From 051d673759dcbb76a51ef820a42c39420a9d811d Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 15:12:25 +0000 Subject: [PATCH 01/11] feat: Add user guidance popups for login, status, and instructor panels --- CLAUDE.md | 2 + .../checklists/requirements.md | 38 ++++ .../contracts/events.md | 104 ++++++++++ specs/008-user-guidance-popups/data-model.md | 89 ++++++++ specs/008-user-guidance-popups/plan.md | 143 +++++++++++++ specs/008-user-guidance-popups/quickstart.md | 191 ++++++++++++++++++ specs/008-user-guidance-popups/research.md | 149 ++++++++++++++ specs/008-user-guidance-popups/spec.md | 112 ++++++++++ 8 files changed, 828 insertions(+) create mode 100644 specs/008-user-guidance-popups/checklists/requirements.md create mode 100644 specs/008-user-guidance-popups/contracts/events.md create mode 100644 specs/008-user-guidance-popups/data-model.md create mode 100644 specs/008-user-guidance-popups/plan.md create mode 100644 specs/008-user-guidance-popups/quickstart.md create mode 100644 specs/008-user-guidance-popups/research.md create mode 100644 specs/008-user-guidance-popups/spec.md diff --git a/CLAUDE.md b/CLAUDE.md index f59382d..807ee06 100644 --- a/CLAUDE.md +++ b/CLAUDE.md @@ -568,6 +568,8 @@ function getStorageKey(release: ReleaseId, serviceId: ServiceId): string { - N/A (development tooling - outputs to coverage/ directory and markdown reports) (006-test-coverage-gaps) - TypeScript 5.x / ES2020+ + Lit 3.x (existing), Vitest 2.x (existing) (007-lit-component-refactor) - N/A (no data model changes—internal refactor only) (007-lit-component-refactor) +- TypeScript 5.x / ES2020+ with Lit 3.x + Lit 3.0 (Web Components), existing qd-modal base componen (008-user-guidance-popups) +- N/A (no data persistence - content from DITA config only) (008-user-guidance-popups) ## Recent Changes - 001-security-refactor: Added TypeScript 5.x / JavaScript ES2020+ + Lit 3.0 (Web Components), Vite 5.x (build), Vitest (testing) diff --git a/specs/008-user-guidance-popups/checklists/requirements.md b/specs/008-user-guidance-popups/checklists/requirements.md new file mode 100644 index 0000000..7588083 --- /dev/null +++ b/specs/008-user-guidance-popups/checklists/requirements.md @@ -0,0 +1,38 @@ +# Specification Quality Checklist: User Guidance Popups + +**Purpose**: Validate specification completeness and quality before proceeding to planning +**Created**: 2025-11-27 +**Feature**: [spec.md](../spec.md) + +## Content Quality + +- [x] No implementation details (languages, frameworks, APIs) +- [x] Focused on user value and business needs +- [x] Written for non-technical stakeholders +- [x] All mandatory sections completed + +## Requirement Completeness + +- [x] No [NEEDS CLARIFICATION] markers remain +- [x] Requirements are testable and unambiguous +- [x] Success criteria are measurable +- [x] Success criteria are technology-agnostic (no implementation details) +- [x] All acceptance scenarios are defined +- [x] Edge cases are identified +- [x] Scope is clearly bounded +- [x] Dependencies and assumptions identified + +## Feature Readiness + +- [x] All functional requirements have clear acceptance criteria +- [x] User scenarios cover primary flows +- [x] Feature meets measurable outcomes defined in Success Criteria +- [x] No implementation details leak into specification + +## Notes + +- All items pass validation +- Spec is ready for `/speckit.clarify` or `/speckit.plan` +- FR-015 and FR-016 address the GitHub issue requirement for DITA parameter configuration +- Three user stories cover all three panels (login, student status, instructor status) +- Assumptions section documents reasonable defaults for unspecified details diff --git a/specs/008-user-guidance-popups/contracts/events.md b/specs/008-user-guidance-popups/contracts/events.md new file mode 100644 index 0000000..7c0a1f9 --- /dev/null +++ b/specs/008-user-guidance-popups/contracts/events.md @@ -0,0 +1,104 @@ +# Event Contracts: User Guidance Popups + +**Feature**: 008-user-guidance-popups +**Date**: 2025-11-27 + +## Custom Events + +All events use the `qd:` namespace and are emitted with `{ bubbles: true, composed: true }` for Shadow DOM traversal. + +### qd:help-open + +**Emitted by**: `` +**When**: User clicks help icon or activates via keyboard (Enter/Space) + +```typescript +interface HelpOpenEvent extends CustomEvent { + type: 'qd:help-open'; + detail: { + panelType: 'login' | 'status' | 'instructor'; + }; +} +``` + +**Usage**: +```typescript +helpTrigger.addEventListener('qd:help-open', (e: HelpOpenEvent) => { + this.showHelpPopup(e.detail.panelType); +}); +``` + +### qd:modal-close (Existing) + +**Emitted by**: `` (base component) +**When**: Modal closes via Escape, backdrop click, or close button + +```typescript +interface ModalCloseEvent extends CustomEvent { + type: 'qd:modal-close'; + detail: void; +} +``` + +**Usage**: Help popup listens for this to sync internal state. + +## Component Interfaces + +### qd-help-trigger + +**Element**: `` + +**Properties**: + +| Property | Type | Default | Description | +|----------|------|---------|-------------| +| panelType | `string` | `'login'` | Which panel this trigger belongs to | +| disabled | `boolean` | `false` | Whether trigger is disabled | + +**Events Emitted**: +- `qd:help-open` - When activated + +**Accessibility**: +- `role="button"` +- `tabindex="0"` +- `aria-label="Help"` +- Activates on Enter/Space + +### qd-help-popup + +**Element**: `` + +**Properties**: + +| Property | Type | Default | Description | +|----------|------|---------|-------------| +| open | `boolean` | `false` | Whether popup is visible | +| title | `string` | `'Help'` | Popup header text | +| content | `string` | `''` | HTML content to display | + +**Events Emitted**: +- `qd:modal-close` - When popup closes (bubbles from inner qd-modal) + +**Slots**: +- Default slot for content (alternative to content property) + +## Configuration Reader API + +### New Exports from dom-config-reader.ts + +```typescript +// Config element IDs +export const HELP_LOGIN_ID = 'qd-help-login'; +export const HELP_STATUS_ID = 'qd-help-status'; +export const HELP_INSTRUCTOR_ID = 'qd-help-instructor'; + +// Read help content with fallback +export function readHelpContent( + panelType: 'login' | 'status' | 'instructor' +): string; +``` + +**Behavior**: +- Returns innerHTML of config span if found +- Returns default content if span missing or empty +- Never throws - always returns valid content diff --git a/specs/008-user-guidance-popups/data-model.md b/specs/008-user-guidance-popups/data-model.md new file mode 100644 index 0000000..0ef786e --- /dev/null +++ b/specs/008-user-guidance-popups/data-model.md @@ -0,0 +1,89 @@ +# Data Model: User Guidance Popups + +**Feature**: 008-user-guidance-popups +**Date**: 2025-11-27 + +## Overview + +This feature introduces no new persisted entities. Help content is read-only, sourced from DOM configuration at runtime. + +## Entities + +### HelpContent (Runtime Only) + +**Description**: Contextual help text displayed in popups. Not stored - read from DOM on demand. + +**Source**: Hidden `` elements injected by DITA/Oxygen XSL transform + +**Attributes**: + +| Attribute | Type | Description | +|-----------|------|-------------| +| panelType | `'login' \| 'status' \| 'instructor'` | Which panel this content belongs to | +| htmlContent | `string` | Raw HTML content from config span | + +**Lifecycle**: +1. Page loads with hidden config spans +2. Component mounts, reads content from DOM +3. Content displayed when help popup opens +4. No persistence - ephemeral display only + +### HelpPopupState (Component State) + +**Description**: Internal state for help popup components. Not persisted. + +**Attributes**: + +| Attribute | Type | Description | +|-----------|------|-------------| +| open | `boolean` | Whether popup is currently visible | +| content | `string` | HTML content to display | +| title | `string` | Popup header title | + +## Configuration Schema + +### DOM Configuration Elements + +Three new hidden span elements (optional, with defaults): + +```html + + + +``` + +### Content Structure Guidelines + +Recommended HTML structure for authors: + +```html + +``` + +## State Transitions + +### Help Popup Lifecycle + +``` +closed → open → closed + ↑ ↓ + └───────┘ +``` + +**Triggers**: +- `closed → open`: User clicks/activates help icon +- `open → closed`: Escape key, backdrop click, or close button + +## No Database Changes + +This feature does not modify: +- IndexedDB schema +- sessionStorage keys +- Any persisted state + +All data is read-only from DOM configuration. diff --git a/specs/008-user-guidance-popups/plan.md b/specs/008-user-guidance-popups/plan.md new file mode 100644 index 0000000..742a403 --- /dev/null +++ b/specs/008-user-guidance-popups/plan.md @@ -0,0 +1,143 @@ +# Implementation Plan: User Guidance Popups + +**Branch**: `008-user-guidance-popups` | **Date**: 2025-11-27 | **Spec**: [spec.md](./spec.md) +**Input**: Feature specification from `/specs/008-user-guidance-popups/spec.md` + +## Summary + +Add contextual help popups to the login panel, student status panel, and instructor status panel. Each panel gets a help icon (?) that opens a modal with panel-specific guidance content. Content is configurable via DITA parameters injected as hidden `` elements, following the existing configuration pattern. + +## Technical Context + +**Language/Version**: TypeScript 5.x / ES2020+ with Lit 3.x +**Primary Dependencies**: Lit 3.0 (Web Components), existing qd-modal base component +**Storage**: N/A (no data persistence - content from DITA config only) +**Testing**: Vitest (unit), Playwright (E2E), Storybook (visual) +**Target Platform**: Chrome/Edge ≥96, Firefox ≥102, works from file:// URLs +**Project Type**: Single project (web components library) +**Performance Goals**: <200ms popup open/close, no measurable impact on bundle size +**Constraints**: ≤35KB bundle limit (current ~30KB), offline-capable, no external dependencies +**Scale/Scope**: 3 help icons, 3 popup content variations, ~200 lines new code + +## Constitution Check + +*GATE: Must pass before Phase 0 research. Re-check after Phase 1 design.* + +- [x] **Offline-First**: Feature works completely offline - all content from local DOM, no network +- [x] **Progressive Enhancement**: Help icons added to existing panels without breaking functionality +- [x] **Test-Driven Development**: Unit tests for help trigger, E2E tests for popup interactions +- [x] **Phase-Gated Delivery**: P1 (login help) → P2 (status panels) → Integration complete +- [x] **Performance Constraints**: Modal reuses existing qd-modal patterns, minimal bundle impact +- [x] **Data Isolation**: No user data involved - static help content only +- [x] **Zero Configuration**: Content via DITA parameters, no script attributes needed + +## Project Structure + +### Documentation (this feature) + +```text +specs/008-user-guidance-popups/ +├── plan.md # This file +├── research.md # Phase 0 output +├── data-model.md # Phase 1 output (minimal - no entities) +├── quickstart.md # Phase 1 output +├── contracts/ # Phase 1 output +│ └── events.md # Custom events for help triggers +└── tasks.md # Phase 2 output (/speckit.tasks) +``` + +### Source Code (repository root) + +```text +src/ +├── components/ +│ ├── qd-help-trigger.ts # NEW: Help icon button (? icon) +│ ├── qd-help-popup.ts # NEW: Help popup (extends qd-modal pattern) +│ ├── qd-login.ts # MODIFY: Add help trigger +│ ├── qd-status.ts # MODIFY: Add help trigger +│ └── qd-instructor/ +│ └── qd-instructor.ts # MODIFY: Add help trigger +├── config/ +│ └── dom-config-reader.ts # MODIFY: Add help content config IDs +└── types/ + └── contracts.ts # VERIFY: No changes needed (no new entities) + +tests/ +├── unit/ +│ └── components/ +│ ├── qd-help-trigger.test.ts # NEW +│ └── qd-help-popup.test.ts # NEW +└── e2e/ + └── help-popups.spec.ts # NEW + +stories/ +└── components/ + ├── qd-help-trigger.stories.ts # NEW + └── qd-help-popup.stories.ts # NEW + +dita/ +└── templates/ + └── ... (XSL changes for DITA parameter injection) +``` + +**Structure Decision**: Single project structure (web components). New components follow existing pattern: qd-help-trigger (simple button) + qd-help-popup (modal container). Integration into existing panels via slot/composition. + +## Complexity Tracking + +*No constitution violations. Design aligns with all principles.* + +| Aspect | Decision | Rationale | +|--------|----------|-----------| +| Component reuse | Extend qd-modal pattern | Proven portal + accessibility pattern | +| Configuration | Hidden spans | Existing DITA config pattern (dom-config-reader.ts) | +| Content source | DOM injection | Zero-config deployment principle | + +## Design Decisions + +### Component Architecture + +**Option A: Single qd-help-popup component** ✓ SELECTED +- One component handles all three contexts +- Content passed via property or slot +- Simpler, less bundle impact + +**Option B: Three separate components** (Rejected) +- `qd-login-help`, `qd-status-help`, `qd-instructor-help` +- More code duplication, larger bundle + +### Help Icon Placement + +- **Login Panel**: Top-right corner of panel header, next to title +- **Student Status**: Inline with status text, after score display +- **Instructor Panel**: Top-right of panel, near existing buttons + +### Content Configuration (DITA Parameters) + +New hidden span elements for content injection: + +```html + + + + + + + + +``` + +### Accessibility Requirements + +- Help icon: `role="button"`, `aria-label="Help"`, keyboard focusable +- Popup: Inherits qd-modal accessibility (dialog role, focus trap, Escape close) +- Content: Semantic HTML (headings, paragraphs) diff --git a/specs/008-user-guidance-popups/quickstart.md b/specs/008-user-guidance-popups/quickstart.md new file mode 100644 index 0000000..0ce71dc --- /dev/null +++ b/specs/008-user-guidance-popups/quickstart.md @@ -0,0 +1,191 @@ +# Quickstart: User Guidance Popups + +**Feature**: 008-user-guidance-popups +**Date**: 2025-11-27 + +## Overview + +Add contextual help popups to the login, student status, and instructor panels. Users click a "?" icon to see panel-specific guidance. + +## Implementation Summary + +### New Components + +1. **qd-help-trigger** - Help icon button (? symbol) +2. **qd-help-popup** - Modal popup displaying help content + +### Modified Files + +1. **src/config/dom-config-reader.ts** - Add help content reader +2. **src/components/qd-login.ts** - Add help trigger/popup +3. **src/components/qd-status.ts** - Add help trigger/popup +4. **src/components/qd-instructor/qd-instructor.ts** - Add help trigger/popup + +## Step-by-Step Implementation + +### Step 1: Create qd-help-trigger Component + +```typescript +// src/components/qd-help-trigger.ts +import { LitElement, html, css } from 'lit'; +import { customElement, property } from 'lit/decorators.js'; + +@customElement('qd-help-trigger') +export class QdHelpTrigger extends LitElement { + static styles = css` + :host { display: inline-block; } + .help-icon { + display: inline-flex; + align-items: center; + justify-content: center; + width: 20px; + height: 20px; + border-radius: 50%; + background: #0066cc; + color: white; + font-size: 12px; + font-weight: bold; + cursor: pointer; + border: none; + } + .help-icon:hover { background: #0052a3; } + .help-icon:focus { outline: 2px solid #0066cc; outline-offset: 2px; } + `; + + @property() panelType: 'login' | 'status' | 'instructor' = 'login'; + + private handleClick() { + this.dispatchEvent(new CustomEvent('qd:help-open', { + detail: { panelType: this.panelType }, + bubbles: true, + composed: true + })); + } + + render() { + return html` + + `; + } +} +``` + +### Step 2: Create qd-help-popup Component + +```typescript +// src/components/qd-help-popup.ts +import { LitElement, html, css } from 'lit'; +import { customElement, property } from 'lit/decorators.js'; +import { unsafeHTML } from 'lit/directives/unsafe-html.js'; +import './qd-modal.js'; + +@customElement('qd-help-popup') +export class QdHelpPopup extends LitElement { + static styles = css` + .help-content { max-width: 400px; } + .help-content h3 { margin-top: 0; color: #333; } + .help-content p { line-height: 1.6; color: #555; } + `; + + @property({ type: Boolean }) open = false; + @property() title = 'Help'; + @property() content = ''; + + render() { + return html` + +
${this.title}
+
${unsafeHTML(this.content)}
+ + `; + } + + private handleClose() { + this.open = false; + this.dispatchEvent(new CustomEvent('qd:modal-close', { bubbles: true, composed: true })); + } +} +``` + +### Step 3: Add Configuration Reader + +```typescript +// Add to src/config/dom-config-reader.ts +export const HELP_LOGIN_ID = 'qd-help-login'; +export const HELP_STATUS_ID = 'qd-help-status'; +export const HELP_INSTRUCTOR_ID = 'qd-help-instructor'; + +const HELP_DEFAULTS = { + login: '

Welcome to BrowserTest

Enter your Service ID and name to log in as a student and track your quiz progress.

Instructors: Click the "Instructor" button to access admin features.

', + status: '

Understanding Your Score

Your score reflects your progress on quiz pages you have visited.

Green = All questions correct
Amber = Some questions answered
Red = No questions answered

', + instructor: '

Instructor Tools

View Scores: See all student results.

Export CSV: Download detailed answer data.

Erase Data: Clear database for new student cohort.

' +}; + +export function readHelpContent(panelType: 'login' | 'status' | 'instructor'): string { + const ids = { login: HELP_LOGIN_ID, status: HELP_STATUS_ID, instructor: HELP_INSTRUCTOR_ID }; + const element = document.getElementById(ids[panelType]); + return element?.innerHTML?.trim() || HELP_DEFAULTS[panelType]; +} +``` + +### Step 4: Integrate into Panels + +**qd-login.ts** - Add to header area: +```typescript +import './qd-help-trigger.js'; +import './qd-help-popup.js'; +import { readHelpContent } from '../config/dom-config-reader.js'; + +// In render(): + + this.helpOpen = false}> + +``` + +Similar pattern for qd-status.ts and qd-instructor.ts. + +## Testing + +### Unit Tests + +```bash +npm run test:unit -- --grep "qd-help" +``` + +### E2E Tests + +```bash +npm run test:e2e -- tests/e2e/help-popups.spec.ts +``` + +## Configuration + +### DITA/Oxygen Setup + +Add hidden spans to your DITA template: + +```html + + + +``` + +## Bundle Impact + +Estimated addition: ~150 lines TypeScript → <1KB minified+gzipped + +Well within 35KB budget. diff --git a/specs/008-user-guidance-popups/research.md b/specs/008-user-guidance-popups/research.md new file mode 100644 index 0000000..0ee7a61 --- /dev/null +++ b/specs/008-user-guidance-popups/research.md @@ -0,0 +1,149 @@ +# Research: User Guidance Popups + +**Feature**: 008-user-guidance-popups +**Date**: 2025-11-27 + +## Research Summary + +All technical decisions resolved. Feature uses existing patterns from the codebase. + +## Decisions + +### 1. Modal Implementation Pattern + +**Decision**: Use existing `qd-modal` portal pattern via composition + +**Rationale**: +- qd-modal.ts provides proven portal rendering to document.body +- Handles z-index stacking, backdrop, focus trap, Escape/click dismiss +- CSS styles already injected once (efficient) +- Accessibility (ARIA dialog role, focus management) built-in + +**Alternatives Considered**: +- Tooltip pattern (like qd-build-info.ts): Rejected - hover-based, not modal, no focus trap +- New modal from scratch: Rejected - duplicates existing code, increases bundle size +- CSS-only popover: Rejected - limited browser support, poor accessibility + +### 2. Help Icon Component Strategy + +**Decision**: Create simple `` component that emits events + +**Rationale**: +- Follows qd-build-info.ts pattern for consistent icon styling +- Decouples trigger from content (content handled by parent) +- Enables flexible placement in different panels +- Minimal bundle impact (~50 lines) + +**Alternatives Considered**: +- Inline icon in each panel: Rejected - code duplication, inconsistent styling +- Slot-based in qd-modal: Rejected - overcomplicates modal API + +### 3. Content Configuration Method + +**Decision**: Hidden `` elements with IDs, read by dom-config-reader.ts + +**Rationale**: +- Follows existing pattern for qd-status-container, qd-title-selector, etc. +- Zero JavaScript configuration required (Constitution VII) +- Content fully customizable by DITA/Oxygen XSL transform +- Supports HTML content (headings, paragraphs, links) + +**Alternatives Considered**: +- data-* attributes on script tag: Rejected - text-only, limited formatting +- External JSON file: Rejected - requires network fetch, violates offline-first +- Hardcoded defaults with optional override: Rejected - forces code changes for content updates + +### 4. Content Structure + +**Decision**: innerHTML from config span, supports arbitrary HTML + +**Rationale**: +- Authors need formatting (headings, paragraphs, lists) +- Contact details may include mailto: links +- Semantic HTML improves accessibility +- XSS risk mitigated: content is server-injected by trusted DITA transform + +**Alternatives Considered**: +- Markdown with runtime parser: Rejected - adds dependencies, bundle size +- Structured JSON object: Rejected - limits formatting flexibility +- Plain text only: Rejected - insufficient for user guidance + +### 5. Help Content IDs + +**Decision**: Three config element IDs: +- `qd-help-login` - Login panel content +- `qd-help-status` - Student status panel content +- `qd-help-instructor` - Instructor panel content + +**Rationale**: +- Clear naming convention matching existing qd-* pattern +- One-to-one mapping with panels +- Optional - graceful fallback if not provided + +### 6. Default Content Fallback + +**Decision**: Provide hardcoded default content if config span not found + +**Rationale**: +- System should work without DITA configuration (development, demos) +- Better UX than empty popup or error +- Defaults can guide authors on expected content structure + +**Defaults**: +``` +Login: "Welcome to BrowserTest. Enter your Service ID and name to track quiz progress. Instructors: Click 'Instructor' for admin features." + +Status: "Your score shows progress on visited quiz pages. Green = complete (all correct), Amber = incomplete, Red = unanswered." + +Instructor: "View Scores: See all student results. Export CSV: Download detailed data. Erase Data: Clear for new cohort." +``` + +## Integration Points + +### Files to Modify + +1. **src/config/dom-config-reader.ts** + - Add three new config ID constants + - Add `readHelpContent(panelType)` function + +2. **src/components/qd-login.ts** + - Import and render qd-help-trigger + - Add help popup with login content + +3. **src/components/qd-status.ts** + - Import and render qd-help-trigger + - Add help popup with status content + +4. **src/components/qd-instructor/qd-instructor.ts** + - Import and render qd-help-trigger + - Add help popup with instructor content + +### New Files + +1. **src/components/qd-help-trigger.ts** (~50 lines) + - ? icon button with accessible attributes + - Emits `qd:help-open` event on click + +2. **src/components/qd-help-popup.ts** (~100 lines) + - Wrapper around qd-modal + - Title + content slots + - Standard close behavior + +3. **tests/unit/components/qd-help-trigger.test.ts** +4. **tests/unit/components/qd-help-popup.test.ts** +5. **tests/e2e/help-popups.spec.ts** +6. **stories/components/qd-help-trigger.stories.ts** +7. **stories/components/qd-help-popup.stories.ts** + +## Risks and Mitigations + +| Risk | Likelihood | Impact | Mitigation | +|------|------------|--------|------------| +| Bundle size increase | Low | Medium | Reuse qd-modal, estimate <1KB addition | +| Missing config content | Medium | Low | Provide sensible defaults | +| Accessibility gaps | Low | High | Follow qd-modal patterns, add unit tests | +| XSL integration issues | Medium | Low | Document config spans clearly, provide examples | + +## Open Questions + +None - all decisions resolved. diff --git a/specs/008-user-guidance-popups/spec.md b/specs/008-user-guidance-popups/spec.md new file mode 100644 index 0000000..e04c5e0 --- /dev/null +++ b/specs/008-user-guidance-popups/spec.md @@ -0,0 +1,112 @@ +# Feature Specification: User Guidance Popups + +**Feature Branch**: `008-user-guidance-popups` +**Created**: 2025-11-27 +**Status**: Draft +**Input**: GitHub Issue #55 - Add user guidance popup to Login, Status Panel and Instructor Panel components + +## User Scenarios & Testing *(mandatory)* + +### User Story 1 - New Student Orientation (Priority: P1) + +A first-time student opens the quiz application and sees a help icon on the login panel. Clicking it reveals a popup explaining what the application does, how to log in as a student, and the basic workflow they can expect. + +**Why this priority**: First-time users need immediate context to understand the application purpose and how to begin. Without this, users may abandon the application or make incorrect login choices. + +**Independent Test**: Can be fully tested by loading the login panel, clicking the help icon, and verifying the popup displays orientation content. Delivers immediate value for new user onboarding. + +**Acceptance Scenarios**: + +1. **Given** a user views the login panel, **When** they click the help icon, **Then** a popup appears with application introduction and student login guidance +2. **Given** the guidance popup is open, **When** the user clicks outside the popup or presses Escape, **Then** the popup closes +3. **Given** the guidance popup is open, **When** the user reads the content, **Then** they see author contact details for support + +--- + +### User Story 2 - Student Score Understanding (Priority: P2) + +A logged-in student views their status panel and wants to understand what the score numbers mean and how the colored quiz buttons relate to their progress. They click a help icon to see explanations. + +**Why this priority**: Students need to understand the scoring system to effectively track their progress. This directly impacts learning outcomes and user satisfaction. + +**Independent Test**: Can be tested by logging in as a student, viewing the status panel, clicking the help icon, and verifying scoring mechanics are explained. + +**Acceptance Scenarios**: + +1. **Given** a student is logged in and viewing the status panel, **When** they click the help icon, **Then** a popup explains that scores reflect only pages visited +2. **Given** the status panel guidance popup is open, **When** the student reads the content, **Then** they understand the green/amber/red button shading meanings +3. **Given** the status panel guidance popup is open, **When** the student reads the content, **Then** they understand how scores are calculated and tracked + +--- + +### User Story 3 - Instructor Feature Discovery (Priority: P2) + +An instructor logs in and sees the instructor panel with various buttons. They click a help icon to learn what each feature does: viewing aggregate scores, reviewing current-page answers, exporting data, and clearing the database for new cohorts. + +**Why this priority**: Instructors have more complex features that aren't immediately obvious. Understanding these capabilities enables effective class management. + +**Independent Test**: Can be tested by logging in as instructor, viewing the instructor panel, clicking the help icon, and verifying all features are documented. + +**Acceptance Scenarios**: + +1. **Given** an instructor is logged in and viewing the instructor panel, **When** they click the help icon, **Then** a popup explains how to view aggregate student scores +2. **Given** the instructor guidance popup is open, **When** the instructor reads the content, **Then** they understand how to navigate and review answers on the current page +3. **Given** the instructor guidance popup is open, **When** the instructor reads the content, **Then** they understand how to export data to CSV +4. **Given** the instructor guidance popup is open, **When** the instructor reads the content, **Then** they understand how and when to clear the database for new student cohorts + +--- + +### Edge Cases + +- What happens when popup content exceeds visible viewport? (Should scroll within popup) +- How does the popup behave on very small screens? (Should remain readable and dismissible) +- What happens if user rapidly opens/closes popup? (Should handle gracefully without visual glitches) +- What happens when user has keyboard focus? (Help icon should be keyboard accessible) + +## Requirements *(mandatory)* + +### Functional Requirements + +- **FR-001**: System MUST display a help icon on the login panel that triggers a guidance popup when activated +- **FR-002**: System MUST display a help icon on the student status panel that triggers a guidance popup when activated +- **FR-003**: System MUST display a help icon on the instructor status panel that triggers a guidance popup when activated +- **FR-004**: All guidance popups MUST include author contact details for support inquiries +- **FR-005**: Guidance popups MUST be dismissible by clicking outside, pressing Escape, or clicking a close button +- **FR-006**: Login panel guidance MUST explain the application purpose and distinguish between student and instructor login paths +- **FR-007**: Student status panel guidance MUST explain that scores reflect only visited pages +- **FR-008**: Student status panel guidance MUST explain the meaning of quiz button color shading (red/amber/green) +- **FR-009**: Student status panel guidance MUST explain how score tracking works +- **FR-010**: Instructor panel guidance MUST explain how to view aggregate student scores and responses +- **FR-011**: Instructor panel guidance MUST explain how to review answers on the current page +- **FR-012**: Instructor panel guidance MUST explain how to export data to CSV format +- **FR-013**: Instructor panel guidance MUST explain how to clear the database for new student cohorts +- **FR-014**: Help icons MUST be keyboard accessible (focusable and activatable via Enter/Space) +- **FR-015**: Guidance popup content MUST be configurable via DITA parameters and processed through XSL stylesheet +- **FR-016**: System MUST support custom help content injection without code changes + +### Key Entities + +- **GuidancePopup**: A modal overlay containing contextual help text, dismissible via multiple methods, positioned relative to triggering help icon +- **HelpContent**: Structured text content including title, body paragraphs, and optional contact details; sourced from DITA configuration +- **HelpTrigger**: An accessible button/icon that opens the associated guidance popup + +## Success Criteria *(mandatory)* + +### Measurable Outcomes + +- **SC-001**: First-time users can understand the application purpose and login process within 30 seconds of viewing the login panel guidance +- **SC-002**: 95% of students can correctly explain what their score represents after reading status panel guidance +- **SC-003**: Instructors can locate and understand all four instructor panel features (scores, answers, export, clear) within 60 seconds of reading guidance +- **SC-004**: All guidance popups open and close within 200ms of user action +- **SC-005**: Help icons are discoverable - users can locate and activate them without external instruction +- **SC-006**: Guidance content can be updated by authors without developer intervention (via DITA parameters) +- **SC-007**: All help interactions are accessible via keyboard navigation only + +## Assumptions + +- Help icons will use a universally recognized icon (e.g., question mark or "i" info symbol) +- Popup styling will match existing application theme (Shadow DOM isolation) +- Help content will be brief and scannable (not lengthy documentation) +- Contact details format will be a simple text field (email or support link) +- DITA parameter names and XSL processing follow existing project patterns +- Popups will not persist state between sessions (no "don't show again" option required) From b4bc2019a7a4d7857199e44c8fd97fb4c6bd88a1 Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 15:29:20 +0000 Subject: [PATCH 02/11] feat: Add tasks for user guidance popups implementation and testing --- specs/008-user-guidance-popups/tasks.md | 243 ++++++++++++++++++++++++ 1 file changed, 243 insertions(+) create mode 100644 specs/008-user-guidance-popups/tasks.md diff --git a/specs/008-user-guidance-popups/tasks.md b/specs/008-user-guidance-popups/tasks.md new file mode 100644 index 0000000..2ac5301 --- /dev/null +++ b/specs/008-user-guidance-popups/tasks.md @@ -0,0 +1,243 @@ +# Tasks: User Guidance Popups + +**Input**: Design documents from `/specs/008-user-guidance-popups/` +**Prerequisites**: plan.md (required), spec.md (required for user stories), research.md, data-model.md, contracts/ + +**Tests**: TDD is MANDATORY per Constitution III. Unit tests for new components, E2E tests for user journeys. + +**Organization**: Tasks are grouped by user story to enable independent implementation and testing of each story. + +## Format: `[ID] [P?] [Story] Description` + +- **[P]**: Can run in parallel (different files, no dependencies) +- **[Story]**: Which user story this task belongs to (e.g., US1, US2, US3) +- Include exact file paths in descriptions + +## Path Conventions + +- **Project type**: Single project (web components library) +- **Components**: `src/components/` +- **Config**: `src/config/` +- **Tests**: `tests/unit/components/`, `tests/e2e/` +- **Stories**: `stories/components/` + +--- + +## Phase 1: Setup (Shared Infrastructure) + +**Purpose**: Create shared components that all user stories depend on + +- [ ] T001 [P] Add help content config IDs and readHelpContent() function to src/config/dom-config-reader.ts +- [ ] T002 [P] Create qd-help-trigger component in src/components/qd-help-trigger.ts +- [ ] T003 [P] Create qd-help-popup component in src/components/qd-help-popup.ts + +--- + +## Phase 2: Foundational (Tests & Stories for New Components) + +**Purpose**: TDD - Write tests and Storybook stories for new components before integration + +**⚠️ CRITICAL**: Tests must FAIL before implementing integration tasks + +- [ ] T004 [P] Write unit tests for qd-help-trigger in tests/unit/components/qd-help-trigger.test.ts +- [ ] T005 [P] Write unit tests for qd-help-popup in tests/unit/components/qd-help-popup.test.ts +- [ ] T006 [P] Create Storybook stories for qd-help-trigger in stories/components/qd-help-trigger.stories.ts +- [ ] T007 [P] Create Storybook stories for qd-help-popup in stories/components/qd-help-popup.stories.ts + +**Checkpoint**: All new components tested and documented in Storybook + +--- + +## Phase 3: User Story 1 - New Student Orientation (Priority: P1) 🎯 MVP + +**Goal**: First-time students can click a help icon on the login panel to see guidance about the application and how to log in. + +**Independent Test**: Load login panel, click help icon, verify popup shows welcome content with contact details, dismiss via Escape/backdrop. + +### Tests for User Story 1 + +> **NOTE: Write these tests FIRST, ensure they FAIL before implementation** + +- [ ] T008 [US1] Write E2E test for login panel help popup in tests/e2e/help-popups.spec.ts (login section only) + +### Implementation for User Story 1 + +- [ ] T009 [US1] Add helpOpen state property to qd-login component in src/components/qd-login.ts +- [ ] T010 [US1] Add qd-help-trigger and qd-help-popup to qd-login render template in src/components/qd-login.ts +- [ ] T011 [US1] Wire up help trigger click handler to toggle popup in src/components/qd-login.ts +- [ ] T012 [US1] Verify E2E test passes for login help popup + +**Checkpoint**: User Story 1 complete - login panel has working help popup + +--- + +## Phase 4: User Story 2 - Student Score Understanding (Priority: P2) + +**Goal**: Logged-in students can click a help icon on the status panel to understand scoring mechanics and R/A/G color meanings. + +**Independent Test**: Log in as student, view status panel, click help icon, verify popup explains scoring and colors. + +### Tests for User Story 2 + +- [ ] T013 [US2] Add E2E test for student status panel help popup to tests/e2e/help-popups.spec.ts (status section) + +### Implementation for User Story 2 + +- [ ] T014 [US2] Add helpOpen state property to qd-status component in src/components/qd-status.ts +- [ ] T015 [US2] Add qd-help-trigger and qd-help-popup to qd-status render template in src/components/qd-status.ts +- [ ] T016 [US2] Wire up help trigger click handler to toggle popup in src/components/qd-status.ts +- [ ] T017 [US2] Verify E2E test passes for status help popup + +**Checkpoint**: User Story 2 complete - student status panel has working help popup + +--- + +## Phase 5: User Story 3 - Instructor Feature Discovery (Priority: P2) + +**Goal**: Instructors can click a help icon on the instructor panel to learn about all admin features (scores, export, erase). + +**Independent Test**: Log in as instructor, view instructor panel, click help icon, verify popup explains all four features. + +### Tests for User Story 3 + +- [ ] T018 [US3] Add E2E test for instructor panel help popup to tests/e2e/help-popups.spec.ts (instructor section) + +### Implementation for User Story 3 + +- [ ] T019 [US3] Add helpOpen state property to qd-instructor component in src/components/qd-instructor/qd-instructor.ts +- [ ] T020 [US3] Add qd-help-trigger and qd-help-popup to qd-instructor render template in src/components/qd-instructor/qd-instructor.ts +- [ ] T021 [US3] Wire up help trigger click handler to toggle popup in src/components/qd-instructor/qd-instructor.ts +- [ ] T022 [US3] Verify E2E test passes for instructor help popup + +**Checkpoint**: User Story 3 complete - instructor panel has working help popup + +--- + +## Phase 6: Polish & Cross-Cutting Concerns + +**Purpose**: Final validation and documentation + +- [ ] T023 Run full E2E test suite: npm run test:e2e -- tests/e2e/help-popups.spec.ts +- [ ] T024 Run unit tests: npm run test:unit -- --grep "qd-help" +- [ ] T025 Run typecheck: npm run typecheck +- [ ] T026 Run linter: npm run lint +- [ ] T027 Run bundle size check: npm run size-check +- [ ] T028 Verify Storybook renders all help components: npm run storybook +- [ ] T029 Update demo HTML files with help config spans in demo/*.html (if needed) + +--- + +## Dependencies & Execution Order + +### Phase Dependencies + +- **Setup (Phase 1)**: No dependencies - can start immediately +- **Foundational (Phase 2)**: Depends on Phase 1 completion +- **User Stories (Phase 3-5)**: All depend on Phase 2 completion + - User stories can proceed sequentially in priority order (P1 → P2 → P2) + - US2 and US3 can run in parallel after US1 (same priority P2) +- **Polish (Phase 6)**: Depends on all user stories being complete + +### User Story Dependencies + +- **User Story 1 (P1)**: Can start after Phase 2 - No dependencies on other stories +- **User Story 2 (P2)**: Can start after Phase 2 - Independent of US1 +- **User Story 3 (P2)**: Can start after Phase 2 - Independent of US1 and US2 + +### Within Each User Story + +- E2E test MUST be written and FAIL before implementation +- Add state property first +- Add UI elements second +- Wire up event handlers third +- Verify tests pass last + +### Parallel Opportunities + +**Phase 1 - All parallel:** +- T001, T002, T003 touch different files + +**Phase 2 - All parallel:** +- T004, T005, T006, T007 touch different files + +**Phase 3+ - Sequential within story:** +- User stories touch same files so sequential within each +- US2 and US3 can run in parallel (different components) + +--- + +## Parallel Example: Phase 1 Setup + +```bash +# Launch all three setup tasks in parallel: +Task: "Add help content config IDs and readHelpContent() function to src/config/dom-config-reader.ts" +Task: "Create qd-help-trigger component in src/components/qd-help-trigger.ts" +Task: "Create qd-help-popup component in src/components/qd-help-popup.ts" +``` + +## Parallel Example: Phase 2 Foundational + +```bash +# Launch all four test/story tasks in parallel: +Task: "Write unit tests for qd-help-trigger in tests/unit/components/qd-help-trigger.test.ts" +Task: "Write unit tests for qd-help-popup in tests/unit/components/qd-help-popup.test.ts" +Task: "Create Storybook stories for qd-help-trigger in stories/components/qd-help-trigger.stories.ts" +Task: "Create Storybook stories for qd-help-popup in stories/components/qd-help-popup.stories.ts" +``` + +## Parallel Example: US2 + US3 (After US1) + +```bash +# Developer A on US2, Developer B on US3 simultaneously: +# US2: +Task: "Add E2E test for student status panel help popup to tests/e2e/help-popups.spec.ts" +Task: "Add helpOpen state property to qd-status component in src/components/qd-status.ts" +... + +# US3 (parallel): +Task: "Add E2E test for instructor panel help popup to tests/e2e/help-popups.spec.ts" +Task: "Add helpOpen state property to qd-instructor component in src/components/qd-instructor/qd-instructor.ts" +... +``` + +--- + +## Implementation Strategy + +### MVP First (User Story 1 Only) + +1. Complete Phase 1: Setup (3 tasks) +2. Complete Phase 2: Foundational tests/stories (4 tasks) +3. Complete Phase 3: User Story 1 (5 tasks) +4. **STOP and VALIDATE**: Test login help popup independently +5. Deploy/demo if ready - students can now see login guidance + +### Incremental Delivery + +1. Complete Setup + Foundational → Core components ready +2. Add User Story 1 → Test independently → Deploy (MVP - login help works!) +3. Add User Story 2 → Test independently → Deploy (status help works!) +4. Add User Story 3 → Test independently → Deploy (instructor help works!) +5. Each story adds value without breaking previous stories + +### Single Developer Strategy + +1. Complete Phase 1: Setup (3 tasks, ~30 min) +2. Complete Phase 2: Tests + Stories (4 tasks, ~45 min) +3. Complete Phase 3: US1 Login Help (5 tasks, ~30 min) +4. Complete Phase 4: US2 Status Help (5 tasks, ~30 min) +5. Complete Phase 5: US3 Instructor Help (5 tasks, ~30 min) +6. Complete Phase 6: Polish (7 tasks, ~20 min) + +**Total: 29 tasks, ~3 hours estimated** + +--- + +## Notes + +- [P] tasks = different files, no dependencies +- [Story] label maps task to specific user story for traceability +- Each user story should be independently completable and testable +- Verify tests fail before implementing (TDD per Constitution III) +- Run Definition of Done checks after each phase (typecheck, lint, tests, build) +- Bundle size must stay under 35KB min+gzip (Constitution V) From 2076e3a891536de27343ab747160abbfda016f22 Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 16:00:06 +0000 Subject: [PATCH 03/11] initial version --- .../template/resources/sonar-quiz.iife.js | 696 +++++++++--------- .../template/resources/sonar-quiz.iife.js.map | 2 +- specs/008-user-guidance-popups/tasks.md | 58 +- src/components/qd-help-popup.ts | 256 +++++++ src/components/qd-help-trigger.ts | 100 +++ src/components/qd-instructor/qd-instructor.ts | 27 +- src/components/qd-login.ts | 40 +- src/components/qd-status.ts | 30 + src/config/dom-config-reader.ts | 38 + src/config/help-content.ts | 59 ++ stories/components/qd-help-popup.stories.ts | 250 +++++++ stories/components/qd-help-trigger.stories.ts | 162 ++++ .../qd-instructor/qd-instructor.stories.ts | 35 + stories/components/qd-status.stories.ts | 55 ++ tests/e2e/help-popups.spec.ts | 190 +++++ tests/unit/components/qd-help-popup.test.ts | 291 ++++++++ tests/unit/components/qd-help-trigger.test.ts | 155 ++++ 17 files changed, 2055 insertions(+), 389 deletions(-) create mode 100644 src/components/qd-help-popup.ts create mode 100644 src/components/qd-help-trigger.ts create mode 100644 src/config/help-content.ts create mode 100644 stories/components/qd-help-popup.stories.ts create mode 100644 stories/components/qd-help-trigger.stories.ts create mode 100644 tests/e2e/help-popups.spec.ts create mode 100644 tests/unit/components/qd-help-popup.test.ts create mode 100644 tests/unit/components/qd-help-trigger.test.ts diff --git a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js index 18f87be..0554a84 100644 --- a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js +++ b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js @@ -1,52 +1,52 @@ -var SonarQuiz=function(t){"use strict";function s(t){if(t.length<2)return"**";if(2===t.length)return t;return t.slice(0,2)+"*".repeat(t.length-2)}function n(t){if(null===t||"object"!=typeof t)return t;const o={};for(const[r,a]of Object.entries(t))"name"!==r&&"passwordHash"!==r&&(o[r]="serviceId"!==r||"string"!=typeof a?"object"!=typeof a||null===a?a:n(a):s(a));return o}function o(t,s){}function r(t,s){if(s instanceof Error){const n={name:s.name,message:s.message};console.error(`[ERROR] ${t}`,n)}else void 0!==s?console.error(`[ERROR] ${t}`,n(s)):console.error(`[ERROR] ${t}`)}function a(t,s){void 0!==s?console.warn(`[WARN] ${t}`,n(s)):console.warn(`[WARN] ${t}`)}function c(t){const s=[],n=[];if(!t.classList.contains("qd-quiz"))return s.push('Table must have class "qd-quiz"'),{element:t,questions:n,errors:s};const o=Array.from(t.querySelectorAll("tbody tr"));return 0===o.length?(s.push("Quiz table has no data rows"),{element:t,questions:n,errors:s}):(o.forEach((t,o)=>{const r=Array.from(t.querySelectorAll("td"));if(3!==r.length)return void s.push(`Row ${o+1} has ${r.length} columns, expected 3 (Question | Answer | Detail)`);const a=r[0],c=r[1],d=r[2];if(!a||!c||!d)return;const l=a.textContent?.trim()||"";if(!l)return void s.push(`Row ${o+1} has empty question text`);const u=c.textContent?.trim()||"";if(!u)return void s.push(`Row ${o+1} has empty answer`);const h=d.querySelector("ol");if(h){const t=(p=h,Array.from(p.querySelectorAll("li")).map(t=>t.textContent?.trim()||"").filter(t=>t.length>0));if(0===t.length)return void s.push(`Row ${o+1} MCQ has no options in
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R${t}C${n} is no longer editable`))}),y(t,"qd-analysis-interactive"),!0}(t,o):function(t){y(t,"qd-analysis-non-interactive");const s=()=>{!async function(t){const s=rt.get(t);if(!s)return void a("Cannot show student entries: table not enhanced");const n=s.pageId||function(){const t=document.body.dataset.pageId;if(t)return t;const s=window.location.pathname,n=(s.split("/").pop()||"").replace(".html","");return n||void 0}();if(!n)return void a("Cannot show student entries: page ID not found");const o=$(u.SESSION);if(!o)return void a("Cannot show student entries: no active session");const c=V();let d;try{d=await c.getStudentsByRelease(o.release)}catch(g){return void r("Failed to load students for instructor view:",g)}const l=function(t,s){const n={};return t.forEach(t=>{const 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Map}initialize(){this.registerLoginHandlers(),this.registerLogoutHandlers(),this.registerAnswerHandlers(),this.registerStateHandlers(),this.registerInstructorHandlers(),this.registerDataHandlers()}registerLoginHandlers(){this.addEventListener("qd:login",t=>{(async()=>{const s=t.detail;if(s.serviceId,s.name,"INSTRUCTOR"===s.serviceId)return;const n=$(u.SESSION);if(!n)return;const o=V();let r,a;try{r=await o.loadStudentRecord(n),await o.saveStudentRecord(r),a=o.buildCache(r),C(u.CACHE,a),a.totals.total}catch{C(u.CACHE,{totals:{total:0,answered:0,correct:0},pages:{}})}this.dispatchEvent("qd:cache-rebuild",{}),this.upgradeTablesAfterLogin()})()})}upgradeTablesAfterLogin(){const t=window.location.pathname,s=t.substring(t.lastIndexOf("/")+1).replace(/\.html?$/i,"");if(!s)return;if("true"===sessionStorage.getItem(u.INSTRUCTOR)){return void document.querySelectorAll("table.qd-quiz").forEach(t=>{const n=G(t);if(!n)return;n.pageId=s;t.querySelectorAll("td:nth-child(2), th:nth-child(2)").forEach(t=>{t.classList.remove("qd-hidden")});t.querySelectorAll("tbody td:nth-child(2)").forEach((t,s)=>{const o=n.parsed.questions[s];o&&t instanceof HTMLTableCellElement&&(t.textContent=o.correctAnswer)});t.querySelectorAll("td:nth-child(3), th:nth-child(3)").forEach(t=>t.classList.remove("qd-hidden"));const o=()=>{Z(t,n)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",()=>{X(t)});"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}const n=document.querySelectorAll("table.qd-quiz");n.length>0&&(n.length,n.forEach(t=>{K(t,{interactive:!0,pageId:s})}));const o=document.querySelectorAll("table.qd-analysis");o.length>0&&(o.length,o.forEach(t=>{it(t,{interactive:!0,pageId:s})}))}registerLogoutHandlers(){this.addEventListener("qd:logout",t=>{t.detail.serviceId;document.querySelectorAll("table.qd-quiz").forEach(t=>{!function(t){const s=Q.get(t);s&&(s.interactive=!1,s.pageId=void 0,s.inputs=void 0,s.cleanupInstructorListeners?.(),s.cleanupInstructorListeners=void 0,J(t),Y(t),S(t,"qd-quiz-interactive"))}(t)});document.querySelectorAll("table.qd-analysis").forEach(t=>{!function(t){const s=rt.get(t);s&&(at(t),s.interactive&&(t.querySelectorAll(".qd-editable").forEach(t=>{t instanceof HTMLTableCellElement&&(t.contentEditable="false",t.classList.remove("qd-editable"),t.textContent="")}),t.classList.remove("qd-analysis-interactive"),s.debouncer?.cancelAll()),s.interactive=!1,s.pageId=void 0,s.debouncer=void 0,s.cellKeyMap=void 0)}(t)}),this.dispatchEvent("qd:cache-clear",{})})}registerAnswerHandlers(){this.addEventListener("qd:answer-saved",t=>{const s=t.detail;s.pageId,s.questionIndex,s.answer,s.success,this.dispatchEvent("qd:cache-update",{pageId:s.pageId})})}registerStateHandlers(){this.addEventListener("qd:state-changed",t=>{const s=t.detail;s.pageId,s.state,this.dispatchEvent("qd:badge-update",{pageId:s.pageId,state:s.state})})}registerInstructorHandlers(){this.addEventListener("qd:instructor-unlock",t=>{t.detail.unlockTime}),this.addEventListener("qd:instructor-lock",()=>{})}registerDataHandlers(){this.addEventListener("qd:data-cleared",t=>{t.detail.timestamp,this.dispatchEvent("qd:cache-clear",{})})}addEventListener(t,s){document.addEventListener(t,s);const n=this.listeners.get(t)||[];n.push(s),this.listeners.set(t,n)}dispatchEvent(t,s){const n=new CustomEvent(t,{detail:s,bubbles:!0,composed:!0});document.dispatchEvent(n)}cleanup(){for(const[t,s]of this.listeners)for(const n of s)document.removeEventListener(t,n);this.listeners.clear()}}class SessionCoordinator{constructor(){this.sessionService=new SessionService}initialize(){const t=this.sessionService.getSession();if(t){if(t.serviceId,this.sessionService.isExpired())return a("Session expired, clearing"),void this.sessionService.clearSession();this.scheduleExpiryCheck(t),this.setupActivityTracking()}}scheduleExpiryCheck(t){void 0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId);const s=(new Date).getTime(),n=new Date(t.expiresAt).getTime()-s;n<=0?this.sessionService.clearSession():this.expiryTimeoutId=window.setTimeout(()=>{this.sessionService.clearSession()},n)}setupActivityTracking(){const t=()=>{if(!this.sessionService.getSession())return;this.sessionService.updateActivity();const t=this.sessionService.getSession();t&&this.scheduleExpiryCheck(t)};let s;const n=()=>{void 0!==s&&window.clearTimeout(s),s=window.setTimeout(()=>{t()},5e3)};["click","keydown","scroll","mousemove"].forEach(t=>{document.addEventListener(t,n,{passive:!0})})}cleanup(){void 0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId)}getSessionService(){return this.sessionService}} +var SonarQuiz=function(t){"use strict";function n(t){if(t.length<2)return"**";if(2===t.length)return t;return t.slice(0,2)+"*".repeat(t.length-2)}function s(t){if(null===t||"object"!=typeof t)return t;const o={};for(const[r,a]of Object.entries(t))"name"!==r&&"passwordHash"!==r&&(o[r]="serviceId"!==r||"string"!=typeof a?"object"!=typeof a||null===a?a:s(a):n(a));return o}function o(t,n){void 0!==n?console.log(`[INFO] ${t}`,s(n)):console.log(`[INFO] ${t}`)}function r(t,n){if(n instanceof Error){const s={name:n.name,message:n.message};console.error(`[ERROR] ${t}`,s)}else void 0!==n?console.error(`[ERROR] ${t}`,s(n)):console.error(`[ERROR] ${t}`)}function a(t,n){void 0!==n?console.warn(`[WARN] ${t}`,s(n)):console.warn(`[WARN] ${t}`)}function d(t){const n=[],s=[];if(!t.classList.contains("qd-quiz"))return n.push('Table must have class "qd-quiz"'),{element:t,questions:s,errors:n};const o=Array.from(t.querySelectorAll("tbody tr"));return 0===o.length?(n.push("Quiz table has no data rows"),{element:t,questions:s,errors:n}):(o.forEach((t,o)=>{const r=Array.from(t.querySelectorAll("td"));if(3!==r.length)return void n.push(`Row ${o+1} has ${r.length} columns, expected 3 (Question | Answer | Detail)`);const a=r[0],d=r[1],c=r[2];if(!a||!d||!c)return;const l=a.textContent?.trim()||"";if(!l)return void n.push(`Row ${o+1} has empty question text`);const u=d.textContent?.trim()||"";if(!u)return void n.push(`Row ${o+1} has empty answer`);const h=c.querySelector("ol");if(h){const t=(p=h,Array.from(p.querySelectorAll("li")).map(t=>t.textContent?.trim()||"").filter(t=>t.length>0));if(0===t.length)return void n.push(`Row ${o+1} MCQ has no options in
      `);s.push({text:l,kind:"mcq",correctAnswer:u,options:t})}else{const t=c.textContent?.trim()||"",r=parseFloat(t);if(isNaN(r))return void n.push(`Row ${o+1} appears to be numeric but has invalid tolerance: "${t}"`);s.push({text:l,kind:"numeric",correctAnswer:u,tolerance:r})}var p}),{element:t,questions:s,errors:n.length>0?n:void 0})}function c(t,n){if(!n||""===n.trim())return!1;const s=n.trim();if("mcq"===t.kind)return s===t.correctAnswer;{const n=parseFloat(s),o=parseFloat(t.correctAnswer);if(isNaN(n)||isNaN(o))return!1;const r=t.tolerance??0;return Math.abs(n-o)<=r}}const l=18e5,u={SESSION:"qd/session",CACHE:"qd/state",INSTRUCTOR:"qd/instructor",PIN_ATTEMPTS:"qd:pin-attempts"},h=3,p=3e4;class SessionService{createSession(t,n,s){const r=new Date,a=r.toISOString(),d={serviceId:t,name:n,release:s,loginTime:a,lastActivity:a,expiresAt:new Date(r.getTime()+l).toISOString(),instructorUnlocked:!1};return this.saveSession(d),o(`Session created for ${t} (${n})`),this.emitEvent("qd:login",{serviceId:t,name:n,release:s,loginTime:a}),d}getSession(){try{const t=sessionStorage.getItem(u.SESSION);if(!t)return null;const n=JSON.parse(t);return n.serviceId&&n.release&&n.expiresAt?n:(a("Invalid session data, missing required fields"),null)}catch(t){return r("Failed to parse session data",t),null}}updateActivity(){const t=this.getSession();if(!t)return;const n=new Date;t.lastActivity=n.toISOString(),t.expiresAt=new Date(n.getTime()+l).toISOString(),this.saveSession(t)}isExpired(){const t=this.getSession();return!t||function(t,n=new Date){const s=new Date(t);return!!isNaN(s.getTime())||n>=s}(t.expiresAt)}clearSession(){const t=this.getSession();sessionStorage.removeItem(u.SESSION),sessionStorage.removeItem(u.CACHE),sessionStorage.removeItem(u.INSTRUCTOR),sessionStorage.removeItem("qd/instructor/showAnswers"),t&&(o(`Session cleared for ${t.serviceId}`),this.emitEvent("qd:logout",{serviceId:t.serviceId,timestamp:(new Date).toISOString()}))}unlockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!0,t.unlockTime=(new Date).toISOString(),this.saveSession(t),o("Instructor mode unlocked"),this.emitEvent("qd:instructor-unlock",{timestamp:t.unlockTime}))}lockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!1,delete t.unlockTime,this.saveSession(t),o("Instructor mode locked"),this.emitEvent("qd:instructor-lock",{timestamp:(new Date).toISOString()}))}isInstructorUnlocked(){const t=this.getSession();return!0===t?.instructorUnlocked}getCache(){try{const t=sessionStorage.getItem(u.CACHE);return t?JSON.parse(t):null}catch(t){return r("Failed to parse cache data",t),null}}saveCache(t){try{sessionStorage.setItem(u.CACHE,JSON.stringify(t))}catch(n){r("Failed to save cache",n)}}clearCache(){sessionStorage.removeItem(u.CACHE)}saveSession(t){try{sessionStorage.setItem(u.SESSION,JSON.stringify(t))}catch(n){r("Failed to save session",n)}}emitEvent(t,n){try{const s=new CustomEvent(t,{detail:n,bubbles:!0});document.dispatchEvent(s)}catch(s){r(`Failed to emit event ${t}`,s)}}}function m(t,n){const s=n.answers.length,o=n.answers.filter(t=>""!==t.answer.trim()).length,r=n.answers.filter(t=>t.success).length;return{state:n.state,total:s,answered:o,correct:r,last:n.lastAttempted,answers:n.answers,analysis:n.analysis}}function g(t){return function(t,n="display"){if(null==t)return console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date";const s="string"==typeof t?new Date(t):t;return isNaN(s.getTime())?(console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date"):"csv"===n?function(t){return t.toISOString()}(s):function(t){return`${t.toLocaleDateString("en-US",{month:"short"})} ${t.getDate()} ${t.getHours().toString().padStart(2,"0")}:${t.getMinutes().toString().padStart(2,"0")}`}(s)}(t,"display")}class Debouncer{constructor(){this.timers=new Map}debounce(t,n,s=200){const o=this.timers.get(t);void 0!==o&&clearTimeout(o);const r=setTimeout(()=>{this.timers.delete(t),n()},s);this.timers.set(t,r)}cancel(t){const n=this.timers.get(t);return void 0!==n&&(clearTimeout(n),this.timers.delete(t),!0)}cancelAll(){let t=0;for(const n of this.timers.values())clearTimeout(n),t++;return this.timers.clear(),t}isPending(t){return this.timers.has(t)}getPendingCount(){return this.timers.size}}function f(t){const n=t.querySelector("tbody");return n?Array.from(n.querySelectorAll("tr")):[]}function b(t){return Array.from(t.cells)}function v(t){return t&&t.textContent?.trim()||""}function y(t,n,s){return document.createElement(t)}function w(t,...n){t.classList.add(...n)}function S(t,...n){t.classList.remove(...n)}function x(t,n,s){const o=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0,cancelable:!1});return document.dispatchEvent(o)}function E(t,n,s,o){const r=new CustomEvent(n,{detail:s,bubbles:!0,composed:!0,cancelable:!1});return t.dispatchEvent(r)}function $(t){try{const n=sessionStorage.getItem(t);return n?JSON.parse(n):null}catch(n){return a(`Failed to parse JSON from sessionStorage key: ${t}`,n),null}}function C(t,n){try{const s=JSON.stringify(n);return sessionStorage.setItem(t,s),!0}catch(s){return a(`Failed to store JSON in sessionStorage key: ${t}`,s),!1}}function q(){const t=[];for(let n=0;n{let s,o=!1;const d=()=>{s&&(clearTimeout(s),s=void 0)};s=window.setTimeout(()=>{if(o)return;o=!0,this.initPromise=null,a("IndexedDB open timed out after 5000ms - attempting recovery");const s=indexedDB.deleteDatabase(this.dbName);s.onsuccess=()=>{this.init().then(t).catch(n)},s.onerror=()=>{n(new StorageError(`Database "${this.dbName}" appears corrupted. Please clear site data in browser settings.`,"init"))},s.onblocked=()=>{n(new StorageError("Cannot recover database - close all other tabs with this site and reload.","init"))}},5e3);const c=indexedDB.open(this.dbName,3);c.onerror=()=>{o||(o=!0,d(),r(`IndexedDB open error: ${c.error?.message||"unknown"}`),this.initPromise=null,n(new StorageError("Failed to open database","init",c.error)))},c.onblocked=()=>{a("IndexedDB open blocked - close other tabs with this database")},c.onsuccess=()=>{if(!o){if(o=!0,d(),this.db=c.result,!this.db.objectStoreNames.contains(T)||!this.db.objectStoreNames.contains(O)||!this.db.objectStoreNames.contains(P)){a(`Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(", ")}]`),this.db.close(),this.db=null;const s=indexedDB.deleteDatabase(this.dbName);return s.onsuccess=()=>{this.initPromise=null,this.init().then(t).catch(n)},void(s.onerror=()=>{this.initPromise=null,n(new StorageError("Failed to delete corrupted database","init",s.error))})}this.initPromise=null,t()}},c.onupgradeneeded=t=>{const n=t.target.result,s=t.target.transaction;s&&(s.onerror=()=>{r(`Upgrade transaction error: ${s.error?.message||"unknown"}`)},s.onabort=()=>{r(`Upgrade transaction aborted: ${s.error?.message||"unknown"}`)});try{if(!n.objectStoreNames.contains(T)){const t=n.createObjectStore(T,{keyPath:null});t.createIndex("by-release","release",{unique:!1}),t.createIndex("by-service-id","serviceId",{unique:!1})}if(!n.objectStoreNames.contains(O)){const t=n.createObjectStore(O,{keyPath:null});t.createIndex("by-original-key","originalKey",{unique:!1}),t.createIndex("by-timestamp","timestamp",{unique:!1})}if(!n.objectStoreNames.contains(P)){const t=n.createObjectStore(P,{keyPath:"eventId"});t.createIndex("by-service-id","serviceId",{unique:!1}),t.createIndex("by-reset-at","resetAt",{unique:!1})}}catch(o){throw r("Error during database upgrade",o),o}}}),this.initPromise)}ensureInitialized(){if(!this.db)throw new StorageNotInitializedError("ensureInitialized");return this.db}async getStudent(t,n){const s=this.ensureInitialized(),o=A(t,n);return new Promise((t,n)=>{try{const r=s.transaction(T,"readonly"),a=r.objectStore(T).get(o);a.onsuccess=()=>{t(a.result||null)},a.onerror=()=>{n(new StorageError("Failed to get student record","getStudent",a.error))}}catch(r){n(new StorageError("Failed to get student record","getStudent",r))}})}async saveStudent(t){const n=this.ensureInitialized(),s=A(t.release,t.serviceId);return new Promise((o,r)=>{try{const a=n.transaction(T,"readwrite"),d=a.objectStore(T).put(t,s);d.onsuccess=()=>{o()},d.onerror=()=>{"QuotaExceededError"===d.error?.name?r(new StorageQuotaError("saveStudent")):r(new StorageError("Failed to save student record","saveStudent",d.error))},a.onerror=()=>{r(new StorageError("Transaction failed while saving student","saveStudent",a.error))}}catch(a){r(new StorageError("Failed to save student record","saveStudent",a))}})}async getStudentsByRelease(t){const n=this.ensureInitialized();return new Promise((s,o)=>{try{const r=n.transaction(T,"readonly").objectStore(T),a=r.index("by-release").getAll(t);a.onsuccess=()=>{s(a.result||[])},a.onerror=()=>{o(new StorageError("Failed to get students by release","getStudentsByRelease",a.error))}}catch(r){o(new StorageError("Failed to get students by release","getStudentsByRelease",r))}})}async clearAll(){const t=this.ensureInitialized();return new Promise((n,s)=>{try{const o=t.transaction([T,O,P],"readwrite"),r=o.objectStore(T),a=o.objectStore(O),d=o.objectStore(P),c=r.clear(),l=a.clear(),u=d.clear();let h=!1,p=!1,m=!1;c.onsuccess=()=>{h=!0,p&&m&&n()},l.onsuccess=()=>{p=!0,h&&m&&n()},u.onsuccess=()=>{m=!0,h&&p&&n()},c.onerror=()=>{s(new StorageError("Failed to clear students","clearAll",c.error))},l.onerror=()=>{s(new StorageError("Failed to clear backups","clearAll",l.error))},u.onerror=()=>{s(new StorageError("Failed to clear audit log","clearAll",u.error))},o.onerror=()=>{s(new StorageError("Transaction failed during clearAll","clearAll",o.error))}}catch(o){s(new StorageError("Failed to clear all data","clearAll",o))}})}async backup(t){const n=this.ensureInitialized(),s=(new Date).toISOString(),o=`backup_${s}_${t.serviceId}`,r=A(t.release,t.serviceId),a={...t,originalKey:r,timestamp:s};return new Promise((t,s)=>{try{const r=n.transaction(O,"readwrite"),d=r.objectStore(O).put(a,o);d.onsuccess=()=>{t()},d.onerror=()=>{"QuotaExceededError"===d.error?.name?s(new StorageQuotaError("backup")):s(new StorageError("Failed to create backup","backup",d.error))},r.onerror=()=>{s(new StorageError("Transaction failed during backup","backup",r.error))}}catch(r){s(new StorageError("Failed to create backup","backup",r))}})}async saveAuditEvent(t){const n=this.ensureInitialized();return new Promise((s,o)=>{try{const r=n.transaction(P,"readwrite"),a=r.objectStore(P).add(t);a.onsuccess=()=>{s()},a.onerror=()=>{o(new StorageError("Failed to save audit event","saveAuditEvent",a.error))}}catch(r){o(new StorageError("Failed to save audit event","saveAuditEvent",r))}})}close(){this.db&&(this.db.close(),this.db=null,this.initPromise=null)}}let _=null,D=null;function U(t){if(!t)throw new Error("FATAL: dbName is required for getStorageAdapter()");return _&&D!==t&&(_.close(),_=null),_||(_=new IndexedDBStorageAdapter(t),D=t),_}function j(t,n){return 0===n||function(t){return 0===t.length}(t)?"unstarted":function(t,n){if(t.length!==n)return!1;return t.every(t=>!0===t.success)}(t,n)?"complete":"incomplete"}class StorageService{constructor(t){if(!t)throw new Error("FATAL: dbName is required for StorageService");this.dbName=t,this.adapter=U(t)}async init(){try{await this.adapter.init(),o(`Storage service initialized (IndexedDB "${this.dbName}" ready)`)}catch(t){throw r("Failed to initialize storage service",t),t}}async loadStudentRecord(t){try{const n=await this.adapter.getStudent(t.release,t.serviceId);if(n)return o(`Loaded student record for ${t.serviceId} from IndexedDB`),n;const s={schema:1,docId:t.release,release:t.release,serviceId:t.serviceId,name:t.name,attempted:0,correct:0,updated:(new Date).toISOString(),pages:{}};return o(`Created new student record for ${t.serviceId}`),s}catch(n){a(`IndexedDB error, creating new record: ${n.message}`);return{schema:1,docId:t.release,release:t.release,serviceId:t.serviceId,name:t.name,attempted:0,correct:0,updated:(new Date).toISOString(),pages:{}}}}async saveStudentRecord(t){try{t.updated=(new Date).toISOString();const n=function(t){let n=0,s=0;for(const o in t){const r=t[o];if(r&&r.answers&&Array.isArray(r.answers)){const t=r.answers.filter(t=>""!==t.answer.trim());n+=t.length,s+=t.filter(t=>t.success).length}}return{attempted:n,correct:s}}(t.pages);t.attempted=n.attempted,t.correct=n.correct,await this.adapter.saveStudent(t),o(`Saved student record for ${t.serviceId} to IndexedDB`)}catch(n){throw r("Failed to save student record",n),n}}updateRecordWithAnswer(t,n,s,o,r){const a=t.pages[n]||{answers:[],state:"unstarted"};for(;a.answers.length<=s;)a.answers.push({answer:"",success:!1,timestamp:(new Date).toISOString()});a.answers[s]=o;const d=(new Date).toISOString();return a.firstAttempted||(a.firstAttempted=d),a.lastAttempted=d,a.state=j(a.answers,r),{...t,pages:{...t.pages,[n]:a}}}buildCache(t){return function(t){const n={totals:{total:0,answered:0,correct:0},pages:{}};for(const[s,o]of Object.entries(t.pages)){const t=m(0,o);n.pages[s]=t,n.totals.total+=t.total,n.totals.answered+=t.answered,n.totals.correct+=t.correct}return n}(t)}async getStudentsByRelease(t){try{return await this.adapter.getStudentsByRelease(t)}catch(n){throw r("Failed to get students by release",n),n}}async clearAll(){try{await this.adapter.clearAll(),o("Cleared all data from IndexedDB")}catch(t){throw r("Failed to clear all data",t),t}}async backup(t){try{await this.adapter.backup(t),o(`Created backup for ${t.serviceId}`)}catch(n){a(`Failed to create backup for ${t.serviceId}`,n)}}}let B=null,F=null;function V(t){if(B&&!t)return B;if(B&&t&&F!==t)return a(`Storage service already initialized with dbName="${F}", ignoring new dbName="${t}"`),B;if(!B){if(!t)throw new Error("FATAL: dbName is required for first getStorageService() call");B=new StorageService(t),F=t}return B}const Q=Object.freeze(Object.defineProperty({__proto__:null,StorageService:StorageService,getStorageService:V},Symbol.toStringTag,{value:"Module"})),K=new WeakMap;function W(t,n){const s=K.get(t);let l;if(s){if(s.interactive||!n.interactive)return o("Quiz table already enhanced, skipping"),!0;o("Upgrading quiz table from non-interactive to interactive mode"),l=s.parsed}else l=d(t),l.errors&&l.errors.length>0&&r("Quiz table has validation errors:",l.errors);const h={parsed:l,interactive:n.interactive,pageId:n.pageId};if(n.interactive){if(!n.pageId)return r("Interactive mode requires pageId option"),!1;o(`Preparing interactive enhancement for pageId: ${n.pageId}`),h.debouncer=new Debouncer,h.inputs=[]}if(K.set(t,h),n.interactive){const n=function(t,n){const{parsed:s,pageId:d,debouncer:l}=n;if(!d||!l)return r("Interactive mode requires pageId and debouncer"),!1;(function(t){const n=t.querySelectorAll("thead th, thead td");n[1]&&S(n[1],"qd-hidden");const s=t.querySelectorAll("tbody tr");s.forEach(t=>{const n=t.querySelectorAll("td");n[1]&&S(n[1],"qd-hidden")})})(t),G(t);if(!$(u.SESSION))return r("No active session found"),!1;let h=$(u.CACHE);h?o(`Cache loaded: ${h.totals.total} total questions, ${Object.keys(h.pages).length} pages`):(o("No cache found, creating empty cache"),h={totals:{total:0,answered:0,correct:0},pages:{}});const p=s.questions.length;h=function(t,n,s){const o=t.pages[n];if(o&&o.total>=s)return t;const r=s-(o?.total||0),a={state:o?.state||"unstarted",total:s,answered:o?.answered||0,correct:o?.correct||0,last:o?.last,answers:o?.answers,analysis:o?.analysis};return{totals:{total:t.totals.total+r,answered:t.totals.answered,correct:t.totals.correct},pages:{...t.pages,[n]:a}}}(h,d,p),C(u.CACHE,h);const m=h?.pages[d],g=m?.answers||[];o(`Page ${d}: ${g.length} existing answers, state: ${m?.state||"none"}`);const f=t.querySelector("tbody");if(!f)return 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document.addEventListener("qd:logout",O),n.cleanupInstructorListeners=()=>{document.removeEventListener("qd:instructor-show-answers",E),document.removeEventListener("qd:instructor-hide-answers",q),document.removeEventListener("qd:logout",O)},w(t,"qd-quiz-interactive"),o(`Quiz table enhanced in interactive mode for page ${d}`),!0}(t,h);return n?o(`Interactive enhancement succeeded for table with ${l.questions.length} questions`):r("Interactive enhancement failed"),n}return function(t){return function(t){const n=t.querySelector("colgroup");n&&n.remove()}(t),Y(t),G(t),w(t,"qd-quiz-non-interactive"),o("Quiz table enhanced in non-interactive mode"),!0}(t)}function J(t,n){S(t,"qd-answer-correct","qd-answer-incorrect"),w(t,n?"qd-answer-correct":"qd-answer-incorrect")}function Y(t){const n=t.querySelectorAll("thead th, thead td");n[1]&&w(n[1],"qd-hidden");t.querySelectorAll("tbody tr").forEach(t=>{const n=t.querySelectorAll("td");n[1]&&(w(n[1],"qd-hidden"),n[1].textContent="")})}function G(t){const n=t.querySelectorAll("thead th, thead td");n[2]&&w(n[2],"qd-hidden");t.querySelectorAll("tbody tr").forEach(t=>{const n=t.querySelectorAll("td");n[2]&&w(n[2],"qd-hidden")})}function Z(t){return K.get(t)}async function X(t,n){const{pageId:s,parsed:a}=n;if(!s)return;const d=$(u.SESSION);if(!d)return;const{getStorageService:c}=await Promise.resolve().then(()=>Q),l=c();try{const n=await l.getStudentsByRelease(d.release);if(0===n.length)return o("No student data available for this release"),void alert("No student data available for this release. 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b=h.buildCache(p);C(u.CACHE,b),x("qd:analysis-saved",{pageId:d,tableId:c.tableId,cellKey:n,content:s}),o(`Analysis cell saved for ${n} on page ${d}`)}(t,s,l)},500)}(n,h,d)})):r(`Cell at R${t}C${s} is no longer editable`))}),w(t,"qd-analysis-interactive"),o(`Analysis table enhanced in interactive mode for page ${d}`),!0}(t,d):function(t){w(t,"qd-analysis-non-interactive");const n=()=>{!async function(t){const n=ie.get(t);if(!n)return void a("Cannot show student entries: table not enhanced");const s=n.pageId||function(){const t=document.body.dataset.pageId;if(t)return t;const n=window.location.pathname,s=(n.split("/").pop()||"").replace(".html","");return s||void 0}();if(!s)return void a("Cannot show student entries: page ID not found");const d=$(u.SESSION);if(!d)return void a("Cannot show student entries: no active session");const c=V();let l;try{l=await c.getStudentsByRelease(d.release)}catch(v){return void r("Failed to load students for instructor view:",v)}const h=function(t,n){const s={};return t.forEach(t=>{const o=t.pages[n];if(!o||!o.analysis)return;const{cells:r}=o.analysis,a=o.analysis.lastEdited||t.updated;Object.entries(r).forEach(([n,o])=>{s[n]||(s[n]=[]),s[n].push({serviceId:t.serviceId,name:t.name,content:o,timestamp:a})})}),s}(l,s),{editableCells:p}=n.parsed,m=f(t);p.forEach(({row:t,col:n,key:s})=>{const o=m[t];if(!o)return;const r=b(o)[n];if(!r)return;const a=function(t){const n=document.createElement("div");if(n.className="qd-student-entries",0===t.length)return n.className+=" qd-no-entries",n.textContent="(No entries yet)",n.style.cssText="color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;",n;const s=function(t){return[...t].sort((t,n)=>{const s=new Date(t.timestamp).getTime();return new Date(n.timestamp).getTime()-s})}(t);return s.forEach(t=>{const s=document.createElement("div");s.className="qd-entry",s.style.cssText="padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;";const o=t.serviceId.slice(-4),r=g(t.timestamp),a=document.createElement("span");a.style.cssText="font-weight: 600; color: #374151;",a.textContent=`${t.name} (${o}) • ${r}: `;const d=document.createElement("span");d.style.cssText="white-space: pre-wrap;",d.textContent=t.content,s.appendChild(a),s.appendChild(d),n.appendChild(s)}),n.style.cssText="margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;",n}(h[s]||[]);a.setAttribute("data-qd-student-entries","true");const d=r.querySelector("[data-qd-student-entries]");d&&d.remove(),r.appendChild(a)}),o(`Displayed student entries for ${p.length} cells`)}(t)},s=()=>{de(t)};return document.addEventListener("qd:instructor-show-answers",n),document.addEventListener("qd:instructor-hide-answers",s),o("Analysis table enhanced in non-interactive mode with instructor view support"),!0}(t)}function de(t){t.querySelectorAll("[data-qd-student-entries]").forEach(t=>t.remove()),o("Hidden student entries from analysis table")}class EventCoordinator{constructor(){this.listeners=new Map}initialize(){this.registerLoginHandlers(),this.registerLogoutHandlers(),this.registerAnswerHandlers(),this.registerStateHandlers(),this.registerInstructorHandlers(),this.registerDataHandlers(),o("Event coordinator initialized")}registerLoginHandlers(){this.addEventListener("qd:login",t=>{(async()=>{const n=t.detail;if(o(`Login event: ${n.serviceId} (${n.name})`),"INSTRUCTOR"===n.serviceId)return void o("Instructor login - skipping student record handling");const s=$(u.SESSION);if(!s)return void o("No session found in storage, skipping cache rebuild");const r=V();let a,d;try{a=await r.loadStudentRecord(s),await r.saveStudentRecord(a),d=r.buildCache(a),C(u.CACHE,d),o(`Cache built from IndexedDB: ${d.totals.total} total questions`)}catch{o("Failed to load from IndexedDB, initializing empty 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o=()=>{X(t,s)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",()=>{ee(t)});"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}const s=document.querySelectorAll("table.qd-quiz");s.length>0&&(o(`Upgrading ${s.length} quiz table(s) to interactive mode...`),s.forEach(t=>{W(t,{interactive:!0,pageId:n})}));const r=document.querySelectorAll("table.qd-analysis");r.length>0&&(o(`Upgrading ${r.length} analysis table(s) to interactive mode...`),r.forEach(t=>{ae(t,{interactive:!0,pageId:n})}))}registerLogoutHandlers(){this.addEventListener("qd:logout",t=>{o(`Logout event: ${t.detail.serviceId}`);document.querySelectorAll("table.qd-quiz").forEach(t=>{!function(t){const n=K.get(t);n&&(n.interactive=!1,n.pageId=void 0,n.inputs=void 0,n.cleanupInstructorListeners?.(),n.cleanupInstructorListeners=void 0,Y(t),G(t),S(t,"qd-quiz-interactive"),o("Quiz table reset to non-interactive mode"))}(t)});document.querySelectorAll("table.qd-analysis").forEach(t=>{!function(t){const n=ie.get(t);n&&(de(t),n.interactive&&(t.querySelectorAll(".qd-editable").forEach(t=>{t instanceof HTMLTableCellElement&&(t.contentEditable="false",t.classList.remove("qd-editable"),t.textContent="")}),t.classList.remove("qd-analysis-interactive"),n.debouncer?.cancelAll()),n.interactive=!1,n.pageId=void 0,n.debouncer=void 0,n.cellKeyMap=void 0,o("Reset analysis table to non-interactive mode"))}(t)}),this.dispatchEvent("qd:cache-clear",{})})}registerAnswerHandlers(){this.addEventListener("qd:answer-saved",t=>{const n=t.detail;o(`Answer saved: ${n.pageId} Q${n.questionIndex} = ${n.answer} (${n.success?"correct":"incorrect"})`),this.dispatchEvent("qd:cache-update",{pageId:n.pageId})})}registerStateHandlers(){this.addEventListener("qd:state-changed",t=>{const n=t.detail;o(`State changed: ${n.pageId} → ${n.state}`),this.dispatchEvent("qd:badge-update",{pageId:n.pageId,state:n.state})})}registerInstructorHandlers(){this.addEventListener("qd:instructor-unlock",t=>{o(`Instructor mode unlocked at ${t.detail.unlockTime}`)}),this.addEventListener("qd:instructor-lock",()=>{o("Instructor mode locked")})}registerDataHandlers(){this.addEventListener("qd:data-cleared",t=>{o(`All data cleared at ${t.detail.timestamp}`),this.dispatchEvent("qd:cache-clear",{})})}addEventListener(t,n){document.addEventListener(t,n);const s=this.listeners.get(t)||[];s.push(n),this.listeners.set(t,s)}dispatchEvent(t,n){const s=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0});document.dispatchEvent(s)}cleanup(){for(const[t,n]of this.listeners)for(const s of n)document.removeEventListener(t,s);this.listeners.clear(),o("Event coordinator cleaned up")}}class SessionCoordinator{constructor(){this.sessionService=new SessionService}initialize(){const t=this.sessionService.getSession();if(t){if(o(`Existing session loaded 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- } - - .backdrop { - display: none; - } - - :host([open]) .backdrop { - display: flex; - position: fixed; - top: 0; - left: 0; - right: 0; - bottom: 0; - background: rgba(0, 0, 0, 0.5); - align-items: center; - justify-content: center; - z-index: 99999; - font-family: - system-ui, - -apple-system, - sans-serif; - animation: qd-modal-fadeIn 0.15s ease-out; - } - - @keyframes qd-modal-fadeIn { - from { - opacity: 0; - } - to { - opacity: 1; - } - } - - .content { - background: white; - border-radius: 8px; - box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); - max-width: 90vw; - max-height: 90vh; - overflow: auto; - animation: qd-modal-slideIn 0.15s ease-out; - } - - @keyframes qd-modal-slideIn { - from { - transform: translateY(-20px); - opacity: 0; - } - to { - transform: translateY(0); - opacity: 1; - } - } - - .header { - display: flex; - align-items: center; - justify-content: space-between; - padding: 16px 20px; - border-bottom: 1px solid #eee; - font-weight: 600; - font-size: 18px; - } - - .header ::slotted(*) { - margin: 0; 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}\n to { opacity: 1; }\n }\n\n .qd-modal-content {\n background: white;\n border-radius: 8px;\n box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);\n max-width: 90vw;\n max-height: 90vh;\n overflow: auto;\n animation: qd-modal-slideIn 0.15s ease-out;\n }\n\n @keyframes qd-modal-slideIn {\n from { transform: translateY(-20px); opacity: 0; }\n to { transform: translateY(0); opacity: 1; }\n }\n\n .qd-modal-header {\n padding: 16px 20px;\n border-bottom: 1px solid #eee;\n font-weight: 600;\n font-size: 18px;\n }\n\n .qd-modal-header:empty {\n display: none;\n }\n\n .qd-modal-body {\n padding: 20px;\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n",document.head.appendChild(zt.styleElement))}createPortal(){this.removePortal(),this.cloneMap.clear(),this.portalElement=document.createElement("div"),this.portalElement.className="qd-modal-backdrop",this.portalElement.addEventListener("click",this.handleBackdropClick);const t=document.createElement("div");t.className="qd-modal-content",t.setAttribute("role","dialog"),t.setAttribute("aria-modal","true"),t.addEventListener("click",this.stopPropagation);const n=document.createElement("div");n.className="qd-modal-header";const s=document.createElement("div");s.className="qd-modal-body";const o=this.querySelector('[slot="header"]');o&&n.appendChild(o.cloneNode(!0)),Array.from(this.children).forEach(t=>{if(!t.hasAttribute("slot")||"header"!==t.getAttribute("slot")){const n=t.cloneNode(!0);this.cloneMap.set(t,n),s.appendChild(n)}}),t.appendChild(n),t.appendChild(s),this.portalElement.appendChild(t),document.body.appendChild(this.portalElement),this.setupFormEventForwarding(s)}setupFormEventForwarding(t){t.querySelectorAll("form").forEach(t=>{t.addEventListener("submit",n=>{n.preventDefault();const s=new FormData(t),o={};s.forEach((t,n)=>{"string"==typeof t&&(o[n]=t)});const r=t.querySelector('input[type="password"]');r&&(o.password=r.value);const a=new CustomEvent("qd:password-submit",{detail:o,bubbles:!0,composed:!0});this.dispatchEvent(a)})})}removePortal(){this.portalElement&&(this.portalElement.remove(),this.portalElement=null)}render(){return Ze}show(){this.open=!0}close(){this.open=!1}refreshPortal(){this.open&&this.portalElement&&this.createPortal()}handleOpen(){Dt&&Dt!==this&&Dt.close(),Dt=this,this.previouslyFocused=document.activeElement,this.createPortal(),requestAnimationFrame(()=>{this.focusFirstElement()})}handleClose(){Dt===this&&(Dt=null),this.removePortal(),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}focusFirstElement(){if(!this.portalElement)return;const t=this.portalElement.querySelector('button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])');t&&t.focus()}emitCloseEvent(){const t=new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0});this.dispatchEvent(t)}};zt.styleElement=null,Lt([ht({type:Boolean,reflect:!0})],zt.prototype,"open",2),Lt([ht({type:Boolean})],zt.prototype,"closable",2),zt=Lt([ct("qd-modal")],zt);var Rt=Object.defineProperty,Mt=Object.getOwnPropertyDescriptor,Ht=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Mt(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Rt(n,s,a),a};let Ut=class extends at{constructor(){super(...arguments),this.open=!1,this.title="Enter Password",this.error="",this.password="",this.handleModalClose=()=>{this.close()},this.handleInput=t=>{const n=t.target;this.password=n.value,this.error&&(this.error="")},this.handleSubmit=t=>{t.preventDefault(),this.password.trim()&&this.dispatchEvent(new CustomEvent("qd:password-submit",{detail:{password:this.password},bubbles:!0,composed:!0}))},this.handleForwardedSubmit=t=>{t.stopPropagation();const n=t.detail?.password||"";n.trim()&&this.dispatchEvent(new CustomEvent("qd:password-submit",{detail:{password:n},bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close()}}show(){this.open=!0,this.password="",this.error=""}close(){this.open=!1,this.password="",this.error="",this.dispatchEvent(new CustomEvent("close",{bubbles:!0,composed:!0}))}syncErrorToPortal(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector("form.password-form");if(!n)return;let s=n.querySelector(".error-message");if(this.error){if(!s){s=document.createElement("div"),s.className="error-message",s.style.cssText="\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n ";const t=n.querySelector(".button-row");t?n.insertBefore(s,t):n.appendChild(s)}s.textContent=this.error}else s?.remove()}updated(t){t.has("open")&&this.open&&(this.password="",this.updateComplete.then(()=>{this.passwordInput?.focus()})),t.has("error")&&this.open&&this.updateComplete.then(()=>{setTimeout(()=>{this.syncErrorToPortal()},0)})}render(){return this.open?Ye` + ${this.title} - ${this.open?Jt` -
      -
      - - -
      + +
      + + +
      - ${this.error?Jt`
      ${this.error}
      `:""} + ${this.error?Ye`
      ${this.error}
      `:""} -
      - - -
      -
      - `:Gt} +
      + + +
      +       - `}}; + `:Ze}}; /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause */ -var Ue;Me.styles=pt` +var jt;Ut.styles=me` :host { display: contents; } @@ -354,23 +237,23 @@ var Ue;Me.styles=pt` button[type='button']:hover { background: #d0d0d0; } - `,ze([ue({type:Boolean,reflect:!0})],Me.prototype,"open",2),ze([ue({type:String})],Me.prototype,"title",2),ze([ue({type:String})],Me.prototype,"error",2),ze([he()],Me.prototype,"password",2),ze([(Ue='input[type="password"]',(t,s,n)=>((t,s,n)=>(n.configurable=!0,n.enumerable=!0,Reflect.decorate&&"object"!=typeof s&&Object.defineProperty(t,s,n),n))(t,s,{get(){return(t=>t.renderRoot?.querySelector(Ue)??null)(this)}}))],Me.prototype,"passwordInput",2),Me=ze([ce("qd-password-modal")],Me); + `,Ht([ht({type:Boolean,reflect:!0})],Ut.prototype,"open",2),Ht([ht({type:String})],Ut.prototype,"title",2),Ht([ht({type:String})],Ut.prototype,"error",2),Ht([pt()],Ut.prototype,"password",2),Ht([(jt='input[type="password"]',(t,n,s)=>((t,n,s)=>(s.configurable=!0,s.enumerable=!0,Reflect.decorate&&"object"!=typeof n&&Object.defineProperty(t,n,s),s))(t,n,{get(){return(t=>t.renderRoot?.querySelector(jt)??null)(this)}}))],Ut.prototype,"passwordInput",2),Ut=Ht([ct("qd-password-modal")],Ut); /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause */ -const He=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){this._$Ct=t,this._$AM=s,this._$Ci=n}_$AS(t,s){return this.update(t,s)}update(t,s){return this.render(...s)}} +const Bt=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){this._$Ct=t,this._$AM=n,this._$Ci=s}_$AS(t,n){return this.update(t,n)}update(t,n){return this.render(...n)}} /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause - */class e extends i{constructor(t){if(super(t),this.it=Gt,t.type!==He)throw Error(this.constructor.directiveName+"() can only be used in child bindings")}render(t){if(t===Gt||null==t)return this._t=void 0,this.it=t;if(t===Yt)return t;if("string"!=typeof t)throw Error(this.constructor.directiveName+"() called with a non-string value");if(t===this.it)return this._t;this.it=t;const s=[t];return s.raw=s,this._t={_$litType$:this.constructor.resultType,strings:s,values:[]}}}e.directiveName="unsafeHTML",e.resultType=1;const je=(t=>(...s)=>({_$litDirective$:t,values:s}))(e);var Be=Object.defineProperty,Fe=Object.getOwnPropertyDescriptor,Ve=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Fe(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Be(s,n,a),a};let Qe=class extends ie{constructor(){super(...arguments),this.open=!1,this.title="Confirm",this.message="",this.confirmText="Confirm",this.cancelText="Cancel",this.destructive=!1,this.handleModalClose=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))},this.handleConfirm=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:confirm",{bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))}}show(){this.open=!0}close(){this.open=!1}render(){return Jt` + */class e extends i{constructor(t){if(super(t),this.it=Ze,t.type!==Bt)throw Error(this.constructor.directiveName+"() can only be used in child bindings")}render(t){if(t===Ze||null==t)return this._t=void 0,this.it=t;if(t===Ge)return t;if("string"!=typeof t)throw Error(this.constructor.directiveName+"() called with a non-string value");if(t===this.it)return this._t;this.it=t;const n=[t];return n.raw=n,this._t={_$litType$:this.constructor.resultType,strings:n,values:[]}}}e.directiveName="unsafeHTML",e.resultType=1;const Ft=(t=>(...n)=>({_$litDirective$:t,values:n}))(e);var Vt=Object.defineProperty,Qt=Object.getOwnPropertyDescriptor,Kt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Qt(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Vt(n,s,a),a};let Wt=class extends at{constructor(){super(...arguments),this.open=!1,this.title="Confirm",this.message="",this.confirmText="Confirm",this.cancelText="Cancel",this.destructive=!1,this.handleModalClose=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))},this.handleConfirm=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:confirm",{bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))}}show(){this.open=!0}close(){this.open=!1}render(){return Ye` ${this.title}
      -
      ${je(this.message)}
      +
      ${Ft(this.message)}
       - `}};Qe.styles=pt` + `}};Wt.styles=me` :host { display: contents; } @@ -443,9 +326,60 @@ const He=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ .confirm-btn.destructive:hover { background: #b71c1c; } - `,Ve([ue({type:Boolean,reflect:!0})],Qe.prototype,"open",2),Ve([ue({type:String})],Qe.prototype,"title",2),Ve([ue({type:String})],Qe.prototype,"message",2),Ve([ue({type:String})],Qe.prototype,"confirmText",2),Ve([ue({type:String})],Qe.prototype,"cancelText",2),Ve([ue({type:Boolean})],Qe.prototype,"destructive",2),Qe=Ve([ce("qd-confirm-dialog")],Qe);var Ke=Object.defineProperty,We=Object.getOwnPropertyDescriptor,Je=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?We(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ke(s,n,a),a};let Ye=class extends ie{constructor(){super(...arguments),this.title="Sonar Quiz 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Jt` + `,Kt([ht({type:Boolean,reflect:!0})],Wt.prototype,"open",2),Kt([ht({type:String})],Wt.prototype,"title",2),Kt([ht({type:String})],Wt.prototype,"message",2),Kt([ht({type:String})],Wt.prototype,"confirmText",2),Kt([ht({type:String})],Wt.prototype,"cancelText",2),Kt([ht({type:Boolean})],Wt.prototype,"destructive",2),Wt=Kt([ct("qd-confirm-dialog")],Wt);var Jt=Object.defineProperty,Yt=Object.getOwnPropertyDescriptor,Gt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Yt(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Jt(n,s,a),a};let Zt=class extends at{constructor(){super(...arguments),this.panelType="login",this.handleClick=()=>{this.dispatchEvent(new CustomEvent("qd:help-open",{detail:{panelType:this.panelType},bubbles:!0,composed:!0}))}}render(){return Ye` + + `}};Zt.styles=me` + :host { + display: inline-block; + } + + .help-icon { + display: inline-flex; + align-items: center; + justify-content: center; + width: 20px; + height: 20px; + border-radius: 50%; + background: #0066cc; + color: white; + font-size: 12px; + font-weight: bold; + font-family: system-ui, -apple-system, sans-serif; + cursor: pointer; + border: none; + padding: 0; + transition: background 0.15s ease; + } + + .help-icon:hover { + background: #0052a3; + } + + .help-icon:focus { + outline: 2px solid #0066cc; + outline-offset: 2px; + } + + .help-icon:active { + background: #004080; + } + `,Gt([ht({type:String})],Zt.prototype,"panelType",2),Zt=Gt([ct("qd-help-trigger")],Zt);var Xt=Object.defineProperty,en=Object.getOwnPropertyDescriptor,tn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?en(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Xt(n,s,a),a};let nn=class extends 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strong{color:#333}",document.head.appendChild(nn.styleElement))}createPortal(){this.removePortal(),this.portalElement=document.createElement("div"),this.portalElement.className="qd-help-backdrop",this.portalElement.addEventListener("click",this.handleBackdropClick);const t=document.createElement("div");t.className="qd-help-content",t.setAttribute("role","dialog"),t.setAttribute("aria-modal","true"),t.setAttribute("aria-labelledby","qd-help-title"),t.addEventListener("click",this.stopPropagation);const n=document.createElement("div");n.className="qd-help-header";const s=document.createElement("h2");s.className="qd-help-title",s.id="qd-help-title",s.textContent=this.title;const o=document.createElement("button");o.className="qd-help-close",o.setAttribute("aria-label","Close"),o.innerHTML="×",o.addEventListener("click",this.handleCloseClick),n.appendChild(s),n.appendChild(o);const r=document.createElement("div");r.className="qd-help-body",r.innerHTML=this.content,t.appendChild(n),t.appendChild(r),this.portalElement.appendChild(t),document.body.appendChild(this.portalElement),requestAnimationFrame(()=>{o.focus()})}removePortal(){this.portalElement&&(this.portalElement.remove(),this.portalElement=null)}handleOpen(){this._isOpen=!0,this.previouslyFocused=document.activeElement,this.createPortal()}handleClose(){this._isOpen=!1,this.removePortal(),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}close(){this.open=!1,this.dispatchEvent(new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0}))}render(){return Ze}};nn.styleElement=null,tn([ht({type:Boolean,reflect:!0})],nn.prototype,"open",2),tn([ht({type:String})],nn.prototype,"title",2),tn([ht({type:String})],nn.prototype,"content",2),tn([pt()],nn.prototype,"_isOpen",2),nn=tn([ct("qd-help-popup")],nn);var sn=Object.defineProperty,on=Object.getOwnPropertyDescriptor,rn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?on(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&sn(n,s,a),a};let an=class extends at{constructor(){super(...arguments),this.title="Sonar Quiz System",this.name="",this.serviceId="",this.showInstructorModal=!1,this.instructorError="",this.errorMessage="",this.isSubmitting=!1,this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval=null,this.handleLogoutEvent=()=>{this.name="",this.serviceId="",this.errorMessage="",this.isSubmitting=!1,this.showInstructorModal=!1,this.instructorError="",this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null),this.updateVisibility()},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1},this.handleInstructorPasswordSubmit=t=>{this.handleInstructorLogin(t.detail.password)},this.handleInstructorModalClose=()=>{this.showInstructorModal=!1,this.instructorError=""},this.handlePinConfirmationDismiss=()=>{this.showPinConfirmation=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility(),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:logout",this.handleLogoutEvent),this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null)}firstUpdated(){this.setAttribute("data-ready","")}updateVisibility(){$(u.SESSION)?this.removeAttribute("data-show"):this.setAttribute("data-show","")}render(){return Ye` - `}loadCache(){const t=$(u.SESSION);t?(this.name=t.name||"",this.serviceId=t.serviceId||""):(this.name="",this.serviceId="");const s=$(u.CACHE);if(!s)return this.total=0,this.correct=0,this.percentage=0,void(this.statusColor="red");this.total=s.totals.total,this.correct=s.totals.correct,this.percentage=this.calculatePercentage(s.totals.total,s.totals.correct),this.statusColor=this.calculateStatusColor(s.totals.total,s.totals.correct)}calculatePercentage(t,s){return 0===t?0:Math.round(s/t*100)}calculateStatusColor(t,s){return function(t,s){return 0===t||0===s?"red":s===t?"green":"amber"}(t,s)}updateVisibility(){const t=$(u.SESSION),s="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&!s?this.setAttribute("data-show",""):this.removeAttribute("data-show")}handleLogout(){const t=$(u.SESSION);(new SessionService).clearSession();const s=new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0});this.dispatchEvent(s)}};ts.styles=pt` + + `}loadCache(){const t=$(u.SESSION);t?(this.name=t.name||"",this.serviceId=t.serviceId||""):(this.name="",this.serviceId="");const n=$(u.CACHE);if(!n)return this.total=0,this.correct=0,this.percentage=0,void(this.statusColor="red");this.total=n.totals.total,this.correct=n.totals.correct,this.percentage=this.calculatePercentage(n.totals.total,n.totals.correct),this.statusColor=this.calculateStatusColor(n.totals.total,n.totals.correct)}calculatePercentage(t,n){return 0===t?0:Math.round(n/t*100)}calculateStatusColor(t,n){return function(t,n){return 0===t||0===n?"red":n===t?"green":"amber"}(t,n)}updateVisibility(){const t=$(u.SESSION),n="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&!n?this.setAttribute("data-show",""):this.removeAttribute("data-show")}handleLogout(){const t=$(u.SESSION);(new SessionService).clearSession();const n=new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0});this.dispatchEvent(n)}};un.styles=me` :host { display: none; /* Hidden by default, shown when logged in */ font-family: @@ -769,7 +717,7 @@ const He=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ .logout-button:hover { background: #b71c1c; } - `,Xe([he()],ts.prototype,"total",2),Xe([he()],ts.prototype,"correct",2),Xe([he()],ts.prototype,"percentage",2),Xe([he()],ts.prototype,"statusColor",2),Xe([he()],ts.prototype,"name",2),Xe([he()],ts.prototype,"serviceId",2),ts=Xe([ce("qd-status")],ts);const es=pt` + `,ln([pt()],un.prototype,"total",2),ln([pt()],un.prototype,"correct",2),ln([pt()],un.prototype,"percentage",2),ln([pt()],un.prototype,"statusColor",2),ln([pt()],un.prototype,"name",2),ln([pt()],un.prototype,"serviceId",2),ln([pt()],un.prototype,"helpOpen",2),un=ln([ct("qd-status")],un);const hn=me` :host { display: inline-block; font-family: @@ -1011,7 +959,7 @@ const He=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ .close-button:hover { color: #000; } -`;class RateLimiter{constructor(){this.failureCount=0,this.lockoutUntil=null}attempt(){return!(this.lockoutUntil&&Date.now()=this.lockoutUntil&&(this.lockoutUntil=null),!0)}recordFailure(){this.failureCount++;const t=[2e3,4e3,8e3,16e3,3e4],s=t[Math.min(this.failureCount-1,t.length-1)]??3e4;this.lockoutUntil=Date.now()+s}reset(){this.failureCount=0,this.lockoutUntil=null}getRemainingSeconds(){if(!this.lockoutUntil)return 0;const t=Math.max(0,this.lockoutUntil-Date.now());return Math.ceil(t/1e3)}isLockedOut(){return null!==this.lockoutUntil&&Date.now(){for(var r,a=o>1?void 0:o?os(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ns(s,n,a),a};let is=class extends ie{constructor(){super(...arguments),this.password="",this.error="",this.remainingSeconds=0,this.rateLimiter=new RateLimiter,this.handlePasswordInput=t=>{const s=t.target;this.password=s.value,this.error=""},this.handleSubmit=async t=>{t.preventDefault();if(!this.rateLimiter.attempt())return this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),this.startCountdown(),void(this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`);try{const t=function(){const t=document.getElementById(ss);if(!t){const t=`Instructor password hash not found. Expected element with id="${ss}". Check Oxygen XSL transform configuration.`;throw r(t),new Error(t)}const s=t.textContent?.trim();if(!s){const t="Instructor password hash element is empty. Check Oxygen parameter configuration.";throw r(t),new Error(t)}if(!/^[a-f0-9]{64}$/i.test(s)){const t=`Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${s.substring(0,20)}...`;throw r(t),new Error(t)}return s.toLowerCase()}(),s=(new TextEncoder).encode(this.password),n=await crypto.subtle.digest("SHA-256",s),o=Array.from(new Uint8Array(n)).map(t=>t.toString(16).padStart(2,"0")).join(""),a=await async function(t,s){if(t.length!==s.length)return!1;if(0===t.length)return!0;const n=new TextEncoder,o=n.encode(t),r=n.encode(s);try{const t=await crypto.subtle.importKey("raw",o,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),s=await crypto.subtle.sign("HMAC",t,r),n=await crypto.subtle.importKey("raw",r,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),a=await crypto.subtle.sign("HMAC",n,o);if(s.byteLength!==a.byteLength)return!1;const c=new Uint8Array(s),d=new Uint8Array(a);let l=0;for(let o=0;o{this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),0===this.remainingSeconds?(this.countdownInterval&&(window.clearInterval(this.countdownInterval),this.countdownInterval=void 0),this.error=""):this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`},1e3)}render(){const t=this.remainingSeconds>0;return Jt` +`;class RateLimiter{constructor(){this.failureCount=0,this.lockoutUntil=null}attempt(){return!(this.lockoutUntil&&Date.now()=this.lockoutUntil&&(this.lockoutUntil=null),!0)}recordFailure(){this.failureCount++;const t=[2e3,4e3,8e3,16e3,3e4],n=t[Math.min(this.failureCount-1,t.length-1)]??3e4;this.lockoutUntil=Date.now()+n}reset(){this.failureCount=0,this.lockoutUntil=null}getRemainingSeconds(){if(!this.lockoutUntil)return 0;const t=Math.max(0,this.lockoutUntil-Date.now());return Math.ceil(t/1e3)}isLockedOut(){return null!==this.lockoutUntil&&Date.now(){for(var r,a=o>1?void 0:o?gn(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&mn(n,s,a),a};let bn=class extends at{constructor(){super(...arguments),this.password="",this.error="",this.remainingSeconds=0,this.rateLimiter=new RateLimiter,this.handlePasswordInput=t=>{const n=t.target;this.password=n.value,this.error=""},this.handleSubmit=async t=>{t.preventDefault();if(!this.rateLimiter.attempt())return this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),this.startCountdown(),void(this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`);try{const t=function(){const t=document.getElementById(pn);if(!t){const t=`Instructor password hash not found. Expected element with id="${pn}". Check Oxygen XSL transform configuration.`;throw r(t),new Error(t)}const n=t.textContent?.trim();if(!n){const t="Instructor password hash element is empty. Check Oxygen parameter configuration.";throw r(t),new Error(t)}if(!/^[a-f0-9]{64}$/i.test(n)){const t=`Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${n.substring(0,20)}...`;throw r(t),new Error(t)}return n.toLowerCase()}(),n=(new TextEncoder).encode(this.password),s=await crypto.subtle.digest("SHA-256",n),o=Array.from(new Uint8Array(s)).map(t=>t.toString(16).padStart(2,"0")).join(""),a=await async function(t,n){if(t.length!==n.length)return!1;if(0===t.length)return!0;const s=new TextEncoder,o=s.encode(t),r=s.encode(n);try{const t=await crypto.subtle.importKey("raw",o,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),n=await crypto.subtle.sign("HMAC",t,r),s=await crypto.subtle.importKey("raw",r,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),a=await crypto.subtle.sign("HMAC",s,o);if(n.byteLength!==a.byteLength)return!1;const d=new Uint8Array(n),c=new Uint8Array(a);let l=0;for(let o=0;o{this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),0===this.remainingSeconds?(this.countdownInterval&&(window.clearInterval(this.countdownInterval),this.countdownInterval=void 0),this.error=""):this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`},1e3)}render(){const t=this.remainingSeconds>0;return Ye`

      Instructor Access

      Enter the instructor password to unlock administrative features.

      @@ -1030,138 +978,63 @@ const He=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ />
      - ${this.error?Jt``:""} + ${this.error?Ye``:""} - `}};is.styles=es,rs([he()],is.prototype,"password",2),rs([he()],is.prototype,"error",2),rs([he()],is.prototype,"remainingSeconds",2),is=rs([ce("qd-instructor-unlock")],is);var as=Object.defineProperty,cs=Object.getOwnPropertyDescriptor,ds=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?cs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&as(s,n,a),a};let ls=class extends ie{constructor(){super(...arguments),this.open=!1,this.students=[],this.handleModalClose=()=>{this.open=!1,this.dispatchEvent(new CustomEvent("close"))}}render(){return Jt` + `}};bn.styles=hn,fn([pt()],bn.prototype,"password",2),fn([pt()],bn.prototype,"error",2),fn([pt()],bn.prototype,"remainingSeconds",2),bn=fn([ct("qd-instructor-unlock")],bn);var vn=Object.defineProperty,yn=Object.getOwnPropertyDescriptor,wn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?yn(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&vn(n,s,a),a};let Sn=class extends at{constructor(){super(...arguments),this.open=!1,this.students=[],this.expandedStudents=new Set,this.handleModalClose=()=>{this.open=!1,this.dispatchEvent(new CustomEvent("close"))}}updated(t){t.has("open")&&this.open&&(this.expandedStudents=new Set(this.students.map(t=>t.serviceId)))}render(){return Ye` Student Scores -
      - ${0===this.students.length?Jt`

      No student data available.

      `:this.renderScoresTable()} + ${0===this.students.length?Ye`

      No student data available.

      `:this.renderScoresTable()}
      - `}renderScoresTable(){const t=[...this.students].sort((t,s)=>t.name.localeCompare(s.name));return Jt` + `}renderScoresTable(){const t=[...this.students].sort((t,n)=>t.name.localeCompare(n.name));return Ye` - - + + + ${t.map(t=>this.renderStudentRow(t))}
      Student Service IDScoreAnswersAttemptedCorrectPercentage
      - `}renderStudentRow(t){const s=this.calculateSummary(t),n=Object.entries(t.pages);return Jt` - - ${s.name} - ${s.serviceId} - - ${s.correct}/${s.attempted} (${s.percentage}%) - + `}renderStudentRow(t){const n=this.calculateSummary(t),s=this.expandedStudents.has(t.serviceId);return Ye` + this.toggleStudent(t.serviceId)}> - ${0===n.length?Jt`—`:Jt` -
      - ${n.map(([t,s])=>Jt` + ${s?"▼":"▶"} + ${n.name} + + ${n.serviceId} + ${n.attempted} + 0?"correct-highlight":""} + > + ${n.correct} + + ${n.percentage}% + + ${s?this.renderDetailRow(t):Ze} + `}renderDetailRow(t){const n=Object.entries(t.pages);return Ye` + + + ${0===n.length?Ye`No quiz pages attempted`:Ye` +
      + ${n.map(([t,n])=>Ye`
      ${t} -
      - ${s.answers.map((t,s)=>Jt` - - Q${s+1}: ${t?.answer??"—"} +
      + ${n.answers.map((t,n)=>Ye` + + Q${n+1}: ${t?t.answer:"—"} `)}
      @@ -1171,26 +1044,142 @@ const He=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ `} - `}getScoreClass(t){return 0===t.attempted?"":100===t.percentage?"score-perfect":0===t.percentage?"score-zero":""}calculateSummary(t){const s=t.attempted>0?Math.round(t.correct/t.attempted*100):0;return{serviceId:t.serviceId,name:t.name,attempted:t.attempted,correct:t.correct,percentage:s}}show(){this.open=!0}close(){this.open=!1}};ls.styles=pt` + `}calculateSummary(t){const n=t.attempted>0?Math.round(t.correct/t.attempted*100):0;return{serviceId:t.serviceId,name:t.name,attempted:t.attempted,correct:t.correct,percentage:n}}getPercentageClass(t){return 100===t?"correct-highlight":0===t?"incorrect-highlight":""}getAnswerClass(t){return t?t.success?"correct":"incorrect":"unanswered"}toggleStudent(t){const n=new Set(this.expandedStudents);n.has(t)?n.delete(t):n.add(t),this.expandedStudents=n}show(){this.open=!0}close(){this.open=!1}};Sn.styles=me` :host { display: contents; } - `,ds([ue({type:Boolean,reflect:!0})],ls.prototype,"open",2),ds([ue({type:Array})],ls.prototype,"students",2),ls=ds([ce("qd-scores-modal")],ls);var us=Object.defineProperty,hs=Object.getOwnPropertyDescriptor,ps=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?hs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&us(s,n,a),a};let gs=class extends ie{constructor(){super(...arguments),this.students=[],this.showModal=!1,this.handleClose=()=>{this.dispatchEvent(new CustomEvent("close"))}}render(){return Jt` + + .scores-content { + min-width: 600px; + max-width: 800px; + } + + .empty-message { + color: #666; + padding: 20px; + text-align: center; + } + + table { + width: 100%; + border-collapse: collapse; + } + + thead th { + padding: 8px; + text-align: left; + border-bottom: 1px solid #ddd; + background: #f5f5f5; + font-weight: 600; + } + + .student-row { + cursor: pointer; + } + + .student-row:hover { + background: #f9f9f9; + } + + .student-row td { + padding: 8px; + border-bottom: 1px solid #eee; + } + + .expand-icon { + display: inline-block; + width: 16px; + margin-right: 4px; + text-align: center; + } + + .correct-highlight { + color: #28a745; + } + + .incorrect-highlight { + color: #dc3545; + } + + .detail-row { + background: #f9f9f9; + } + + .detail-row td { + padding: 8px 8px 8px 40px; + border-bottom: 1px solid #eee; + } + + .page-breakdown { + display: flex; + flex-direction: column; + gap: 6px; + } + + .page-row { + display: flex; + align-items: center; + gap: 12px; + } + + .page-name { + font-weight: 600; + min-width: 120px; + flex-shrink: 0; + } + + .answers-list { + display: flex; + flex-wrap: wrap; + gap: 4px; + flex: 1; + } + + .answer-badge { + display: inline-block; + padding: 2px 6px; + border-radius: 3px; + font-size: 11px; + font-weight: 500; + } + + .answer-badge.correct { + background: #d4edda; + color: #155724; + border: 1px solid #c3e6cb; + } + + .answer-badge.incorrect { + background: #f8d7da; + color: #721c24; + border: 1px solid #f5c6cb; + } + + .answer-badge.unanswered { + background: #e0e0e0; + color: #666; + } + + .no-pages { + color: #666; + font-style: italic; + } + `,wn([ht({type:Boolean,reflect:!0})],Sn.prototype,"open",2),wn([ht({type:Array})],Sn.prototype,"students",2),wn([pt()],Sn.prototype,"expandedStudents",2),Sn=wn([ct("qd-scores-modal")],Sn);var xn=Object.defineProperty,En=Object.getOwnPropertyDescriptor,$n=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?En(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&xn(n,s,a),a};let Cn=class extends at{constructor(){super(...arguments),this.students=[],this.showModal=!1,this.handleClose=()=>{this.dispatchEvent(new CustomEvent("close"))}}render(){return Ye` - `}};gs.styles=es,ps([ue({type:Array})],gs.prototype,"students",2),ps([ue({type:Boolean})],gs.prototype,"showModal",2),gs=ps([ce("qd-instructor-scores")],gs);var ms=Object.defineProperty,fs=Object.getOwnPropertyDescriptor,bs=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?fs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ms(s,n,a),a};let vs=class extends ie{constructor(){super(...arguments),this.students=[],this.handleExport=()=>{const t=this.generateCSV(),s=new Blob([t],{type:"text/csv;charset=utf-8;"}),n=URL.createObjectURL(s),o=document.createElement("a");o.href=n;const r=(new Date).toISOString().replace(/[:.]/g,"-").slice(0,19);o.download=`quiz-data-${r}.csv`,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(n)}}escapeCSVField(t){const s=String(t);return s.includes(",")||s.includes('"')||s.includes("\n")?`"${s.replace(/"/g,'""')}"`:s}generateCSV(){const t=[];t.push("Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp");for(const s of this.students)for(const[n,o]of Object.entries(s.pages)){(o.answers||[]).forEach((o,r)=>{o&&t.push([this.escapeCSVField(s.serviceId),this.escapeCSVField(s.name),this.escapeCSVField(s.release),this.escapeCSVField(n),this.escapeCSVField(r),this.escapeCSVField(o.answer),this.escapeCSVField(o.success),this.escapeCSVField(o.timestamp)].join(","))})}return t.join("\n")}render(){const t=this.students.length>0&&this.students.some(t=>t.attempted>0),s=t?`Export ${this.students.length} student${1===this.students.length?"":"s"} to CSV`:this.students.length>0?"No answers to export (students have not answered any questions)":"No data to export";return Jt` + `}};Cn.styles=hn,$n([ht({type:Array})],Cn.prototype,"students",2),$n([ht({type:Boolean})],Cn.prototype,"showModal",2),Cn=$n([ct("qd-instructor-scores")],Cn);var qn=Object.defineProperty,In=Object.getOwnPropertyDescriptor,An=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?In(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&qn(n,s,a),a};let kn=class extends at{constructor(){super(...arguments),this.students=[],this.handleExport=()=>{const t=this.generateCSV(),n=new Blob([t],{type:"text/csv;charset=utf-8;"}),s=URL.createObjectURL(n),o=document.createElement("a");o.href=s;const r=(new Date).toISOString().replace(/[:.]/g,"-").slice(0,19);o.download=`quiz-data-${r}.csv`,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(s)}}escapeCSVField(t){const n=String(t);return n.includes(",")||n.includes('"')||n.includes("\n")?`"${n.replace(/"/g,'""')}"`:n}generateCSV(){const t=[];t.push("Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp");for(const n of this.students)for(const[s,o]of Object.entries(n.pages)){(o.answers||[]).forEach((o,r)=>{o&&t.push([this.escapeCSVField(n.serviceId),this.escapeCSVField(n.name),this.escapeCSVField(n.release),this.escapeCSVField(s),this.escapeCSVField(r),this.escapeCSVField(o.answer),this.escapeCSVField(o.success),this.escapeCSVField(o.timestamp)].join(","))})}return t.join("\n")}render(){const t=this.students.length>0&&this.students.some(t=>t.attempted>0),n=t?`Export ${this.students.length} student${1===this.students.length?"":"s"} to CSV`:this.students.length>0?"No answers to export (students have not answered any questions)":"No data to export";return Ye` - `}};vs.styles=es,bs([ue({type:Array})],vs.prototype,"students",2),vs=bs([ce("qd-instructor-export")],vs);var ws=Object.defineProperty,ys=Object.getOwnPropertyDescriptor,Ss=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?ys(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ws(s,n,a),a};let xs=class extends ie{constructor(){super(...arguments),this.showConfirmDialog=!1,this.confirmText="",this.error="",this.success="",this.modalContainer=null,this.handleClearRequest=()=>{this.showConfirmDialog=!0,this.confirmText="",this.error="",this.success=""},this.handleCancelClear=()=>{this.showConfirmDialog=!1,this.confirmText="",this.error=""},this.handleConfirmInput=t=>{const s=t.target;this.confirmText=s.value},this.handleConfirmClear=()=>{if("DELETE ALL DATA"===this.confirmText)try{q(),E(this,"qd:data-cleared",{}),this.success="All quiz data cleared successfully",this.showConfirmDialog=!1,this.confirmText="",this.error="",setTimeout(()=>{this.success=""},3e3)}catch{this.error="Failed to clear data"}else this.error="Confirmation text does not match"}}disconnectedCallback(){super.disconnectedCallback(),this.removeModalFromBody()}updated(t){super.updated(t),t.has("showConfirmDialog")&&(this.showConfirmDialog?this.renderModalToBody():this.removeModalFromBody()),this.showConfirmDialog&&(t.has("confirmText")||t.has("error"))&&this.renderModalToBody()}renderModalToBody(){this.modalContainer||(this.modalContainer=document.createElement("div"),this.modalContainer.className="qd-manage-modal-container",document.body.appendChild(this.modalContainer)),oe(this.renderConfirmDialog(),this.modalContainer)}removeModalFromBody(){this.modalContainer&&(this.modalContainer.remove(),this.modalContainer=null)}render(){return Jt` + `}};kn.styles=hn,An([ht({type:Array})],kn.prototype,"students",2),kn=An([ct("qd-instructor-export")],kn);var Tn=Object.defineProperty,On=Object.getOwnPropertyDescriptor,Pn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?On(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Tn(n,s,a),a};let Nn=class extends at{constructor(){super(...arguments),this.showConfirmDialog=!1,this.confirmText="",this.error="",this.success="",this.modalContainer=null,this.handleClearRequest=()=>{this.showConfirmDialog=!0,this.confirmText="",this.error="",this.success=""},this.handleCancelClear=()=>{this.showConfirmDialog=!1,this.confirmText="",this.error=""},this.handleConfirmInput=t=>{const n=t.target;this.confirmText=n.value},this.handleConfirmClear=()=>{if("DELETE ALL DATA"===this.confirmText)try{q(),E(this,"qd:data-cleared",{}),this.success="All quiz data cleared successfully",this.showConfirmDialog=!1,this.confirmText="",this.error="",setTimeout(()=>{this.success=""},3e3)}catch{this.error="Failed to clear data"}else this.error="Confirmation text does not match"}}disconnectedCallback(){super.disconnectedCallback(),this.removeModalFromBody()}updated(t){super.updated(t),t.has("showConfirmDialog")&&(this.showConfirmDialog?this.renderModalToBody():this.removeModalFromBody()),this.showConfirmDialog&&(t.has("confirmText")||t.has("error"))&&this.renderModalToBody()}renderModalToBody(){this.modalContainer||(this.modalContainer=document.createElement("div"),this.modalContainer.className="qd-manage-modal-container",document.body.appendChild(this.modalContainer)),rt(this.renderConfirmDialog(),this.modalContainer)}removeModalFromBody(){this.modalContainer&&(this.modalContainer.remove(),this.modalContainer=null)}render(){return Ye`
      - `}};xs.styles=es,Ss([he()],xs.prototype,"showConfirmDialog",2),Ss([he()],xs.prototype,"confirmText",2),Ss([he()],xs.prototype,"error",2),Ss([he()],xs.prototype,"success",2),xs=Ss([ce("qd-instructor-manage")],xs);var Es=Object.defineProperty,$s=Object.getOwnPropertyDescriptor,Cs=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?$s(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Es(s,n,a),a};let Is=class extends ie{constructor(){super(...arguments),this.students=[],this.open=!1,this.searchText="",this.confirmingStudent=null,this.confirmDialogOpen=!1,this.errorMessage="",this.handleModalClose=()=>{this.confirmDialogOpen||(this.close(),this.dispatchEvent(new CustomEvent("close")))},this.handleSearchInput=t=>{const s=t.target;this.searchText=s.value},this.handleResetClick=t=>{this.confirmingStudent=t,this.confirmDialogOpen=!0},this.handleConfirmReset=()=>{this.confirmingStudent&&this.executeReset(this.confirmingStudent)},this.handleCancelReset=()=>{this.confirmDialogOpen=!1,this.confirmingStudent=null}}set showModal(t){this.open=t}get showModal(){return this.open}get filteredStudents(){if(!this.searchText.trim())return this.students;const t=this.searchText.toLowerCase().trim();return this.students.filter(s=>s.name.toLowerCase().includes(t)||s.serviceId.toLowerCase().includes(t))}close(){this.open=!1,this.confirmingStudent=null,this.confirmDialogOpen=!1,this.searchText="",this.errorMessage=""}show(){this.open=!0}async executeReset(t){try{const n=document.getElementById(we);if(!n?.textContent?.trim())throw new Error(`Database name not configured. Add dbName to page.`);const o=U(n.textContent.trim());await o.init();const r=(s=t,{...s,pinHash:"",pinResetAt:(new Date).toISOString()});await o.saveStudent(r);const a={eventId:crypto.randomUUID(),serviceId:t.serviceId,resetBy:"instructor",resetAt:(new Date).toISOString(),release:t.release};await o.saveAuditEvent(a);const c=this.students.findIndex(s=>s.serviceId===t.serviceId);c>=0&&(this.students[c]=r,this.students=[...this.students]),this.dispatchEvent(new CustomEvent("qd:pin-reset",{detail:{serviceId:t.serviceId,resetBy:"instructor",timestamp:(new Date).toISOString()},bubbles:!0,composed:!0})),this.confirmDialogOpen=!1,this.confirmingStudent=null,this.errorMessage=""}catch(n){console.error("PIN reset error:",n),this.errorMessage="Failed to reset PIN. Please try again.",this.confirmDialogOpen=!1,this.confirmingStudent=null}var s}render(){const t=this.confirmingStudent,s=t?`Reset PIN for ${t.name} (${t.serviceId})?
      They will need to create a new PIN on next login.`:"";return Jt` + `}};Nn.styles=hn,Pn([pt()],Nn.prototype,"showConfirmDialog",2),Pn([pt()],Nn.prototype,"confirmText",2),Pn([pt()],Nn.prototype,"error",2),Pn([pt()],Nn.prototype,"success",2),Nn=Pn([ct("qd-instructor-manage")],Nn);var _n=Object.defineProperty,Ln=Object.getOwnPropertyDescriptor,Dn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Ln(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&_n(n,s,a),a};let zn=class extends at{constructor(){super(...arguments),this.students=[],this.open=!1,this.searchText="",this.confirmingStudent=null,this.confirmDialogOpen=!1,this.errorMessage="",this.handleModalClose=()=>{this.confirmDialogOpen||(this.close(),this.dispatchEvent(new CustomEvent("close")))},this.handleSearchInput=t=>{const n=t.target;this.searchText=n.value,this.updateComplete.then(()=>{this.syncContentToPortal()})},this.handleResetClick=t=>{this.confirmingStudent=t,this.confirmDialogOpen=!0},this.handleConfirmReset=()=>{this.confirmingStudent&&this.executeReset(this.confirmingStudent)},this.handleCancelReset=()=>{this.confirmDialogOpen=!1,this.confirmingStudent=null}}set showModal(t){this.open=t}get showModal(){return this.open}get filteredStudents(){if(!this.searchText.trim())return this.students;const t=this.searchText.toLowerCase().trim();return this.students.filter(n=>n.name.toLowerCase().includes(t)||n.serviceId.toLowerCase().includes(t))}close(){this.open=!1,this.confirmingStudent=null,this.confirmDialogOpen=!1,this.searchText="",this.errorMessage=""}show(){this.open=!0}async executeReset(t){try{const s=document.getElementById(wt);if(!s?.textContent?.trim())throw new Error(`Database name not configured. Add dbName to page.`);const o=U(s.textContent.trim());await o.init();const r=(n=t,{...n,pinHash:"",pinResetAt:(new Date).toISOString()});await o.saveStudent(r);const a={eventId:crypto.randomUUID(),serviceId:t.serviceId,resetBy:"instructor",resetAt:(new Date).toISOString(),release:t.release};await o.saveAuditEvent(a);const d=this.students.findIndex(n=>n.serviceId===t.serviceId);d>=0&&(this.students[d]=r,this.students=[...this.students]),this.dispatchEvent(new CustomEvent("qd:pin-reset",{detail:{serviceId:t.serviceId,resetBy:"instructor",timestamp:(new Date).toISOString()},bubbles:!0,composed:!0})),this.confirmDialogOpen=!1,this.confirmingStudent=null,this.errorMessage="",this.updateComplete.then(()=>{this.syncContentToPortal()})}catch(s){console.error("PIN reset error:",s),this.errorMessage="Failed to reset PIN. Please try again.",this.confirmDialogOpen=!1,this.confirmingStudent=null,this.updateComplete.then(()=>{this.syncContentToPortal()})}var n}syncContentToPortal(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector(".student-list");if(!n)return;n.innerHTML="";const s=this.filteredStudents;if(0===s.length){const t=document.createElement("div");t.className="empty-message",t.textContent=this.searchText?"No matching students":"No students found",t.style.cssText="padding: 16px; text-align: center; color: #666; font-size: 12px;",n.appendChild(t)}else s.forEach(t=>{const s=document.createElement("div");s.className="student-item",s.style.cssText="\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n ";const o=document.createElement("div"),r=document.createElement("div");r.className="student-name",r.textContent=t.name,r.style.cssText="font-size: 12px; font-weight: 500;";const a=document.createElement("div");a.className="student-id",a.textContent=`ID: ${t.serviceId}`,a.style.cssText="font-size: 10px; color: #666;";const d=document.createElement("div");d.className="pin-status";const c=t.pinHash&&t.pinHash.length>0;d.textContent=c?"PIN set":"No PIN",d.style.cssText=`font-size: 10px; color: ${c?"#4caf50":"#ff9800"};`,o.appendChild(r),o.appendChild(a),o.appendChild(d);const l=document.createElement("button");l.className="reset-btn",l.textContent="Reset PIN",l.type="button",l.style.cssText="\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n ",l.onclick=()=>this.handleResetClick(t),s.appendChild(o),s.appendChild(l),n.appendChild(s)});let o=t.querySelector(".error-message");if(this.errorMessage){if(!o){o=document.createElement("div"),o.className="error-message";const n=t.querySelector(".qd-modal-body");n?.appendChild(o)}o.textContent=this.errorMessage,o.style.cssText="\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n "}else o?.remove()}setupPortalListeners(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector(".search-input");n&&(n.oninput=this.handleSearchInput,n.focus()),this.syncContentToPortal()}updated(t){t.has("open")&&this.open&&setTimeout(()=>{this.setupPortalListeners()},0),t.has("students")&&this.open&&this.updateComplete.then(()=>{this.syncContentToPortal()})}render(){if(!this.open)return Ze;const t=this.confirmingStudent,n=t?`Reset PIN for ${t.name} (${t.serviceId})?
      They will need to create a new PIN on next login.`:"";return Ye` Reset Student PIN - ${this.open?Jt` -
      - - -
      - ${0===this.filteredStudents.length?Jt`
      - ${this.searchText?"No matching students":"No students found"} -
      `:Jt` - - - - - - - - - - ${this.filteredStudents.map(t=>Jt` - - - - - - `)} - -
      NameService IDReset PIN
      ${t.name}${t.serviceId} - -
      - `} -
      +
      + - ${this.errorMessage?Jt`
      ${this.errorMessage}
      `:""} -
      - `:Gt} +
      + ${0===this.filteredStudents.length?Ye`
      + ${this.searchText?"No matching students":"No students found"} +
      `:this.filteredStudents.map(t=>Ye` +
      +
      +
      ${t.name}
      +
      ID: ${t.serviceId}
      +
      + ${t.pinHash?"PIN set":"No PIN"} +
      +
      + +
      + `)} +
      + + ${this.errorMessage?Ye`
      ${this.errorMessage}
      `:""} +
      - `}};Is.styles=pt` + `}};zn.styles=me` :host { display: contents; } @@ -1361,44 +1331,45 @@ const He=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1); } - .student-table-container { + .student-list { max-height: 300px; overflow-y: auto; border: 1px solid #e0e0e0; border-radius: 4px; } - .student-table { - width: 100%; - border-collapse: collapse; - font-size: 12px; + .student-item { + display: flex; + justify-content: space-between; + align-items: center; + padding: 8px 12px; + border-bottom: 1px solid #f0f0f0; } - .student-table th { - text-align: left; - padding: 8px 12px; - background: #f5f5f5; - border-bottom: 1px solid #e0e0e0; + .student-item:last-child { + border-bottom: none; + } + + .student-name { + font-size: 12px; font-weight: 500; - position: sticky; - top: 0; } - .student-table td { - padding: 6px 12px; - border-bottom: 1px solid #f0f0f0; + .student-id { + font-size: 10px; + color: #666; } - .student-table tbody tr:nth-child(even) { - background: #f8f8f8; + .pin-status { + font-size: 10px; } - .student-table tbody tr:hover { - background: #f0f0f0; + .pin-status.has-pin { + color: #4caf50; } - .student-table tr:last-child td { - border-bottom: none; + .pin-status.no-pin { + color: #ff9800; } .reset-btn { @@ -1430,9 +1401,13 @@ const He=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ background: #ffebee; border-radius: 4px; } - `,Cs([ue({type:Array})],Is.prototype,"students",2),Cs([ue({type:Boolean,reflect:!0})],Is.prototype,"open",2),Cs([he()],Is.prototype,"searchText",2),Cs([he()],Is.prototype,"confirmingStudent",2),Cs([he()],Is.prototype,"confirmDialogOpen",2),Cs([he()],Is.prototype,"errorMessage",2),Cs([ue({type:Boolean})],Is.prototype,"showModal",1),Is=Cs([ce("qd-pin-reset-dialog")],Is);var qs=Object.defineProperty,As=Object.getOwnPropertyDescriptor,ks=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?As(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&qs(s,n,a),a};let Ts=class extends ie{constructor(){super(...arguments),this.unlocked=!1,this.showScores=!1,this.students=[],this.showStudentAnswers=!1,this.showPinReset=!1,this.handleLoginEvent=t=>{const s=t,n=s.detail?.role;this.updateVisibility(),"instructor"===n&&(this.unlock(),this.loadStudents())},this.handleLogoutEvent=()=>{this.updateVisibility(),this.lock()},this.handleResetPins=async()=>{const t=$(u.SESSION);if(t){try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}this.showPinReset=!0}},this.handleClosePinReset=()=>{this.showPinReset=!1},this.handlePinReset=()=>{this.dispatchEvent(new CustomEvent("qd:pin-reset",{bubbles:!0,composed:!0}))},this.handleUnlock=()=>{this.unlocked=!0,this.dispatchEvent(new CustomEvent("qd:instructor-unlock",{bubbles:!0,composed:!0}))},this.handleViewScores=async()=>{const t=$(u.SESSION);if(t){try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}this.showScores=!0}},this.handleCloseScores=()=>{this.showScores=!1},this.handleDataCleared=()=>{this.dispatchEvent(new CustomEvent("qd:data-cleared",{bubbles:!0,composed:!0})),this.students=[]},this.handleLogout=()=>{const t=$(u.SESSION);(new SessionService).clearSession(),this.dispatchEvent(new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0}))},this.handleToggleStudentAnswers=async t=>{const s=t.target;if(this.showStudentAnswers=s.checked,this.showStudentAnswers&&0===this.students.length){const t=$(u.SESSION);if(t)try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(o){console.error("Failed to load students for toggle:",o)}}const n=this.showStudentAnswers?"qd:instructor-show-answers":"qd:instructor-hide-answers";this.dispatchEvent(new CustomEvent(n,{bubbles:!0,composed:!0})),sessionStorage.setItem("qd/instructor/showAnswers",String(this.showStudentAnswers))}}connectedCallback(){super.connectedCallback(),this.updateVisibility();const t="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&(this.unlock(),this.loadStudents());const s=sessionStorage.getItem("qd/instructor/showAnswers");null!==s&&(this.showStudentAnswers="true"===s,this.showStudentAnswers&&t&&setTimeout(()=>{this.dispatchEvent(new CustomEvent("qd:instructor-show-answers",{bubbles:!0,composed:!0}))},100)),document.addEventListener("qd:login",this.handleLoginEvent),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:login",this.handleLoginEvent),document.removeEventListener("qd:logout",this.handleLogoutEvent)}updateVisibility(){"true"===sessionStorage.getItem(u.INSTRUCTOR)?this.setAttribute("data-show",""):this.removeAttribute("data-show")}setStudents(t){this.students=t}async loadStudents(){const t=$(u.SESSION);if(t)try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}}unlock(){this.unlocked=!0}lock(){this.unlocked=!1,this.showScores=!1,this.showPinReset=!1}render(){return this.unlocked?Jt` + `,Dn([ht({type:Array})],zn.prototype,"students",2),Dn([ht({type:Boolean,reflect:!0})],zn.prototype,"open",2),Dn([pt()],zn.prototype,"searchText",2),Dn([pt()],zn.prototype,"confirmingStudent",2),Dn([pt()],zn.prototype,"confirmDialogOpen",2),Dn([pt()],zn.prototype,"errorMessage",2),Dn([ht({type:Boolean})],zn.prototype,"showModal",1),zn=Dn([ct("qd-pin-reset-dialog")],zn);var Rn=Object.defineProperty,Mn=Object.getOwnPropertyDescriptor,Hn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Mn(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Rn(n,s,a),a};let Un=class extends at{constructor(){super(...arguments),this.unlocked=!1,this.showScores=!1,this.students=[],this.showStudentAnswers=!1,this.showPinReset=!1,this.helpOpen=!1,this.handleLoginEvent=t=>{const n=t,s=n.detail?.role;this.updateVisibility(),"instructor"===s&&this.unlock()},this.handleLogoutEvent=()=>{this.updateVisibility(),this.lock()},this.handleResetPins=async()=>{const t=$(u.SESSION);if(t){try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(n){console.error("Failed to load students:",n),this.students=[]}this.showPinReset=!0}},this.handleClosePinReset=()=>{this.showPinReset=!1},this.handlePinReset=()=>{this.dispatchEvent(new CustomEvent("qd:pin-reset",{bubbles:!0,composed:!0}))},this.handleUnlock=()=>{this.unlocked=!0,this.dispatchEvent(new CustomEvent("qd:instructor-unlock",{bubbles:!0,composed:!0}))},this.handleViewScores=async()=>{const t=$(u.SESSION);if(t){try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(n){console.error("Failed to load students:",n),this.students=[]}this.showScores=!0}},this.handleCloseScores=()=>{this.showScores=!1},this.handleDataCleared=()=>{this.dispatchEvent(new CustomEvent("qd:data-cleared",{bubbles:!0,composed:!0})),this.students=[]},this.handleLogout=()=>{const t=$(u.SESSION);(new SessionService).clearSession(),this.dispatchEvent(new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0}))},this.handleToggleStudentAnswers=async t=>{const n=t.target;if(this.showStudentAnswers=n.checked,this.showStudentAnswers&&0===this.students.length){const t=$(u.SESSION);if(t)try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(o){console.error("Failed to load students for toggle:",o)}}const s=this.showStudentAnswers?"qd:instructor-show-answers":"qd:instructor-hide-answers";this.dispatchEvent(new CustomEvent(s,{bubbles:!0,composed:!0})),sessionStorage.setItem("qd/instructor/showAnswers",String(this.showStudentAnswers))},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility();const t="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&this.unlock();const n=sessionStorage.getItem("qd/instructor/showAnswers");null!==n&&(this.showStudentAnswers="true"===n,this.showStudentAnswers&&t&&setTimeout(()=>{this.dispatchEvent(new CustomEvent("qd:instructor-show-answers",{bubbles:!0,composed:!0}))},100)),document.addEventListener("qd:login",this.handleLoginEvent),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:login",this.handleLoginEvent),document.removeEventListener("qd:logout",this.handleLogoutEvent)}updateVisibility(){"true"===sessionStorage.getItem(u.INSTRUCTOR)?this.setAttribute("data-show",""):this.removeAttribute("data-show")}setStudents(t){this.students=t}unlock(){this.unlocked=!0}lock(){this.unlocked=!1,this.showScores=!1,this.showPinReset=!1}render(){return this.unlocked?Ye`
      -
      Instructor Mode
      +
      + Instructor Mode + + +
      - `:Jt` + `:Ye` - `}};Ts.styles=[es,pt` + `}};Un.styles=[hn,me` :host { display: none; /* Hidden by default, shown when instructor logged in */ } @@ -1476,5 +1458,5 @@ const He=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ :host([data-show]) { display: block; } - `],ks([he()],Ts.prototype,"unlocked",2),ks([he()],Ts.prototype,"showScores",2),ks([he()],Ts.prototype,"students",2),ks([he()],Ts.prototype,"showStudentAnswers",2),ks([he()],Ts.prototype,"showPinReset",2),Ts=ks([ce("qd-instructor")],Ts);const _s={statusPanel:".wh_top_menu_and_indexterms_link"};function Os(t={}){const s=t.statusPanelContainer||_s.statusPanel;!function(t){const s=document.querySelector(t);if(!s)return null;const n=document.createElement("qd-login");s.appendChild(n)}(s),function(t){const s=document.querySelector(t);if(!s)return null;const n=document.createElement("qd-status");s.appendChild(n)}(s),function(t){const s=document.querySelector(t);if(!s)return null;const n=document.createElement("qd-instructor");s.appendChild(n)}(s)}const Ps={red:"qd-badge-red",amber:"qd-badge-amber",green:"qd-badge-green"},Ns={unstarted:"red",incomplete:"amber",complete:"green"};function Ls(t){const s=function(t,s){if(!t||!s?.pages)return"unstarted";const n=s.pages[t];return n?.state??"unstarted"}(t.getAttribute("data-page-id"),$(u.CACHE));!function(t,s){Object.values(Ps).forEach(s=>{t.classList.remove(s)});const n=Ps[Ns[s]];t.classList.add(n)}(t,s)}function Ds(){const t=document.querySelectorAll(".quizPageBtn"),s=$(u.CACHE),n="true"===sessionStorage.getItem(u.INSTRUCTOR);if(!s||n)return t.forEach(t=>{Object.values(Ps).forEach(s=>{t.classList.remove(s)})}),void t.length;t.forEach(t=>{Ls(t)}),t.length}function Rs(t){const s=t,{pageId:n}=s.detail,o=document.querySelector(`[data-page-id="${n}"]`);o&&o.classList.contains("quizPageBtn")&&Ls(o)}function zs(){Ds()}function Ms(){const t=document.querySelectorAll(".quizPageBtn");t.forEach(t=>{Object.values(Ps).forEach(s=>{t.classList.remove(s)})}),t.length}const Us={initialized:!1};async function Hs(t={}){if(Us.initialized)return void a("Bootstrap already initialized, skipping");if(function(){if(document.getElementById("qd-global-styles"))return;const t=document.createElement("style");t.id="qd-global-styles",t.textContent="\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: inherit;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Ensure select elements inherit font properly */\n .qd-quiz-interactive select.qd-quiz-input {\n font-family: inherit;\n font-size: inherit;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n\n /* Modal error message styles (needed because qd-modal moves to body) */\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n ",document.head.appendChild(t)}(),!t.dbName){const t="FATAL: dbName not provided in bootstrap config. 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+ `],Hn([pt()],Un.prototype,"unlocked",2),Hn([pt()],Un.prototype,"showScores",2),Hn([pt()],Un.prototype,"students",2),Hn([pt()],Un.prototype,"showStudentAnswers",2),Hn([pt()],Un.prototype,"showPinReset",2),Hn([pt()],Un.prototype,"helpOpen",2),Un=Hn([ct("qd-instructor")],Un);const jn={statusPanel:".wh_top_menu_and_indexterms_link"};function Bn(t={}){const n=t.statusPanelContainer||jn.statusPanel;!function(t){const n=document.querySelector(t);if(!n)return o(`Login component not injected: container '${t}' not found`),null;const s=document.createElement("qd-login");n.appendChild(s),o("Login component injected")}(n),function(t){const n=document.querySelector(t);if(!n)return o(`Status component not injected: container '${t}' not found`),null;const s=document.createElement("qd-status");n.appendChild(s),o("Status component injected")}(n),function(t){const n=document.querySelector(t);if(!n)return o(`Instructor component not injected: container '${t}' not found`),null;const s=document.createElement("qd-instructor");n.appendChild(s),o("Instructor component injected")}(n)}const Fn={red:"qd-badge-red",amber:"qd-badge-amber",green:"qd-badge-green"},Vn={unstarted:"red",incomplete:"amber",complete:"green"};function Qn(t){const n=function(t,n){if(!t||!n?.pages)return"unstarted";const s=n.pages[t];return s?.state??"unstarted"}(t.getAttribute("data-page-id"),$(u.CACHE));!function(t,n){Object.values(Fn).forEach(n=>{t.classList.remove(n)});const s=Fn[Vn[n]];t.classList.add(s)}(t,n)}function Kn(){const t=document.querySelectorAll(".quizPageBtn"),n=$(u.CACHE),s="true"===sessionStorage.getItem(u.INSTRUCTOR);if(!n||s)return t.forEach(t=>{Object.values(Fn).forEach(n=>{t.classList.remove(n)})}),void o(s?`Removed badge styling from ${t.length} page links (instructor mode)`:`Removed badge styling from ${t.length} page links (no session)`);t.forEach(t=>{Qn(t)}),o(`Updated ${t.length} page badges`)}function Wn(t){const n=t,{pageId:s}=n.detail,r=document.querySelector(`[data-page-id="${s}"]`);r&&r.classList.contains("quizPageBtn")&&(Qn(r),o(`Updated badge for page ${s}`))}function Jn(){o("Cache rebuilt, refreshing all badges"),Kn()}function Yn(){o("Logout detected, removing all badge styling");const t=document.querySelectorAll(".quizPageBtn");t.forEach(t=>{Object.values(Fn).forEach(n=>{t.classList.remove(n)})}),o(`Removed badge styling from ${t.length} page links`)}const Gn={initialized:!1};async function Zn(t={}){if(Gn.initialized)return void a("Bootstrap already initialized, skipping");if(o("Bootstrapping Sonar Quiz System..."),function(){if(document.getElementById("qd-global-styles"))return;const t=document.createElement("style");t.id="qd-global-styles",t.textContent="\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: 1rem;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n ",document.head.appendChild(t),o("Global styles injected")}(),!t.dbName){const t="FATAL: dbName not provided in bootstrap config. Processing stopped.";throw console.error(t),new Error(t)}const n=V(t.dbName);await n.init();const s=new EventCoordinator;s.initialize(),Gn.eventCoordinator=s;const r=new SessionCoordinator;r.initialize(),Gn.sessionCoordinator=r,Bn({statusPanelContainer:t.statusPanelContainer,dbName:t.dbName}),!1!==t.autoEnhanceQuizTables&&function(){const t=document.querySelectorAll("table.qd-quiz");if(0===t.length)return void o("No quiz tables found to enhance");o(`Enhancing ${t.length} quiz table(s) in non-interactive mode...`);let n=0;for(const o of Array.from(t))try{W(o,{interactive:!1}),n++}catch(s){a(`Failed to enhance quiz table: ${s.message}`)}o(`Enhanced ${n} of ${t.length} quiz table(s) (non-interactive)`)}(),!1!==t.autoEnhanceAnalysisTables&&function(){const t=document.querySelectorAll("table.qd-analysis");if(0===t.length)return void o("No analysis tables found to enhance");o(`Enhancing ${t.length} analysis table(s) in non-interactive mode...`);let n=0;for(const o of Array.from(t))try{ae(o,{interactive:!1}),n++}catch(s){a(`Failed to enhance analysis table: ${s.message}`)}o(`Enhanced ${n} of ${t.length} analysis table(s) (non-interactive)`)}(),!1!==t.autoEnhanceHomeBadges&&function(){const t=document.querySelectorAll(".quizPageBtn");if(0===t.length)return void o("No .quizPageBtn links found, skipping badge enhancement");o(`Enhancing home page badges for ${t.length} link(s)...`);try{document.querySelectorAll(".quizPageBtn").forEach(t=>{const n=function(t){const n=t.getAttribute("href");return n&&n.substring(n.lastIndexOf("/")+1).replace(/\.html?$/i,"")||null}(t);n?(t.setAttribute("data-page-id",n),o(`Set data-page-id="${n}" for link: ${t.textContent?.trim()}`)):o(`Failed to extract pageId from href: ${t.getAttribute("href")}`)}),Kn(),document.addEventListener("qd:state-changed",Wn),document.addEventListener("qd:cache-rebuild",Jn),document.addEventListener("qd:logout",Yn),o("Home page badges enhanced with event listeners"),o("Home page badges enhanced")}catch(n){a(`Failed to enhance home badges: ${n.message}`)}}(),await async function(){const t=$(u.SESSION);if(!t)return void o("No existing session, tables remain in non-interactive mode");if("true"===sessionStorage.getItem(u.INSTRUCTOR)){o("Instructor session detected, revealing answers in non-interactive tables");const t=window.location.pathname,n=t.substring(t.lastIndexOf("/")+1).replace(/\.html?$/i,"");return void document.querySelectorAll("table.qd-quiz").forEach(t=>{const s=Z(t);if(!s)return;s.pageId=n;t.querySelectorAll("td:nth-child(2), th:nth-child(2)").forEach(t=>{t.classList.remove("qd-hidden")});t.querySelectorAll("tbody td:nth-child(2)").forEach((t,n)=>{const o=s.parsed.questions[n];o&&t instanceof HTMLTableCellElement&&(t.textContent=o.correctAnswer)});t.querySelectorAll("td:nth-child(3), th:nth-child(3)").forEach(t=>t.classList.remove("qd-hidden"));const o=()=>{X(t,s)},r=()=>{ee(t)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",r);"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}o(`Existing session detected for ${t.serviceId}, upgrading tables to interactive mode`);const n=V();let s=$(u.CACHE);if(!s){o("Cache not found, rebuilding from IndexedDB...");try{const r=await n.loadStudentRecord(t);s=n.buildCache(r),C(u.CACHE,s),o(`Cache rebuilt from IndexedDB: ${s.totals.total} total questions`)}catch{a("Failed to rebuild cache from IndexedDB, using empty cache"),s={totals:{total:0,answered:0,correct:0},pages:{}},C(u.CACHE,s)}}const r=window.location.pathname,d=r.substring(r.lastIndexOf("/")+1).replace(/\.html?$/i,"");if(!d)return void o("No pageId found, skipping table upgrade");const c=document.querySelectorAll("table.qd-quiz");c.length>0&&(o(`Upgrading ${c.length} quiz table(s) to interactive mode...`),c.forEach(t=>{W(t,{interactive:!0,pageId:d})}));const l=document.querySelectorAll("table.qd-analysis");l.length>0&&(o(`Upgrading ${l.length} analysis table(s) to interactive mode...`),l.forEach(t=>{ae(t,{interactive:!0,pageId:d})}))}(),Gn.initialized=!0,o("Bootstrap complete")}if("undefined"!=typeof window){const t=()=>{o("Auto-initializing Sonar Quiz System");const t=Ct();Zn({dbName:t.dbName,statusPanelContainer:t.statusPanelContainer,autoEnhanceQuizTables:!0,autoEnhanceAnalysisTables:!0,autoEnhanceHomeBadges:!0}).catch(t=>{console.error("[FATAL] Bootstrap failed:",t)})};"loading"===document.readyState?document.addEventListener("DOMContentLoaded",()=>{t()}):t()}return t.BUILD_DATE="27/Nov/2025",t.DEFAULT_CONTAINERS=jn,t.Debouncer=Debouncer,t.SCHEMA_VERSION=2,t.SESSION_TIMEOUT_MS=l,t.STORAGE_KEYS=u,t.VERSION="0.1.0-phase3.1",t.bootstrap=Zn,t.calculateCompletionState=j,t.cleanup=function(){Gn.initialized?(o("Cleaning up bootstrap resources..."),Gn.eventCoordinator?.cleanup(),Gn.sessionCoordinator?.cleanup(),Gn.initialized=!1,Gn.eventCoordinator=void 0,Gn.sessionCoordinator=void 0,o("Bootstrap cleanup complete")):a("Bootstrap not initialized, nothing to cleanup")},t.clearQuizData=q,t.enhanceAnalysisTable=ae,t.enhanceQuizTable=W,t.error=r,t.generateCellKey=se,t.generateTableId=ne,t.getAnalysisTableMetadata=function(t){return ie.get(t)},t.getJSON=$,t.getQuizTableMetadata=Z,t.info=o,t.injectComponents=Bn,t.isAnalysisTableEnhanced=function(t){return ie.has(t)},t.isCellEditable=oe,t.isInitialized=function(){return Gn.initialized},t.isQuizTableEnhanced=function(t){return K.has(t)},t.parseAnalysisTable=re,t.parseQuizTable=d,t.setJSON=C,t.validateAnswer=c,t.warn=a,Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),t}({}); //# sourceMappingURL=sonar-quiz.iife.js.map diff --git a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map index c0bc42f..0260d62 100644 --- a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map +++ b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map @@ -1 +1 @@ -{"version":3,"file":"sonar-quiz.iife.js","sources":["../src/utils/logger.ts","../src/services/quiz-parser.ts","../src/types/contracts.ts","../src/services/session.ts","../src/utils/calculation-helpers.ts","../src/utils/date-helpers.ts","../src/utils/debouncer.ts","../src/utils/dom-helpers.ts","../src/utils/event-helpers.ts","../src/utils/storage-helpers.ts","../src/services/storage/adapter-utils.ts","../src/services/storage/indexeddb.ts","../src/services/state-calculator.ts","../src/services/storage-service.ts","../src/enhancers/quiz-table.ts","../src/services/question-input.ts","../src/services/answer-display.ts","../src/services/analysis-parser.ts","../src/enhancers/analysis-table.ts","../src/init/event-coordinator.ts","../src/init/session-coordinator.ts","../node_modules/@lit/reactive-element/css-tag.js","../node_modules/@lit/reactive-element/reactive-element.js","../node_modules/lit-html/lit-html.js","../node_modules/lit-element/lit-element.js","../node_modules/@lit/reactive-element/decorators/custom-element.js","../node_modules/@lit/reactive-element/decorators/property.js","../node_modules/@lit/reactive-element/decorators/state.js","../src/config/dom-config-reader.ts","../src/services/auth/pin-service.ts","../src/services/auth/rate-limiter.ts","../src/components/qd-build-info.ts","../src/components/qd-modal.ts","../src/components/qd-password-modal.ts","../node_modules/@lit/reactive-element/decorators/query.js","../node_modules/@lit/reactive-element/decorators/base.js","../node_modules/lit-html/directive.js","../node_modules/lit-html/directives/unsafe-html.js","../src/components/qd-confirm-dialog.ts","../src/components/qd-login.ts","../src/utils/validation-helpers.ts","../src/services/storage/migration.ts","../src/components/qd-status.ts","../src/components/qd-instructor/shared-styles.ts","../src/utils/security.ts","../src/config/instructor-password.ts","../src/components/qd-instructor/qd-instructor-unlock.ts","../src/components/qd-scores-modal.ts","../src/components/qd-instructor/qd-instructor-scores.ts","../src/components/qd-instructor/qd-instructor-export.ts","../src/components/qd-instructor/qd-instructor-manage.ts","../src/components/qd-pin-reset-dialog.ts","../src/components/qd-instructor/qd-instructor.ts","../src/init/component-injector.ts","../src/enhancers/home-badges.ts","../src/init/bootstrap.ts","../src/index.ts"],"sourcesContent":["/**\n * Structured logging with sanitization\n *\n * Provides debug/info/error logging with automatic sanitization of sensitive data.\n * Debug logs are controlled by a runtime flag to prevent production leakage.\n */\n\nimport type { ServiceId } from '../types/contracts.js';\n\n/**\n * Debug mode flag\n *\n * Set to true for development logging, false for production.\n * Can be controlled via data-debug attribute on script tag.\n */\nlet debugEnabled = false;\n\n/**\n * Enable or disable debug logging\n *\n * @param enabled - Whether to enable debug logs\n */\nexport function setDebugMode(enabled: boolean): void {\n debugEnabled = enabled;\n}\n\n/**\n * Check if debug mode is enabled\n */\nexport function isDebugEnabled(): boolean {\n return debugEnabled;\n}\n\n/**\n * Mask sensitive service ID\n *\n * Replaces middle characters with asterisks for privacy.\n *\n * @param serviceId - Service ID to mask\n * @returns Masked service ID (e.g., \"RN2344\" → \"RN****\")\n *\n * @example\n * ```typescript\n * const masked = maskServiceId('RN2344');\n * console.log(masked); // \"RN****\"\n * ```\n */\nexport function maskServiceId(serviceId: ServiceId): string {\n if (serviceId.length < 2) {\n return '**';\n }\n if (serviceId.length === 2) {\n return serviceId; // Keep 2-char IDs unmasked\n }\n const prefix = serviceId.slice(0, 2);\n const suffix = '*'.repeat(serviceId.length - 2);\n return prefix + suffix;\n}\n\n/**\n * Sanitize object by removing or masking sensitive fields\n *\n * Removes: name, passwordHash\n * Masks: serviceId\n *\n * @param obj - Object to sanitize\n * @returns Sanitized copy of object\n *\n * @example\n * ```typescript\n * const data = { serviceId: 'RN2344', name: 'John Doe', score: 95 };\n * const safe = sanitize(data);\n * console.log(safe); // { serviceId: 'RN****', score: 95 }\n * ```\n */\nexport function sanitize(obj: T): Partial {\n if (obj === null || typeof obj !== 'object') {\n return obj;\n }\n\n const sanitized: Record = {};\n\n for (const [key, value] of Object.entries(obj)) {\n // Remove sensitive fields\n if (key === 'name' || key === 'passwordHash') {\n continue;\n }\n\n // Mask service IDs\n if (key === 'serviceId' && typeof value === 'string') {\n sanitized[key] = maskServiceId(value);\n continue;\n }\n\n // Recursively sanitize nested objects\n if (typeof value === 'object' && value !== null) {\n sanitized[key] = sanitize(value);\n continue;\n }\n\n sanitized[key] = value;\n }\n\n return sanitized as Partial;\n}\n\n/**\n * Log debug message (only in debug mode)\n *\n * @param message - Debug message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function debug(message: string, data?: unknown): void {\n if (debugEnabled) {\n if (data !== undefined) {\n // eslint-disable-next-line no-console\n console.log(`[DEBUG] ${message}`, sanitize(data));\n } else {\n // eslint-disable-next-line no-console\n console.log(`[DEBUG] ${message}`);\n }\n }\n}\n\n/**\n * Log info message (only in debug mode)\n *\n * @param message - Info message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function info(message: string, data?: unknown): void {\n if (debugEnabled) {\n if (data !== undefined) {\n // eslint-disable-next-line no-console\n console.log(`[INFO] ${message}`, sanitize(data));\n } else {\n // eslint-disable-next-line no-console\n console.log(`[INFO] ${message}`);\n }\n }\n}\n\n/**\n * Log error message\n *\n * @param message - Error message\n * @param error - Error object or data\n */\nexport function error(message: string, error?: unknown): void {\n if (error instanceof Error) {\n const errorObj: { name: string; message: string; stack?: string } = {\n name: error.name,\n message: error.message,\n };\n if (debugEnabled && error.stack) {\n errorObj.stack = error.stack;\n }\n console.error(`[ERROR] ${message}`, errorObj);\n } else if (error !== undefined) {\n console.error(`[ERROR] ${message}`, sanitize(error));\n } else {\n console.error(`[ERROR] ${message}`);\n }\n}\n\n/**\n * Log warning message\n *\n * @param message - Warning message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function warn(message: string, data?: unknown): void {\n if (data !== undefined) {\n console.warn(`[WARN] ${message}`, sanitize(data));\n } else {\n console.warn(`[WARN] ${message}`);\n }\n}\n\n/**\n * Logger object with all methods\n */\nexport const logger = {\n setDebugMode,\n isDebugEnabled,\n debug,\n info,\n warn,\n error,\n sanitize,\n maskServiceId,\n};\n","/**\n * Quiz Table Parser\n *\n * Parses DITA-generated HTML quiz tables and extracts question data.\n *\n * Table Structure:\n * - Must have class \"qd-quiz\"\n * - Exactly 3 columns: Question | Answer | Detail\n * - MCQ: Detail column contains
        with options\n * - Numeric: Detail column contains tolerance number\n */\n\nimport type { ParsedQuizTable, QuizQuestion } from '../types/contracts.js';\n\n/**\n * Parse a quiz table and extract question data\n *\n * @param table - HTMLTableElement with class \"qd-quiz\"\n * @returns ParsedQuizTable with questions and any validation errors\n */\nexport function parseQuizTable(table: HTMLTableElement): ParsedQuizTable {\n const errors: string[] = [];\n const questions: QuizQuestion[] = [];\n\n // Validate table has correct class\n if (!table.classList.contains('qd-quiz')) {\n errors.push('Table must have class \"qd-quiz\"');\n return { element: table, questions, errors };\n }\n\n // Get all rows from tbody (skip thead if present)\n const rows = Array.from(table.querySelectorAll('tbody tr'));\n\n if (rows.length === 0) {\n errors.push('Quiz table has no data rows');\n return { element: table, questions, errors };\n }\n\n // Parse each row\n rows.forEach((row, index) => {\n const cells = Array.from(row.querySelectorAll('td'));\n\n // Validate row has exactly 3 columns\n if (cells.length !== 3) {\n errors.push(\n `Row ${index + 1} has ${cells.length} columns, expected 3 (Question | Answer | Detail)`,\n );\n return;\n }\n\n const questionCell = cells[0];\n const answerCell = cells[1];\n const detailCell = cells[2];\n\n if (!questionCell || !answerCell || !detailCell) {\n return;\n }\n\n // Extract question text\n const questionText = questionCell.textContent?.trim() || '';\n if (!questionText) {\n errors.push(`Row ${index + 1} has empty question text`);\n return;\n }\n\n // Extract correct answer\n const correctAnswer = answerCell.textContent?.trim() || '';\n if (!correctAnswer) {\n errors.push(`Row ${index + 1} has empty answer`);\n return;\n }\n\n // Determine question kind and extract additional data\n const olElement = detailCell.querySelector('ol');\n\n if (olElement) {\n // MCQ question - extract options from ordered list\n const options = extractMcqOptions(olElement);\n\n if (options.length === 0) {\n errors.push(`Row ${index + 1} MCQ has no options in
          `);\n return;\n }\n\n questions.push({\n text: questionText,\n kind: 'mcq',\n correctAnswer,\n options,\n });\n } else {\n // Numeric question - extract tolerance\n const toleranceText = detailCell.textContent?.trim() || '';\n const tolerance = parseFloat(toleranceText);\n\n if (isNaN(tolerance)) {\n errors.push(\n `Row ${index + 1} appears to be numeric but has invalid tolerance: \"${toleranceText}\"`,\n );\n return;\n }\n\n questions.push({\n text: questionText,\n kind: 'numeric',\n correctAnswer,\n tolerance,\n });\n }\n });\n\n return {\n element: table,\n questions,\n errors: errors.length > 0 ? errors : undefined,\n };\n}\n\n/**\n * Extract option text from MCQ ordered list\n *\n * @param ol - The
            element containing options\n * @returns Array of option strings\n */\nfunction extractMcqOptions(ol: HTMLOListElement): string[] {\n const listItems = Array.from(ol.querySelectorAll('li'));\n return listItems.map((li) => li.textContent?.trim() || '').filter((text) => text.length > 0);\n}\n\n/**\n * Find all quiz tables in the document\n *\n * @param doc - Document to search (defaults to global document)\n * @returns Array of ParsedQuizTable results\n */\nexport function findQuizTables(doc: Document = document): ParsedQuizTable[] {\n const tables = Array.from(doc.querySelectorAll('table.qd-quiz'));\n return tables.map((table) => parseQuizTable(table));\n}\n\n/**\n * Validate answer against question\n *\n * @param question - The quiz question\n * @param answer - The user's answer\n * @returns true if answer is correct\n */\nexport function validateAnswer(question: QuizQuestion, answer: string): boolean {\n if (!answer || answer.trim() === '') {\n return false;\n }\n\n const trimmedAnswer = answer.trim();\n\n if (question.kind === 'mcq') {\n // MCQ: exact match of option number (1-indexed)\n return trimmedAnswer === question.correctAnswer;\n } else {\n // Numeric: within tolerance\n const userValue = parseFloat(trimmedAnswer);\n const correctValue = parseFloat(question.correctAnswer);\n\n if (isNaN(userValue) || isNaN(correctValue)) {\n return false;\n }\n\n const tolerance = question.tolerance ?? 0;\n return Math.abs(userValue - correctValue) <= tolerance;\n }\n}\n","/**\n * Frozen Type Contracts for Sonar Quiz System\n * Version: 1.1.0 (Fixed PageCache with answers field)\n *\n * These types are FROZEN and must not be modified without version bump.\n * Any changes require migration strategy and backwards compatibility.\n *\n * Changelog:\n * - 1.1.0: Added missing `answers` field to PageCache (fixes 78 eslint-disable comments)\n * - 1.0.0: Initial contracts\n */\n\n// ============================================================================\n// CORE IDENTIFIERS\n// ============================================================================\n\n/** Release identifier format: \"MM-YYYY\" */\nexport type ReleaseId = string;\n\n/** Service ID for student identification */\nexport type ServiceId = string;\n\n/** Page identifier from DITA document */\nexport type PageId = string;\n\n/** Table identifier (16-char hash based on table structure: rows x cols + class name) */\nexport type TableId = string;\n\n/** Cell key format: \"R{row}C{col}#f:{hash}\" where hash is 8-char from normalized content */\nexport type CellKey = string;\n\n// ============================================================================\n// ENUMERATIONS\n// ============================================================================\n\n/** Page completion state */\nexport type CompletionState = 'unstarted' | 'incomplete' | 'complete';\n\n/** Question type in quiz */\nexport type QuestionKind = 'mcq' | 'numeric';\n\n// ============================================================================\n// QUIZ ENTITIES\n// ============================================================================\n\n/** Individual quiz answer with correctness */\nexport interface AnswerRecord {\n /** User's answer value */\n answer: string;\n /** Whether the answer is correct */\n success: boolean;\n /** Timestamp when answer was submitted (ISO 8601) */\n timestamp: string;\n}\n\n/** Quiz question definition */\nexport interface QuizQuestion {\n /** Question text */\n text: string;\n /** Question type */\n kind: QuestionKind;\n /** Correct answer */\n correctAnswer: string;\n /** MCQ options (for mcq type) */\n options?: string[];\n /** Numeric tolerance (for numeric type) */\n tolerance?: number;\n}\n\n// ============================================================================\n// ANALYSIS ENTITIES\n// ============================================================================\n\n/** Analysis table data */\nexport interface AnalysisData {\n /** Unique table identifier */\n tableId: TableId;\n /** Cell key to content mapping */\n cells: Record;\n /** First edit timestamp (ISO 8601) */\n firstEdited?: string;\n /** Last edit timestamp (ISO 8601) */\n lastEdited?: string;\n}\n\n// ============================================================================\n// PAGE DATA\n// ============================================================================\n\n/** Student's data for a specific page */\nexport interface PageData {\n /** Array of quiz answers */\n answers: AnswerRecord[];\n /** Calculated completion state */\n state: CompletionState;\n /** First attempt timestamp (ISO 8601) */\n firstAttempted?: string;\n /** Last attempt timestamp (ISO 8601) */\n lastAttempted?: string;\n /** Analysis table data if present */\n analysis?: AnalysisData;\n}\n\n// ============================================================================\n// STUDENT RECORD\n// ============================================================================\n\n/** Complete student progress record */\nexport interface StudentRecord {\n /** Schema version for migrations */\n schema: number;\n /** Document identifier */\n docId: string;\n /** Release version */\n release: ReleaseId;\n /** Student service ID */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Total questions attempted */\n attempted: number;\n /** Total correct answers */\n correct: number;\n /** Last update timestamp (ISO 8601) */\n updated: string;\n /** Page data by page ID */\n pages: Record;\n\n // PIN Authentication (v2)\n /** SHA-256 hash of 4-digit PIN */\n pinHash?: string;\n /** ISO 8601 timestamp when PIN was created */\n pinCreatedAt?: string;\n /** ISO 8601 timestamp when PIN was last reset */\n pinResetAt?: string;\n}\n\n// ============================================================================\n// PIN AUTHENTICATION (v2)\n// ============================================================================\n\n/** Rate limiting state for PIN attempts (stored in sessionStorage) */\nexport interface PinAttemptState {\n /** Student identifier */\n serviceId: ServiceId;\n /** Failed attempt count (0-3) */\n attempts: number;\n /** ISO 8601 timestamp when lockout expires, or null */\n lockoutUntil: string | null;\n /** ISO 8601 timestamp of last attempt */\n lastAttempt: string;\n}\n\n/** Audit trail for instructor PIN resets (stored in IndexedDB) */\nexport interface PinResetEvent {\n /** UUID v4 */\n eventId: string;\n /** Student affected */\n serviceId: ServiceId;\n /** Actor type */\n resetBy: 'instructor';\n /** ISO 8601 timestamp */\n resetAt: string;\n /** Context */\n release: ReleaseId;\n}\n\n// ============================================================================\n// SESSION MANAGEMENT\n// ============================================================================\n\n/**\n * Active session data\n *\n * Note: serviceId and release are duplicated from the storage key\n * for convenient access without requiring a storage lookup\n */\nexport interface SessionData {\n /** Student service ID (duplicated from storage key) */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Current release (duplicated from storage key) */\n release: ReleaseId;\n /** Login timestamp (ISO 8601) */\n loginTime: string;\n /** Last activity timestamp (ISO 8601) */\n lastActivity: string;\n /** Session expiry timestamp (ISO 8601) */\n expiresAt: string;\n /** Whether instructor mode is unlocked */\n instructorUnlocked: boolean;\n /** Instructor unlock timestamp (ISO 8601) */\n unlockTime?: string;\n}\n\n/**\n * Cached page state for performance\n *\n * CRITICAL FIX: Added `answers` field to fix type safety issues\n * This was missing in v1.0.0, causing 78 eslint-disable comments\n */\nexport interface PageCache {\n /** Page completion state */\n state: CompletionState;\n /** Total number of questions registered on this page */\n total: number;\n /** Number of questions answered */\n answered: number;\n /** Number of correct answers */\n correct: number;\n /** Last update timestamp (ISO 8601) */\n last?: string;\n /** Answer records (ADDED in v1.1.0) */\n answers?: AnswerRecord[];\n /** Analysis table data if present (ADDED in v1.2.0) */\n analysis?: AnalysisData;\n}\n\n/** Session cache for quick access */\nexport interface SessionCache {\n /** Aggregated totals */\n totals: {\n total: number;\n answered: number;\n correct: number;\n };\n /** Per-page cache */\n pages: Record;\n}\n\n// ============================================================================\n// INSTRUCTOR FEATURES\n// ============================================================================\n\n/** Student summary for instructor view */\nexport interface StudentSummary {\n /** Student service ID */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Questions attempted */\n attempted: number;\n /** Correct answers */\n correct: number;\n /** Success percentage */\n percentage: number;\n /** Last activity timestamp */\n lastActive: string;\n}\n\n/** Quiz results export format */\nexport interface QuizExport {\n /** Export timestamp */\n timestamp: string;\n /** Release version */\n release: ReleaseId;\n /** Document ID */\n docId: string;\n /** Student results */\n students: StudentSummary[];\n /** Detailed answers by page */\n details?: {\n pageId: PageId;\n studentId: ServiceId;\n answers: AnswerRecord[];\n }[];\n}\n\n// ============================================================================\n// DOM ENHANCEMENT\n// ============================================================================\n\n/** Quiz table parsing result */\nexport interface ParsedQuizTable {\n /** Table element reference */\n element: HTMLTableElement;\n /** Extracted questions */\n questions: QuizQuestion[];\n /** Validation errors if any */\n errors?: string[];\n}\n\n/** Analysis table parsing result */\nexport interface ParsedAnalysisTable {\n /** Table element reference */\n element: HTMLTableElement;\n /** Table identifier */\n tableId: TableId;\n /** Editable cell positions */\n editableCells: Array<{\n row: number;\n col: number;\n key: CellKey;\n }>;\n /** Validation errors if any */\n errors?: string[];\n}\n\n// ============================================================================\n// STORAGE ADAPTER\n// ============================================================================\n\n/** Storage adapter interface for data persistence */\nexport interface StorageAdapter {\n /** Initialize storage */\n init(): Promise;\n\n /** Get student record */\n getStudent(release: ReleaseId, serviceId: ServiceId): Promise;\n\n /** Save student record */\n saveStudent(record: StudentRecord): Promise;\n\n /** Get all students for a release */\n getStudentsByRelease(release: ReleaseId): Promise;\n\n /** Delete all data */\n clearAll(): Promise;\n\n /** Create backup */\n backup(record: StudentRecord): Promise;\n}\n\n// ============================================================================\n// EVENTS\n// ============================================================================\n\n/** Custom event namespace */\nexport const EVENT_NAMESPACE = 'qd';\n\n/** Event type definitions */\nexport interface QuizEvents {\n 'qd:login': { detail: SessionData };\n 'qd:logout': { detail: { serviceId: ServiceId } };\n 'qd:answer-saved': { detail: { pageId: PageId; answer: AnswerRecord } };\n 'qd:state-changed': { detail: { pageId: PageId; state: CompletionState } };\n 'qd:analysis-saved': {\n detail: { pageId: PageId; tableId: TableId; cellKey: CellKey; content: string };\n };\n 'qd:instructor-unlock': { detail: { timestamp: string } };\n 'qd:instructor-lock': { detail: { timestamp: string } };\n 'qd:data-cleared': { detail: { timestamp: string } };\n 'qd:session-expired': { detail: { timestamp: string } };\n 'qd:storage-error': { detail: { error: Error; operation: string } };\n // PIN Authentication events (v2)\n 'qd:pin-created': { detail: { serviceId: ServiceId; timestamp: string } };\n 'qd:pin-verified': { detail: { serviceId: ServiceId; timestamp: string } };\n 'qd:pin-reset': { detail: { serviceId: ServiceId; resetBy: 'instructor'; timestamp: string } };\n}\n\n// ============================================================================\n// CONSTANTS\n// ============================================================================\n\n/** Current schema version */\nexport const SCHEMA_VERSION = 2;\n\n/** Session timeout in milliseconds (30 minutes) */\nexport const SESSION_TIMEOUT_MS = 30 * 60 * 1000;\n\n/** Storage keys */\nexport const STORAGE_KEYS = {\n SESSION: 'qd/session',\n CACHE: 'qd/state',\n INSTRUCTOR: 'qd/instructor',\n PIN_ATTEMPTS: 'qd:pin-attempts',\n} as const;\n\n/** PIN authentication constants */\nexport const PIN_CONSTANTS = {\n /** Maximum failed attempts before lockout */\n MAX_ATTEMPTS: 3,\n /** Lockout duration in milliseconds (30 seconds) */\n LOCKOUT_MS: 30 * 1000,\n /** PIN length (must be exactly 4 digits) */\n PIN_LENGTH: 4,\n} as const;\n\n/** CSS classes for DOM selection */\nexport const CSS_CLASSES = {\n QUIZ_TABLE: 'qd-quiz',\n ANALYSIS_TABLE: 'qd-analysis',\n TEST_LINK: 'quizPageBtn',\n} as const;\n\n/** Element IDs */\nexport const ELEMENT_IDS = {\n STATUS_PANEL: 'qd-status',\n} as const;\n\n/**\n * CSS selectors for DOM injection points\n *\n * These are default/reference values. Actual selectors are configurable\n * via SonarQuizConfig.statusPanelContainer option.\n *\n * @see SonarQuizConfig in src/index.ts\n */\nexport const INJECTION_SELECTORS = {\n /** Default navbar container for Oxygen WebHelp templates */\n NAVBAR_CONTAINER: '.wh_top_menu_and_indexterms_link',\n} as const;\n\n/** Validation limits */\nexport const LIMITS = {\n MAX_QUESTIONS_PER_PAGE: 100,\n MAX_CELL_CONTENT_LENGTH: 500,\n MAX_NAME_LENGTH: 100,\n MAX_SERVICE_ID_LENGTH: 10,\n} as const;\n","/**\n * Session Management Service\n *\n * Handles user session lifecycle, timeout management, and instructor mode.\n * Integrates with encrypted session storage for secure session data.\n */\n\nimport type {\n SessionData,\n SessionCache,\n ServiceId,\n ReleaseId,\n StudentRecord,\n PageCache,\n PageData,\n CompletionState,\n} from '../types/contracts.js';\nimport { STORAGE_KEYS, SESSION_TIMEOUT_MS } from '../types/contracts.js';\nimport { info, warn, error } from '../utils/logger.js';\nimport { isSessionExpired } from '../utils/calculation-helpers.js';\n\n/**\n * Session Service for managing user sessions\n */\nexport class SessionService {\n /**\n * Create a new session\n *\n * @param serviceId - Student service ID\n * @param name - Student name\n * @param release - Current release ID\n * @returns Created session data\n */\n createSession(serviceId: ServiceId, name: string, release: ReleaseId): SessionData {\n const now = new Date();\n const loginTime = now.toISOString();\n const expiresAt = new Date(now.getTime() + SESSION_TIMEOUT_MS).toISOString();\n\n const session: SessionData = {\n serviceId,\n name,\n release,\n loginTime,\n lastActivity: loginTime,\n expiresAt,\n instructorUnlocked: false,\n };\n\n this.saveSession(session);\n info(`Session created for ${serviceId} (${name})`);\n\n // Emit login event\n this.emitEvent('qd:login', { serviceId, name, release, loginTime });\n\n return session;\n }\n\n /**\n * Get the current session\n *\n * @returns Session data or null if no session exists\n */\n getSession(): SessionData | null {\n try {\n const sessionData = sessionStorage.getItem(STORAGE_KEYS.SESSION);\n if (!sessionData) {\n return null;\n }\n\n const session = JSON.parse(sessionData) as SessionData;\n\n // Validate required fields\n if (!session.serviceId || !session.release || !session.expiresAt) {\n warn('Invalid session data, missing required fields');\n return null;\n }\n\n return session;\n } catch (err) {\n error('Failed to parse session data', err as Error);\n return null;\n }\n }\n\n /**\n * Update last activity time and extend session expiry\n */\n updateActivity(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n const now = new Date();\n session.lastActivity = now.toISOString();\n session.expiresAt = new Date(now.getTime() + SESSION_TIMEOUT_MS).toISOString();\n\n this.saveSession(session);\n }\n\n /**\n * Check if the current session is expired\n *\n * @returns True if session is expired or doesn't exist\n */\n isExpired(): boolean {\n const session = this.getSession();\n if (!session) {\n return true;\n }\n\n return isSessionExpired(session.expiresAt);\n }\n\n /**\n * Clear the current session\n */\n clearSession(): void {\n const session = this.getSession();\n sessionStorage.removeItem(STORAGE_KEYS.SESSION);\n sessionStorage.removeItem(STORAGE_KEYS.CACHE);\n sessionStorage.removeItem(STORAGE_KEYS.INSTRUCTOR);\n\n // Clear instructor-specific state (FR-001)\n sessionStorage.removeItem('qd/instructor/showAnswers');\n\n if (session) {\n info(`Session cleared for ${session.serviceId}`);\n\n // Emit logout event\n this.emitEvent('qd:logout', {\n serviceId: session.serviceId,\n timestamp: new Date().toISOString(),\n });\n }\n }\n\n /**\n * Unlock instructor mode\n */\n unlockInstructor(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n session.instructorUnlocked = true;\n session.unlockTime = new Date().toISOString();\n\n this.saveSession(session);\n\n info('Instructor mode unlocked');\n\n // Emit custom event\n this.emitEvent('qd:instructor-unlock', { timestamp: session.unlockTime });\n }\n\n /**\n * Lock instructor mode\n */\n lockInstructor(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n session.instructorUnlocked = false;\n delete session.unlockTime;\n\n this.saveSession(session);\n\n info('Instructor mode locked');\n\n // Emit custom event\n this.emitEvent('qd:instructor-lock', { timestamp: new Date().toISOString() });\n }\n\n /**\n * Check if instructor mode is unlocked\n *\n * @returns True if instructor mode is unlocked\n */\n isInstructorUnlocked(): boolean {\n const session = this.getSession();\n return session?.instructorUnlocked === true;\n }\n\n /**\n * Get session cache from sessionStorage\n *\n * @returns Session cache or null if not found\n */\n getCache(): SessionCache | null {\n try {\n const cacheData = sessionStorage.getItem(STORAGE_KEYS.CACHE);\n if (!cacheData) {\n return null;\n }\n\n return JSON.parse(cacheData) as SessionCache;\n } catch (err) {\n error('Failed to parse cache data', err);\n return null;\n }\n }\n\n /**\n * Save session cache to sessionStorage\n *\n * @param cache - Cache data to save\n */\n saveCache(cache: SessionCache): void {\n try {\n sessionStorage.setItem(STORAGE_KEYS.CACHE, JSON.stringify(cache));\n } catch (err) {\n error('Failed to save cache', err);\n }\n }\n\n /**\n * Clear the session cache\n */\n clearCache(): void {\n sessionStorage.removeItem(STORAGE_KEYS.CACHE);\n }\n\n /**\n * Save session to sessionStorage\n *\n * @param session - Session data to save\n */\n private saveSession(session: SessionData): void {\n try {\n sessionStorage.setItem(STORAGE_KEYS.SESSION, JSON.stringify(session));\n } catch (err) {\n error('Failed to save session', err);\n }\n }\n\n /**\n * Emit a custom event\n *\n * @param eventName - Name of the event\n * @param detail - Event detail data\n */\n private emitEvent(eventName: string, detail: unknown): void {\n try {\n const event = new CustomEvent(eventName, { detail, bubbles: true });\n document.dispatchEvent(event);\n } catch (err) {\n error(`Failed to emit event ${eventName}`, err);\n }\n }\n}\n\n// ============================================================================\n// CACHE BUILDING UTILITIES\n// ============================================================================\n\n/**\n * Build session cache from a student record\n *\n * This creates a SessionCache structure that provides quick access to\n * page states and totals without querying IndexedDB.\n *\n * @param record - Student record to build cache from\n * @returns Session cache with totals and page entries\n */\nexport function buildCacheFromRecord(record: StudentRecord): SessionCache {\n const cache: SessionCache = {\n totals: {\n total: 0,\n answered: 0,\n correct: 0,\n },\n pages: {},\n };\n\n // Build cache entry for each page\n for (const [pageId, pageData] of Object.entries(record.pages)) {\n const pageCache = buildPageCache(pageId, pageData);\n cache.pages[pageId] = pageCache;\n\n // Accumulate totals\n cache.totals.total += pageCache.total;\n cache.totals.answered += pageCache.answered;\n cache.totals.correct += pageCache.correct;\n }\n\n return cache;\n}\n\n/**\n * Build a page cache entry from page data\n *\n * @param _pageId - Page identifier (unused, kept for API consistency)\n * @param pageData - Page data from student record\n * @returns Page cache entry\n */\nexport function buildPageCache(_pageId: string, pageData: PageData): PageCache {\n // Total is the length of answers array (includes empty/placeholder answers)\n const total = pageData.answers.length;\n const answered = pageData.answers.filter((a) => a.answer.trim() !== '').length;\n const correct = pageData.answers.filter((a) => a.success).length;\n\n return {\n state: pageData.state,\n total,\n answered,\n correct,\n last: pageData.lastAttempted,\n answers: pageData.answers,\n analysis: pageData.analysis, // Preserve analysis data from analysis tables\n };\n}\n\n/**\n * Register page questions in cache\n *\n * Called when a quiz page loads to register the total number of questions.\n * This ensures the status panel shows total registered questions, not just answered.\n *\n * @param cache - Current cache to update\n * @param pageId - Page identifier\n * @param totalQuestions - Total number of questions on the page\n * @returns Updated cache\n */\nexport function registerPageQuestions(\n cache: SessionCache,\n pageId: string,\n totalQuestions: number,\n): SessionCache {\n // Get existing page cache or create new one\n const existingPage = cache.pages[pageId];\n\n // If page already registered with same or higher total, don't update\n if (existingPage && existingPage.total >= totalQuestions) {\n return cache;\n }\n\n // Calculate delta for totals update\n const oldTotal = existingPage?.total || 0;\n const delta = totalQuestions - oldTotal;\n\n // Create/update page entry\n const updatedPage: PageCache = {\n state: existingPage?.state || ('unstarted' as const),\n total: totalQuestions,\n answered: existingPage?.answered || 0,\n correct: existingPage?.correct || 0,\n last: existingPage?.last,\n answers: existingPage?.answers,\n analysis: existingPage?.analysis,\n };\n\n return {\n totals: {\n total: cache.totals.total + delta,\n answered: cache.totals.answered,\n correct: cache.totals.correct,\n },\n pages: {\n ...cache.pages,\n [pageId]: updatedPage,\n },\n };\n}\n\n/**\n * Update cache with a new answer\n *\n * This incrementally updates the cache when a new answer is submitted,\n * avoiding the need to rebuild the entire cache.\n *\n * @param cache - Current cache to update\n * @param pageId - Page where answer was submitted\n * @param isCorrect - Whether the answer is correct\n * @param newState - New completion state for the page\n * @returns Updated cache\n */\nexport function updateCacheWithAnswer(\n cache: SessionCache,\n pageId: string,\n isCorrect: boolean,\n newState: CompletionState,\n): SessionCache {\n const now = new Date().toISOString();\n\n // Get or create page entry\n const pageCache = cache.pages[pageId] || {\n state: 'incomplete' as const,\n total: 0,\n answered: 0,\n correct: 0,\n };\n\n // Update page counts\n const updatedPage: PageCache = {\n ...pageCache,\n state: newState,\n answered: pageCache.answered + 1,\n correct: pageCache.correct + (isCorrect ? 1 : 0),\n last: now,\n };\n\n // Update totals\n const updatedTotals = {\n total: cache.totals.total,\n answered: cache.totals.answered + 1,\n correct: cache.totals.correct + (isCorrect ? 1 : 0),\n };\n\n return {\n totals: updatedTotals,\n pages: {\n ...cache.pages,\n [pageId]: updatedPage,\n },\n };\n}\n\n// ============================================================================\n// SINGLETON PATTERN\n// ============================================================================\n\n/**\n * Create and return a singleton instance of the session service\n */\nlet sessionInstance: SessionService | null = null;\n\nexport function getSessionService(): SessionService {\n if (!sessionInstance) {\n sessionInstance = new SessionService();\n }\n return sessionInstance;\n}\n\n/**\n * Reset the singleton instance (useful for testing)\n */\nexport function resetSessionService(): void {\n sessionInstance = null;\n}\n","/**\n * Calculation Helpers\n *\n * Pure functions for status indicators, percentages, and totals.\n * Feature: 007-lit-component-refactor\n *\n * These functions have no side effects and no DOM dependencies,\n * making them easy to unit test.\n */\n\nimport type { PageData, PageId } from '../types/contracts';\n\n/**\n * Status indicator values for R/A/G progress display.\n */\nexport type StatusIndicator = 'red' | 'amber' | 'green';\n\n/**\n * Calculates R/A/G status indicator from quiz totals.\n *\n * @param total - Total number of questions\n * @param correct - Number of correct answers\n * @returns 'green' if all correct, 'red' if none, 'amber' otherwise\n */\nexport function calculateStatusIndicator(total: number, correct: number): StatusIndicator {\n if (total === 0 || correct === 0) {\n return 'red';\n }\n if (correct === total) {\n return 'green';\n }\n return 'amber';\n}\n\n/**\n * Calculates percentage with safe division.\n *\n * @param correct - Numerator (correct count)\n * @param attempted - Denominator (attempted count)\n * @returns Rounded percentage (0 if attempted is 0)\n */\nexport function calculatePercentage(correct: number, attempted: number): number {\n if (attempted === 0) {\n return 0;\n }\n return Math.round((correct / attempted) * 100);\n}\n\n/**\n * Totals calculated from page data.\n */\nexport interface RecalculatedTotals {\n attempted: number;\n correct: number;\n}\n\n/**\n * Recalculates totals from all pages in a student record.\n * Only counts answers with non-empty answer strings (excludes placeholder entries).\n *\n * @param pages - Record of page ID to page data\n * @returns Aggregated attempted and correct counts\n */\nexport function recalculateTotalsFromPages(pages: Record): RecalculatedTotals {\n let attempted = 0;\n let correct = 0;\n\n for (const pageId in pages) {\n const pageData = pages[pageId];\n if (pageData && pageData.answers && Array.isArray(pageData.answers)) {\n // Filter to only non-empty answers (matches storage-service.ts behavior)\n const answered = pageData.answers.filter((a) => a.answer.trim() !== '');\n attempted += answered.length;\n correct += answered.filter((a) => a.success).length;\n }\n }\n\n return { attempted, correct };\n}\n\n/**\n * Checks if a session has expired.\n *\n * @param expiresAt - ISO 8601 expiration timestamp\n * @param now - Current time (defaults to new Date())\n * @returns True if session has expired\n */\nexport function isSessionExpired(expiresAt: string, now: Date = new Date()): boolean {\n const expiryDate = new Date(expiresAt);\n // Invalid date -> treat as expired\n if (isNaN(expiryDate.getTime())) {\n return true;\n }\n return now >= expiryDate;\n}\n\n/**\n * Masks a service ID for display (shows last N digits).\n *\n * @param serviceId - Full service ID\n * @param visibleDigits - Number of digits to show (default 4)\n * @returns Masked string like \"...1234\"\n */\nexport function maskServiceId(serviceId: string, visibleDigits: number = 4): string {\n if (!serviceId) {\n return '';\n }\n if (serviceId.length <= visibleDigits) {\n return serviceId;\n }\n if (visibleDigits === 0) {\n return '...';\n }\n return '...' + serviceId.slice(-visibleDigits);\n}\n","/**\n * Date formatting utilities for consistent timestamp display across the application.\n * Provides both display formatting (24-hour, month/date/time) and CSV export formatting (ISO 8601).\n */\n\n/**\n * Format options for timestamp display\n */\nexport type TimestampFormat = 'display' | 'csv';\n\n/**\n * Format a date for display in the instructor interface\n * @param date - Date to format\n * @returns Formatted string in \"Nov 19 14:23\" or \"11/19 14:23:45\" format (24-hour time)\n */\nfunction formatDisplayTimestamp(date: Date): string {\n // Use short month name format: \"Nov 19 14:23\"\n const month = date.toLocaleDateString('en-US', { month: 'short' });\n const day = date.getDate();\n const hours = date.getHours().toString().padStart(2, '0');\n const minutes = date.getMinutes().toString().padStart(2, '0');\n\n return `${month} ${day} ${hours}:${minutes}`;\n}\n\n/**\n * Format a date for CSV export\n * @param date - Date to format\n * @returns ISO 8601 formatted string for spreadsheet compatibility\n */\nfunction formatCSVTimestamp(date: Date): string {\n return date.toISOString();\n}\n\n/**\n * Main timestamp formatting function\n * @param date - Date to format (can be Date object or ISO string)\n * @param format - Format type ('display' for UI, 'csv' for export)\n * @returns Formatted timestamp string\n */\nexport function formatTimestamp(date: Date | string, format: TimestampFormat = 'display'): string {\n // Handle null/undefined\n if (date == null) {\n console.warn('Invalid date provided to formatTimestamp:', date);\n return 'Invalid Date';\n }\n\n const dateObj = typeof date === 'string' ? new Date(date) : date;\n\n // Validate date\n if (isNaN(dateObj.getTime())) {\n console.warn('Invalid date provided to formatTimestamp:', date);\n return 'Invalid Date';\n }\n\n return format === 'csv' ? formatCSVTimestamp(dateObj) : formatDisplayTimestamp(dateObj);\n}\n\n/**\n * Parse an ISO 8601 timestamp from storage and format for display\n * @param isoString - ISO 8601 timestamp string from IndexedDB\n * @returns Formatted display string\n */\nexport function formatStoredTimestamp(isoString: string): string {\n return formatTimestamp(isoString, 'display');\n}\n\n/**\n * Get current timestamp in ISO 8601 format for storage\n * @returns Current time as ISO 8601 string\n */\nexport function getCurrentTimestamp(): string {\n return new Date().toISOString();\n}\n","/**\n * Debouncer utility for delaying function execution\n *\n * Provides centralized debounce timer management, replacing the WeakMap pattern\n * used in the original implementation. Saves ~22 lines of duplicated code.\n *\n * @example\n * ```typescript\n * const debouncer = new Debouncer();\n *\n * // Debounce save operation\n * function handleInput(value: string) {\n * debouncer.debounce('save-answer', () => {\n * saveToDatabase(value);\n * }, 200);\n * }\n * ```\n */\n\n/**\n * Debouncer class for managing delayed function calls\n *\n * Maintains a map of timers indexed by key, allowing multiple independent\n * debounced operations.\n */\nexport class Debouncer {\n private timers = new Map>();\n\n /**\n * Debounce a function call\n *\n * If called multiple times with the same key, only the last call will execute\n * after the delay period.\n *\n * @param key - Unique identifier for this debounced operation\n * @param fn - Function to execute after delay\n * @param delay - Delay in milliseconds (default: 200ms)\n *\n * @example\n * ```typescript\n * const debouncer = new Debouncer();\n *\n * // Called multiple times rapidly\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * // Only logs \"Saved!\" once after 500ms\n * ```\n */\n debounce(key: string, fn: () => void, delay = 200): void {\n // Cancel existing timer if present\n const existing = this.timers.get(key);\n if (existing !== undefined) {\n clearTimeout(existing);\n }\n\n // Set new timer\n const timer = setTimeout(() => {\n this.timers.delete(key);\n fn();\n }, delay);\n\n this.timers.set(key, timer);\n }\n\n /**\n * Cancel a specific debounced operation\n *\n * @param key - Key of the operation to cancel\n * @returns true if a timer was cancelled, false if no timer existed\n */\n cancel(key: string): boolean {\n const timer = this.timers.get(key);\n if (timer !== undefined) {\n clearTimeout(timer);\n this.timers.delete(key);\n return true;\n }\n return false;\n }\n\n /**\n * Cancel all pending debounced operations\n *\n * @returns Number of timers that were cancelled\n */\n cancelAll(): number {\n let count = 0;\n for (const timer of this.timers.values()) {\n clearTimeout(timer);\n count++;\n }\n this.timers.clear();\n return count;\n }\n\n /**\n * Check if a debounced operation is pending\n *\n * @param key - Key to check\n * @returns true if a timer is active for this key\n */\n isPending(key: string): boolean {\n return this.timers.has(key);\n }\n\n /**\n * Get count of pending operations\n *\n * @returns Number of active timers\n */\n getPendingCount(): number {\n return this.timers.size;\n }\n}\n","/**\n * DOM helper utilities\n *\n * Provides type-safe DOM query and manipulation helpers, eliminating\n * repetitive querySelector patterns. Saves ~80 lines of duplicated code.\n *\n * All functions use textContent instead of innerHTML to prevent XSS vulnerabilities.\n */\n\n/**\n * Get all rows from a table body\n *\n * @param table - Table element\n * @returns Array of table row elements\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-quiz');\n * if (table instanceof HTMLTableElement) {\n * const rows = getTableRows(table);\n * console.log(`Table has ${rows.length} rows`);\n * }\n * ```\n */\nexport function getTableRows(table: HTMLTableElement): HTMLTableRowElement[] {\n const tbody = table.querySelector('tbody');\n if (!tbody) {\n return [];\n }\n return Array.from(tbody.querySelectorAll('tr'));\n}\n\n/**\n * Get all cells from a table row\n *\n * @param row - Table row element\n * @returns Array of table cell elements\n *\n * @example\n * ```typescript\n * const row = table.querySelector('tr');\n * if (row instanceof HTMLTableRowElement) {\n * const cells = getRowCells(row);\n * console.log(`Row has ${cells.length} cells`);\n * }\n * ```\n */\nexport function getRowCells(row: HTMLTableRowElement): HTMLTableCellElement[] {\n return Array.from(row.cells);\n}\n\n/**\n * Get trimmed text content from an element\n *\n * Returns empty string if element is null or has no text content.\n *\n * @param element - Element to get text from\n * @returns Trimmed text content\n *\n * @example\n * ```typescript\n * const cell = row.cells[0];\n * const text = getTextContent(cell);\n * console.log('Cell text:', text);\n * ```\n */\nexport function getTextContent(element: Element | null): string {\n if (!element) {\n return '';\n }\n return element.textContent?.trim() || '';\n}\n\n/**\n * Set text content on an element (XSS-safe)\n *\n * Uses textContent instead of innerHTML to prevent XSS attacks.\n *\n * @param element - Element to set text on\n * @param text - Text content to set\n *\n * @example\n * ```typescript\n * const div = document.createElement('div');\n * setTextContent(div, 'Safe text content');\n * ```\n */\nexport function setTextContent(element: Element, text: string): void {\n element.textContent = text;\n}\n\n/**\n * Create an element with optional text and class name (XSS-safe)\n *\n * Uses textContent instead of innerHTML for XSS protection.\n *\n * @param tag - HTML tag name\n * @param text - Optional text content\n * @param className - Optional class name\n * @returns Created element\n *\n * @example\n * ```typescript\n * const div = createElement('div', 'Hello, World!', 'greeting');\n * document.body.appendChild(div);\n * ```\n */\nexport function createElement(\n tag: K,\n text?: string,\n className?: string,\n): HTMLElementTagNameMap[K] {\n const element = document.createElement(tag);\n\n if (text !== undefined) {\n element.textContent = text;\n }\n\n if (className !== undefined) {\n element.className = className;\n }\n\n return element;\n}\n\n/**\n * Create multiple child elements and append to parent (XSS-safe)\n *\n * @param parent - Parent element\n * @param children - Array of child elements to append\n *\n * @example\n * ```typescript\n * const div = createElement('div');\n * appendChildren(div, [\n * createElement('span', 'First'),\n * createElement('span', 'Second'),\n * ]);\n * ```\n */\nexport function appendChildren(parent: Element, children: Element[]): void {\n for (const child of children) {\n parent.appendChild(child);\n }\n}\n\n/**\n * Query selector with type safety\n *\n * @param selector - CSS selector\n * @param parent - Parent element (default: document)\n * @returns Element or null\n *\n * @example\n * ```typescript\n * const table = querySelector('table.qd-quiz');\n * if (table) {\n * const rows = getTableRows(table);\n * }\n * ```\n */\nexport function querySelector(\n selector: string,\n parent: ParentNode = document,\n): T | null {\n return parent.querySelector(selector);\n}\n\n/**\n * Query selector all with type safety\n *\n * @param selector - CSS selector\n * @param parent - Parent element (default: document)\n * @returns Array of elements\n *\n * @example\n * ```typescript\n * const tables = querySelectorAll('table.qd-quiz');\n * console.log(`Found ${tables.length} quiz tables`);\n * ```\n */\nexport function querySelectorAll(\n selector: string,\n parent: ParentNode = document,\n): T[] {\n return Array.from(parent.querySelectorAll(selector));\n}\n\n/**\n * Get element by ID with type safety\n *\n * @param id - Element ID\n * @returns Element or null\n *\n * @example\n * ```typescript\n * const status = getElementById('qd-status');\n * if (status) {\n * status.style.display = 'block';\n * }\n * ```\n */\nexport function getElementById(id: string): T | null {\n const element = document.getElementById(id);\n return element as T | null;\n}\n\n/**\n * Remove all children from an element\n *\n * @param element - Element to clear\n *\n * @example\n * ```typescript\n * const container = getElementById('results');\n * if (container) {\n * removeAllChildren(container);\n * }\n * ```\n */\nexport function removeAllChildren(element: Element): void {\n while (element.firstChild) {\n element.removeChild(element.firstChild);\n }\n}\n\n/**\n * Replace all children of an element with new children\n *\n * @param element - Element to update\n * @param children - New children to add\n *\n * @example\n * ```typescript\n * const container = getElementById('results');\n * if (container) {\n * replaceChildren(container, [\n * createElement('div', 'Result 1'),\n * createElement('div', 'Result 2'),\n * ]);\n * }\n * ```\n */\nexport function replaceChildren(element: Element, children: Element[]): void {\n removeAllChildren(element);\n appendChildren(element, children);\n}\n\n/**\n * Check if element has a specific class\n *\n * @param element - Element to check\n * @param className - Class name to look for\n * @returns true if element has the class\n */\nexport function hasClass(element: Element, className: string): boolean {\n return element.classList.contains(className);\n}\n\n/**\n * Add one or more classes to an element\n *\n * @param element - Element to modify\n * @param classNames - Class names to add\n */\nexport function addClass(element: Element, ...classNames: string[]): void {\n element.classList.add(...classNames);\n}\n\n/**\n * Remove one or more classes from an element\n *\n * @param element - Element to modify\n * @param classNames - Class names to remove\n */\nexport function removeClass(element: Element, ...classNames: string[]): void {\n element.classList.remove(...classNames);\n}\n\n/**\n * Toggle a class on an element\n *\n * @param element - Element to modify\n * @param className - Class name to toggle\n * @returns true if class was added, false if removed\n */\nexport function toggleClass(element: Element, className: string): boolean {\n return element.classList.toggle(className);\n}\n","/**\n * Event helper utilities\n *\n * Provides type-safe custom event emission and handling, with consistent\n * configuration for bubbling and composition. Saves ~8 lines per event emission.\n */\n\nimport type { QuizEvents } from '../types/contracts.js';\n\n/**\n * Emit a custom event on the document\n *\n * Events bubble by default and are composed (cross shadow DOM boundaries).\n *\n * @param name - Event name (should use 'qd:' namespace)\n * @param detail - Event detail data\n * @param options - Optional event configuration\n *\n * @example\n * ```typescript\n * // Emit login event\n * emitCustomEvent('qd:login', {\n * serviceId: 'RN2344',\n * name: 'John Doe',\n * loginTime: new Date().toISOString(),\n * });\n * ```\n */\nexport function emitCustomEvent(\n name: K,\n detail: QuizEvents[K]['detail'],\n options?: {\n bubbles?: boolean;\n composed?: boolean;\n cancelable?: boolean;\n },\n): boolean {\n const event = new CustomEvent(name, {\n detail,\n bubbles: options?.bubbles ?? true,\n composed: options?.composed ?? true,\n cancelable: options?.cancelable ?? false,\n });\n\n return document.dispatchEvent(event);\n}\n\n/**\n * Add event listener for custom event\n *\n * @param name - Event name\n * @param handler - Event handler function\n * @param options - Optional event listener options\n *\n * @example\n * ```typescript\n * // Listen for login events\n * const unsubscribe = addEventListener('qd:login', (event) => {\n * console.log('User logged in:', event.detail.serviceId);\n * });\n *\n * // Later: remove listener\n * unsubscribe();\n * ```\n */\nexport function addEventListener(\n name: K,\n handler: (event: CustomEvent) => void,\n options?: AddEventListenerOptions,\n): () => void {\n const listener = handler as EventListener;\n document.addEventListener(name, listener, options);\n\n // Return unsubscribe function\n return () => {\n document.removeEventListener(name, listener, options);\n };\n}\n\n/**\n * Remove event listener for custom event\n *\n * @param name - Event name\n * @param handler - Event handler function\n * @param options - Optional event listener options\n *\n * @example\n * ```typescript\n * function handleLogin(event) {\n * console.log('Logged in:', event.detail.serviceId);\n * }\n *\n * addEventListener('qd:login', handleLogin);\n * // Later...\n * removeEventListener('qd:login', handleLogin);\n * ```\n */\nexport function removeEventListener(\n name: K,\n handler: (event: CustomEvent) => void,\n options?: EventListenerOptions,\n): void {\n const listener = handler as EventListener;\n document.removeEventListener(name, listener, options);\n}\n\n/**\n * Add one-time event listener that auto-removes after first trigger\n *\n * @param name - Event name\n * @param handler - Event handler function\n *\n * @example\n * ```typescript\n * // Wait for login, then perform action once\n * addEventListenerOnce('qd:login', (event) => {\n * console.log('First login detected');\n * });\n * ```\n */\nexport function addEventListenerOnce(\n name: K,\n handler: (event: CustomEvent) => void,\n): void {\n const listener = handler as EventListener;\n document.addEventListener(name, listener, { once: true });\n}\n\n/**\n * Wait for a specific event to occur\n *\n * Returns a promise that resolves when the event is emitted.\n *\n * @param name - Event name to wait for\n * @param timeout - Optional timeout in milliseconds\n * @returns Promise that resolves with event detail\n *\n * @example\n * ```typescript\n * // Wait for login\n * const session = await waitForEvent('qd:login', 5000);\n * console.log('User logged in:', session.serviceId);\n * ```\n */\nexport function waitForEvent(\n name: K,\n timeout?: number,\n): Promise {\n return new Promise((resolve, reject) => {\n let timeoutId: ReturnType | undefined;\n\n const handler = (event: Event) => {\n if (timeoutId !== undefined) {\n clearTimeout(timeoutId);\n }\n const customEvent = event as CustomEvent;\n resolve(customEvent.detail);\n };\n\n document.addEventListener(name, handler, { once: true });\n\n if (timeout !== undefined) {\n timeoutId = setTimeout(() => {\n document.removeEventListener(name, handler);\n reject(new Error(`Timeout waiting for event: ${name}`));\n }, timeout);\n }\n });\n}\n\n/**\n * Dispatch event on a specific element\n *\n * @param element - Element to dispatch event on\n * @param name - Event name\n * @param detail - Event detail\n * @param options - Optional event configuration\n *\n * @example\n * ```typescript\n * const button = document.querySelector('button');\n * if (button) {\n * dispatchEventOn(button, 'qd:custom', { data: 'test' });\n * }\n * ```\n */\nexport function dispatchEventOn(\n element: Element,\n name: string,\n detail: T,\n options?: {\n bubbles?: boolean;\n composed?: boolean;\n cancelable?: boolean;\n },\n): boolean {\n const event = new CustomEvent(name, {\n detail,\n bubbles: options?.bubbles ?? true,\n composed: options?.composed ?? true,\n cancelable: options?.cancelable ?? false,\n });\n\n return element.dispatchEvent(event);\n}\n","/**\n * Storage helper utilities\n *\n * Provides type-safe JSON storage operations for sessionStorage,\n * replacing repetitive try-catch JSON.parse patterns. Saves ~54 lines\n * of duplicated code.\n */\n\nimport { warn } from './logger.js';\n\n/**\n * Get and parse JSON data from sessionStorage\n *\n * @param key - Storage key\n * @returns Parsed object of type T, or null if not found or invalid\n *\n * @example\n * ```typescript\n * interface SessionData {\n * userId: string;\n * loginTime: string;\n * }\n *\n * const session = getJSON('qd/session');\n * if (session) {\n * console.log('User ID:', session.userId);\n * }\n * ```\n */\nexport function getJSON(key: string): T | null {\n try {\n const data = sessionStorage.getItem(key);\n if (!data) {\n return null;\n }\n return JSON.parse(data) as T;\n } catch (error) {\n warn(`Failed to parse JSON from sessionStorage key: ${key}`, error);\n return null;\n }\n}\n\n/**\n * Stringify and store JSON data in sessionStorage\n *\n * @param key - Storage key\n * @param value - Data to store\n * @returns true if successful, false if failed\n *\n * @example\n * ```typescript\n * const session = {\n * userId: 'RN2344',\n * loginTime: new Date().toISOString(),\n * };\n *\n * setJSON('qd/session', session);\n * ```\n */\nexport function setJSON(key: string, value: T): boolean {\n try {\n const json = JSON.stringify(value);\n sessionStorage.setItem(key, json);\n return true;\n } catch (error) {\n warn(`Failed to store JSON in sessionStorage key: ${key}`, error);\n return false;\n }\n}\n\n/**\n * Remove item from sessionStorage\n *\n * @param key - Storage key to remove\n */\nexport function removeItem(key: string): void {\n sessionStorage.removeItem(key);\n}\n\n/**\n * Check if key exists in sessionStorage\n *\n * @param key - Storage key to check\n * @returns true if key exists\n */\nexport function hasItem(key: string): boolean {\n return sessionStorage.getItem(key) !== null;\n}\n\n/**\n * Clear all quiz data from sessionStorage\n *\n * Only removes keys with 'qd/' prefix, leaving other data intact.\n *\n * @returns Number of items cleared\n *\n * @example\n * ```typescript\n * // Clear all quiz-related session data\n * const cleared = clearQuizData();\n * console.log(`Cleared ${cleared} items`);\n * ```\n */\nexport function clearQuizData(): number {\n const keysToRemove: string[] = [];\n\n // Find all keys with 'qd/' prefix\n for (let i = 0; i < sessionStorage.length; i++) {\n const key = sessionStorage.key(i);\n if (key && key.startsWith('qd/')) {\n keysToRemove.push(key);\n }\n }\n\n // Remove found keys\n for (const key of keysToRemove) {\n sessionStorage.removeItem(key);\n }\n\n return keysToRemove.length;\n}\n\n/**\n * Get all quiz data keys from sessionStorage\n *\n * @returns Array of keys with 'qd/' prefix\n */\nexport function getQuizDataKeys(): string[] {\n const keys: string[] = [];\n\n for (let i = 0; i < sessionStorage.length; i++) {\n const key = sessionStorage.key(i);\n if (key && key.startsWith('qd/')) {\n keys.push(key);\n }\n }\n\n return keys;\n}\n\n/**\n * Clear all sessionStorage data\n *\n * Use with caution - clears everything, not just quiz data.\n */\nexport function clearAll(): void {\n sessionStorage.clear();\n}\n","/**\n * Storage Adapter Utilities\n *\n * Provides utility functions for working with storage keys, validation,\n * and error types for the storage layer.\n *\n * Storage Key Format: qd/{release}/u{serviceId}\n * Example: qd/11-2024/uRN2344\n */\n\nimport type { StudentRecord, ReleaseId, ServiceId } from '../../types/contracts.js';\nimport { error as logError } from '../../utils/logger.js';\n\n/**\n * Generate storage key for a student record\n *\n * Format: qd/{release}/u{serviceId}\n *\n * @param release - Release identifier (e.g., \"01-2025\")\n * @param serviceId - Service ID (e.g., \"RN2344\")\n * @returns Storage key string\n *\n * @example\n * ```typescript\n * const key = getStorageKey('11-2024', 'RN2344');\n * // Returns: \"qd/11-2024/uRN2344\"\n * ```\n */\nexport function getStorageKey(release: ReleaseId, serviceId: ServiceId): string {\n return `qd/${release}/u${serviceId}`;\n}\n\n/**\n * Parse a storage key back into its components\n *\n * @param key - Storage key to parse\n * @returns Object with release and serviceId, or null if invalid\n *\n * @example\n * ```typescript\n * const parts = parseStorageKey('qd/11-2024/uRN2344');\n * // Returns: { release: '11-2024', serviceId: 'RN2344' }\n * ```\n */\nexport function parseStorageKey(key: string): { release: ReleaseId; serviceId: ServiceId } | null {\n const match = key.match(/^qd\\/([^/]+)\\/u(.+)$/);\n if (!match || !match[1] || !match[2]) {\n return null;\n }\n return {\n release: match[1],\n serviceId: match[2],\n };\n}\n\n/**\n * Validate release ID format (MM-YYYY)\n *\n * @param release - Release ID to validate\n * @returns True if valid, false otherwise\n *\n * @example\n * ```typescript\n * isValidReleaseId('11-2024'); // true\n * isValidReleaseId('2024-11'); // false\n * isValidReleaseId('13-2024'); // false (month > 12)\n * ```\n */\nexport function isValidReleaseId(release: string): boolean {\n const match = release.match(/^(\\d{2})-(\\d{4})$/);\n if (!match || !match[1] || !match[2]) {\n return false;\n }\n\n // Validate month range (01-12)\n const month = parseInt(match[1], 10);\n return month >= 1 && month <= 12;\n}\n\n/**\n * Validate service ID format (2-10 alphanumeric characters)\n *\n * @param serviceId - Service ID to validate\n * @returns True if valid, false otherwise\n *\n * @example\n * ```typescript\n * isValidServiceId('RN2344'); // true\n * isValidServiceId('AB'); // true (minimum 2 chars)\n * isValidServiceId('A'); // false (too short)\n * isValidServiceId('ABCDEFGHIJK'); // false (too long)\n * ```\n */\nexport function isValidServiceId(serviceId: string): boolean {\n return /^[A-Za-z0-9]{2,10}$/.test(serviceId);\n}\n\n/**\n * Create a default empty StudentRecord\n *\n * @param release - Release identifier\n * @param serviceId - Service identifier\n * @param name - Student name\n * @param docId - Document identifier\n * @returns New StudentRecord with default values\n *\n * @example\n * ```typescript\n * const record = createEmptyStudentRecord('11-2024', 'RN2344', 'Alice Student', 'doc-123');\n * // Returns StudentRecord with empty pages, 0 scores, current timestamp\n * ```\n */\nexport function createEmptyStudentRecord(\n release: ReleaseId,\n serviceId: ServiceId,\n name: string,\n docId: string,\n): StudentRecord {\n return {\n schema: 1,\n docId,\n release,\n serviceId,\n name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n}\n\n/**\n * Storage adapter error types\n */\nexport class StorageError extends Error {\n constructor(\n message: string,\n public readonly operation: string,\n public readonly cause?: Error,\n ) {\n super(message);\n this.name = 'StorageError';\n\n // Log error for debugging\n if (cause) {\n logError(`Storage error in ${operation}: ${message}`, cause);\n } else {\n logError(`Storage error in ${operation}: ${message}`);\n }\n }\n}\n\n/**\n * Error thrown when storage is not initialized\n */\nexport class StorageNotInitializedError extends StorageError {\n constructor(operation: string) {\n super('Storage adapter not initialized. Call init() first.', operation);\n this.name = 'StorageNotInitializedError';\n }\n}\n\n/**\n * Error thrown when a storage operation times out\n */\nexport class StorageTimeoutError extends StorageError {\n constructor(operation: string, timeout: number) {\n super(`Storage operation timed out after ${timeout}ms`, operation);\n this.name = 'StorageTimeoutError';\n }\n}\n\n/**\n * Error thrown when storage quota is exceeded\n */\nexport class StorageQuotaError extends StorageError {\n constructor(operation: string) {\n super('Storage quota exceeded. Please clear old data or free up space.', operation);\n this.name = 'StorageQuotaError';\n }\n}\n","/**\n * IndexedDB Storage Adapter Implementation\n *\n * Provides persistent storage for student records using browser IndexedDB.\n * Implements atomic transactions and proper error handling.\n *\n * Database: Configured via #qd-db-name element (REQUIRED)\n * Stores: students (main data), backups (backup copies)\n * Keys: qd/{release}/u{serviceId}\n */\n\nimport type {\n StorageAdapter,\n StudentRecord,\n ReleaseId,\n ServiceId,\n PinResetEvent,\n} from '../../types/contracts.js';\nimport {\n getStorageKey,\n StorageNotInitializedError,\n StorageError,\n StorageQuotaError,\n} from './adapter-utils.js';\nimport { warn as logWarn, error as logError } from '../../utils/logger.js';\n\n// NOTE: No default database name - must be provided by caller\n\n/** Database version - increment to force schema upgrade */\nconst DB_VERSION = 3;\n\n/** Object store names */\nconst STORE_STUDENTS = 'students';\nconst STORE_BACKUPS = 'backups';\nconst STORE_AUDIT_LOG = 'auditLog';\n\n/**\n * Backup record with metadata\n */\ninterface BackupRecord extends StudentRecord {\n /** Original storage key */\n originalKey: string;\n /** Backup timestamp */\n timestamp: string;\n}\n\n/**\n * IndexedDB implementation of StorageAdapter\n *\n * Features:\n * - Automatic schema creation with indexes\n * - Atomic transactions\n * - Quota error handling\n * - Backup functionality\n */\nexport class IndexedDBStorageAdapter implements StorageAdapter {\n private db: IDBDatabase | null = null;\n private initPromise: Promise | null = null;\n private dbName: string;\n\n /**\n * Create a new IndexedDB storage adapter\n *\n * @param dbName - Database name (REQUIRED - no default)\n */\n constructor(dbName: string) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for IndexedDBStorageAdapter');\n }\n this.dbName = dbName;\n }\n\n /**\n * Initialize the IndexedDB database\n *\n * Creates object stores and indexes on first run.\n * Safe to call multiple times - will reuse existing connection.\n *\n * @returns Promise that resolves when database is ready\n */\n async init(): Promise {\n // Return existing initialization promise if already in progress\n if (this.initPromise) {\n return this.initPromise;\n }\n\n // If already initialized, return immediately\n if (this.db) {\n return Promise.resolve();\n }\n\n this.initPromise = new Promise((resolve, reject) => {\n // Timeout for hung database operations\n const OPEN_TIMEOUT_MS = 5000;\n let timeoutId: number | undefined;\n let resolved = false;\n\n const cleanup = () => {\n if (timeoutId) {\n clearTimeout(timeoutId);\n timeoutId = undefined;\n }\n };\n\n timeoutId = window.setTimeout(() => {\n if (resolved) return;\n resolved = true;\n this.initPromise = null;\n\n logWarn(`IndexedDB open timed out after ${OPEN_TIMEOUT_MS}ms - attempting recovery`);\n\n // Try to delete and recreate\n const deleteReq = indexedDB.deleteDatabase(this.dbName);\n deleteReq.onsuccess = () => {\n this.init().then(resolve).catch(reject);\n };\n deleteReq.onerror = () => {\n reject(\n new StorageError(\n `Database \"${this.dbName}\" appears corrupted. Please clear site data in browser settings.`,\n 'init',\n ),\n );\n };\n deleteReq.onblocked = () => {\n reject(\n new StorageError(\n `Cannot recover database - close all other tabs with this site and reload.`,\n 'init',\n ),\n );\n };\n }, OPEN_TIMEOUT_MS);\n\n const request = indexedDB.open(this.dbName, DB_VERSION);\n\n request.onerror = () => {\n if (resolved) return;\n resolved = true;\n cleanup();\n logError(`IndexedDB open error: ${request.error?.message || 'unknown'}`);\n this.initPromise = null;\n reject(new StorageError('Failed to open database', 'init', request.error as Error));\n };\n\n request.onblocked = () => {\n logWarn('IndexedDB open blocked - close other tabs with this database');\n };\n\n request.onsuccess = () => {\n if (resolved) return;\n resolved = true;\n cleanup();\n\n this.db = request.result;\n\n // Verify object stores exist - if not, database is corrupted\n if (\n !this.db.objectStoreNames.contains(STORE_STUDENTS) ||\n !this.db.objectStoreNames.contains(STORE_BACKUPS) ||\n !this.db.objectStoreNames.contains(STORE_AUDIT_LOG)\n ) {\n // Database exists but stores missing - delete and recreate\n logWarn(\n `Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(', ')}]`,\n );\n this.db.close();\n this.db = null;\n\n // Delete corrupted database\n const deleteRequest = indexedDB.deleteDatabase(this.dbName);\n deleteRequest.onsuccess = () => {\n // Retry initialization\n this.initPromise = null;\n this.init().then(resolve).catch(reject);\n };\n deleteRequest.onerror = () => {\n this.initPromise = null;\n reject(\n new StorageError(\n 'Failed to delete corrupted database',\n 'init',\n deleteRequest.error as Error,\n ),\n );\n };\n return;\n }\n\n this.initPromise = null;\n resolve();\n };\n\n request.onupgradeneeded = (event) => {\n const db = (event.target as IDBOpenDBRequest).result;\n const transaction = (event.target as IDBOpenDBRequest).transaction;\n\n if (transaction) {\n transaction.onerror = () => {\n logError(`Upgrade transaction error: ${transaction.error?.message || 'unknown'}`);\n };\n transaction.onabort = () => {\n logError(`Upgrade transaction aborted: ${transaction.error?.message || 'unknown'}`);\n };\n }\n\n try {\n // Create students object store\n if (!db.objectStoreNames.contains(STORE_STUDENTS)) {\n const studentsStore = db.createObjectStore(STORE_STUDENTS, { keyPath: null });\n studentsStore.createIndex('by-release', 'release', { unique: false });\n studentsStore.createIndex('by-service-id', 'serviceId', { unique: false });\n }\n\n // Create backups object store\n if (!db.objectStoreNames.contains(STORE_BACKUPS)) {\n const backupsStore = db.createObjectStore(STORE_BACKUPS, { keyPath: null });\n backupsStore.createIndex('by-original-key', 'originalKey', { unique: false });\n backupsStore.createIndex('by-timestamp', 'timestamp', { unique: false });\n }\n\n // Create audit log object store (v3 - PIN reset events)\n if (!db.objectStoreNames.contains(STORE_AUDIT_LOG)) {\n const auditStore = db.createObjectStore(STORE_AUDIT_LOG, {\n keyPath: 'eventId',\n });\n auditStore.createIndex('by-service-id', 'serviceId', { unique: false });\n auditStore.createIndex('by-reset-at', 'resetAt', { unique: false });\n }\n } catch (err) {\n logError('Error during database upgrade', err as Error);\n throw err;\n }\n };\n });\n\n return this.initPromise;\n }\n\n /**\n * Ensure database is initialized before operations\n *\n * @throws StorageNotInitializedError if not initialized\n * @returns Database instance\n */\n private ensureInitialized(): IDBDatabase {\n if (!this.db) {\n throw new StorageNotInitializedError('ensureInitialized');\n }\n return this.db;\n }\n\n /**\n * Get a student record by release and service ID\n *\n * @param release - Release identifier\n * @param serviceId - Service identifier\n * @returns Student record or null if not found\n */\n async getStudent(release: ReleaseId, serviceId: ServiceId): Promise {\n const db = this.ensureInitialized();\n const key = getStorageKey(release, serviceId);\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readonly');\n const store = transaction.objectStore(STORE_STUDENTS);\n const request = store.get(key);\n\n request.onsuccess = () => {\n resolve((request.result as StudentRecord | undefined) || null);\n };\n\n request.onerror = () => {\n reject(\n new StorageError('Failed to get student record', 'getStudent', request.error as Error),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to get student record', 'getStudent', error as Error));\n }\n });\n }\n\n /**\n * Save a student record\n *\n * @param record - Student record to save\n * @throws StorageQuotaError if storage quota exceeded\n */\n async saveStudent(record: StudentRecord): Promise {\n const db = this.ensureInitialized();\n const key = getStorageKey(record.release, record.serviceId);\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readwrite');\n const store = transaction.objectStore(STORE_STUDENTS);\n const request = store.put(record, key);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n // Check for quota errors\n if (request.error?.name === 'QuotaExceededError') {\n reject(new StorageQuotaError('saveStudent'));\n } else {\n reject(\n new StorageError(\n 'Failed to save student record',\n 'saveStudent',\n request.error as Error,\n ),\n );\n }\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed while saving student',\n 'saveStudent',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to save student record', 'saveStudent', error as Error));\n }\n });\n }\n\n /**\n * Get all students for a specific release\n *\n * Uses the by-release index for efficient queries.\n *\n * @param release - Release identifier\n * @returns Array of student records (empty if none found)\n */\n async getStudentsByRelease(release: ReleaseId): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readonly');\n const store = transaction.objectStore(STORE_STUDENTS);\n const index = store.index('by-release');\n const request = index.getAll(release);\n\n request.onsuccess = () => {\n resolve(request.result || []);\n };\n\n request.onerror = () => {\n reject(\n new StorageError(\n 'Failed to get students by release',\n 'getStudentsByRelease',\n request.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(\n new StorageError(\n 'Failed to get students by release',\n 'getStudentsByRelease',\n error as Error,\n ),\n );\n }\n });\n }\n\n /**\n * Clear all data from the database\n *\n * Removes both students and backups in a single atomic transaction.\n */\n async clearAll(): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(\n [STORE_STUDENTS, STORE_BACKUPS, STORE_AUDIT_LOG],\n 'readwrite',\n );\n\n const studentsStore = transaction.objectStore(STORE_STUDENTS);\n const backupsStore = transaction.objectStore(STORE_BACKUPS);\n const auditStore = transaction.objectStore(STORE_AUDIT_LOG);\n\n const clearStudentsRequest = studentsStore.clear();\n const clearBackupsRequest = backupsStore.clear();\n const clearAuditRequest = auditStore.clear();\n\n let studentsCleared = false;\n let backupsCleared = false;\n let auditCleared = false;\n\n clearStudentsRequest.onsuccess = () => {\n studentsCleared = true;\n if (backupsCleared && auditCleared) {\n resolve();\n }\n };\n\n clearBackupsRequest.onsuccess = () => {\n backupsCleared = true;\n if (studentsCleared && auditCleared) {\n resolve();\n }\n };\n\n clearAuditRequest.onsuccess = () => {\n auditCleared = true;\n if (studentsCleared && backupsCleared) {\n resolve();\n }\n };\n\n clearStudentsRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear students',\n 'clearAll',\n clearStudentsRequest.error as Error,\n ),\n );\n };\n\n clearBackupsRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear backups',\n 'clearAll',\n clearBackupsRequest.error as Error,\n ),\n );\n };\n\n clearAuditRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear audit log',\n 'clearAll',\n clearAuditRequest.error as Error,\n ),\n );\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed during clearAll',\n 'clearAll',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to clear all data', 'clearAll', error as Error));\n }\n });\n }\n\n /**\n * Create a backup of a student record\n *\n * Backup key format: backup_{timestamp}_{serviceId}\n *\n * @param record - Student record to backup\n * @throws StorageQuotaError if storage quota exceeded\n */\n async backup(record: StudentRecord): Promise {\n const db = this.ensureInitialized();\n const timestamp = new Date().toISOString();\n const backupKey = `backup_${timestamp}_${record.serviceId}`;\n const originalKey = getStorageKey(record.release, record.serviceId);\n\n const backupRecord: BackupRecord = {\n ...record,\n originalKey,\n timestamp,\n };\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_BACKUPS, 'readwrite');\n const store = transaction.objectStore(STORE_BACKUPS);\n const request = store.put(backupRecord, backupKey);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n // Check for quota errors\n if (request.error?.name === 'QuotaExceededError') {\n reject(new StorageQuotaError('backup'));\n } else {\n reject(new StorageError('Failed to create backup', 'backup', request.error as Error));\n }\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed during backup',\n 'backup',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to create backup', 'backup', error as Error));\n }\n });\n }\n\n /**\n * Save a PIN reset event to the audit log\n *\n * @param event - PIN reset event to log\n */\n async saveAuditEvent(event: PinResetEvent): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_AUDIT_LOG, 'readwrite');\n const store = transaction.objectStore(STORE_AUDIT_LOG);\n const request = store.add(event);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n reject(\n new StorageError(\n 'Failed to save audit event',\n 'saveAuditEvent',\n request.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to save audit event', 'saveAuditEvent', error as Error));\n }\n });\n }\n\n /**\n * Close the database connection\n *\n * Useful for cleanup in tests and application shutdown.\n */\n close(): void {\n if (this.db) {\n this.db.close();\n this.db = null;\n this.initPromise = null;\n }\n }\n}\n\n/**\n * Singleton storage adapter instance\n */\nlet storageInstance: IndexedDBStorageAdapter | null = null;\nlet currentDbName: string | null = null;\n\n/**\n * Get the singleton storage adapter instance\n *\n * Creates a new instance on first call, reuses it thereafter.\n * If dbName changes, closes old instance and creates new one.\n *\n * @param dbName - Database name (REQUIRED - no default)\n * @returns IndexedDB storage adapter\n */\nexport function getStorageAdapter(dbName: string): IndexedDBStorageAdapter {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for getStorageAdapter()');\n }\n\n // If dbName changed, close old instance and create new one\n if (storageInstance && currentDbName !== dbName) {\n storageInstance.close();\n storageInstance = null;\n }\n\n if (!storageInstance) {\n storageInstance = new IndexedDBStorageAdapter(dbName);\n currentDbName = dbName;\n }\n return storageInstance;\n}\n\n/**\n * Reset the singleton instance\n *\n * Useful for testing to ensure clean state between tests.\n */\nexport function resetStorageAdapter(): void {\n if (storageInstance) {\n storageInstance.close();\n storageInstance = null;\n currentDbName = null;\n }\n}\n","/**\n * Completion State Calculator\n *\n * Functions for calculating page completion states based on answer data.\n *\n * State Rules (from CLAUDE.md):\n * - unstarted: No answers provided\n * - incomplete: Some answered OR any incorrect\n * - complete: All answered AND all correct\n */\n\nimport type { AnswerRecord, CompletionState } from '../types/contracts.js';\n\n/**\n * Calculate the completion state for a page\n *\n * @param answers - Array of answer records for the page\n * @param totalQuestions - Total number of questions on the page\n * @returns Completion state (unstarted | incomplete | complete)\n *\n * @example\n * ```typescript\n * const answers = [\n * { answer: 'a', success: true, timestamp: '2024-11-16T10:00:00Z' },\n * { answer: 'b', success: false, timestamp: '2024-11-16T10:01:00Z' },\n * ];\n * const state = calculateCompletionState(answers, 3); // 'incomplete' (not all answered)\n * ```\n */\nexport function calculateCompletionState(\n answers: AnswerRecord[],\n totalQuestions: number,\n): CompletionState {\n // Handle edge case: no questions\n if (totalQuestions === 0) {\n return 'unstarted';\n }\n\n // Check if unstarted\n if (isPageUnstarted(answers)) {\n return 'unstarted';\n }\n\n // Check if complete\n if (isPageComplete(answers, totalQuestions)) {\n return 'complete';\n }\n\n // Otherwise, it's incomplete\n return 'incomplete';\n}\n\n/**\n * Check if a page is complete\n *\n * A page is complete when:\n * - All questions are answered\n * - All answered questions are correct\n *\n * @param answers - Array of answer records\n * @param totalQuestions - Total number of questions\n * @returns True if page is complete\n */\nexport function isPageComplete(answers: AnswerRecord[], totalQuestions: number): boolean {\n // Must have answered all questions\n if (answers.length !== totalQuestions) {\n return false;\n }\n\n // All answers must be correct\n return answers.every((answer) => answer.success === true);\n}\n\n/**\n * Check if a page is unstarted\n *\n * A page is unstarted when no answers have been provided.\n *\n * @param answers - Array of answer records\n * @returns True if page is unstarted\n */\nexport function isPageUnstarted(answers: AnswerRecord[]): boolean {\n return answers.length === 0;\n}\n\n/**\n * Count the number of correct answers\n *\n * @param answers - Array of answer records\n * @returns Number of correct answers\n */\nexport function countCorrectAnswers(answers: AnswerRecord[]): number {\n return answers.filter((answer) => answer.success === true).length;\n}\n\n/**\n * Calculate success percentage\n *\n * @param answers - Array of answer records\n * @param totalQuestions - Total number of questions\n * @returns Percentage of correct answers (0-100)\n *\n * @example\n * ```typescript\n * const answers = [\n * { answer: 'a', success: true, timestamp: '...' },\n * { answer: 'b', success: false, timestamp: '...' },\n * { answer: 'c', success: true, timestamp: '...' },\n * ];\n * const percentage = calculateSuccessPercentage(answers, 3); // 67 (2 out of 3 correct)\n * ```\n */\nexport function calculateSuccessPercentage(\n answers: AnswerRecord[],\n totalQuestions: number,\n): number {\n if (totalQuestions === 0) {\n return 0;\n }\n\n const correct = countCorrectAnswers(answers);\n return Math.round((correct / totalQuestions) * 100);\n}\n","/**\n * Storage Service\n *\n * Coordinates between IndexedDB persistence and sessionStorage cache.\n * Provides high-level operations for loading/saving student records.\n */\n\nimport type {\n StudentRecord,\n SessionData,\n SessionCache,\n PageData,\n PageId,\n ReleaseId,\n AnswerRecord,\n} from '../types/contracts.js';\nimport { getStorageAdapter } from './storage/indexeddb.js';\nimport { buildCacheFromRecord } from './session.js';\nimport { calculateCompletionState } from './state-calculator.js';\nimport { recalculateTotalsFromPages } from '../utils/calculation-helpers.js';\nimport { info, warn, error as logError } from '../utils/logger.js';\n\n/**\n * Storage Service for managing student records\n */\nexport class StorageService {\n private adapter;\n private dbName: string;\n\n /**\n * Create storage service with specified database name\n *\n * @param dbName - IndexedDB database name (REQUIRED - no default)\n */\n constructor(dbName: string) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for StorageService');\n }\n this.dbName = dbName;\n this.adapter = getStorageAdapter(dbName);\n }\n\n /**\n * Initialize IndexedDB storage\n */\n async init(): Promise {\n try {\n await this.adapter.init();\n info(`Storage service initialized (IndexedDB \"${this.dbName}\" ready)`);\n } catch (err) {\n logError('Failed to initialize storage service', err as Error);\n throw err;\n }\n }\n\n /**\n * Load student record from IndexedDB\n *\n * Creates a new record if none exists.\n *\n * @param session - Current session data\n * @returns Student record\n */\n async loadStudentRecord(session: SessionData): Promise {\n try {\n const existing = await this.adapter.getStudent(session.release, session.serviceId);\n\n if (existing) {\n info(`Loaded student record for ${session.serviceId} from IndexedDB`);\n return existing;\n }\n\n // Create new student record\n const newRecord: StudentRecord = {\n schema: 1,\n docId: session.release, // Use release as docId\n release: session.release,\n serviceId: session.serviceId,\n name: session.name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n\n info(`Created new student record for ${session.serviceId}`);\n return newRecord;\n } catch (err) {\n // If IndexedDB has schema issues, create a new record\n warn(`IndexedDB error, creating new record: ${(err as Error).message}`);\n const newRecord: StudentRecord = {\n schema: 1,\n docId: session.release,\n release: session.release,\n serviceId: session.serviceId,\n name: session.name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n return newRecord;\n }\n }\n\n /**\n * Save student record to IndexedDB\n *\n * @param record - Student record to save\n */\n async saveStudentRecord(record: StudentRecord): Promise {\n try {\n // Update timestamp\n record.updated = new Date().toISOString();\n\n // Recalculate totals from pages using calculation helper\n const totals = recalculateTotalsFromPages(record.pages);\n record.attempted = totals.attempted;\n record.correct = totals.correct;\n\n await this.adapter.saveStudent(record);\n info(`Saved student record for ${record.serviceId} to IndexedDB`);\n } catch (err) {\n logError('Failed to save student record', err as Error);\n throw err;\n }\n }\n\n /**\n * Update student record with a new answer\n *\n * @param record - Current student record\n * @param pageId - Page where answer was submitted\n * @param questionIndex - Question index (0-based)\n * @param answer - Answer record\n * @param totalQuestions - Total questions on the page\n * @returns Updated student record\n */\n updateRecordWithAnswer(\n record: StudentRecord,\n pageId: PageId,\n questionIndex: number,\n answer: AnswerRecord,\n totalQuestions: number,\n ): StudentRecord {\n // Get or create page data\n const existingPage = record.pages[pageId];\n const pageData: PageData = existingPage || {\n answers: [],\n state: 'unstarted',\n };\n\n // Ensure answers array is large enough\n while (pageData.answers.length <= questionIndex) {\n pageData.answers.push({\n answer: '',\n success: false,\n timestamp: new Date().toISOString(),\n });\n }\n\n // Update answer at index (FR-015: overwrites previous answer for re-submissions)\n // Only the most recent answer is stored, with updated timestamp\n pageData.answers[questionIndex] = answer;\n\n // Update timestamps\n const now = new Date().toISOString();\n if (!pageData.firstAttempted) {\n pageData.firstAttempted = now;\n }\n pageData.lastAttempted = now;\n\n // Recalculate state\n pageData.state = calculateCompletionState(pageData.answers, totalQuestions);\n\n // Update record\n return {\n ...record,\n pages: {\n ...record.pages,\n [pageId]: pageData,\n },\n };\n }\n\n /**\n * Build session cache from student record\n *\n * @param record - Student record\n * @returns Session cache\n */\n buildCache(record: StudentRecord): SessionCache {\n return buildCacheFromRecord(record);\n }\n\n /**\n * Get all students for a release\n *\n * @param release - Release identifier\n * @returns Array of student records\n */\n async getStudentsByRelease(release: ReleaseId): Promise {\n try {\n return await this.adapter.getStudentsByRelease(release);\n } catch (err) {\n logError('Failed to get students by release', err as Error);\n throw err;\n }\n }\n\n /**\n * Clear all data from IndexedDB\n */\n async clearAll(): Promise {\n try {\n await this.adapter.clearAll();\n info('Cleared all data from IndexedDB');\n } catch (err) {\n logError('Failed to clear all data', err as Error);\n throw err;\n }\n }\n\n /**\n * Create backup of student record\n *\n * @param record - Student record to backup\n */\n async backup(record: StudentRecord): Promise {\n try {\n await this.adapter.backup(record);\n info(`Created backup for ${record.serviceId}`);\n } catch (err) {\n warn(`Failed to create backup for ${record.serviceId}`, err);\n }\n }\n}\n\n// ============================================================================\n// SINGLETON PATTERN\n// ============================================================================\n\nlet storageServiceInstance: StorageService | null = null;\nlet currentServiceDbName: string | null = null;\n\n/**\n * Get singleton storage service instance\n *\n * @param dbName - IndexedDB database name (optional, uses existing instance if available)\n */\nexport function getStorageService(dbName?: string): StorageService {\n // If instance exists and no dbName specified, return existing\n if (storageServiceInstance && !dbName) {\n return storageServiceInstance;\n }\n\n // If dbName specified and different, warn but return existing (don't break app)\n if (storageServiceInstance && dbName && currentServiceDbName !== dbName) {\n warn(\n `Storage service already initialized with dbName=\"${currentServiceDbName}\", ignoring new dbName=\"${dbName}\"`,\n );\n return storageServiceInstance;\n }\n\n // Create new instance if none exists\n if (!storageServiceInstance) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for first getStorageService() call');\n }\n storageServiceInstance = new StorageService(dbName);\n currentServiceDbName = dbName;\n }\n\n return storageServiceInstance;\n}\n\n/**\n * Reset singleton (for testing)\n */\nexport function resetStorageService(): void {\n storageServiceInstance = null;\n currentServiceDbName = null;\n}\n","/**\n * Quiz Table Enhancer\n *\n * Implements single-phase progressive enhancement for quiz tables.\n * Replaces the old two-phase (prepare/activate) pattern with a simpler\n * conditional approach based on interactive flag.\n *\n * Features:\n * - Non-interactive mode: Hide answer column for security\n * - Interactive mode: Inject input controls, validation, auto-save\n * - Uses WeakMap for metadata (not DOM attributes)\n * - Debounced auto-save to prevent excessive writes\n * - Event emission for state changes\n */\n\nimport type {\n ParsedQuizTable,\n QuizQuestion,\n AnswerRecord,\n PageId,\n SessionData,\n SessionCache,\n} from '../types/contracts.js';\nimport { parseQuizTable } from '../services/quiz-parser.js';\nimport { validateAnswer } from '../services/quiz-parser.js';\nimport { registerPageQuestions } from '../services/session.js';\nimport { getQuestionInputSpec } from '../services/question-input.js';\nimport { formatStudentAnswersForDisplay } from '../services/answer-display.js';\nimport { Debouncer } from '../utils/debouncer.js';\nimport { createElement, addClass, removeClass } from '../utils/dom-helpers.js';\nimport { emitCustomEvent } from '../utils/event-helpers.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info, error as logError, warn } from '../utils/logger.js';\nimport { getStorageService } from '../services/storage-service.js';\n\n/**\n * Enhancement options\n */\nexport interface EnhanceQuizTableOptions {\n /** Whether to enable interactive controls */\n interactive: boolean;\n /** Current page ID (required for interactive mode) */\n pageId?: PageId;\n}\n\n/**\n * Quiz table metadata (stored in WeakMap)\n */\ninterface QuizTableMetadata {\n /** Parsed quiz data */\n parsed: ParsedQuizTable;\n /** Enhancement mode */\n interactive: boolean;\n /** Page ID (if interactive) */\n pageId?: PageId;\n /** Row input elements (if interactive) - can be text inputs or select dropdowns */\n inputs?: (HTMLInputElement | HTMLSelectElement)[];\n /** Debouncer for auto-save */\n debouncer?: Debouncer;\n /** Cleanup function for instructor event listeners */\n cleanupInstructorListeners?: () => void;\n}\n\n// WeakMap to store table metadata without polluting DOM\nconst tableMetadata = new WeakMap();\n\n/**\n * Enhance a quiz table with single-phase enhancement\n *\n * @param table - The quiz table element\n * @param options - Enhancement options\n * @returns true if enhancement succeeded, false if errors occurred\n *\n * @example\n * ```typescript\n * // Non-interactive mode (hide answers)\n * const table = document.querySelector('table.qd-quiz');\n * if (table) {\n * enhanceQuizTable(table, { interactive: false });\n * }\n *\n * // Interactive mode (inject controls)\n * enhanceQuizTable(table, { interactive: true, pageId: 'gram-1' });\n * ```\n */\nexport function enhanceQuizTable(\n table: HTMLTableElement,\n options: EnhanceQuizTableOptions,\n): boolean {\n // Check if already enhanced\n const existing = tableMetadata.get(table);\n let parsed: ParsedQuizTable;\n\n if (existing) {\n // If upgrading from non-interactive to interactive, proceed\n if (!existing.interactive && options.interactive) {\n info('Upgrading quiz table from non-interactive to interactive mode');\n // Reuse existing parsed data (answers already extracted before clearing DOM)\n parsed = existing.parsed;\n } else {\n // Already enhanced in same or higher mode, skip\n info('Quiz table already enhanced, skipping');\n return true;\n }\n } else {\n // Parse the table (first enhancement)\n parsed = parseQuizTable(table);\n\n // Check for parsing errors\n if (parsed.errors && parsed.errors.length > 0) {\n logError('Quiz table has validation errors:', parsed.errors);\n // Still continue enhancement to show errors visually\n }\n }\n\n // Store metadata in WeakMap\n const metadata: QuizTableMetadata = {\n parsed,\n interactive: options.interactive,\n pageId: options.pageId,\n };\n\n if (options.interactive) {\n // Validate pageId is provided for interactive mode\n if (!options.pageId) {\n logError('Interactive mode requires pageId option');\n return false;\n }\n\n info(`Preparing interactive enhancement for pageId: ${options.pageId}`);\n\n // Initialize debouncer for auto-save\n metadata.debouncer = new Debouncer();\n metadata.inputs = [];\n }\n\n tableMetadata.set(table, metadata);\n\n // Apply enhancement based on mode\n if (options.interactive) {\n const result = enhanceInteractive(table, metadata);\n if (result) {\n info(`Interactive enhancement succeeded for table with ${parsed.questions.length} questions`);\n } else {\n logError('Interactive enhancement failed');\n }\n return result;\n } else {\n return enhanceNonInteractive(table);\n }\n}\n\n/**\n * Enhance table in non-interactive mode\n * - Hide answer column (security: don't show correct answers before login)\n * - Hide detail column (security: don't show MCQ options or tolerances before login)\n *\n * @param table - Quiz table element\n * @returns true if successful\n */\nfunction enhanceNonInteractive(table: HTMLTableElement): boolean {\n // Remove colgroup to allow auto-sizing of columns\n removeColgroup(table);\n\n // Hide answer column (column index 1) - security: hide correct answers before login\n hideAnswerColumn(table);\n\n // Hide detail column (column index 2) - security: hide MCQ options/tolerances\n hideDetailColumn(table);\n\n addClass(table, 'qd-quiz-non-interactive');\n info('Quiz table enhanced in non-interactive mode');\n\n return true;\n}\n\n/**\n * Enhance table in interactive mode\n * - Inject input controls for each question\n * - Setup validation and auto-save\n * - Load existing answers from storage\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @returns true if successful\n */\nfunction enhanceInteractive(table: HTMLTableElement, metadata: QuizTableMetadata): boolean {\n const { parsed, pageId, debouncer } = metadata;\n\n if (!pageId || !debouncer) {\n logError('Interactive mode requires pageId and debouncer');\n return false;\n }\n\n // Show answer column (remove qd-hidden class from non-interactive mode)\n showAnswerColumn(table);\n\n // Hide detail column in interactive mode\n // - MCQ options are now in the select dropdown\n // - Numeric tolerance is applied automatically\n hideDetailColumn(table);\n\n // Get session data\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return false;\n }\n\n // Get session cache\n let cache = getJSON(STORAGE_KEYS.CACHE);\n if (!cache) {\n info('No cache found, creating empty cache');\n cache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n } else {\n info(\n `Cache loaded: ${cache.totals.total} total questions, ${Object.keys(cache.pages).length} pages`,\n );\n }\n\n // Register page questions (updates total count in cache)\n const totalQuestions = parsed.questions.length;\n cache = registerPageQuestions(cache, pageId, totalQuestions);\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n const pageCache = cache?.pages[pageId];\n const existingAnswers = pageCache?.answers || [];\n info(\n `Page ${pageId}: ${existingAnswers.length} existing answers, state: ${pageCache?.state || 'none'}`,\n );\n\n // Get all tbody rows\n const tbody = table.querySelector('tbody');\n if (!tbody) {\n logError('Quiz table has no tbody element');\n return false;\n }\n\n const rows = Array.from(tbody.querySelectorAll('tr'));\n const inputs: (HTMLInputElement | HTMLSelectElement)[] = [];\n\n // Inject controls for each question\n parsed.questions.forEach((question, index) => {\n const row = rows[index];\n if (!row) return;\n\n const cells = Array.from(row.querySelectorAll('td'));\n if (cells.length !== 3) return;\n\n const questionCell = cells[0];\n const answerCell = cells[1];\n\n if (!questionCell || !answerCell) return;\n\n // Get existing answer for this question\n const existingAnswer = existingAnswers[index];\n if (existingAnswer && existingAnswer.answer) {\n info(\n `Q${index + 1}: Pre-filling with \"${existingAnswer.answer}\" (${existingAnswer.success ? 'correct' : 'incorrect'})`,\n );\n }\n\n // Create input control based on question type\n const input = createQuestionInput(question, existingAnswer);\n inputs.push(input);\n\n // Clear answer cell and inject input\n answerCell.textContent = '';\n answerCell.appendChild(input);\n\n // Apply validation styling if answer exists\n if (existingAnswer) {\n applyValidationStyling(answerCell, existingAnswer.success);\n }\n\n // Setup auto-save on input change\n // Use 'change' for select elements (MCQ), 'input' for text inputs (numeric)\n const eventType = input.tagName === 'SELECT' ? 'change' : 'input';\n input.addEventListener(eventType, () => {\n handleAnswerInput(table, metadata, index, input.value);\n });\n });\n\n // Store input references\n metadata.inputs = inputs;\n\n // Setup instructor answer display listeners\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if instructor mode with toggle already enabled\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (isInstructor && showAnswers) {\n void showStudentAnswersForTable(table, metadata);\n }\n\n // Add logout listener to clear student-specific UI state (FR-001, FR-002)\n const logoutHandler = () => {\n // Clear student-specific color-coded feedback\n const answerCells = table.querySelectorAll('td.qd-answer-correct, td.qd-answer-incorrect');\n answerCells.forEach((cell) => {\n removeClass(cell, 'qd-answer-correct', 'qd-answer-incorrect');\n });\n\n // Clear any displayed student answers\n hideStudentAnswersForTable(table);\n\n info('Cleared student UI state from quiz table on logout');\n };\n\n document.addEventListener('qd:logout', logoutHandler);\n\n // Store cleanup function in metadata\n metadata.cleanupInstructorListeners = () => {\n document.removeEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.removeEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n document.removeEventListener('qd:logout', logoutHandler);\n };\n\n addClass(table, 'qd-quiz-interactive');\n info(`Quiz table enhanced in interactive mode for page ${pageId}`);\n\n return true;\n}\n\n/**\n * Create input control for a question\n *\n * For MCQ questions: Creates a dropdown with options\n * For numeric questions: Creates a text input\n *\n * Uses getQuestionInputSpec() for pure logic, then creates DOM elements.\n *\n * @param question - Quiz question\n * @param existingAnswer - Existing answer if any\n * @returns Input or select element\n */\nfunction createQuestionInput(\n question: QuizQuestion,\n existingAnswer?: AnswerRecord,\n): HTMLInputElement | HTMLSelectElement {\n const spec = getQuestionInputSpec(question, existingAnswer);\n\n if (spec.type === 'select') {\n // Create select dropdown for MCQ\n const select = createElement('select');\n select.className = spec.className;\n\n // Add placeholder option\n const placeholderOption = createElement('option');\n placeholderOption.value = '';\n placeholderOption.textContent = spec.placeholder;\n placeholderOption.disabled = true;\n select.appendChild(placeholderOption);\n\n // Add options from spec\n if (spec.options) {\n spec.options.forEach((opt) => {\n const option = createElement('option');\n option.value = opt.value;\n option.textContent = opt.text;\n select.appendChild(option);\n });\n }\n\n // Set value from spec\n select.value = spec.value;\n\n return select;\n } else {\n // Create text input for numeric questions\n const input = createElement('input');\n input.type = spec.type;\n input.className = spec.className;\n input.placeholder = spec.placeholder;\n input.value = spec.value;\n\n return input;\n }\n}\n\n/**\n * Handle user answer input\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @param questionIndex - Question index\n * @param answer - User's answer\n */\nfunction handleAnswerInput(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n questionIndex: number,\n answer: string,\n): void {\n const { debouncer, pageId, parsed } = metadata;\n\n if (!debouncer || !pageId) {\n return;\n }\n\n const question = parsed.questions[questionIndex];\n if (!question) {\n return;\n }\n\n // Debounce the save operation (200ms delay)\n debouncer.debounce(\n `save-answer-${questionIndex}`,\n () => {\n void saveAnswer(table, metadata, questionIndex, answer);\n },\n 200,\n );\n}\n\n/**\n * Save answer to storage and update UI\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @param questionIndex - Question index\n * @param answer - User's answer\n */\nasync function saveAnswer(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n questionIndex: number,\n answer: string,\n): Promise {\n const { pageId, parsed, inputs } = metadata;\n\n if (!pageId || !inputs) {\n return;\n }\n\n const question = parsed.questions[questionIndex];\n if (!question) {\n return;\n }\n\n // Get session\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return;\n }\n\n // Validate answer\n const success = validateAnswer(question, answer);\n\n // Create answer record\n const answerRecord: AnswerRecord = {\n answer: answer.trim(),\n success,\n timestamp: new Date().toISOString(),\n };\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n } catch (err) {\n warn('Failed to load student record, answer not saved', err);\n return;\n }\n\n // Update record with new answer\n const totalQuestions = parsed.questions.length;\n const updatedRecord = storageService.updateRecordWithAnswer(\n studentRecord,\n pageId,\n questionIndex,\n answerRecord,\n totalQuestions,\n );\n\n // Save updated record to IndexedDB\n try {\n await storageService.saveStudentRecord(updatedRecord);\n } catch (err) {\n warn('Failed to save student record to IndexedDB', err);\n }\n\n // Build cache from updated record\n const cache = storageService.buildCache(updatedRecord);\n\n // Save cache to sessionStorage for quick access\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n // Apply validation styling\n const row = table.querySelector(`tbody tr:nth-child(${questionIndex + 1})`);\n if (row) {\n const answerCell = row.querySelector('td:nth-child(2)');\n if (answerCell) {\n applyValidationStyling(answerCell, success);\n }\n }\n\n // Emit events\n emitCustomEvent('qd:answer-saved', {\n pageId,\n answer: answerRecord,\n });\n\n const pageData = updatedRecord.pages[pageId];\n if (pageData) {\n emitCustomEvent('qd:state-changed', {\n pageId,\n state: pageData.state,\n });\n }\n\n info(\n `Answer saved for question ${questionIndex + 1} on page ${pageId}: ${success ? 'correct' : 'incorrect'}`,\n );\n}\n\n/**\n * Apply validation styling to answer cell\n *\n * @param cell - Answer cell element\n * @param success - Whether answer is correct\n */\nfunction applyValidationStyling(cell: Element, success: boolean): void {\n removeClass(cell, 'qd-answer-correct', 'qd-answer-incorrect');\n addClass(cell, success ? 'qd-answer-correct' : 'qd-answer-incorrect');\n}\n\n/**\n * Remove colgroup element to allow automatic column sizing\n *\n * Fixed column widths (e.g., 40%/10%/50%) don't work well when\n * columns are hidden or contain interactive controls. Removing\n * the colgroup lets the browser auto-size based on content.\n *\n * @param table - Quiz table element\n */\nfunction removeColgroup(table: HTMLTableElement): void {\n const colgroup = table.querySelector('colgroup');\n if (colgroup) {\n colgroup.remove();\n }\n}\n\n/**\n * Hide answer column (column index 1)\n *\n * SECURITY: Removes correct answers from DOM to prevent inspection via DevTools/view-source.\n * Answers are already parsed and stored in memory (WeakMap), so they're available for\n * validation when needed but not exposed in the DOM.\n *\n * @param table - Quiz table element\n */\nfunction hideAnswerColumn(table: HTMLTableElement): void {\n // Hide header cell (Answer is column 1)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[1]) {\n addClass(headerCells[1], 'qd-hidden');\n }\n\n // Hide answer cells and REMOVE content from DOM (security)\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[1]) {\n addClass(cells[1], 'qd-hidden');\n cells[1].textContent = ''; // Remove answer from DOM\n }\n });\n}\n\n/**\n * Show answer column (column index 1) for interactive mode\n *\n * Removes qd-hidden class to reveal answer cells with input controls.\n * Called when upgrading from non-interactive to interactive mode.\n *\n * @param table - Quiz table element\n */\nfunction showAnswerColumn(table: HTMLTableElement): void {\n // Show header cell (Answer is column 1)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[1]) {\n removeClass(headerCells[1], 'qd-hidden');\n }\n\n // Show answer cells in all rows\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[1]) {\n removeClass(cells[1], 'qd-hidden');\n }\n });\n}\n\n/**\n * Hide detail column (column index 2)\n *\n * Hides the Detail column which contains MCQ options or numeric tolerances.\n * This prevents users from seeing answer options before logging in.\n *\n * @param table - Quiz table element\n */\nfunction hideDetailColumn(table: HTMLTableElement): void {\n // Hide header cell (Detail is column 2)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[2]) {\n addClass(headerCells[2], 'qd-hidden');\n }\n\n // Hide detail cells in all rows\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[2]) {\n addClass(cells[2], 'qd-hidden');\n }\n });\n}\n\n/**\n * Get quiz table metadata\n *\n * @param table - Quiz table element\n * @returns Metadata if table has been enhanced, undefined otherwise\n */\nexport function getQuizTableMetadata(table: HTMLTableElement): QuizTableMetadata | undefined {\n return tableMetadata.get(table);\n}\n\n/**\n * Check if table is enhanced\n *\n * @param table - Quiz table element\n * @returns true if table has been enhanced\n */\nexport function isQuizTableEnhanced(table: HTMLTableElement): boolean {\n return tableMetadata.has(table);\n}\n\n/**\n * Reset quiz table to non-interactive mode\n * Called on logout to allow re-enhancement on next login\n *\n * @param table - Quiz table element\n */\nexport function resetQuizTableToNonInteractive(table: HTMLTableElement): void {\n const metadata = tableMetadata.get(table);\n if (!metadata) return;\n\n // Update metadata to mark as non-interactive\n metadata.interactive = false;\n metadata.pageId = undefined;\n metadata.inputs = undefined;\n\n // Cleanup event listeners if they exist\n metadata.cleanupInstructorListeners?.();\n metadata.cleanupInstructorListeners = undefined;\n\n // Hide answer and detail columns\n hideAnswerColumn(table);\n hideDetailColumn(table);\n\n // Remove interactive class\n removeClass(table, 'qd-quiz-interactive');\n\n info('Quiz table reset to non-interactive mode');\n}\n\n/**\n * Show student answers for all questions in table (instructor mode)\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n */\nexport async function showStudentAnswersForTable(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n): Promise {\n const { pageId, parsed } = metadata;\n if (!pageId) return;\n\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n // Get storage service to load all student records\n const { getStorageService } = await import('../services/storage-service.js');\n const storageService = getStorageService();\n\n try {\n // Load all student records for current release\n const students = await storageService.getStudentsByRelease(session.release);\n\n // Check if there are any students\n if (students.length === 0) {\n info('No student data available for this release');\n alert(\n 'No student data available for this release. Students need to log in and answer questions first.',\n );\n return;\n }\n\n // Get tbody rows\n const tbody = table.querySelector('tbody');\n if (!tbody) return;\n\n const rows = Array.from(tbody.querySelectorAll('tr'));\n\n // For each question, collect student answers and display using formatStudentAnswersForDisplay\n parsed.questions.forEach((_question, questionIndex) => {\n const row = rows[questionIndex];\n if (!row) return;\n\n const cells = Array.from(row.querySelectorAll('td'));\n const answerCell = cells[1];\n if (!answerCell) return;\n\n // Remove any existing student answers display\n const existingDisplay = answerCell.querySelector('.qd-student-answers');\n if (existingDisplay) {\n existingDisplay.remove();\n }\n\n // Use pure helper function to format student answers\n const studentAnswers = formatStudentAnswersForDisplay(students, pageId, questionIndex);\n\n // Create display element from formatted data\n if (studentAnswers.length > 0) {\n const display = document.createElement('div');\n display.className = 'qd-student-answers';\n\n studentAnswers.forEach((sa) => {\n const answerDiv = document.createElement('div');\n answerDiv.className = `qd-student-answer ${sa.cssClass}`;\n\n // Format: Name (last 4 of serviceId): answer [timestamp] (FR-007: 24-hour format)\n answerDiv.innerHTML = `\n ${sa.name} (${sa.maskedServiceId}):\n ${sa.answer}\n ${sa.formattedTimestamp}\n `;\n\n display.appendChild(answerDiv);\n });\n\n answerCell.appendChild(display);\n }\n });\n\n info(`Displayed student answers for ${students.length} students on page ${pageId}`);\n } catch (err) {\n logError('Failed to load student answers', err as Error);\n }\n}\n\n/**\n * Hide student answers for all questions in table\n *\n * @param table - Quiz table element\n */\nexport function hideStudentAnswersForTable(table: HTMLTableElement): void {\n const displays = table.querySelectorAll('.qd-student-answers');\n displays.forEach((display) => display.remove());\n info('Hid student answers from quiz table');\n}\n","/**\n * Question Input Service\n *\n * Pure functions for generating question input specifications.\n * No DOM dependencies - returns data structures that can be tested\n * without browser environment.\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport type { QuizQuestion, AnswerRecord } from '../types/contracts.js';\n\n/**\n * Option specification for MCQ dropdowns\n */\nexport interface OptionSpec {\n value: string;\n text: string;\n}\n\n/**\n * Specification for rendering a question input\n */\nexport interface QuestionInputSpec {\n /** Input type: 'select' for MCQ, 'text' for numeric */\n type: 'select' | 'text';\n /** CSS class name */\n className: string;\n /** Placeholder text */\n placeholder: string;\n /** Current value (from existing answer or empty) */\n value: string;\n /** Options for select (MCQ only) */\n options?: OptionSpec[];\n}\n\n/**\n * Get input specification for a quiz question\n *\n * Returns a data structure describing how to render the input,\n * without creating DOM elements.\n *\n * @param question - Quiz question configuration\n * @param existingAnswer - Existing answer record (optional)\n * @returns Input specification\n */\nexport function getQuestionInputSpec(\n question: QuizQuestion,\n existingAnswer?: AnswerRecord,\n): QuestionInputSpec {\n if (question.kind === 'mcq') {\n // MCQ question - select dropdown\n const options: OptionSpec[] = (question.options || []).map((optionText, index) => ({\n value: String(index + 1), // 1-indexed\n text: `${index + 1}. ${optionText}`,\n }));\n\n return {\n type: 'select',\n className: 'qd-quiz-input',\n placeholder: 'Select an answer...',\n value: existingAnswer?.answer || '',\n options,\n };\n } else {\n // Numeric question - text input\n return {\n type: 'text',\n className: 'qd-quiz-input',\n placeholder: 'Enter value',\n value: existingAnswer?.answer || '',\n };\n }\n}\n","/**\n * Answer Display Service\n *\n * Pure functions for formatting student answer data for display.\n * No DOM dependencies - returns data structures that can be tested\n * without browser environment.\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport type { StudentRecord, PageId } from '../types/contracts.js';\nimport { formatStoredTimestamp } from '../utils/date-helpers.js';\n\n/**\n * Formatted student answer for display\n */\nexport interface StudentAnswerDisplay {\n /** Student name */\n name: string;\n /** Last 4 digits of service ID */\n maskedServiceId: string;\n /** Answer value */\n answer: string;\n /** Whether answer is correct */\n success: boolean;\n /** Formatted timestamp for display (24-hour format) */\n formattedTimestamp: string;\n /** CSS class based on success: 'qd-correct' or 'qd-incorrect' */\n cssClass: 'qd-correct' | 'qd-incorrect';\n}\n\n/**\n * Format student answers for a specific question for display\n *\n * Collects and formats answers from all students for a specific\n * question, ready for rendering in instructor view.\n *\n * @param students - Array of student records\n * @param pageId - Page identifier\n * @param questionIndex - 0-based question index\n * @returns Array of formatted student answers\n */\nexport function formatStudentAnswersForDisplay(\n students: StudentRecord[],\n pageId: PageId,\n questionIndex: number,\n): StudentAnswerDisplay[] {\n const result: StudentAnswerDisplay[] = [];\n\n for (const student of students) {\n const pageData = student.pages[pageId];\n if (!pageData || !pageData.answers) continue;\n\n const answerRecord = pageData.answers[questionIndex];\n if (!answerRecord) continue;\n\n result.push({\n name: student.name,\n maskedServiceId: student.serviceId.slice(-4),\n answer: answerRecord.answer,\n success: answerRecord.success,\n formattedTimestamp: formatStoredTimestamp(answerRecord.timestamp),\n cssClass: answerRecord.success ? 'qd-correct' : 'qd-incorrect',\n });\n }\n\n return result;\n}\n","/**\n * Analysis Table Parser\n *\n * Parses analysis tables and generates stable identifiers for table and cells.\n *\n * Key concepts:\n * - TableId: 16-char hash based on table structure (rows × cols + className)\n * - CellKey: Format \"R{row}C{col}#f:{hash}\" where hash is 8-char from normalized content\n * - Editable cells: Cells WITH 'interactive' class\n * - Read-only cells: Cells WITHOUT 'interactive' class\n *\n * Author constraints:\n * - Add class=\"interactive\" to cells that should be editable in interactive mode\n * - Cells without this class will always be read-only\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const parsed = parseAnalysisTable(table);\n * console.log(`Table ID: ${parsed.tableId}`);\n * console.log(`Editable cells: ${parsed.editableCells.length}`);\n * }\n * ```\n */\n\nimport type { ParsedAnalysisTable, TableId, CellKey } from '../types/contracts.js';\nimport { getTableRows, getRowCells, getTextContent } from '../utils/dom-helpers.js';\n\n/**\n * Generate a hash from a string using a simple but stable hash algorithm\n *\n * Uses a modified DJB2 hash algorithm for simplicity and stability.\n * Not cryptographically secure, but suitable for generating stable identifiers.\n *\n * @param input - String to hash\n * @param length - Desired hash length (default: 16)\n * @returns Hex-encoded hash of specified length\n */\nfunction hashString(input: string, length = 16): string {\n let hash = 5381;\n\n for (let i = 0; i < input.length; i++) {\n const char = input.charCodeAt(i);\n hash = (hash << 5) + hash + char; // hash * 33 + char\n hash = hash & hash; // Convert to 32-bit integer\n }\n\n // Convert to positive hex string\n const hexHash = Math.abs(hash).toString(16).padStart(8, '0');\n\n // Repeat and truncate to desired length\n const repeatedHash = hexHash.repeat(Math.ceil(length / hexHash.length));\n return repeatedHash.substring(0, length);\n}\n\n/**\n * Generate stable table ID based on structure\n *\n * Format: 16-character hash from \"{rows}x{cols}:{className}\"\n *\n * @param table - Analysis table element\n * @returns Stable table identifier\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const tableId = generateTableId(table);\n * console.log(tableId); // \"8e2b4a1c9f3d7b6e\"\n * }\n * ```\n */\nexport function generateTableId(table: HTMLTableElement): TableId {\n const rows = getTableRows(table);\n const firstRow = rows[0];\n const cols = firstRow ? getRowCells(firstRow).length : 0;\n const className = table.className || 'qd-analysis';\n\n // Create structure signature: \"3x4:qd-analysis\"\n const signature = `${rows.length}x${cols}:${className}`;\n\n return hashString(signature, 16);\n}\n\n/**\n * Generate stable cell key\n *\n * Format: \"R{row}C{col}#f:{hash}\"\n * - Row and column are 0-indexed\n * - Hash is 8-char from normalized cell content (whitespace collapsed)\n *\n * @param row - Row index (0-based)\n * @param col - Column index (0-based)\n * @param content - Cell content\n * @returns Stable cell key\n *\n * @example\n * ```typescript\n * const key = generateCellKey(2, 4, 'Sample content');\n * console.log(key); // \"R2C4#f:abc123de\"\n * ```\n */\nexport function generateCellKey(row: number, col: number, content: string): CellKey {\n // Normalize content: collapse whitespace, trim\n const normalized = content.replace(/\\s+/g, ' ').trim();\n\n // Generate 8-char hash from normalized content\n const contentHash = hashString(normalized, 8);\n\n return `R${row}C${col}#f:${contentHash}`;\n}\n\n/**\n * Check if a cell is editable\n *\n * A cell is editable if it HAS the 'interactive' class.\n * Cells without this class are considered read-only (headers or pre-filled content).\n *\n * Author constraint: Add class=\"interactive\" to cells that should be editable.\n *\n * @param cell - Table cell element\n * @returns true if cell has 'interactive' class, false otherwise\n *\n * @example\n * ```typescript\n * const cell = row.cells[0];\n * if (isCellEditable(cell)) {\n * // Cell has class=\"interactive\", make it editable\n * } else {\n * // Cell is read-only\n * }\n * ```\n */\nexport function isCellEditable(cell: HTMLTableCellElement): boolean {\n // Check for 'interactive' class\n return cell.classList.contains('interactive');\n}\n\n/**\n * Parse an analysis table\n *\n * Extracts table structure, generates stable identifiers, and identifies editable cells.\n *\n * @param table - Analysis table element\n * @returns Parsed analysis table data\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const parsed = parseAnalysisTable(table);\n *\n * if (parsed.errors && parsed.errors.length > 0) {\n * console.error('Validation errors:', parsed.errors);\n * }\n *\n * console.log(`Table ID: ${parsed.tableId}`);\n * console.log(`Editable cells: ${parsed.editableCells.length}`);\n * }\n * ```\n */\nexport function parseAnalysisTable(table: HTMLTableElement): ParsedAnalysisTable {\n const errors: string[] = [];\n\n // Validate table structure\n if (!table.querySelector('tbody')) {\n errors.push('Analysis table must have a tbody element');\n }\n\n const rows = getTableRows(table);\n if (rows.length === 0) {\n errors.push('Analysis table must have at least one row');\n }\n\n // Generate table ID\n const tableId = generateTableId(table);\n\n // Identify editable cells\n const editableCells: ParsedAnalysisTable['editableCells'] = [];\n\n rows.forEach((row, rowIndex) => {\n const cells = getRowCells(row);\n\n cells.forEach((cell, colIndex) => {\n if (isCellEditable(cell)) {\n const content = getTextContent(cell);\n const key = generateCellKey(rowIndex, colIndex, content);\n\n editableCells.push({\n row: rowIndex,\n col: colIndex,\n key,\n });\n }\n });\n });\n\n return {\n element: table,\n tableId,\n editableCells,\n errors: errors.length > 0 ? errors : undefined,\n };\n}\n","/**\n * Analysis Table Enhancer\n *\n * Implements single-phase progressive enhancement for analysis tables.\n * Similar to quiz-table enhancer but for free-form editable content.\n *\n * Features:\n * - Non-interactive mode: Read-only display\n * - Interactive mode: Enable editing for cells with 'interactive' class\n * - Debounced auto-save to prevent excessive writes\n * - Stable cell keys for persistence across page reloads\n * - Uses WeakMap for metadata (not DOM attributes)\n * - Event emission for data changes\n *\n * Author constraints:\n * - Cells WITH class=\"interactive\" = editable (in interactive mode)\n * - Cells WITHOUT 'interactive' class = read-only (always)\n * - Maximum ONE analysis table per page\n */\n\nimport type {\n ParsedAnalysisTable,\n AnalysisData,\n PageId,\n SessionData,\n SessionCache,\n CellKey,\n StudentRecord,\n ServiceId,\n} from '../types/contracts.js';\nimport { parseAnalysisTable, isCellEditable } from '../services/analysis-parser.js';\nimport { Debouncer } from '../utils/debouncer.js';\nimport { getTableRows, getRowCells, addClass, getTextContent } from '../utils/dom-helpers.js';\nimport { emitCustomEvent } from '../utils/event-helpers.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info, error as logError, warn } from '../utils/logger.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { formatStoredTimestamp } from '../utils/date-helpers.js';\n\n/**\n * Enhancement options\n */\nexport interface EnhanceAnalysisTableOptions {\n /** Whether to enable interactive editing */\n interactive: boolean;\n /** Current page ID (required for interactive mode) */\n pageId?: PageId;\n}\n\n/**\n * Analysis table metadata (stored in WeakMap)\n */\ninterface AnalysisTableMetadata {\n /** Parsed analysis data */\n parsed: ParsedAnalysisTable;\n /** Enhancement mode */\n interactive: boolean;\n /** Page ID (if interactive) */\n pageId?: PageId;\n /** Debouncer for auto-save */\n debouncer?: Debouncer;\n /** Cell element to cell key mapping */\n cellKeyMap?: Map;\n}\n\n/**\n * Student entry for a cell (used in instructor view)\n */\nexport interface CellEntry {\n serviceId: ServiceId;\n name: string;\n content: string;\n timestamp: string;\n}\n\n// WeakMap to store table metadata without polluting DOM\nconst tableMetadata = new WeakMap();\n\n/**\n * Enhance an analysis table with single-phase enhancement\n *\n * @param table - The analysis table element\n * @param options - Enhancement options\n * @returns true if enhancement succeeded, false if errors occurred\n *\n * @example\n * ```typescript\n * // Non-interactive mode (read-only)\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * enhanceAnalysisTable(table, { interactive: false });\n * }\n *\n * // Interactive mode (enable editing)\n * enhanceAnalysisTable(table, { interactive: true, pageId: 'gram-1' });\n * ```\n */\nexport function enhanceAnalysisTable(\n table: HTMLTableElement,\n options: EnhanceAnalysisTableOptions,\n): boolean {\n // Parse the table\n const parsed = parseAnalysisTable(table);\n\n // Check for parsing errors\n if (parsed.errors && parsed.errors.length > 0) {\n logError('Analysis table has validation errors:', parsed.errors);\n // Still continue enhancement to show errors visually\n }\n\n // Store metadata in WeakMap\n const metadata: AnalysisTableMetadata = {\n parsed,\n interactive: options.interactive,\n pageId: options.pageId,\n };\n\n if (options.interactive) {\n // Validate pageId is provided for interactive mode\n if (!options.pageId) {\n logError('Interactive mode requires pageId option');\n return false;\n }\n\n // Initialize debouncer for auto-save\n metadata.debouncer = new Debouncer();\n metadata.cellKeyMap = new Map();\n }\n\n tableMetadata.set(table, metadata);\n\n // Apply enhancement based on mode\n if (options.interactive) {\n return enhanceInteractive(table, metadata);\n } else {\n return enhanceNonInteractive(table);\n }\n}\n\n/**\n * Enhance table in non-interactive mode\n * - Read-only display (no contenteditable)\n * - Listen for instructor view events to display student entries\n *\n * @param table - Analysis table element\n * @returns true if successful\n */\nfunction enhanceNonInteractive(table: HTMLTableElement): boolean {\n addClass(table, 'qd-analysis-non-interactive');\n\n // Add event listeners for instructor view\n const showHandler = () => {\n void showStudentEntriesForTable(table);\n };\n\n const hideHandler = () => {\n hideStudentEntriesForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showHandler);\n document.addEventListener('qd:instructor-hide-answers', hideHandler);\n\n info('Analysis table enhanced in non-interactive mode with instructor view support');\n\n return true;\n}\n\n/**\n * Enhance table in interactive mode\n * - Enable editing for cells without background-color\n * - Setup auto-save with debouncing\n * - Load existing data from storage\n *\n * @param table - Analysis table element\n * @param metadata - Table metadata\n * @returns true if successful\n */\nfunction enhanceInteractive(table: HTMLTableElement, metadata: AnalysisTableMetadata): boolean {\n const { parsed, pageId, debouncer, cellKeyMap } = metadata;\n\n if (!pageId || !debouncer || !cellKeyMap) {\n logError('Interactive mode requires pageId, debouncer, and cellKeyMap');\n return false;\n }\n\n // Get session data\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return false;\n }\n\n // Get session cache\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const pageCache = cache?.pages[pageId];\n const existingAnalysis = pageCache?.analysis;\n\n // Load existing cell data if available\n const existingCells = existingAnalysis?.cells || {};\n\n // Get all rows\n const rows = getTableRows(table);\n\n // Enable editing for editable cells\n parsed.editableCells.forEach(({ row, col, key }) => {\n const rowElement = rows[row];\n if (!rowElement) return;\n\n const cells = getRowCells(rowElement);\n const cell = cells[col];\n if (!cell) return;\n\n // Verify cell is still editable (defensive check)\n if (!isCellEditable(cell)) {\n logError(`Cell at R${row}C${col} is no longer editable`);\n return;\n }\n\n // Store cell key mapping\n cellKeyMap.set(cell, key);\n\n // Load existing content if available\n if (existingCells[key]) {\n cell.textContent = existingCells[key];\n }\n\n // Make cell editable\n cell.contentEditable = 'true';\n addClass(cell, 'qd-editable');\n\n // Setup auto-save on input\n cell.addEventListener('input', () => {\n handleCellEdit(metadata, cell, key);\n });\n\n // Prevent Enter key from creating line breaks (optional - may want multi-line)\n // For now, allow multi-line editing\n });\n\n addClass(table, 'qd-analysis-interactive');\n info(`Analysis table enhanced in interactive mode for page ${pageId}`);\n\n return true;\n}\n\n/**\n * Handle cell edit\n *\n * @param metadata - Table metadata\n * @param cell - Edited cell element\n * @param cellKey - Cell key\n */\nfunction handleCellEdit(\n metadata: AnalysisTableMetadata,\n cell: HTMLTableCellElement,\n cellKey: CellKey,\n): void {\n const { debouncer, pageId } = metadata;\n\n if (!debouncer || !pageId) {\n return;\n }\n\n const content = getTextContent(cell);\n\n // Debounce the save operation (500ms delay - longer than quiz for thoughtful editing)\n debouncer.debounce(\n `save-cell-${cellKey}`,\n () => {\n void saveCellData(metadata, cellKey, content);\n },\n 500,\n );\n}\n\n/**\n * Save cell data to storage (sessionStorage + IndexedDB)\n *\n * @param metadata - Table metadata\n * @param cellKey - Cell key\n * @param content - Cell content\n */\nasync function saveCellData(\n metadata: AnalysisTableMetadata,\n cellKey: CellKey,\n content: string,\n): Promise {\n const { pageId, parsed } = metadata;\n\n if (!pageId) {\n return;\n }\n\n // Get session\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return;\n }\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n } catch (err) {\n warn('Failed to load student record, analysis not saved', err);\n return;\n }\n\n // Get or create page data in student record\n const pageData = studentRecord.pages[pageId] || {\n answers: [],\n state: 'unstarted' as const,\n };\n\n // Get or create analysis data\n const analysisData: AnalysisData = pageData.analysis || {\n tableId: parsed.tableId,\n cells: {},\n };\n\n // Update cell content\n analysisData.cells[cellKey] = content;\n\n // Update timestamps\n const now = new Date().toISOString();\n if (!analysisData.firstEdited) {\n analysisData.firstEdited = now;\n }\n analysisData.lastEdited = now;\n\n // Store analysis data in page\n pageData.analysis = analysisData;\n\n // Update student record\n studentRecord.pages[pageId] = pageData;\n studentRecord.updated = now;\n\n // Save updated record to IndexedDB\n try {\n await storageService.saveStudentRecord(studentRecord);\n } catch (err) {\n warn('Failed to save student record to IndexedDB', err);\n }\n\n // Build cache from updated record\n const cache = storageService.buildCache(studentRecord);\n\n // Save cache to sessionStorage for quick access\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n // Emit event\n emitCustomEvent('qd:analysis-saved', {\n pageId,\n tableId: parsed.tableId,\n cellKey,\n content,\n });\n\n info(`Analysis cell saved for ${cellKey} on page ${pageId}`);\n}\n\n/**\n * Get analysis table metadata\n *\n * @param table - Analysis table element\n * @returns Metadata if table has been enhanced, undefined otherwise\n */\nexport function getAnalysisTableMetadata(\n table: HTMLTableElement,\n): AnalysisTableMetadata | undefined {\n return tableMetadata.get(table);\n}\n\n/**\n * Check if table is enhanced\n *\n * @param table - Analysis table element\n * @returns true if table has been enhanced\n */\nexport function isAnalysisTableEnhanced(table: HTMLTableElement): boolean {\n return tableMetadata.has(table);\n}\n\n/**\n * Group student entries by cell key (FR-012)\n *\n * @param students - All student records\n * @param pageId - Page ID to filter by\n * @returns Map of cell key to array of student entries\n */\nexport function groupEntriesByCell(\n students: StudentRecord[],\n pageId: PageId,\n): Record {\n const grouped: Record = {};\n\n students.forEach((student) => {\n const pageData = student.pages[pageId];\n if (!pageData || !pageData.analysis) {\n return;\n }\n\n const { cells } = pageData.analysis;\n const timestamp = pageData.analysis.lastEdited || student.updated;\n\n Object.entries(cells).forEach(([cellKey, content]) => {\n if (!grouped[cellKey]) {\n grouped[cellKey] = [];\n }\n\n grouped[cellKey].push({\n serviceId: student.serviceId,\n name: student.name,\n content,\n timestamp,\n });\n });\n });\n\n return grouped;\n}\n\n/**\n * Sort entries by timestamp in descending order (newest first) (FR-012)\n *\n * @param entries - Cell entries to sort\n * @returns Sorted entries (newest first)\n */\nexport function sortByTimestamp(entries: CellEntry[]): CellEntry[] {\n return [...entries].sort((a, b) => {\n const dateA = new Date(a.timestamp).getTime();\n const dateB = new Date(b.timestamp).getTime();\n return dateB - dateA; // Descending (newest first)\n });\n}\n\n/**\n * Create display element for student entries (FR-012, FR-013)\n *\n * @param entries - Student entries for a cell (should already be sorted)\n * @returns HTML div element with entries or placeholder\n */\nexport function createStudentEntriesDisplay(entries: CellEntry[]): HTMLDivElement {\n const container = document.createElement('div');\n container.className = 'qd-student-entries';\n\n if (entries.length === 0) {\n // FR-013: Placeholder for empty cells\n container.className += ' qd-no-entries';\n container.textContent = '(No entries yet)';\n container.style.cssText =\n 'color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;';\n return container;\n }\n\n // Sort entries before displaying (newest first)\n const sortedEntries = sortByTimestamp(entries);\n\n // FR-012: Display each student entry (single line format)\n sortedEntries.forEach((entry) => {\n const entryDiv = document.createElement('div');\n entryDiv.className = 'qd-entry';\n entryDiv.style.cssText =\n 'padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;';\n\n // Student name with last 4 digits of serviceId\n const last4 = entry.serviceId.slice(-4);\n const timestamp = formatStoredTimestamp(entry.timestamp);\n\n // Single line: name (id) • timestamp: content\n const nameSpan = document.createElement('span');\n nameSpan.style.cssText = 'font-weight: 600; color: #374151;';\n nameSpan.textContent = `${entry.name} (${last4}) • ${timestamp}: `;\n\n const contentSpan = document.createElement('span');\n contentSpan.style.cssText = 'white-space: pre-wrap;';\n contentSpan.textContent = entry.content;\n\n entryDiv.appendChild(nameSpan);\n entryDiv.appendChild(contentSpan);\n container.appendChild(entryDiv);\n });\n\n container.style.cssText = 'margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;';\n\n return container;\n}\n\n/**\n * Show student entries for all cells in the table (instructor view)\n *\n * @param table - Analysis table element\n */\nasync function showStudentEntriesForTable(table: HTMLTableElement): Promise {\n const metadata = tableMetadata.get(table);\n if (!metadata) {\n warn('Cannot show student entries: table not enhanced');\n return;\n }\n\n // Get current page ID from metadata (if interactive) or from document\n const pageId = metadata.pageId || getCurrentPageId();\n if (!pageId) {\n warn('Cannot show student entries: page ID not found');\n return;\n }\n\n // Get session to determine release\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n warn('Cannot show student entries: no active session');\n return;\n }\n\n // Load all students for this release\n const storageService = getStorageService();\n let students: StudentRecord[];\n try {\n students = await storageService.getStudentsByRelease(session.release);\n } catch (err) {\n logError('Failed to load students for instructor view:', err);\n return;\n }\n\n // Group entries by cell\n const grouped = groupEntriesByCell(students, pageId);\n\n // Get all editable cells from parsed data\n const { editableCells } = metadata.parsed;\n const rows = getTableRows(table);\n\n // Display entries for each editable cell\n editableCells.forEach(({ row, col, key }) => {\n const rowElement = rows[row];\n if (!rowElement) return;\n\n const cells = getRowCells(rowElement);\n const cell = cells[col];\n if (!cell) return;\n\n // Get entries for this cell\n const entries = grouped[key] || [];\n\n // Create and append display element\n const displayElement = createStudentEntriesDisplay(entries);\n displayElement.setAttribute('data-qd-student-entries', 'true');\n\n // Remove any existing display\n const existing = cell.querySelector('[data-qd-student-entries]');\n if (existing) {\n existing.remove();\n }\n\n cell.appendChild(displayElement);\n });\n\n info(`Displayed student entries for ${editableCells.length} cells`);\n}\n\n/**\n * Hide student entries for all cells in the table\n *\n * @param table - Analysis table element\n */\nfunction hideStudentEntriesForTable(table: HTMLTableElement): void {\n // Remove all student entry displays\n const displays = table.querySelectorAll('[data-qd-student-entries]');\n displays.forEach((display) => display.remove());\n\n info('Hidden student entries from analysis table');\n}\n\n/**\n * Reset analysis table to non-interactive mode\n * Called on logout to clear student/instructor UI state\n *\n * @param table - Analysis table element\n */\nexport function resetAnalysisTableToNonInteractive(table: HTMLTableElement): void {\n const metadata = tableMetadata.get(table);\n if (!metadata) return;\n\n // Hide any displayed student entries (instructor view)\n hideStudentEntriesForTable(table);\n\n // If table was interactive, disable editing and clear content\n if (metadata.interactive) {\n // Find all editable cells, clear content, and disable contentEditable\n const editableCells = table.querySelectorAll('.qd-editable');\n editableCells.forEach((cell) => {\n if (cell instanceof HTMLTableCellElement) {\n cell.contentEditable = 'false';\n cell.classList.remove('qd-editable');\n // Clear student-entered content on logout\n cell.textContent = '';\n }\n });\n\n // Remove interactive class from table\n table.classList.remove('qd-analysis-interactive');\n\n // Cancel any pending saves\n metadata.debouncer?.cancelAll();\n }\n\n // Update metadata to mark as non-interactive\n metadata.interactive = false;\n metadata.pageId = undefined;\n metadata.debouncer = undefined;\n metadata.cellKeyMap = undefined;\n\n info('Reset analysis table to non-interactive mode');\n}\n\n/**\n * Get current page ID from document\n * Extracts from body data attribute or URL\n *\n * @returns Page ID or undefined\n */\nfunction getCurrentPageId(): PageId | undefined {\n // Try body data attribute first\n const bodyPageId = document.body.dataset.pageId;\n if (bodyPageId) {\n return bodyPageId;\n }\n\n // Fallback: extract from URL filename\n const path = window.location.pathname;\n const filename = path.split('/').pop() || '';\n const pageId = filename.replace('.html', '');\n\n return pageId || undefined;\n}\n","/**\n * Event Coordinator\n * Registers and coordinates custom events across the application\n */\n\nimport { info } from '../utils/logger.js';\nimport {\n enhanceQuizTable,\n getQuizTableMetadata,\n resetQuizTableToNonInteractive,\n showStudentAnswersForTable,\n hideStudentAnswersForTable,\n} from '../enhancers/quiz-table.js';\nimport {\n enhanceAnalysisTable,\n resetAnalysisTableToNonInteractive,\n} from '../enhancers/analysis-table.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { setJSON, getJSON } from '../utils/storage-helpers.js';\nimport type { SessionData, SessionCache } from '../types/contracts.js';\n\n/**\n * Custom event detail types\n */\nexport interface LoginEventDetail {\n serviceId: string;\n name: string;\n release: string;\n loginTime: string;\n}\n\nexport interface LogoutEventDetail {\n serviceId: string;\n}\n\nexport interface AnswerSavedEventDetail {\n pageId: string;\n questionIndex: number;\n answer: string;\n success: boolean;\n}\n\nexport interface StateChangedEventDetail {\n pageId: string;\n state: string;\n}\n\nexport interface InstructorUnlockEventDetail {\n unlockTime: string;\n}\n\nexport interface DataClearedEventDetail {\n timestamp: string;\n}\n\n/**\n * Event coordinator for managing application events\n */\nexport class EventCoordinator {\n private listeners: Map = new Map();\n\n /**\n * Register all event listeners\n */\n initialize(): void {\n this.registerLoginHandlers();\n this.registerLogoutHandlers();\n this.registerAnswerHandlers();\n this.registerStateHandlers();\n this.registerInstructorHandlers();\n this.registerDataHandlers();\n\n info('Event coordinator initialized');\n }\n\n /**\n * Register handlers for login events\n */\n private registerLoginHandlers(): void {\n this.addEventListener('qd:login', (event) => {\n void (async () => {\n const detail = (event as CustomEvent).detail;\n info(`Login event: ${detail.serviceId} (${detail.name})`);\n\n // Skip student record handling for instructor logins\n if (detail.serviceId === 'INSTRUCTOR') {\n info('Instructor login - skipping student record handling');\n return;\n }\n\n // Get session from storage (already created by SessionService)\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n info('No session found in storage, skipping cache rebuild');\n return;\n }\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n let cache;\n\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n\n // Save student record to IndexedDB (creates if new, updates if exists)\n await storageService.saveStudentRecord(studentRecord);\n\n cache = storageService.buildCache(studentRecord);\n\n // Save cache to sessionStorage\n setJSON(STORAGE_KEYS.CACHE, cache);\n info(`Cache built from IndexedDB: ${cache.totals.total} total questions`);\n } catch {\n info('Failed to load from IndexedDB, initializing empty cache');\n // Create empty cache for first-time users\n const emptyCache: SessionCache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n setJSON(STORAGE_KEYS.CACHE, emptyCache);\n }\n\n // Trigger cache rebuild event\n this.dispatchEvent('qd:cache-rebuild', {});\n\n // Upgrade tables to interactive mode\n this.upgradeTablesAfterLogin();\n })();\n });\n }\n\n /**\n * Upgrade all tables to interactive mode after login\n */\n private upgradeTablesAfterLogin(): void {\n // Extract pageId from URL filename\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n if (!pageId) {\n info('No pageId found, skipping table upgrade to interactive mode');\n return;\n }\n\n // Check if instructor - instructors don't need interactive tables\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n info(\n 'Instructor session detected, tables remain in non-interactive mode with answers visible',\n );\n // Restore answer and detail columns for instructor view\n const quizTables = document.querySelectorAll('table.qd-quiz');\n\n quizTables.forEach((table) => {\n // Get parsed metadata (contains correct answers)\n const metadata = getQuizTableMetadata(table);\n if (!metadata) return;\n\n // Update metadata with pageId for instructor toggle\n metadata.pageId = pageId;\n\n // Remove qd-hidden class from answer column (column 1)\n const answerCells = table.querySelectorAll('td:nth-child(2), th:nth-child(2)');\n answerCells.forEach((cell) => {\n cell.classList.remove('qd-hidden');\n });\n\n // Restore answer text to data cells only (not header)\n const answerDataCells = table.querySelectorAll('tbody td:nth-child(2)');\n answerDataCells.forEach((cell, index) => {\n const question = metadata.parsed.questions[index];\n if (question && cell instanceof HTMLTableCellElement) {\n cell.textContent = question.correctAnswer;\n }\n });\n\n // Remove qd-hidden class from detail column (column 2)\n const detailCells = table.querySelectorAll('td:nth-child(3), th:nth-child(3)');\n detailCells.forEach((cell) => cell.classList.remove('qd-hidden'));\n\n // Set up instructor toggle event listeners (since table is non-interactive)\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if toggle already enabled\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (showAnswers) {\n void showAnswersHandler();\n }\n });\n return;\n }\n\n // Upgrade quiz tables\n const quizTables = document.querySelectorAll('table.qd-quiz');\n if (quizTables.length > 0) {\n info(`Upgrading ${quizTables.length} quiz table(s) to interactive mode...`);\n quizTables.forEach((table) => {\n enhanceQuizTable(table, { interactive: true, pageId });\n });\n }\n\n // Upgrade analysis tables\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n if (analysisTables.length > 0) {\n info(`Upgrading ${analysisTables.length} analysis table(s) to interactive mode...`);\n analysisTables.forEach((table) => {\n enhanceAnalysisTable(table, { interactive: true, pageId });\n });\n }\n }\n\n /**\n * Register handlers for logout events\n */\n private registerLogoutHandlers(): void {\n this.addEventListener('qd:logout', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`Logout event: ${detail.serviceId}`);\n\n // Reset all quiz tables to non-interactive mode\n const quizTables = document.querySelectorAll('table.qd-quiz');\n quizTables.forEach((table) => {\n resetQuizTableToNonInteractive(table);\n });\n\n // Reset all analysis tables to non-interactive mode\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n analysisTables.forEach((table) => {\n resetAnalysisTableToNonInteractive(table);\n });\n\n // Clear any cached data\n this.dispatchEvent('qd:cache-clear', {});\n });\n }\n\n /**\n * Register handlers for answer saved events\n */\n private registerAnswerHandlers(): void {\n this.addEventListener('qd:answer-saved', (event) => {\n const detail = (event as CustomEvent).detail;\n info(\n `Answer saved: ${detail.pageId} Q${detail.questionIndex} = ${detail.answer} (${detail.success ? 'correct' : 'incorrect'})`,\n );\n\n // Trigger cache update\n this.dispatchEvent('qd:cache-update', { pageId: detail.pageId });\n });\n }\n\n /**\n * Register handlers for state changed events\n */\n private registerStateHandlers(): void {\n this.addEventListener('qd:state-changed', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`State changed: ${detail.pageId} → ${detail.state}`);\n\n // Update badge state\n this.dispatchEvent('qd:badge-update', { pageId: detail.pageId, state: detail.state });\n });\n }\n\n /**\n * Register handlers for instructor events\n */\n private registerInstructorHandlers(): void {\n this.addEventListener('qd:instructor-unlock', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`Instructor mode unlocked at ${detail.unlockTime}`);\n });\n\n this.addEventListener('qd:instructor-lock', () => {\n info('Instructor mode locked');\n });\n }\n\n /**\n * Register handlers for data management events\n */\n private registerDataHandlers(): void {\n this.addEventListener('qd:data-cleared', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`All data cleared at ${detail.timestamp}`);\n\n // Clear cache\n this.dispatchEvent('qd:cache-clear', {});\n });\n }\n\n /**\n * Add event listener\n */\n private addEventListener(eventName: string, handler: EventListener): void {\n document.addEventListener(eventName, handler);\n\n // Track listeners for cleanup\n const handlers = this.listeners.get(eventName) || [];\n handlers.push(handler);\n this.listeners.set(eventName, handlers);\n }\n\n /**\n * Dispatch custom event\n */\n private dispatchEvent(eventName: string, detail: T): void {\n const event = new CustomEvent(eventName, {\n detail,\n bubbles: true,\n composed: true,\n });\n document.dispatchEvent(event);\n }\n\n /**\n * Cleanup event listeners\n */\n cleanup(): void {\n for (const [eventName, handlers] of this.listeners) {\n for (const handler of handlers) {\n document.removeEventListener(eventName, handler);\n }\n }\n this.listeners.clear();\n info('Event coordinator cleaned up');\n }\n}\n","/**\n * Session Coordinator\n * Manages session lifecycle and coordinates session-related events\n */\n\nimport { SessionService } from '../services/session.js';\nimport { info, warn } from '../utils/logger.js';\nimport type { SessionData } from '../types/contracts.js';\n\n/**\n * Session coordinator for managing session lifecycle\n */\nexport class SessionCoordinator {\n private sessionService: SessionService;\n private expiryTimeoutId?: number;\n\n constructor() {\n this.sessionService = new SessionService();\n }\n\n /**\n * Initialize session coordinator\n * - Load existing session from storage\n * - Schedule expiry check\n * - Setup activity tracking\n */\n initialize(): void {\n const session = this.sessionService.getSession();\n\n if (session) {\n info(`Existing session loaded for ${session.serviceId}`);\n\n // Check if session is expired\n if (this.sessionService.isExpired()) {\n warn('Session expired, clearing');\n this.sessionService.clearSession();\n return;\n }\n\n // Schedule expiry check\n this.scheduleExpiryCheck(session);\n\n // Setup activity tracking\n this.setupActivityTracking();\n } else {\n info('No existing session found');\n }\n }\n\n /**\n * Schedule expiry check based on session timeout\n */\n private scheduleExpiryCheck(session: SessionData): void {\n // Clear existing timeout\n if (this.expiryTimeoutId !== undefined) {\n window.clearTimeout(this.expiryTimeoutId);\n }\n\n // Calculate time until expiry\n const now = new Date().getTime();\n const expiresAt = new Date(session.expiresAt).getTime();\n const timeUntilExpiry = expiresAt - now;\n\n if (timeUntilExpiry <= 0) {\n // Session already expired\n this.sessionService.clearSession();\n return;\n }\n\n // Schedule expiry\n this.expiryTimeoutId = window.setTimeout(() => {\n info('Session expired (timeout)');\n this.sessionService.clearSession();\n }, timeUntilExpiry);\n }\n\n /**\n * Setup activity tracking to extend session on user interaction\n */\n private setupActivityTracking(): void {\n const activityHandler = (): void => {\n const session = this.sessionService.getSession();\n if (!session) {\n return;\n }\n\n // Update activity timestamp and extend expiry\n this.sessionService.updateActivity();\n\n // Reschedule expiry check\n const updatedSession = this.sessionService.getSession();\n if (updatedSession) {\n this.scheduleExpiryCheck(updatedSession);\n }\n };\n\n // Track common user activities\n const events = ['click', 'keydown', 'scroll', 'mousemove'];\n\n // Debounce activity updates to avoid excessive writes\n let activityDebounceTimeout: number | undefined;\n const debouncedHandler = (): void => {\n if (activityDebounceTimeout !== undefined) {\n window.clearTimeout(activityDebounceTimeout);\n }\n\n activityDebounceTimeout = window.setTimeout(() => {\n activityHandler();\n }, 5000); 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t,!this.isUpdatePending}scheduleUpdate(){return this.performUpdate()}performUpdate(){if(!this.isUpdatePending)return;if(!this.hasUpdated){if(this.renderRoot??=this.createRenderRoot(),this._$Ep){for(const[t,s]of this._$Ep)this[t]=s;this._$Ep=void 0}const t=this.constructor.elementProperties;if(t.size>0)for(const[s,i]of t){const{wrapped:t}=i,e=this[s];!0!==t||this._$AL.has(s)||void 0===e||this.C(s,void 0,i,e)}}let t=!1;const s=this._$AL;try{t=this.shouldUpdate(s),t?(this.willUpdate(s),this._$EO?.forEach((t=>t.hostUpdate?.())),this.update(s)):this._$EM()}catch(s){throw t=!1,this._$EM(),s}t&&this._$AE(s)}willUpdate(t){}_$AE(t){this._$EO?.forEach((t=>t.hostUpdated?.())),this.hasUpdated||(this.hasUpdated=!0,this.firstUpdated(t)),this.updated(t)}_$EM(){this._$AL=new Map,this.isUpdatePending=!1}get updateComplete(){return this.getUpdateComplete()}getUpdateComplete(){return this._$ES}shouldUpdate(t){return!0}update(t){this._$Eq&&=this._$Eq.forEach((t=>this._$ET(t,this[t]))),this._$EM()}updated(t){}firstUpdated(t){}}y.elementStyles=[],y.shadowRootOptions={mode:\"open\"},y[d(\"elementProperties\")]=new Map,y[d(\"finalized\")]=new Map,p?.({ReactiveElement:y}),(a.reactiveElementVersions??=[]).push(\"2.1.1\");export{y as ReactiveElement,s as adoptStyles,u as defaultConverter,t as getCompatibleStyle,f as notEqual};\n//# sourceMappingURL=reactive-element.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t=globalThis,i=t.trustedTypes,s=i?i.createPolicy(\"lit-html\",{createHTML:t=>t}):void 0,e=\"$lit$\",h=`lit$${Math.random().toFixed(9).slice(2)}$`,o=\"?\"+h,n=`<${o}>`,r=document,l=()=>r.createComment(\"\"),c=t=>null===t||\"object\"!=typeof t&&\"function\"!=typeof t,a=Array.isArray,u=t=>a(t)||\"function\"==typeof t?.[Symbol.iterator],d=\"[ \\t\\n\\f\\r]\",f=/<(?:(!--|\\/[^a-zA-Z])|(\\/?[a-zA-Z][^>\\s]*)|(\\/?$))/g,v=/-->/g,_=/>/g,m=RegExp(`>|${d}(?:([^\\\\s\"'>=/]+)(${d}*=${d}*(?:[^ \\t\\n\\f\\r\"'\\`<>=]|(\"|')|))|$)`,\"g\"),p=/'/g,g=/\"/g,$=/^(?:script|style|textarea|title)$/i,y=t=>(i,...s)=>({_$litType$:t,strings:i,values:s}),x=y(1),b=y(2),w=y(3),T=Symbol.for(\"lit-noChange\"),E=Symbol.for(\"lit-nothing\"),A=new WeakMap,C=r.createTreeWalker(r,129);function P(t,i){if(!a(t)||!t.hasOwnProperty(\"raw\"))throw Error(\"invalid template strings array\");return void 0!==s?s.createHTML(i):i}const V=(t,i)=>{const s=t.length-1,o=[];let r,l=2===i?\"\":3===i?\"\":\"\",c=f;for(let i=0;i\"===u[0]?(c=r??f,d=-1):void 0===u[1]?d=-2:(d=c.lastIndex-u[2].length,a=u[1],c=void 0===u[3]?m:'\"'===u[3]?g:p):c===g||c===p?c=m:c===v||c===_?c=f:(c=m,r=void 0);const x=c===m&&t[i+1].startsWith(\"/>\")?\" \":\"\";l+=c===f?s+n:d>=0?(o.push(a),s.slice(0,d)+e+s.slice(d)+h+x):s+h+(-2===d?i:x)}return[P(t,l+(t[s]||\"\")+(2===i?\"\":3===i?\"\":\"\")),o]};class N{constructor({strings:t,_$litType$:s},n){let r;this.parts=[];let c=0,a=0;const u=t.length-1,d=this.parts,[f,v]=V(t,s);if(this.el=N.createElement(f,n),C.currentNode=this.el.content,2===s||3===s){const t=this.el.content.firstChild;t.replaceWith(...t.childNodes)}for(;null!==(r=C.nextNode())&&d.length0){r.textContent=i?i.emptyScript:\"\";for(let i=0;i2||\"\"!==s[0]||\"\"!==s[1]?(this._$AH=Array(s.length-1).fill(new String),this.strings=s):this._$AH=E}_$AI(t,i=this,s,e){const h=this.strings;let o=!1;if(void 0===h)t=S(this,t,i,0),o=!c(t)||t!==this._$AH&&t!==T,o&&(this._$AH=t);else{const e=t;let n,r;for(t=h[0],n=0;n{const e=s?.renderBefore??i;let h=e._$litPart$;if(void 0===h){const t=s?.renderBefore??null;e._$litPart$=h=new R(i.insertBefore(l(),t),t,void 0,s??{})}return h._$AI(t),h};export{Z as _$LH,x as html,w as mathml,T as noChange,E as nothing,B as render,b as svg};\n//# sourceMappingURL=lit-html.js.map\n","import{ReactiveElement as t}from\"@lit/reactive-element\";export*from\"@lit/reactive-element\";import{render as e,noChange as r}from\"lit-html\";export*from\"lit-html\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */const s=globalThis;class i extends t{constructor(){super(...arguments),this.renderOptions={host:this},this._$Do=void 0}createRenderRoot(){const t=super.createRenderRoot();return this.renderOptions.renderBefore??=t.firstChild,t}update(t){const r=this.render();this.hasUpdated||(this.renderOptions.isConnected=this.isConnected),super.update(t),this._$Do=e(r,this.renderRoot,this.renderOptions)}connectedCallback(){super.connectedCallback(),this._$Do?.setConnected(!0)}disconnectedCallback(){super.disconnectedCallback(),this._$Do?.setConnected(!1)}render(){return r}}i._$litElement$=!0,i[\"finalized\"]=!0,s.litElementHydrateSupport?.({LitElement:i});const o=s.litElementPolyfillSupport;o?.({LitElement:i});const n={_$AK:(t,e,r)=>{t._$AK(e,r)},_$AL:t=>t._$AL};(s.litElementVersions??=[]).push(\"4.2.1\");export{i as LitElement,n as _$LE};\n//# sourceMappingURL=lit-element.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t=t=>(e,o)=>{void 0!==o?o.addInitializer((()=>{customElements.define(t,e)})):customElements.define(t,e)};export{t as customElement};\n//# sourceMappingURL=custom-element.js.map\n","import{defaultConverter as t,notEqual as e}from\"../reactive-element.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */const o={attribute:!0,type:String,converter:t,reflect:!1,hasChanged:e},r=(t=o,e,r)=>{const{kind:n,metadata:i}=r;let s=globalThis.litPropertyMetadata.get(i);if(void 0===s&&globalThis.litPropertyMetadata.set(i,s=new Map),\"setter\"===n&&((t=Object.create(t)).wrapped=!0),s.set(r.name,t),\"accessor\"===n){const{name:o}=r;return{set(r){const n=e.get.call(this);e.set.call(this,r),this.requestUpdate(o,n,t)},init(e){return void 0!==e&&this.C(o,void 0,t,e),e}}}if(\"setter\"===n){const{name:o}=r;return function(r){const n=this[o];e.call(this,r),this.requestUpdate(o,n,t)}}throw Error(\"Unsupported decorator location: \"+n)};function n(t){return(e,o)=>\"object\"==typeof o?r(t,e,o):((t,e,o)=>{const r=e.hasOwnProperty(o);return e.constructor.createProperty(o,t),r?Object.getOwnPropertyDescriptor(e,o):void 0})(t,e,o)}export{n as property,r as standardProperty};\n//# sourceMappingURL=property.js.map\n","import{property as t}from\"./property.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */function r(r){return t({...r,state:!0,attribute:!1})}export{r as state};\n//# sourceMappingURL=state.js.map\n","/**\n * DOM Configuration Reader\n *\n * Reads runtime configuration from hidden DOM elements injected by DITA publishing.\n * This allows configuration to be set via Oxygen Transformation Scenario parameters.\n *\n * Pattern: value\n */\n\nimport { info, warn } from '../utils/logger.js';\n\n/**\n * Configuration keys that can be read from DOM\n */\nexport interface DOMConfig {\n /**\n * CSS selector for status panel container\n * Default: '.wh_top_menu_and_indexterms_link'\n * DOM ID: 'qd-status-container'\n */\n statusPanelContainer: string;\n\n /**\n * CSS selector for publication title element (Release ID extraction)\n * Default: '.wh_publication_title .title'\n * DOM ID: 'qd-title-selector'\n */\n titleSelector: string;\n\n /**\n * Instructor password hash (12-character hash for verification)\n * Default: '' (no instructor access)\n * DOM ID: 'qd-instructor-hash'\n */\n instructorHash: string;\n\n /**\n * IndexedDB database name\n * REQUIRED: Must be provided via #qd-db-name element - no default\n * DOM ID: 'qd-db-name'\n */\n dbName: string;\n}\n\n/**\n * Default configuration values\n * NOTE: dbName has NO default - it MUST be provided via #qd-db-name element\n */\nconst DEFAULT_CONFIG: Omit & { dbName: string } = {\n statusPanelContainer: '.wh_top_menu_and_indexterms_link',\n titleSelector: '.wh_publication_title .title',\n instructorHash: '',\n dbName: '', // No default - must be provided by page\n};\n\n/**\n * Configuration element IDs\n */\nexport const CONFIG_IDS = {\n statusPanelContainer: 'qd-status-container',\n titleSelector: 'qd-title-selector',\n instructorHash: 'qd-instructor-hash',\n dbName: 'qd-db-name',\n} as const;\n\n/**\n * Help content configuration element IDs\n */\nexport const HELP_CONFIG_IDS = {\n login: 'qd-help-login',\n status: 'qd-help-status',\n instructor: 'qd-help-instructor',\n} as const;\n\n/**\n * Default help content for each panel type\n */\nconst HELP_DEFAULTS: Record<'login' | 'status' | 'instructor', string> = {\n login: '

            Welcome

            Enter Service ID and name to log in. Instructors: click \"Instructor\" for admin.

            ',\n status: '

            Your Score

            Green=All correct, Amber=Some answered, Red=None answered

            ',\n instructor: '

            Instructor Tools

            View Scores: See results. Export: Download CSV. Erase: Clear data.

            ',\n};\n\n/**\n * Read help content for a specific panel type\n *\n * @param panelType - Which panel's help content to read ('login', 'status', 'instructor')\n * @returns HTML content string from config span or default content\n */\nexport function readHelpContent(panelType: 'login' | 'status' | 'instructor'): string {\n const elementId = HELP_CONFIG_IDS[panelType];\n const element = document.getElementById(elementId);\n const content = element?.innerHTML?.trim();\n\n if (content) {\n info(`Help content read from #${elementId}`);\n return content;\n }\n\n info(`Using default help content for ${panelType}`);\n return HELP_DEFAULTS[panelType];\n}\n\n/**\n * Read a configuration value from a hidden DOM element\n *\n * @param elementId - ID of the hidden element\n * @param defaultValue - Default value if element not found\n * @returns Trimmed text content or default value\n */\nfunction readConfigElement(elementId: string, defaultValue: string): string {\n const element = document.querySelector(`#${elementId}`);\n\n if (!element) {\n return defaultValue;\n }\n\n const value = element.textContent?.trim() || '';\n\n if (value === '') {\n warn(`Config element #${elementId} found but empty, using default: \"${defaultValue}\"`);\n return defaultValue;\n }\n\n info(`Config read from #${elementId}: \"${value}\"`);\n return value;\n}\n\n/**\n * Read a REQUIRED configuration value from a hidden DOM element\n *\n * @param elementId - ID of the hidden element\n * @throws Error if element not found or value is empty\n * @returns Trimmed text content\n */\nfunction readRequiredConfigElement(elementId: string): string {\n const element = document.querySelector(`#${elementId}`);\n\n if (!element) {\n const msg = `FATAL: Required config element #${elementId} not found in DOM. Processing stopped.`;\n console.error(msg);\n throw new Error(msg);\n }\n\n const value = element.textContent?.trim() || '';\n\n if (value === '') {\n const msg = `FATAL: Required config element #${elementId} is empty. Processing stopped.`;\n console.error(msg);\n throw new Error(msg);\n }\n\n info(`Required config read from #${elementId}: \"${value}\"`);\n return value;\n}\n\n/**\n * Read all configuration from DOM\n *\n * Scans the document for hidden configuration elements and returns a complete\n * configuration object with defaults applied for any missing values.\n *\n * @returns Complete configuration with defaults applied\n */\nexport function readDOMConfig(): DOMConfig {\n info('Reading configuration from DOM...');\n\n // dbName is REQUIRED - throws if missing/empty\n const dbName = readRequiredConfigElement(CONFIG_IDS.dbName);\n\n const config: DOMConfig = {\n statusPanelContainer: readConfigElement(\n CONFIG_IDS.statusPanelContainer,\n DEFAULT_CONFIG.statusPanelContainer,\n ),\n titleSelector: readConfigElement(CONFIG_IDS.titleSelector, DEFAULT_CONFIG.titleSelector),\n instructorHash: readConfigElement(CONFIG_IDS.instructorHash, DEFAULT_CONFIG.instructorHash),\n dbName,\n };\n\n info('Configuration loaded:', config);\n\n return config;\n}\n\n/**\n * Get default configuration\n *\n * @returns Default configuration object\n */\nexport function getDefaultConfig(): DOMConfig {\n return { ...DEFAULT_CONFIG };\n}\n","/**\n * PIN Authentication Service\n *\n * Provides secure PIN hashing and verification using Web Crypto API.\n * Implements constant-time comparison to prevent timing attacks.\n */\n\nimport { PIN_CONSTANTS } from '../../types/contracts.js';\n\n/**\n * PIN validation result\n */\nexport interface PinValidationResult {\n valid: boolean;\n error?: string;\n}\n\n/**\n * Hash a PIN using SHA-256\n *\n * @param pin - 4-digit PIN to hash\n * @returns Promise resolving to hex-encoded hash\n */\nexport async function hashPin(pin: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(pin);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n}\n\n/**\n * Verify a PIN against a stored hash\n *\n * Uses constant-time comparison to prevent timing attacks.\n *\n * @param pin - PIN to verify\n * @param storedHash - Stored SHA-256 hash\n * @returns Promise resolving to true if PIN matches\n */\nexport async function verifyPin(pin: string, storedHash: string): Promise {\n const inputHash = await hashPin(pin);\n return constantTimeCompare(inputHash, storedHash);\n}\n\n/**\n * Constant-time string comparison\n *\n * Compares strings in constant time to prevent timing attacks.\n * XORs each character and accumulates differences.\n *\n * @param a - First string\n * @param b - Second string\n * @returns true if strings are equal\n */\nfunction constantTimeCompare(a: string, b: string): boolean {\n if (a.length !== b.length) {\n return false;\n }\n\n let result = 0;\n for (let i = 0; i < a.length; i++) {\n result |= a.charCodeAt(i) ^ b.charCodeAt(i);\n }\n return result === 0;\n}\n\n/**\n * Validate PIN format\n *\n * @param pin - PIN to validate\n * @returns Validation result with error message if invalid\n */\nexport function validatePinFormat(pin: string): PinValidationResult {\n if (!pin) {\n return { valid: false, error: 'PIN is required' };\n }\n\n if (pin.length !== PIN_CONSTANTS.PIN_LENGTH) {\n return { valid: false, error: `PIN must be exactly ${PIN_CONSTANTS.PIN_LENGTH} digits` };\n }\n\n if (!/^\\d+$/.test(pin)) {\n return { valid: false, error: 'PIN must contain only digits' };\n }\n\n return { valid: true };\n}\n\n/**\n * Validate PIN confirmation matches\n *\n * @param pin - Original PIN\n * @param confirm - Confirmation PIN\n * @returns Validation result with error message if mismatch\n */\nexport function validatePinConfirmation(pin: string, confirm: string): PinValidationResult {\n if (pin !== confirm) {\n return { valid: false, error: 'PINs do not match' };\n }\n return { valid: true };\n}\n","/**\n * Rate Limiter Service for PIN Authentication\n *\n * Tracks failed PIN attempts using sessionStorage.\n * Implements lockout after 3 failed attempts for 30 seconds.\n */\n\nimport type { PinAttemptState, ServiceId } from '../../types/contracts.js';\nimport { PIN_CONSTANTS, STORAGE_KEYS } from '../../types/contracts.js';\nimport { info, warn, maskServiceId } from '../../utils/logger.js';\n\n/**\n * Get the storage key for a service ID's PIN attempts\n */\nfunction getAttemptKey(serviceId: ServiceId): string {\n return `${STORAGE_KEYS.PIN_ATTEMPTS}:${serviceId}`;\n}\n\n/**\n * Get the current PIN attempt state for a service ID\n *\n * @param serviceId - Student service ID\n * @returns Current attempt state or null if none\n */\nexport function getAttemptState(serviceId: ServiceId): PinAttemptState | null {\n const key = getAttemptKey(serviceId);\n const data = sessionStorage.getItem(key);\n if (!data) {\n return null;\n }\n try {\n return JSON.parse(data) as PinAttemptState;\n } catch {\n return null;\n }\n}\n\n/**\n * Check if a service ID is currently locked out\n *\n * @param serviceId - Student service ID\n * @returns Object with isLocked status and remainingMs if locked\n */\nexport function checkLockout(serviceId: ServiceId): { isLocked: boolean; remainingMs: number } {\n const state = getAttemptState(serviceId);\n if (!state || !state.lockoutUntil) {\n return { isLocked: false, remainingMs: 0 };\n }\n\n const lockoutTime = new Date(state.lockoutUntil).getTime();\n const now = Date.now();\n\n if (lockoutTime > now) {\n return { isLocked: true, remainingMs: lockoutTime - now };\n }\n\n // Lockout expired, clear state\n clearAttemptState(serviceId);\n return { isLocked: false, remainingMs: 0 };\n}\n\n/**\n * Record a failed PIN attempt\n *\n * Increments attempt counter and sets lockout if threshold reached.\n *\n * @param serviceId - Student service ID\n * @returns Updated attempt state\n */\nexport function recordFailedAttempt(serviceId: ServiceId): PinAttemptState {\n const now = new Date().toISOString();\n let state = getAttemptState(serviceId);\n\n if (!state) {\n state = {\n serviceId,\n attempts: 0,\n lockoutUntil: null,\n lastAttempt: now,\n };\n }\n\n state.attempts += 1;\n state.lastAttempt = now;\n\n // Check if lockout threshold reached\n if (state.attempts >= PIN_CONSTANTS.MAX_ATTEMPTS) {\n const lockoutTime = new Date(Date.now() + PIN_CONSTANTS.LOCKOUT_MS);\n state.lockoutUntil = lockoutTime.toISOString();\n warn(\n `PIN lockout triggered for ${maskServiceId(serviceId)} after ${state.attempts} failed attempts`,\n );\n } else {\n info(\n `Failed PIN attempt ${state.attempts}/${PIN_CONSTANTS.MAX_ATTEMPTS} for ${maskServiceId(serviceId)}`,\n );\n }\n\n // Save to sessionStorage\n const key = getAttemptKey(serviceId);\n sessionStorage.setItem(key, JSON.stringify(state));\n\n return state;\n}\n\n/**\n * Clear PIN attempt state on successful login\n *\n * @param serviceId - Student service ID\n */\nexport function clearAttemptState(serviceId: ServiceId): void {\n const state = getAttemptState(serviceId);\n if (state && state.attempts > 0) {\n info(\n `Cleared ${state.attempts} failed PIN attempts for ${maskServiceId(serviceId)} on successful login`,\n );\n }\n const key = getAttemptKey(serviceId);\n sessionStorage.removeItem(key);\n}\n\n/**\n * Get remaining attempts before lockout\n *\n * @param serviceId - Student service ID\n * @returns Number of attempts remaining (0 if locked out)\n */\nexport function getRemainingAttempts(serviceId: ServiceId): number {\n const state = getAttemptState(serviceId);\n if (!state) {\n return PIN_CONSTANTS.MAX_ATTEMPTS;\n }\n\n const lockout = checkLockout(serviceId);\n if (lockout.isLocked) {\n return 0;\n }\n\n return Math.max(0, PIN_CONSTANTS.MAX_ATTEMPTS - state.attempts);\n}\n","/**\n * Build Info Component\n *\n * Displays a small info icon (i) that shows build information on hover.\n * Tooltip shows: app name and build date.\n *\n * @element qd-build-info\n *\n * @example\n * ```html\n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement } from 'lit/decorators.js';\n\n// Type declaration for Vite build-time constant\ndeclare const __BUILD_DATE__: string;\n\n/**\n * Build info component with tooltip\n */\n@customElement('qd-build-info')\nexport class QdBuildInfo extends LitElement {\n static styles = css`\n :host {\n display: inline-block;\n position: relative;\n }\n\n .info-icon {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 16px;\n height: 16px;\n border-radius: 50%;\n background: #6c757d;\n color: white;\n font-size: 10px;\n font-weight: bold;\n font-style: italic;\n font-family: Georgia, serif;\n cursor: help;\n user-select: none;\n }\n\n .info-icon:hover {\n background: #5a6268;\n }\n\n .tooltip {\n position: absolute;\n top: 50%;\n right: 100%;\n transform: translateY(-50%);\n margin-right: 8px;\n padding: 8px 12px;\n background: #333;\n color: white;\n font-size: 11px;\n font-style: normal;\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n border-radius: 4px;\n white-space: nowrap;\n opacity: 0;\n visibility: hidden;\n transition:\n opacity 0.2s,\n visibility 0.2s;\n z-index: 1000;\n pointer-events: none;\n }\n\n .tooltip::after {\n content: '';\n position: absolute;\n top: 50%;\n left: 100%;\n transform: translateY(-50%);\n border: 5px solid transparent;\n border-left-color: #333;\n }\n\n .info-icon:hover + .tooltip,\n .info-icon:focus + .tooltip {\n opacity: 1;\n visibility: visible;\n }\n\n .tooltip-line {\n display: block;\n line-height: 1.4;\n }\n `;\n\n render() {\n const buildDate = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : 'Development';\n\n return html`\n i\n
            \n BrowserTest, from Deep Blue C Ltd\n Built ${buildDate}\n
            \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-build-info': QdBuildInfo;\n }\n}\n","/**\n * Base Modal Component\n *\n * Reusable modal with backdrop, keyboard handling, and focus trap.\n * Uses portal pattern to render to document.body for proper z-index stacking.\n * Used as base for scores modal, password modal, and confirm dialogs.\n *\n * @element qd-modal\n * @fires {CustomEvent} qd:modal-close - Emitted when modal closes via Escape or backdrop click\n *\n * @slot - Default slot for modal content\n * @slot header - Optional header slot for modal title\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, nothing } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\n\n// Track currently open modal for collision handling\nlet currentOpenModal: QdModal | null = null;\n\n// Modal styles as inline CSS for portal rendering\nconst MODAL_STYLES = `\n .qd-modal-backdrop {\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: rgba(0, 0, 0, 0.5);\n display: flex;\n align-items: center;\n justify-content: center;\n z-index: 99999;\n font-family: system-ui, -apple-system, sans-serif;\n animation: qd-modal-fadeIn 0.15s ease-out;\n }\n\n @keyframes qd-modal-fadeIn {\n from { opacity: 0; }\n to { opacity: 1; }\n }\n\n .qd-modal-content {\n background: white;\n border-radius: 8px;\n box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);\n max-width: 90vw;\n max-height: 90vh;\n overflow: auto;\n animation: qd-modal-slideIn 0.15s ease-out;\n }\n\n @keyframes qd-modal-slideIn {\n from { transform: translateY(-20px); opacity: 0; }\n to { transform: translateY(0); opacity: 1; }\n }\n\n .qd-modal-header {\n padding: 16px 20px;\n border-bottom: 1px solid #eee;\n font-weight: 600;\n font-size: 18px;\n }\n\n .qd-modal-header:empty {\n display: none;\n }\n\n .qd-modal-body {\n padding: 20px;\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n`;\n\n/**\n * Base modal component with common modal behavior\n * Renders to document.body for proper z-index stacking\n */\n@customElement('qd-modal')\nexport class QdModal extends LitElement {\n /**\n * Whether the modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Whether the modal can be closed via Escape/backdrop click\n */\n @property({ type: Boolean })\n closable = true;\n\n /**\n * Previously focused element (for focus restoration)\n */\n private previouslyFocused: Element | null = null;\n\n /**\n * Portal element appended to body\n */\n private portalElement: HTMLDivElement | null = null;\n\n /**\n * Style element for modal CSS\n */\n private static styleElement: HTMLStyleElement | null = null;\n\n /**\n * Map of original elements to their clones for event forwarding\n */\n private cloneMap: Map = new Map();\n\n /**\n * Observer for child mutations to auto-refresh portal\n */\n private childObserver: MutationObserver | null = null;\n\n connectedCallback() {\n super.connectedCallback();\n document.addEventListener('keydown', this.handleKeyDown);\n this.ensureStyles();\n\n // Observe child changes to auto-refresh portal\n this.childObserver = new MutationObserver(() => {\n if (this.open && this.portalElement) {\n this.createPortal();\n }\n });\n this.childObserver.observe(this, {\n childList: true,\n subtree: true,\n characterData: true,\n });\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('keydown', this.handleKeyDown);\n this.removePortal();\n\n // Disconnect child observer\n this.childObserver?.disconnect();\n this.childObserver = null;\n\n // Clean up if this was the open modal\n if (currentOpenModal === this) {\n currentOpenModal = null;\n }\n }\n\n updated(changedProperties: Map) {\n if (changedProperties.has('open')) {\n if (this.open) {\n this.handleOpen();\n } else {\n this.handleClose();\n }\n }\n }\n\n /**\n * Ensure modal styles are added to document head (once)\n */\n private ensureStyles() {\n if (!QdModal.styleElement) {\n QdModal.styleElement = document.createElement('style');\n QdModal.styleElement.textContent = MODAL_STYLES;\n document.head.appendChild(QdModal.styleElement);\n }\n }\n\n /**\n * Create and append portal to body\n */\n private createPortal() {\n this.removePortal();\n this.cloneMap.clear();\n\n // Create portal container\n this.portalElement = document.createElement('div');\n this.portalElement.className = 'qd-modal-backdrop';\n this.portalElement.addEventListener('click', this.handleBackdropClick);\n\n // Create content wrapper\n const content = document.createElement('div');\n content.className = 'qd-modal-content';\n content.setAttribute('role', 'dialog');\n content.setAttribute('aria-modal', 'true');\n content.addEventListener('click', this.stopPropagation);\n\n // Create header\n const header = document.createElement('div');\n header.className = 'qd-modal-header';\n\n // Create body\n const body = document.createElement('div');\n body.className = 'qd-modal-body';\n\n // Move slotted content to portal\n const headerSlot = this.querySelector('[slot=\"header\"]');\n if (headerSlot) {\n header.appendChild(headerSlot.cloneNode(true));\n }\n\n // Clone all non-header slotted content and track mappings\n Array.from(this.children).forEach((child) => {\n if (!child.hasAttribute('slot') || child.getAttribute('slot') !== 'header') {\n const clone = child.cloneNode(true) as Element;\n this.cloneMap.set(child, clone);\n body.appendChild(clone);\n }\n });\n\n content.appendChild(header);\n content.appendChild(body);\n this.portalElement.appendChild(content);\n document.body.appendChild(this.portalElement);\n\n // Add event forwarding for forms in the portal\n this.setupFormEventForwarding(body);\n }\n\n /**\n * Setup event forwarding for forms in cloned content\n * Since cloneNode() loses Lit event bindings, we add native listeners\n * that dispatch events to the original elements\n */\n private setupFormEventForwarding(container: HTMLElement) {\n const forms = container.querySelectorAll('form');\n forms.forEach((form) => {\n form.addEventListener('submit', (event) => {\n event.preventDefault();\n\n // Get form data to include in forwarded event\n const formData = new FormData(form);\n const data: Record = {};\n formData.forEach((value, key) => {\n if (typeof value === 'string') {\n data[key] = value;\n }\n });\n\n // Find password input specifically for password modals\n const passwordInput = form.querySelector('input[type=\"password\"]') as HTMLInputElement;\n if (passwordInput) {\n data['password'] = passwordInput.value;\n }\n\n // Dispatch event from the qd-modal element so parent can listen\n const submitEvent = new CustomEvent('qd:password-submit', {\n detail: data,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(submitEvent);\n });\n });\n }\n\n /**\n * Remove portal from body\n */\n private removePortal() {\n if (this.portalElement) {\n this.portalElement.remove();\n this.portalElement = null;\n }\n }\n\n render() {\n // Portal renders to body, so component itself renders nothing\n return nothing;\n }\n\n /**\n * Open the modal\n */\n show() {\n this.open = true;\n }\n\n /**\n * Close the modal\n */\n close() {\n this.open = false;\n }\n\n /**\n * Refresh portal content by re-cloning from source\n * Call this when slotted content changes and needs to sync to portal\n */\n refreshPortal() {\n if (this.open && this.portalElement) {\n this.createPortal();\n }\n }\n\n /**\n * Handle modal opening\n */\n private handleOpen() {\n // Modal collision: close any existing open modal\n if (currentOpenModal && currentOpenModal !== this) {\n currentOpenModal.close();\n }\n // eslint-disable-next-line @typescript-eslint/no-this-alias -- needed for modal collision tracking\n currentOpenModal = this;\n\n // Store currently focused element for restoration\n this.previouslyFocused = document.activeElement;\n\n // Create portal\n this.createPortal();\n\n // Focus first focusable element after render\n requestAnimationFrame(() => {\n this.focusFirstElement();\n });\n }\n\n /**\n * Handle modal closing\n */\n private handleClose() {\n if (currentOpenModal === this) {\n currentOpenModal = null;\n }\n\n // Remove portal\n this.removePortal();\n\n // Restore focus\n if (this.previouslyFocused instanceof HTMLElement) {\n this.previouslyFocused.focus();\n }\n }\n\n /**\n * Focus the first focusable element in the modal\n */\n private focusFirstElement() {\n if (!this.portalElement) return;\n\n const focusable = this.portalElement.querySelector(\n 'button, [href], input, select, textarea, [tabindex]:not([tabindex=\"-1\"])',\n );\n if (focusable) {\n focusable.focus();\n }\n }\n\n /**\n * Handle keyboard events\n */\n private handleKeyDown = (event: KeyboardEvent) => {\n if (event.key === 'Escape' && this.open && this.closable) {\n this.emitCloseEvent();\n this.close();\n }\n };\n\n /**\n * Handle backdrop click\n */\n private handleBackdropClick = () => {\n if (this.closable) {\n this.emitCloseEvent();\n this.close();\n }\n };\n\n /**\n * Stop propagation for content clicks\n */\n private stopPropagation = (event: Event) => {\n event.stopPropagation();\n };\n\n /**\n * Emit close event\n */\n private emitCloseEvent() {\n const event = new CustomEvent('qd:modal-close', {\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-modal': QdModal;\n }\n}\n","/**\n * Password modal component\n *\n * Reusable password entry modal using qd-modal base.\n * Used by qd-login for instructor authentication.\n *\n * Feature: 007-lit-component-refactor\n *\n * @element qd-password-modal\n * @fires {CustomEvent<{password: string}>} qd:password-submit - Emitted on form submission\n * @fires {CustomEvent} close - Emitted when modal closes\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state, query } from 'lit/decorators.js';\nimport './qd-modal.js';\n\n@customElement('qd-password-modal')\nexport class QdPasswordModal extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .password-form {\n display: flex;\n flex-direction: column;\n gap: 16px;\n padding: 8px 0;\n }\n\n .form-field {\n display: flex;\n flex-direction: column;\n gap: 4px;\n }\n\n label {\n font-size: 13px;\n font-weight: 500;\n color: #333;\n }\n\n input[type='password'] {\n padding: 8px 12px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 14px;\n width: 100%;\n box-sizing: border-box;\n }\n\n input[type='password']:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n\n .button-row {\n display: flex;\n gap: 8px;\n justify-content: flex-end;\n margin-top: 8px;\n }\n\n button {\n padding: 8px 16px;\n border: none;\n border-radius: 4px;\n font-size: 13px;\n font-weight: 500;\n cursor: pointer;\n transition: background-color 0.2s;\n }\n\n button[type='submit'] {\n background: #0066cc;\n color: white;\n }\n\n button[type='submit']:hover {\n background: #0052a3;\n }\n\n button[type='button'] {\n background: #e0e0e0;\n color: #333;\n }\n\n button[type='button']:hover {\n background: #d0d0d0;\n }\n `;\n\n /**\n * Whether modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Modal title\n */\n @property({ type: String })\n title = 'Enter Password';\n\n /**\n * Error message to display\n */\n @property({ type: String })\n error = '';\n\n /**\n * Internal password value\n */\n @state()\n private password = '';\n\n /**\n * Reference to password input\n */\n @query('input[type=\"password\"]')\n private passwordInput!: HTMLInputElement;\n\n /**\n * Show the modal\n */\n show(): void {\n this.open = true;\n this.password = '';\n this.error = '';\n }\n\n /**\n * Close the modal\n */\n close(): void {\n this.open = false;\n this.password = '';\n this.error = '';\n this.dispatchEvent(new CustomEvent('close', { bubbles: true, composed: true }));\n }\n\n /**\n * Handle modal close from qd-modal\n */\n private handleModalClose = (): void => {\n this.close();\n };\n\n /**\n * Handle password input\n */\n private handleInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.password = input.value;\n // Clear error on input\n if (this.error) {\n this.error = '';\n }\n };\n\n /**\n * Handle form submission (from Lit binding - only works without portal)\n */\n private handleSubmit = (e: Event): void => {\n e.preventDefault();\n\n if (!this.password.trim()) {\n return;\n }\n\n this.dispatchEvent(\n new CustomEvent('qd:password-submit', {\n detail: { password: this.password },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle forwarded submit from qd-modal portal\n * When form is cloned to portal, qd-modal dispatches this event\n */\n private handleForwardedSubmit = (e: CustomEvent<{ password?: string }>): void => {\n // Stop propagation so event doesn't bubble further\n e.stopPropagation();\n\n const password = e.detail?.password || '';\n if (!password.trim()) {\n return;\n }\n\n // Re-dispatch from this component\n this.dispatchEvent(\n new CustomEvent('qd:password-submit', {\n detail: { password },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle cancel button\n */\n private handleCancel = (): void => {\n this.close();\n };\n\n /**\n * Sync error message directly to portal DOM\n * Since portal clones content once, we need to inject/update the error div directly\n */\n private syncErrorToPortal(): void {\n // Find the portal backdrop in document.body\n const backdrop = document.querySelector('.qd-modal-backdrop');\n if (!backdrop) return;\n\n const form = backdrop.querySelector('form.password-form');\n if (!form) return;\n\n // Find existing error message in portal\n let errorDiv = form.querySelector('.error-message');\n\n if (this.error) {\n // Create or update error message\n if (!errorDiv) {\n errorDiv = document.createElement('div');\n errorDiv.className = 'error-message';\n // Apply inline styles (portal is outside shadow DOM, so CSS rules don't apply)\n (errorDiv as HTMLElement).style.cssText = `\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n `;\n // Insert before button row\n const buttonRow = form.querySelector('.button-row');\n if (buttonRow) {\n form.insertBefore(errorDiv, buttonRow);\n } else {\n form.appendChild(errorDiv);\n }\n }\n errorDiv.textContent = this.error;\n } else {\n // Remove error message if no error\n errorDiv?.remove();\n }\n }\n\n /**\n * Focus password input when modal opens, refresh portal when error changes\n */\n override updated(changedProps: Map): void {\n if (changedProps.has('open') && this.open) {\n // Reset state when opening\n this.password = '';\n // Focus input after render\n void this.updateComplete.then(() => {\n this.passwordInput?.focus();\n });\n }\n\n // When error changes, directly inject error into portal DOM\n // The portal pattern clones content once, so we need to inject the error directly\n if (changedProps.has('error') && this.open) {\n void this.updateComplete.then(() => {\n setTimeout(() => {\n this.syncErrorToPortal();\n }, 0);\n });\n }\n }\n\n override render() {\n // Don't render form when closed - prevents duplicate submit buttons in parent\n if (!this.open) {\n return nothing;\n }\n\n return html`\n \n ${this.title}\n\n
            \n
            \n \n \n
            \n\n ${this.error ? html`
            ${this.error}
            ` : ''}\n\n
            \n \n \n
            \n
            \n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-password-modal': QdPasswordModal;\n }\n}\n","import{desc as t}from\"./base.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */function e(e,r){return(n,s,i)=>{const o=t=>t.renderRoot?.querySelector(e)??null;if(r){const{get:e,set:r}=\"object\"==typeof s?n:i??(()=>{const t=Symbol();return{get(){return this[t]},set(e){this[t]=e}}})();return t(n,s,{get(){let t=e.call(this);return void 0===t&&(t=o(this),(null!==t||this.hasUpdated)&&r.call(this,t)),t}})}return t(n,s,{get(){return o(this)}})}}export{e as query};\n//# sourceMappingURL=query.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst e=(e,t,c)=>(c.configurable=!0,c.enumerable=!0,Reflect.decorate&&\"object\"!=typeof t&&Object.defineProperty(e,t,c),c);export{e as desc};\n//# sourceMappingURL=base.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t={ATTRIBUTE:1,CHILD:2,PROPERTY:3,BOOLEAN_ATTRIBUTE:4,EVENT:5,ELEMENT:6},e=t=>(...e)=>({_$litDirective$:t,values:e});class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,e,i){this._$Ct=t,this._$AM=e,this._$Ci=i}_$AS(t,e){return this.update(t,e)}update(t,e){return this.render(...e)}}export{i as Directive,t as PartType,e as directive};\n//# sourceMappingURL=directive.js.map\n","import{nothing as t,noChange as i}from\"../lit-html.js\";import{Directive as r,PartType as s,directive as n}from\"../directive.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */class e extends r{constructor(i){if(super(i),this.it=t,i.type!==s.CHILD)throw Error(this.constructor.directiveName+\"() can only be used in child bindings\")}render(r){if(r===t||null==r)return this._t=void 0,this.it=r;if(r===i)return r;if(\"string\"!=typeof r)throw Error(this.constructor.directiveName+\"() called with a non-string value\");if(r===this.it)return this._t;this.it=r;const s=[r];return s.raw=s,this._t={_$litType$:this.constructor.resultType,strings:s,values:[]}}}e.directiveName=\"unsafeHTML\",e.resultType=1;const o=n(e);export{e as UnsafeHTMLDirective,o as unsafeHTML};\n//# sourceMappingURL=unsafe-html.js.map\n","/**\n * Confirmation dialog component\n *\n * Reusable confirmation modal using qd-modal base.\n * Supports confirm/cancel buttons with optional destructive styling.\n *\n * Feature: 007-lit-component-refactor\n *\n * @element qd-confirm-dialog\n * @fires {CustomEvent} qd:confirm - Emitted when confirm button is clicked\n * @fires {CustomEvent} qd:cancel - Emitted when cancel button is clicked or dialog is dismissed\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { unsafeHTML } from 'lit/directives/unsafe-html.js';\nimport './qd-modal.js';\n\n@customElement('qd-confirm-dialog')\nexport class QdConfirmDialog extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .confirm-content {\n padding: 8px 0;\n }\n\n .message {\n font-size: 14px;\n color: #333;\n line-height: 1.5;\n margin-bottom: 24px;\n }\n\n .button-row {\n display: flex;\n gap: 8px;\n justify-content: flex-end;\n }\n\n button {\n padding: 8px 16px;\n border: none;\n border-radius: 4px;\n font-size: 13px;\n font-weight: 500;\n cursor: pointer;\n transition: background-color 0.2s;\n }\n\n .cancel-btn {\n background: #e0e0e0;\n color: #333;\n }\n\n .cancel-btn:hover {\n background: #d0d0d0;\n }\n\n .confirm-btn {\n background: #0066cc;\n color: white;\n }\n\n .confirm-btn:hover {\n background: #0052a3;\n }\n\n .confirm-btn.destructive {\n background: #d32f2f;\n }\n\n .confirm-btn.destructive:hover {\n background: #b71c1c;\n }\n `;\n\n /**\n * Whether dialog is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Dialog title\n */\n @property({ type: String })\n title = 'Confirm';\n\n /**\n * Message to display (supports HTML)\n */\n @property({ type: String })\n message = '';\n\n /**\n * Text for confirm button\n */\n @property({ type: String })\n confirmText = 'Confirm';\n\n /**\n * Text for cancel button\n */\n @property({ type: String })\n cancelText = 'Cancel';\n\n /**\n * Whether this is a destructive action (red confirm button)\n */\n @property({ type: Boolean })\n destructive = false;\n\n /**\n * Show the dialog\n */\n show(): void {\n this.open = true;\n }\n\n /**\n * Close the dialog\n */\n close(): void {\n this.open = false;\n }\n\n /**\n * Handle modal close from qd-modal (backdrop click, Escape)\n */\n private handleModalClose = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:cancel', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle confirm button click\n */\n private handleConfirm = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:confirm', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle cancel button click\n */\n private handleCancel = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:cancel', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n override render() {\n return html`\n \n ${this.title}\n\n
            \n
            ${unsafeHTML(this.message)}
            \n\n
            \n \n \n ${this.confirmText}\n \n
            \n
            \n             \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-confirm-dialog': QdConfirmDialog;\n }\n}\n","/**\n * Help Trigger Component\n *\n * A small help icon button (?) that triggers contextual help popups.\n * Emits qd:help-open event when activated via click or keyboard (Enter/Space).\n *\n * @element qd-help-trigger\n * @fires {CustomEvent<{panelType: string}>} qd:help-open - Emitted when help is requested\n *\n * @example\n * ```html\n * \n * ```\n *\n * Feature: 008-user-guidance-popups\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\n\n/**\n * Help trigger button component\n */\n@customElement('qd-help-trigger')\nexport class QdHelpTrigger extends LitElement {\n static styles = css`\n :host {\n display: inline-block;\n }\n\n .help-icon {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 20px;\n height: 20px;\n border-radius: 50%;\n background: #0066cc;\n color: white;\n font-size: 12px;\n font-weight: bold;\n font-family: system-ui, -apple-system, sans-serif;\n cursor: pointer;\n border: none;\n padding: 0;\n transition: background 0.15s ease;\n }\n\n .help-icon:hover {\n background: #0052a3;\n }\n\n .help-icon:focus {\n outline: 2px solid #0066cc;\n outline-offset: 2px;\n }\n\n .help-icon:active {\n background: #004080;\n }\n `;\n\n /**\n * Which panel this trigger belongs to\n */\n @property({ type: String })\n panelType: 'login' | 'status' | 'instructor' = 'login';\n\n /**\n * Handle click/activation\n */\n private handleClick = () => {\n this.dispatchEvent(\n new CustomEvent('qd:help-open', {\n detail: { panelType: this.panelType },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n render() {\n return html`\n \n ?\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-help-trigger': QdHelpTrigger;\n }\n}\n","/**\n * Help Popup Component\n *\n * A modal popup that displays contextual help content.\n * Wraps qd-modal to provide help-specific styling and behavior.\n *\n * @element qd-help-popup\n * @fires {CustomEvent} qd:modal-close - Emitted when popup closes\n *\n * @example\n * ```html\n * this.helpOpen = false}\n * >\n * ```\n *\n * Feature: 008-user-guidance-popups\n */\n\nimport { LitElement, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\n\n// Help popup styles for portal rendering\nconst HELP_POPUP_STYLES = `\n.qd-help-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:99999;font-family:system-ui,-apple-system,sans-serif}\n.qd-help-content{background:#fff;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.3);max-width:450px;max-height:80vh;overflow:auto}\n.qd-help-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #eee}\n.qd-help-title{font-weight:600;font-size:18px;color:#333;margin:0}\n.qd-help-close{background:none;border:none;font-size:24px;color:#666;cursor:pointer;padding:0;line-height:1;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:4px}\n.qd-help-close:hover{background:#f0f0f0;color:#333}\n.qd-help-close:focus{outline:2px solid #0066cc;outline-offset:2px}\n.qd-help-body{padding:20px;line-height:1.6;color:#444}\n.qd-help-body h3{margin-top:0;margin-bottom:12px;color:#333;font-size:16px}\n.qd-help-body p{margin:0 0 12px 0}\n.qd-help-body p:last-child{margin-bottom:0}\n.qd-help-body strong{color:#333}`;\n\n/**\n * Help popup modal component\n */\n@customElement('qd-help-popup')\nexport class QdHelpPopup extends LitElement {\n /**\n * Style element for help popup CSS (injected once)\n */\n private static styleElement: HTMLStyleElement | null = null;\n\n /**\n * Portal element appended to body\n */\n private portalElement: HTMLDivElement | null = null;\n\n /**\n * Previously focused element for restoration\n */\n private previouslyFocused: Element | null = null;\n\n /**\n * Whether the popup is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Popup title\n */\n @property({ type: String })\n title = 'Help';\n\n /**\n * HTML content to display (from readHelpContent)\n */\n @property({ type: String })\n content = '';\n\n /**\n * Track internal open state for portal management\n */\n @state()\n private _isOpen = false;\n\n connectedCallback() {\n super.connectedCallback();\n document.addEventListener('keydown', this.handleKeyDown);\n this.ensureStyles();\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('keydown', this.handleKeyDown);\n this.removePortal();\n }\n\n updated(changedProperties: Map) {\n if (changedProperties.has('open')) {\n if (this.open && !this._isOpen) {\n this.handleOpen();\n } else if (!this.open && this._isOpen) {\n this.handleClose();\n }\n }\n }\n\n /**\n * Ensure help popup styles are added to document head (once)\n */\n private ensureStyles() {\n if (!QdHelpPopup.styleElement) {\n QdHelpPopup.styleElement = document.createElement('style');\n QdHelpPopup.styleElement.textContent = HELP_POPUP_STYLES;\n document.head.appendChild(QdHelpPopup.styleElement);\n }\n }\n\n /**\n * Create and show the portal\n */\n private createPortal() {\n this.removePortal();\n\n // Create backdrop\n this.portalElement = document.createElement('div');\n this.portalElement.className = 'qd-help-backdrop';\n this.portalElement.addEventListener('click', this.handleBackdropClick);\n\n // Create content container\n const contentEl = document.createElement('div');\n contentEl.className = 'qd-help-content';\n contentEl.setAttribute('role', 'dialog');\n contentEl.setAttribute('aria-modal', 'true');\n contentEl.setAttribute('aria-labelledby', 'qd-help-title');\n contentEl.addEventListener('click', this.stopPropagation);\n\n // Create header\n const headerEl = document.createElement('div');\n headerEl.className = 'qd-help-header';\n\n const titleEl = document.createElement('h2');\n titleEl.className = 'qd-help-title';\n titleEl.id = 'qd-help-title';\n titleEl.textContent = this.title;\n\n const closeBtn = document.createElement('button');\n closeBtn.className = 'qd-help-close';\n closeBtn.setAttribute('aria-label', 'Close');\n closeBtn.innerHTML = '×';\n closeBtn.addEventListener('click', this.handleCloseClick);\n\n headerEl.appendChild(titleEl);\n headerEl.appendChild(closeBtn);\n\n // Create body\n const bodyEl = document.createElement('div');\n bodyEl.className = 'qd-help-body';\n bodyEl.innerHTML = this.content;\n\n contentEl.appendChild(headerEl);\n contentEl.appendChild(bodyEl);\n this.portalElement.appendChild(contentEl);\n document.body.appendChild(this.portalElement);\n\n // Focus close button\n requestAnimationFrame(() => {\n closeBtn.focus();\n });\n }\n\n /**\n * Remove portal from DOM\n */\n private removePortal() {\n if (this.portalElement) {\n this.portalElement.remove();\n this.portalElement = null;\n }\n }\n\n /**\n * Handle opening\n */\n private handleOpen() {\n this._isOpen = true;\n this.previouslyFocused = document.activeElement;\n this.createPortal();\n }\n\n /**\n * Handle closing\n */\n private handleClose() {\n this._isOpen = false;\n this.removePortal();\n\n // Restore focus\n if (this.previouslyFocused instanceof HTMLElement) {\n this.previouslyFocused.focus();\n }\n }\n\n /**\n * Handle keyboard events\n */\n private handleKeyDown = (event: KeyboardEvent) => {\n if (event.key === 'Escape' && this._isOpen) {\n this.close();\n }\n };\n\n /**\n * Handle backdrop click\n */\n private handleBackdropClick = () => {\n this.close();\n };\n\n /**\n * Handle close button click\n */\n private handleCloseClick = () => {\n this.close();\n };\n\n /**\n * Stop propagation for content clicks\n */\n private stopPropagation = (event: Event) => {\n event.stopPropagation();\n };\n\n /**\n * Close the popup and emit event\n */\n close() {\n this.open = false;\n this.dispatchEvent(\n new CustomEvent('qd:modal-close', {\n bubbles: true,\n composed: true,\n }),\n );\n }\n\n render() {\n // Portal renders to body, component renders nothing\n return nothing;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-help-popup': QdHelpPopup;\n }\n}\n","/**\n * Login Component\n *\n * Compact authentication for both students and instructors.\n * Horizontal layout with Name + Service ID fields, Login + Instructor buttons.\n * Release is read from document title (.wh_publication_title .title).\n *\n * @element qd-login\n * @fires {CustomEvent<{serviceId: string, name: string, release: string, role: 'student' | 'instructor'}>} qd:login - Emitted on successful auth\n *\n * @example\n * ```html\n *
            \n * TRV Connectors Autumn 2025\n *
            \n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state, property } from 'lit/decorators.js';\nimport { STORAGE_KEYS, SCHEMA_VERSION } from '../types/contracts.js';\nimport type { SessionData, StudentRecord } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { validateStudentForm, sanitizePinInput } from '../utils/validation-helpers.js';\nimport { SessionService } from '../services/session.js';\nimport { CONFIG_IDS } from '../config/dom-config-reader.js';\nimport { getStorageAdapter } from '../services/storage/indexeddb.js';\nimport { needsMigration, hasPinSet, completePinSetup } from '../services/storage/migration.js';\nimport { verifyPin, hashPin } from '../services/auth/pin-service.js';\nimport {\n checkLockout,\n recordFailedAttempt,\n clearAttemptState,\n getRemainingAttempts,\n} from '../services/auth/rate-limiter.js';\nimport './qd-build-info.js';\nimport './qd-password-modal.js';\nimport './qd-confirm-dialog.js';\nimport './qd-help-trigger.js';\nimport './qd-help-popup.js';\nimport { readHelpContent } from '../config/dom-config-reader.js';\n\n/**\n * Login event data\n */\ninterface LoginData {\n serviceId: string;\n name: string;\n release: string;\n role: 'student' | 'instructor';\n}\n\n/**\n * Login component for student and instructor authentication\n */\n@customElement('qd-login')\nexport class QdLogin extends LitElement {\n /**\n * Title text (configurable via init())\n */\n @property({ type: String })\n title = 'Sonar Quiz System';\n\n /**\n * Form field: Student name\n */\n @state()\n private name = '';\n\n /**\n * Form field: Service ID (2-10 alphanumeric)\n */\n @state()\n private serviceId = '';\n\n /**\n * Whether instructor modal is open\n */\n @state()\n private showInstructorModal = false;\n\n /**\n * Instructor modal error message\n */\n @state()\n private instructorError = '';\n\n /**\n * Error message to display\n */\n @state()\n private errorMessage = '';\n\n /**\n * Whether form is currently submitting\n */\n @state()\n private isSubmitting = false;\n\n /**\n * PIN input\n */\n @state()\n private pin = '';\n\n /**\n * Lockout countdown in seconds\n */\n @state()\n private lockoutSeconds = 0;\n\n /**\n * Whether PIN stored confirmation is shown\n */\n @state()\n private showPinConfirmation = false;\n\n /**\n * Whether help popup is open\n */\n @state()\n private helpOpen = false;\n\n /**\n * Lockout countdown interval\n */\n private lockoutInterval: number | null = null;\n\n static styles = css`\n :host {\n display: none; /* Hidden if already logged in */\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n }\n\n :host([data-show]) {\n display: block;\n }\n\n .login-container {\n padding: 8px 12px;\n background: #fff;\n border: 1px solid #ddd;\n border-radius: 4px;\n max-width: 480px;\n }\n\n .title {\n margin: 0 0 8px 0;\n font-size: 15px;\n font-weight: 600;\n color: #333;\n }\n\n .login-form {\n display: flex;\n gap: 6px;\n align-items: flex-start;\n flex-wrap: wrap;\n }\n\n input {\n padding: 6px 10px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 11px;\n width: 110px;\n min-width: 75px;\n max-width: 110px;\n }\n\n input.pin-input {\n width: 45px;\n min-width: 45px;\n max-width: 45px;\n text-align: center;\n letter-spacing: 1px;\n }\n\n input:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n input:disabled {\n background-color: #f5f5f5;\n cursor: not-allowed;\n }\n\n button {\n padding: 6px 12px;\n border: none;\n border-radius: 4px;\n font-size: 11px;\n font-weight: 500;\n cursor: pointer;\n transition: all 0.2s;\n white-space: nowrap;\n }\n\n .login-btn {\n background: #0066cc;\n color: white;\n }\n\n .login-btn:hover:not(:disabled) {\n background: #0052a3;\n }\n\n .login-btn:disabled {\n background: #ccc;\n cursor: not-allowed;\n }\n\n .instructor-btn {\n background: #6c757d;\n color: white;\n }\n\n .instructor-btn:hover {\n background: #5a6268;\n }\n\n .error-message {\n width: 100%;\n color: #d32f2f;\n font-size: 11px;\n margin-top: 3px;\n padding: 4px 8px;\n background: #ffebee;\n border-radius: 3px;\n border-left: 3px solid #d32f2f;\n }\n\n .lockout-message {\n width: 100%;\n color: #f57c00;\n font-size: 11px;\n margin-top: 3px;\n padding: 4px 8px;\n background: #fff3e0;\n border-radius: 3px;\n border-left: 3px solid #f57c00;\n }\n\n /* Responsive */\n @media (max-width: 600px) {\n .login-form {\n flex-direction: column;\n }\n\n input,\n button {\n width: 100%;\n }\n }\n `;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n }\n\n /**\n * Lifecycle: Called after first render completes (shadow DOM ready)\n */\n firstUpdated() {\n this.setAttribute('data-ready', '');\n }\n\n /**\n * Update visibility - show only if NOT logged in\n */\n private updateVisibility(): void {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n /**\n * Handle logout event - show login form again\n */\n private handleLogoutEvent = (): void => {\n // Reset component state\n this.name = '';\n this.serviceId = '';\n this.errorMessage = '';\n this.isSubmitting = false;\n this.showInstructorModal = false;\n this.instructorError = '';\n this.pin = '';\n this.lockoutSeconds = 0;\n this.showPinConfirmation = false;\n this.helpOpen = false;\n\n // Clean up lockout interval\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n\n // Show login form\n this.updateVisibility();\n };\n\n render() {\n return html`\n
            \n
            \n ${this.title}\n \n \n
            \n\n
            this.handleStudentLogin(e)}>\n this.handleNameInput(e)}\n ?disabled=${this.isSubmitting}\n required\n />\n\n this.handleServiceIdInput(e)}\n ?disabled=${this.isSubmitting}\n pattern=\"[A-Za-z0-9]{2,10}\"\n title=\"2-10 alphanumeric characters\"\n required\n />\n\n this.handlePinInput(e)}\n ?disabled=${this.isSubmitting || this.lockoutSeconds > 0}\n required\n />\n\n 0}\n >\n Login\n \n\n this.openInstructorModal()}\n ?disabled=${this.isSubmitting}\n >\n Instructor\n \n\n ${this.errorMessage ? html`
            ${this.errorMessage}
            ` : ''}\n ${this.lockoutSeconds > 0\n ? html`
            \n Too many attempts. Try again in ${this.lockoutSeconds}s\n
            `\n : ''}\n \n
            \n\n \n\n \n\n \n `;\n }\n\n /**\n * Handle help trigger click - open help popup\n */\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n /**\n * Handle help popup close\n */\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n /**\n * Handle password submission from modal\n */\n private handleInstructorPasswordSubmit = (e: CustomEvent<{ password: string }>): void => {\n void this.handleInstructorLogin(e.detail.password);\n };\n\n /**\n * Handle modal close\n */\n private handleInstructorModalClose = (): void => {\n this.showInstructorModal = false;\n this.instructorError = '';\n };\n\n /**\n * Handle name input\n */\n private handleNameInput(e: Event) {\n const input = e.target as HTMLInputElement;\n this.name = input.value;\n this.errorMessage = '';\n }\n\n /**\n * Handle service ID input\n */\n private handleServiceIdInput(e: Event) {\n const input = e.target as HTMLInputElement;\n this.serviceId = input.value;\n this.errorMessage = '';\n }\n\n /**\n * Handle PIN input\n */\n private handlePinInput(e: Event) {\n const input = e.target as HTMLInputElement;\n // Filter to digits only using validation helper\n this.pin = sanitizePinInput(input.value);\n this.errorMessage = '';\n }\n\n /**\n * Check if student form is valid using validation helper\n */\n private isValid(): boolean {\n const errors = validateStudentForm(this.name, this.serviceId, this.pin);\n return errors.length === 0;\n }\n\n /**\n * Get release from document title\n * Reads selector from config, then queries document\n */\n private getRelease(): string {\n // Read title selector from config element\n const selectorElement = document.getElementById(CONFIG_IDS.titleSelector);\n const selector = selectorElement?.textContent?.trim() || '.wh_publication_title .title';\n\n // Use selector to find title element\n const titleElement = document.querySelector(selector);\n return titleElement?.textContent?.trim() || '';\n }\n\n /**\n * Handle student login\n */\n private async handleStudentLogin(e: Event) {\n e.preventDefault();\n\n if (!this.isValid()) {\n this.errorMessage = 'Please enter name, service ID, and 4-digit PIN';\n return;\n }\n\n this.isSubmitting = true;\n this.errorMessage = '';\n\n try {\n const release = this.getRelease();\n if (!release) {\n this.errorMessage = 'Release not found (missing publication title element)';\n this.isSubmitting = false;\n return;\n }\n\n const serviceId = this.serviceId.trim();\n const name = this.name.trim();\n\n // Check for lockout\n const lockout = checkLockout(serviceId);\n if (lockout.isLocked) {\n this.startLockoutCountdown(lockout.remainingMs);\n this.isSubmitting = false;\n return;\n }\n\n // Get storage adapter with configured db name\n const dbNameElement = document.getElementById(CONFIG_IDS.dbName);\n if (!dbNameElement?.textContent?.trim()) {\n throw new Error(\n `Database name not configured. Add dbName to page.`,\n );\n }\n const dbName = dbNameElement.textContent.trim();\n const storage = getStorageAdapter(dbName);\n await storage.init();\n const existingStudent = await storage.getStudent(release, serviceId);\n\n if (existingStudent) {\n // Check if student needs PIN setup (migration or no PIN)\n if (needsMigration(existingStudent) || !hasPinSet(existingStudent)) {\n // Hash the entered PIN and update student\n const pinHash = await hashPin(this.pin);\n const updatedStudent = completePinSetup(existingStudent, pinHash);\n await storage.saveStudent(updatedStudent);\n\n // Emit PIN created event\n this.dispatchEvent(\n new CustomEvent('qd:pin-created', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Show confirmation and complete login\n this.showPinStoredConfirmation();\n this.completeLogin(serviceId, name, release);\n return;\n }\n\n // Existing student with PIN - verify it\n const isValid = await verifyPin(this.pin, existingStudent.pinHash || '');\n if (!isValid) {\n // Record failed attempt\n const state = recordFailedAttempt(serviceId);\n const remaining = getRemainingAttempts(serviceId);\n\n if (state.lockoutUntil) {\n const lockoutMs = new Date(state.lockoutUntil).getTime() - Date.now();\n this.startLockoutCountdown(lockoutMs);\n } else {\n this.errorMessage = `Incorrect PIN. ${remaining} attempt${remaining !== 1 ? 's' : ''} remaining`;\n }\n\n this.pin = '';\n this.isSubmitting = false;\n return;\n }\n\n // PIN verified - clear rate limit and emit event\n clearAttemptState(serviceId);\n this.dispatchEvent(\n new CustomEvent('qd:pin-verified', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n } else {\n // New student - hash PIN and create record\n const pinHash = await hashPin(this.pin);\n const newStudent: StudentRecord = {\n schema: SCHEMA_VERSION,\n docId: '',\n release,\n serviceId,\n name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n pinHash,\n pinCreatedAt: new Date().toISOString(),\n };\n await storage.saveStudent(newStudent);\n\n // Emit PIN created event\n this.dispatchEvent(\n new CustomEvent('qd:pin-created', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Show confirmation and complete login\n this.showPinStoredConfirmation();\n this.completeLogin(serviceId, name, release);\n return;\n }\n\n // Complete the login\n this.completeLogin(serviceId, name, release);\n } catch (err) {\n this.errorMessage = 'Login failed. Please try again.';\n console.error('Student login error:', err);\n this.isSubmitting = false;\n }\n }\n\n /**\n * Show confirmation popup that PIN has been stored\n */\n private showPinStoredConfirmation(): void {\n this.showPinConfirmation = true;\n }\n\n /**\n * Handle PIN confirmation dialog dismiss\n */\n private handlePinConfirmationDismiss = (): void => {\n this.showPinConfirmation = false;\n };\n\n /**\n * Start lockout countdown timer\n */\n private startLockoutCountdown(remainingMs: number): void {\n this.lockoutSeconds = Math.ceil(remainingMs / 1000);\n this.errorMessage = '';\n\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n }\n\n this.lockoutInterval = window.setInterval(() => {\n this.lockoutSeconds--;\n if (this.lockoutSeconds <= 0) {\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n }\n }, 1000);\n }\n\n /**\n * Complete the login process\n */\n private completeLogin(serviceId: string, name: string, release: string): void {\n // Create session in storage\n const sessionService = new SessionService();\n sessionService.createSession(serviceId, name, release);\n\n const loginData: LoginData = {\n serviceId,\n name,\n release,\n role: 'student',\n };\n\n const event = new CustomEvent('qd:login', {\n detail: loginData,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n\n // Reset state\n this.pin = '';\n this.isSubmitting = false;\n\n // Hide component on successful login\n this.updateVisibility();\n }\n\n /**\n * Open instructor modal\n */\n private openInstructorModal() {\n this.showInstructorModal = true;\n this.instructorError = '';\n }\n\n /**\n * Hash password using SHA-256\n */\n private async hashPassword(password: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n // Return first 12 characters for author-friendly Oxygen dialogs\n return hashArray\n .map((b) => b.toString(16).padStart(2, '0'))\n .join('')\n .substring(0, 12);\n }\n\n /**\n * Get expected password hash from hidden element\n */\n private getExpectedHash(): string {\n const hashElement = document.getElementById(CONFIG_IDS.instructorHash);\n return hashElement?.textContent?.trim() || '';\n }\n\n /**\n * Handle instructor login with password\n */\n private async handleInstructorLogin(password: string) {\n try {\n const passwordHash = await this.hashPassword(password);\n const expectedHash = this.getExpectedHash();\n\n if (!expectedHash) {\n this.instructorError = 'Instructor password not configured';\n return;\n }\n\n if (passwordHash !== expectedHash) {\n this.instructorError = 'Incorrect password';\n // TODO: Implement rate limiting (5 attempts per 60 seconds)\n return;\n }\n\n // Success\n const release = this.getRelease();\n\n // Create session in storage\n const sessionService = new SessionService();\n sessionService.createSession('INSTRUCTOR', 'Instructor', release || '');\n\n // Set instructor flag\n sessionStorage.setItem(STORAGE_KEYS.INSTRUCTOR, 'true');\n\n const loginData: LoginData = {\n serviceId: 'INSTRUCTOR',\n name: 'Instructor',\n release: release || '',\n role: 'instructor',\n };\n\n const event = new CustomEvent('qd:login', {\n detail: loginData,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n\n // Close modal and hide component\n this.showInstructorModal = false;\n this.instructorError = '';\n this.updateVisibility();\n } catch (err) {\n this.instructorError = 'Login failed. Please try again.';\n console.error('Instructor login error:', err);\n }\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-login': QdLogin;\n }\n}\n","/**\n * Validation Helpers\n *\n * Pure functions for form validation and input sanitization.\n * Feature: 007-lit-component-refactor\n *\n * These functions have no side effects and no DOM dependencies,\n * making them easy to unit test.\n */\n\n/**\n * Validation error messages (array - empty if valid).\n */\nexport type ValidationErrors = string[];\n\n/**\n * Validates student login form fields.\n *\n * @param name - Student name\n * @param serviceId - Service ID (2-10 alphanumeric characters)\n * @param pin - 4-digit PIN\n * @returns Array of validation error messages (empty if valid)\n */\nexport function validateStudentForm(\n name: string,\n serviceId: string,\n pin: string,\n): ValidationErrors {\n const errors: ValidationErrors = [];\n\n // Validate name\n if (!name || name.trim() === '') {\n errors.push('Name required');\n }\n\n // Validate service ID - empty check first\n if (!serviceId) {\n errors.push('Service ID required');\n } else {\n // Then format check (2-10 alphanumeric)\n const serviceIdRegex = /^[a-zA-Z0-9]{2,10}$/;\n if (!serviceIdRegex.test(serviceId)) {\n errors.push('Service ID must be 2-10 alphanumeric characters');\n }\n }\n\n // Validate PIN - empty check first\n if (!pin) {\n errors.push('PIN required');\n } else {\n // Then format check (exactly 4 digits)\n const pinRegex = /^\\d{4}$/;\n if (!pinRegex.test(pin)) {\n errors.push('PIN must be exactly 4 digits');\n }\n }\n\n return errors;\n}\n\n/**\n * Sanitizes PIN input to only allow digits.\n *\n * @param input - Raw input string\n * @returns String with non-digit characters removed\n */\nexport function sanitizePinInput(input: string): string {\n return input.replace(/\\D/g, '');\n}\n\n/**\n * Validates that PIN and confirmation match.\n *\n * @param pin - Original PIN\n * @param confirmPin - Confirmation PIN\n * @returns True if they match\n */\nexport function validatePinMatch(pin: string, confirmPin: string): boolean {\n return pin === confirmPin;\n}\n","/**\n * Schema Migration Service\n *\n * Handles lazy migration of student records from v1 to v2.\n * Migration occurs on first login for existing students.\n */\n\nimport type { StudentRecord } from '../../types/contracts.js';\nimport { SCHEMA_VERSION } from '../../types/contracts.js';\n\n/**\n * Check if a student record needs migration to v2\n *\n * @param record - Student record to check\n * @returns true if record needs PIN migration\n */\nexport function needsMigration(record: StudentRecord): boolean {\n return record.schema < SCHEMA_VERSION;\n}\n\n/**\n * Check if a student has a PIN set\n *\n * @param record - Student record to check\n * @returns true if student has a PIN hash\n */\nexport function hasPinSet(record: StudentRecord): boolean {\n return Boolean(record.pinHash && record.pinHash.length > 0);\n}\n\n/**\n * Migrate a student record from v1 to v2\n *\n * Updates schema version but does NOT set PIN - that happens\n * after the student creates their PIN.\n *\n * @param record - Student record to migrate\n * @returns Updated record with v2 schema (pinHash empty)\n */\nexport function migrateToV2(record: StudentRecord): StudentRecord {\n if (record.schema >= SCHEMA_VERSION) {\n return record;\n }\n\n return {\n ...record,\n schema: SCHEMA_VERSION,\n // PIN fields left empty - student will create PIN on login\n pinHash: '',\n pinCreatedAt: undefined,\n pinResetAt: undefined,\n };\n}\n\n/**\n * Complete PIN setup for a migrated or new student\n *\n * @param record - Student record\n * @param pinHash - Hashed PIN\n * @returns Updated record with PIN set\n */\nexport function completePinSetup(record: StudentRecord, pinHash: string): StudentRecord {\n return {\n ...record,\n schema: SCHEMA_VERSION,\n pinHash,\n pinCreatedAt: new Date().toISOString(),\n };\n}\n\n/**\n * Reset a student's PIN (instructor action)\n *\n * @param record - Student record\n * @returns Updated record with PIN cleared\n */\nexport function resetPin(record: StudentRecord): StudentRecord {\n return {\n ...record,\n pinHash: '',\n pinResetAt: new Date().toISOString(),\n };\n}\n","/**\n * Status Component\n *\n * Compact single-line display of student quiz progress and logout button.\n * Shows: \"X/Y Correct (Z%)\" format.\n *\n * @element qd-status\n * @fires {CustomEvent} qd:logout - Emitted when user clicks logout\n *\n * @example\n * ```html\n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport type { SessionCache, SessionData } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { calculateStatusIndicator } from '../utils/calculation-helpers.js';\nimport { SessionService } from '../services/session.js';\nimport './qd-build-info.js';\nimport './qd-help-trigger.js';\nimport './qd-help-popup.js';\nimport { readHelpContent } from '../config/dom-config-reader.js';\n\n/**\n * Status panel component for student progress tracking\n */\n@customElement('qd-status')\nexport class QdStatus extends LitElement {\n /**\n * Total questions registered\n */\n @state()\n private total = 0;\n\n /**\n * Total correct answers\n */\n @state()\n private correct = 0;\n\n /**\n * Success percentage\n */\n @state()\n private percentage = 0;\n\n /**\n * Overall status indicator color\n */\n @state()\n private statusColor: 'red' | 'amber' | 'green' = 'red';\n\n /**\n * Student name\n */\n @state()\n private name = '';\n\n /**\n * Service ID (last 4 digits displayed)\n */\n @state()\n private serviceId = '';\n\n /**\n * Whether help popup is open\n */\n @state()\n private helpOpen = false;\n\n static styles = css`\n :host {\n display: none; /* Hidden by default, shown when logged in */\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n }\n\n :host([data-show]) {\n display: block;\n }\n\n .status-panel {\n display: flex;\n flex-direction: column;\n gap: 4px;\n padding: 6px 12px;\n background: #fff;\n border: 1px solid #ddd;\n border-radius: 4px;\n }\n\n .top-row {\n display: flex;\n align-items: center;\n gap: 8px;\n }\n\n .bottom-row {\n display: flex;\n align-items: center;\n gap: 8px;\n }\n\n .user-info {\n font-size: 13px;\n color: #333;\n white-space: nowrap;\n }\n\n .user-label {\n font-weight: 500;\n color: #555;\n }\n\n .status-indicator {\n width: 12px;\n height: 12px;\n border-radius: 50%;\n flex-shrink: 0;\n }\n\n .status-indicator.red {\n background: #d32f2f;\n }\n\n .status-indicator.amber {\n background: #ff9800;\n }\n\n .status-indicator.green {\n background: #4caf50;\n }\n\n .progress-label {\n font-size: 13px;\n font-weight: 500;\n color: #555;\n white-space: nowrap;\n }\n\n .progress-text {\n font-size: 13px;\n color: #333;\n white-space: nowrap;\n }\n\n .logout-button {\n padding: 5px 10px;\n background: #d32f2f;\n color: white;\n border: none;\n border-radius: 3px;\n font-size: 12px;\n font-weight: 500;\n cursor: pointer;\n transition: background 0.2s;\n white-space: nowrap;\n }\n\n .logout-button:hover {\n background: #b71c1c;\n }\n `;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n this.loadCache();\n\n // Listen for state changes and login/logout\n document.addEventListener('qd:state-changed', this.handleStateChanged);\n document.addEventListener('qd:login', this.handleLogin);\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:state-changed', this.handleStateChanged);\n document.removeEventListener('qd:login', this.handleLogin);\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n render() {\n const last4 = this.serviceId.slice(-4);\n return html`\n
            \n
            \n \n Test progress:\n ${this.name} **${last4}\n \n \n \n \n
            \n
            \n
            \n
            \n ${this.correct}/${this.total} Correct (${this.percentage}%)\n
            \n
            \n
            \n \n `;\n }\n\n /**\n * Load cache from storage and update state\n */\n private loadCache() {\n // Load session data for name/serviceId\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (session) {\n this.name = session.name || '';\n this.serviceId = session.serviceId || '';\n } else {\n this.name = '';\n this.serviceId = '';\n }\n\n const cache = getJSON(STORAGE_KEYS.CACHE);\n if (!cache) {\n this.total = 0;\n this.correct = 0;\n this.percentage = 0;\n this.statusColor = 'red';\n return;\n }\n\n this.total = cache.totals.total;\n this.correct = cache.totals.correct;\n this.percentage = this.calculatePercentage(cache.totals.total, cache.totals.correct);\n this.statusColor = this.calculateStatusColor(cache.totals.total, cache.totals.correct);\n }\n\n /**\n * Calculate percentage from total/correct\n */\n private calculatePercentage(total: number, correct: number): number {\n if (total === 0) return 0;\n return Math.round((correct / total) * 100);\n }\n\n /**\n * Calculate status indicator color using calculation helper\n * Red: No questions registered or no answers\n * Green: All questions answered correctly\n * Amber: Some answered but not all correct\n */\n private calculateStatusColor(total: number, correct: number): 'red' | 'amber' | 'green' {\n return calculateStatusIndicator(total, correct);\n }\n\n /**\n * Update visibility based on session state\n * Show only if logged in as student (not instructor)\n */\n private updateVisibility() {\n const session = getJSON(STORAGE_KEYS.SESSION);\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n\n if (session && !isInstructor) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n /**\n * Handle state changed event\n */\n private handleStateChanged = () => {\n this.loadCache();\n };\n\n /**\n * Handle login event\n */\n private handleLogin = () => {\n this.updateVisibility();\n this.loadCache();\n };\n\n /**\n * Handle logout event\n */\n private handleLogoutEvent = () => {\n this.updateVisibility();\n };\n\n /**\n * Handle help open event\n */\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n /**\n * Handle help close event\n */\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n /**\n * Handle logout button click\n */\n private handleLogout() {\n const session = getJSON(STORAGE_KEYS.SESSION);\n\n // Clear session from storage\n const sessionService = new SessionService();\n sessionService.clearSession();\n\n const event = new CustomEvent('qd:logout', {\n detail: {\n serviceId: session?.serviceId || 'unknown',\n },\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-status': QdStatus;\n }\n}\n","/**\n * Shared styles for instructor components\n * CSS-in-JS styles used across qd-instructor sub-components\n */\n\nimport { css } from 'lit';\n\n/**\n * Common styles shared across all instructor sub-components\n */\nexport const sharedStyles = css`\n :host {\n display: inline-block;\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n font-size: 14px;\n line-height: 1.5;\n }\n\n /* When showing modal, host should not constrain size */\n :host([showmodal]) {\n display: block;\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n pointer-events: none; /* Let clicks through except on modal */\n }\n\n :host([showmodal]) .modal-overlay {\n pointer-events: auto; /* Re-enable on overlay */\n }\n\n .instructor-panel {\n display: flex;\n flex-direction: row;\n align-items: center;\n gap: 8px;\n }\n\n .instructor-title {\n font-weight: 600;\n font-size: 14px;\n color: var(--qd-text-on-dark, #fff);\n margin-right: 8px;\n }\n\n .toggle-label {\n display: flex;\n align-items: center;\n gap: 6px;\n cursor: pointer;\n font-size: 13px;\n color: var(--qd-text-on-dark, #fff);\n user-select: none;\n }\n\n .toggle-label input[type='checkbox'] {\n width: 16px;\n height: 16px;\n cursor: pointer;\n }\n\n button {\n padding: 8px 16px;\n border: 1px solid #ccc;\n border-radius: 4px;\n background: #fff;\n cursor: pointer;\n font-size: 14px;\n transition: all 0.2s;\n }\n\n button:hover {\n background: #f5f5f5;\n border-color: #999;\n }\n\n button:active {\n background: #e5e5e5;\n }\n\n button:disabled {\n opacity: 0.5;\n cursor: not-allowed;\n }\n\n button.compact {\n padding: 6px 12px;\n font-size: 13px;\n }\n\n button.primary {\n background: #007bff;\n color: white;\n border-color: #007bff;\n }\n\n button.primary:hover {\n background: #0056b3;\n border-color: #0056b3;\n }\n\n button.secondary {\n background: #ff9800;\n color: white;\n border-color: #ff9800;\n }\n\n button.secondary:hover {\n background: #f57c00;\n border-color: #f57c00;\n }\n\n button.danger {\n background: #dc3545;\n color: white;\n border-color: #dc3545;\n }\n\n button.danger:hover {\n background: #c82333;\n border-color: #c82333;\n }\n\n button.logout {\n background: #6c757d;\n color: white;\n border-color: #6c757d;\n }\n\n button.logout:hover {\n background: #5a6268;\n border-color: #5a6268;\n }\n\n input,\n textarea {\n padding: 8px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 14px;\n font-family: inherit;\n }\n\n input:focus,\n textarea:focus {\n outline: none;\n border-color: #007bff;\n box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);\n }\n\n .error {\n color: #dc3545;\n font-size: 12px;\n margin-top: 4px;\n }\n\n .success {\n color: #28a745;\n font-size: 12px;\n margin-top: 4px;\n }\n\n table {\n width: 100%;\n border-collapse: collapse;\n margin: 16px 0;\n }\n\n th,\n td {\n padding: 8px;\n text-align: left;\n border-bottom: 1px solid #ddd;\n color: #333; /* Explicit dark text */\n }\n\n th {\n background: #f5f5f5;\n font-weight: 600;\n color: #000; /* Explicit black for headers */\n }\n\n tr:hover {\n background: #f9f9f9;\n }\n\n .correct {\n color: #28a745;\n }\n\n .incorrect {\n color: #dc3545;\n }\n\n .modal-overlay {\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: rgba(0, 0, 0, 0.5);\n display: flex;\n align-items: center;\n justify-content: center;\n z-index: var(--qd-modal-overlay-z-index, 9999);\n pointer-events: auto; /* Ensure overlay catches all clicks */\n }\n\n .modal-content {\n position: relative;\n background: white;\n padding: 24px;\n border-radius: 8px;\n max-width: 800px;\n max-height: 80vh;\n overflow: auto;\n box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);\n z-index: var(--qd-modal-z-index, 10000);\n color: #333; /* Explicit dark text color */\n }\n\n .modal-header {\n display: flex;\n justify-content: space-between;\n align-items: center;\n margin-bottom: 16px;\n }\n\n .modal-title {\n font-size: 18px;\n font-weight: 600;\n margin: 0;\n color: #000; /* Explicit black for title */\n }\n\n .close-button {\n padding: 4px 8px;\n border: none;\n background: transparent;\n font-size: 20px;\n cursor: pointer;\n color: #666;\n }\n\n .close-button:hover {\n color: #000;\n }\n`;\n","/**\n * Security utilities for the Sonar Quiz System\n *\n * Provides rate limiting, constant-time comparison, and other security primitives\n * to protect against timing attacks, brute force, and other vulnerabilities.\n */\n\n/**\n * Rate limiter with exponential backoff\n *\n * Implements progressive delays after failed authentication attempts:\n * - 1st failure: 2s delay\n * - 2nd failure: 4s delay\n * - 3rd failure: 8s delay\n * - 4th failure: 16s delay\n * - 5th+ failure: 30s delay (max)\n *\n * @example\n * ```typescript\n * const limiter = new RateLimiter();\n *\n * async function handleLogin(password: string) {\n * if (!await limiter.attempt()) {\n * const remaining = limiter.getRemainingSeconds();\n * alert(`Too many attempts. Try again in ${remaining}s`);\n * return;\n * }\n *\n * const isValid = await validatePassword(password);\n * if (isValid) {\n * limiter.reset();\n * }\n * }\n * ```\n */\nexport class RateLimiter {\n private failureCount = 0;\n private lockoutUntil: number | null = null;\n\n /**\n * Attempt an action (e.g., login attempt)\n *\n * @returns true if action is allowed, false if rate limited\n */\n attempt(): boolean {\n if (this.lockoutUntil && Date.now() < this.lockoutUntil) {\n return false;\n }\n\n // Clear lockout if expired\n if (this.lockoutUntil && Date.now() >= this.lockoutUntil) {\n this.lockoutUntil = null;\n }\n\n return true;\n }\n\n /**\n * Record a failed attempt and apply exponential backoff\n *\n * Delays: 2s, 4s, 8s, 16s, 30s (max)\n */\n recordFailure(): void {\n this.failureCount++;\n\n // Exponential backoff with max of 30 seconds\n const delays = [2000, 4000, 8000, 16000, 30000];\n const delayIndex = Math.min(this.failureCount - 1, delays.length - 1);\n const delay = delays[delayIndex] ?? 30000;\n\n this.lockoutUntil = Date.now() + delay;\n }\n\n /**\n * Reset the rate limiter after successful authentication\n */\n reset(): void {\n this.failureCount = 0;\n this.lockoutUntil = null;\n }\n\n /**\n * Get remaining lockout time in seconds\n *\n * @returns Number of seconds until next attempt allowed, or 0 if not locked\n */\n getRemainingSeconds(): number {\n if (!this.lockoutUntil) {\n return 0;\n }\n\n const remaining = Math.max(0, this.lockoutUntil - Date.now());\n return Math.ceil(remaining / 1000);\n }\n\n /**\n * Check if currently locked out\n */\n isLockedOut(): boolean {\n return this.lockoutUntil !== null && Date.now() < this.lockoutUntil;\n }\n}\n\n/**\n * Constant-time string comparison using Web Crypto API\n *\n * Prevents timing attacks by ensuring comparison time is independent\n * of where strings differ. Uses HMAC-SHA256 for constant-time comparison.\n *\n * @param a - First string to compare\n * @param b - Second string to compare\n * @returns Promise if strings match, Promise otherwise\n *\n * @example\n * ```typescript\n * const userHash = await hashPassword(userInput);\n * const storedHash = getStoredHash();\n *\n * if (await constantTimeCompare(userHash, storedHash)) {\n * // Authentication successful\n * }\n * ```\n */\nexport async function constantTimeCompare(a: string, b: string): Promise {\n // Early length check (length is not secret information)\n if (a.length !== b.length) {\n return false;\n }\n\n // Handle empty strings (Web Crypto API doesn't support zero-length keys)\n if (a.length === 0) {\n return true; // Both are empty strings\n }\n\n // Use Web Crypto API for constant-time comparison\n const encoder = new TextEncoder();\n const aBuffer = encoder.encode(a);\n const bBuffer = encoder.encode(b);\n\n try {\n // Import first string as HMAC key\n const key = await crypto.subtle.importKey(\n 'raw',\n aBuffer,\n { name: 'HMAC', hash: 'SHA-256' },\n false,\n ['sign'],\n );\n\n // Sign second string with first as key\n const signature = await crypto.subtle.sign('HMAC', key, bBuffer);\n\n // Compare signature to expected value\n // This uses crypto.subtle which performs constant-time comparison internally\n const expectedKey = await crypto.subtle.importKey(\n 'raw',\n bBuffer,\n { name: 'HMAC', hash: 'SHA-256' },\n false,\n ['sign'],\n );\n\n const expectedSignature = await crypto.subtle.sign('HMAC', expectedKey, aBuffer);\n\n // Compare signatures byte-by-byte\n if (signature.byteLength !== expectedSignature.byteLength) {\n return false;\n }\n\n const sigView = new Uint8Array(signature);\n const expView = new Uint8Array(expectedSignature);\n\n // XOR all bytes - result is 0 if all bytes match\n let result = 0;\n for (let i = 0; i < sigView.length; i++) {\n result |= (sigView[i] ?? 0) ^ (expView[i] ?? 0);\n }\n\n return result === 0;\n } catch (error) {\n // Crypto API failure - fail closed\n console.error('Constant-time comparison failed:', error);\n return false;\n }\n}\n\n/**\n * Hash a password using SHA-256\n *\n * @param password - Password to hash\n * @returns Promise - Hex-encoded SHA-256 hash\n *\n * @example\n * ```typescript\n * const hash = await hashPassword('my-secure-password');\n * console.log(hash); // \"5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8\"\n * ```\n */\nexport async function hashPassword(password: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n}\n","/**\n * Instructor password configuration\n *\n * Retrieves the instructor password hash from the DOM, injected by\n * Oxygen XSL transform during DITA publishing.\n *\n * The password hash is stored in a hidden span element:\n * ```html\n * hash-value\n * ```\n *\n * This approach allows different passwords per deployment without rebuilding\n * the JavaScript bundle.\n */\n\nimport { error } from '../utils/logger.js';\n\n/**\n * DOM element ID containing the instructor password hash\n *\n * This element is injected by the Oxygen XSL transform using a parameter.\n */\nconst PASSWORD_HASH_ELEMENT_ID = 'instructor.password.hash';\n\n/**\n * Get the instructor password hash from the DOM\n *\n * @returns The SHA-256 hash of the instructor password\n * @throws Error if password hash element not found or empty\n *\n * @example\n * ```typescript\n * try {\n * const hash = getInstructorPasswordHash();\n * console.log('Hash retrieved:', hash);\n * } catch (err) {\n * console.error('Password hash not configured:', err);\n * }\n * ```\n */\nexport function getInstructorPasswordHash(): string {\n const hashElement = document.getElementById(PASSWORD_HASH_ELEMENT_ID);\n\n if (!hashElement) {\n const errorMsg = `Instructor password hash not found. Expected element with id=\"${PASSWORD_HASH_ELEMENT_ID}\". Check Oxygen XSL transform configuration.`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n const hash = hashElement.textContent?.trim();\n\n if (!hash) {\n const errorMsg = `Instructor password hash element is empty. Check Oxygen parameter configuration.`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n // Validate hash format (should be 64 hex characters for SHA-256)\n if (!/^[a-f0-9]{64}$/i.test(hash)) {\n const errorMsg = `Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${hash.substring(0, 20)}...`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n return hash.toLowerCase(); // Normalize to lowercase\n}\n\n/**\n * Check if instructor password hash is configured\n *\n * @returns true if password hash element exists and is non-empty\n */\nexport function isInstructorPasswordConfigured(): boolean {\n try {\n getInstructorPasswordHash();\n return true;\n } catch {\n return false;\n }\n}\n","/**\n * Instructor unlock component with password verification and rate limiting\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport { RateLimiter } from '../../utils/security.js';\nimport { constantTimeCompare } from '../../utils/security.js';\nimport { getInstructorPasswordHash } from '../../config/instructor-password.js';\nimport { dispatchEventOn } from '../../utils/event-helpers.js';\n\n/**\n * Password unlock UI with rate limiting for instructor access\n *\n * Features:\n * - Password input with masked field\n * - Rate limiting: 2s, 4s, 8s, 16s, 30s lockout on failures\n * - Constant-time password comparison\n * - Emits 'qd:instructor-unlock' on success\n *\n * @fires qd:instructor-unlock - Emitted when password verified successfully\n */\n@customElement('qd-instructor-unlock')\nexport class QdInstructorUnlock extends LitElement {\n static override styles = sharedStyles;\n\n @state()\n private password = '';\n\n @state()\n private error = '';\n\n @state()\n private remainingSeconds = 0;\n\n private rateLimiter = new RateLimiter();\n private countdownInterval?: number;\n\n override disconnectedCallback(): void {\n super.disconnectedCallback();\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n }\n }\n\n private handlePasswordInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.password = input.value;\n this.error = '';\n };\n\n private handleSubmit = async (e: Event): Promise => {\n e.preventDefault();\n\n // Check rate limit\n const allowed = this.rateLimiter.attempt();\n if (!allowed) {\n this.remainingSeconds = this.rateLimiter.getRemainingSeconds();\n this.startCountdown();\n this.error = `Too many attempts. Try again in ${this.remainingSeconds}s`;\n return;\n }\n\n // Validate password\n try {\n const expectedHash = getInstructorPasswordHash();\n\n // Hash the entered password\n const encoder = new TextEncoder();\n const data = encoder.encode(this.password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n const actualHash = hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n\n // Constant-time comparison\n const valid = await constantTimeCompare(actualHash, expectedHash);\n\n if (valid) {\n // Success - reset limiter and emit event\n this.rateLimiter.reset();\n this.password = '';\n this.error = '';\n dispatchEventOn(this, 'qd:instructor-unlock', {});\n } else {\n // Failure - show error\n this.error = 'Invalid password';\n this.password = '';\n }\n } catch {\n this.error = 'Authentication failed';\n this.password = '';\n }\n };\n\n private startCountdown(): void {\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n }\n\n this.countdownInterval = window.setInterval(() => {\n this.remainingSeconds = this.rateLimiter.getRemainingSeconds();\n if (this.remainingSeconds === 0) {\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n this.countdownInterval = undefined;\n }\n this.error = '';\n } else {\n this.error = `Too many attempts. Try again in ${this.remainingSeconds}s`;\n }\n }, 1000);\n }\n\n override render() {\n const isLocked = this.remainingSeconds > 0;\n\n return html`\n
            \n

            Instructor Access

            \n

            Enter the instructor password to unlock administrative features.

            \n\n
            \n
            \n \n \n
            \n\n ${this.error\n ? html`
            ${this.error}
            `\n : ''}\n\n \n
            \n
            \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-unlock': QdInstructorUnlock;\n }\n}\n","/**\n * Scores Modal Component\n *\n * Displays student scores in a modal with expandable per-page breakdown.\n * Uses qd-modal as base for modal behavior.\n *\n * @element qd-scores-modal\n * @fires {CustomEvent} close - Emitted when modal closes\n * @fires {CustomEvent} qd:modal-close - Bubbles from qd-modal\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\nimport type { StudentRecord } from '../types/contracts.js';\nimport './qd-modal.js';\n\ninterface StudentSummary {\n serviceId: string;\n name: string;\n attempted: number;\n correct: number;\n percentage: number;\n}\n\n/**\n * Modal component for displaying student scores with expandable details\n */\n@customElement('qd-scores-modal')\nexport class QdScoresModal extends LitElement {\n /**\n * Whether the modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Student records to display\n */\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n /**\n * Set of expanded student service IDs\n */\n @state()\n private expandedStudents = new Set();\n\n static styles = css`\n :host {\n display: contents;\n }\n\n .scores-content {\n min-width: 600px;\n max-width: 800px;\n }\n\n .empty-message {\n color: #666;\n padding: 20px;\n text-align: center;\n }\n\n table {\n width: 100%;\n border-collapse: collapse;\n }\n\n thead th {\n padding: 8px;\n text-align: left;\n border-bottom: 1px solid #ddd;\n background: #f5f5f5;\n font-weight: 600;\n }\n\n .student-row {\n cursor: pointer;\n }\n\n .student-row:hover {\n background: #f9f9f9;\n }\n\n .student-row td {\n padding: 8px;\n border-bottom: 1px solid #eee;\n }\n\n .expand-icon {\n display: inline-block;\n width: 16px;\n margin-right: 4px;\n text-align: center;\n }\n\n .correct-highlight {\n color: #28a745;\n }\n\n .incorrect-highlight {\n color: #dc3545;\n }\n\n .detail-row {\n background: #f9f9f9;\n }\n\n .detail-row td {\n padding: 8px 8px 8px 40px;\n border-bottom: 1px solid #eee;\n }\n\n .page-breakdown {\n display: flex;\n flex-direction: column;\n gap: 6px;\n }\n\n .page-row {\n display: flex;\n align-items: center;\n gap: 12px;\n }\n\n .page-name {\n font-weight: 600;\n min-width: 120px;\n flex-shrink: 0;\n }\n\n .answers-list {\n display: flex;\n flex-wrap: wrap;\n gap: 4px;\n flex: 1;\n }\n\n .answer-badge {\n display: inline-block;\n padding: 2px 6px;\n border-radius: 3px;\n font-size: 11px;\n font-weight: 500;\n }\n\n .answer-badge.correct {\n background: #d4edda;\n color: #155724;\n border: 1px solid #c3e6cb;\n }\n\n .answer-badge.incorrect {\n background: #f8d7da;\n color: #721c24;\n border: 1px solid #f5c6cb;\n }\n\n .answer-badge.unanswered {\n background: #e0e0e0;\n color: #666;\n }\n\n .no-pages {\n color: #666;\n font-style: italic;\n }\n `;\n\n updated(changedProperties: Map) {\n if (changedProperties.has('open') && this.open) {\n // Expand all students by default when modal opens\n this.expandedStudents = new Set(this.students.map((s) => s.serviceId));\n }\n }\n\n render() {\n return html`\n \n Student Scores\n
            \n ${this.students.length === 0\n ? html`

            No student data available.

            `\n : this.renderScoresTable()}\n
            \n             \n `;\n }\n\n private renderScoresTable() {\n const sortedStudents = [...this.students].sort((a, b) => a.name.localeCompare(b.name));\n\n return html`\n \n \n \n \n \n \n \n \n \n \n \n ${sortedStudents.map((student) => this.renderStudentRow(student))}\n \n
            StudentService IDAttemptedCorrectPercentage
            \n `;\n }\n\n private renderStudentRow(student: StudentRecord) {\n const summary = this.calculateSummary(student);\n const isExpanded = this.expandedStudents.has(student.serviceId);\n\n return html`\n this.toggleStudent(student.serviceId)}>\n \n ${isExpanded ? '▼' : '▶'}\n ${summary.name}\n \n ${summary.serviceId}\n ${summary.attempted}\n 0\n ? 'correct-highlight'\n : ''}\n >\n ${summary.correct}\n \n ${summary.percentage}%\n \n ${isExpanded ? this.renderDetailRow(student) : nothing}\n `;\n }\n\n private renderDetailRow(student: StudentRecord) {\n const pages = Object.entries(student.pages);\n\n return html`\n \n \n ${pages.length === 0\n ? html`No quiz pages attempted`\n : html`\n
            \n ${pages.map(\n ([pageId, pageData]) => html`\n
            \n ${pageId}\n
            \n ${pageData.answers.map(\n (answer, index) => html`\n \n Q${index + 1}: ${answer ? answer.answer : '—'}\n \n `,\n )}\n
            \n
            \n `,\n )}\n
            \n `}\n \n \n `;\n }\n\n private calculateSummary(student: StudentRecord): StudentSummary {\n const percentage =\n student.attempted > 0 ? Math.round((student.correct / student.attempted) * 100) : 0;\n\n return {\n serviceId: student.serviceId,\n name: student.name,\n attempted: student.attempted,\n correct: student.correct,\n percentage,\n };\n }\n\n private getPercentageClass(percentage: number): string {\n if (percentage === 100) return 'correct-highlight';\n if (percentage === 0) return 'incorrect-highlight';\n return '';\n }\n\n private getAnswerClass(answer: { success: boolean } | null): string {\n if (!answer) return 'unanswered';\n return answer.success ? 'correct' : 'incorrect';\n }\n\n private toggleStudent(serviceId: string) {\n const newSet = new Set(this.expandedStudents);\n if (newSet.has(serviceId)) {\n newSet.delete(serviceId);\n } else {\n newSet.add(serviceId);\n }\n this.expandedStudents = newSet;\n }\n\n private handleModalClose = () => {\n this.open = false;\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n /**\n * Open the modal\n */\n show() {\n this.open = true;\n }\n\n /**\n * Close the modal\n */\n close() {\n this.open = false;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-scores-modal': QdScoresModal;\n }\n}\n","/**\n * Instructor scores view component\n * Displays student scores with expandable per-page breakdown\n *\n * Refactored to use qd-scores-modal component.\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord } from '../../types/contracts.js';\nimport '../qd-scores-modal.js';\n\n/**\n * Scores table component showing all student progress\n *\n * Features:\n * - Summary view with attempted/correct/percentage\n * - Expandable per-student breakdown\n * - Color-coded correct/incorrect answers\n * - Modal display with close button\n *\n * Now delegates to qd-scores-modal component.\n */\n@customElement('qd-instructor-scores')\nexport class QdInstructorScores extends LitElement {\n static override styles = sharedStyles;\n\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n @property({ type: Boolean })\n showModal = false;\n\n private handleClose = () => {\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n override render() {\n return html`\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-scores': QdInstructorScores;\n }\n}\n","/**\n * Instructor CSV export component\n * Generates and downloads CSV export of all student data\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord } from '../../types/contracts.js';\n\n/**\n * CSV export controls for instructor\n *\n * Features:\n * - Generates RFC 4180 compliant CSV\n * - Includes all student answers with timestamps\n * - Downloads as file with timestamp in filename\n * - Proper escaping of special characters\n */\n@customElement('qd-instructor-export')\nexport class QdInstructorExport extends LitElement {\n static override styles = sharedStyles;\n\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n private escapeCSVField(field: string | number | boolean): string {\n const str = String(field);\n // If field contains comma, quote, or newline, wrap in quotes and escape quotes\n if (str.includes(',') || str.includes('\"') || str.includes('\\n')) {\n return `\"${str.replace(/\"/g, '\"\"')}\"`;\n }\n return str;\n }\n\n private generateCSV(): string {\n const rows: string[] = [];\n\n // Header row\n rows.push('Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp');\n\n // Data rows\n for (const student of this.students) {\n for (const [pageId, pageData] of Object.entries(student.pages)) {\n const answers = pageData.answers || [];\n answers.forEach((answer, index) => {\n if (answer) {\n rows.push(\n [\n this.escapeCSVField(student.serviceId),\n this.escapeCSVField(student.name),\n this.escapeCSVField(student.release),\n this.escapeCSVField(pageId),\n this.escapeCSVField(index),\n this.escapeCSVField(answer.answer),\n this.escapeCSVField(answer.success),\n this.escapeCSVField(answer.timestamp),\n ].join(','),\n );\n }\n });\n }\n }\n\n return rows.join('\\n');\n }\n\n private handleExport = (): void => {\n const csv = this.generateCSV();\n const blob = new Blob([csv], { type: 'text/csv;charset=utf-8;' });\n const url = URL.createObjectURL(blob);\n\n // Create download link\n const link = document.createElement('a');\n link.href = url;\n\n // Generate filename with timestamp\n const now = new Date();\n const timestamp = now.toISOString().replace(/[:.]/g, '-').slice(0, 19);\n link.download = `quiz-data-${timestamp}.csv`;\n\n // Trigger download\n document.body.appendChild(link);\n link.click();\n document.body.removeChild(link);\n\n // Clean up\n URL.revokeObjectURL(url);\n };\n\n override render() {\n // Check if any student has answered at least one question (FR-006)\n const hasData =\n this.students.length > 0 && this.students.some((student) => student.attempted > 0);\n\n const tooltip = hasData\n ? `Export ${this.students.length} student${this.students.length === 1 ? '' : 's'} to CSV`\n : this.students.length > 0\n ? 'No answers to export (students have not answered any questions)'\n : 'No data to export';\n\n return html`\n \n Export CSV\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-export': QdInstructorExport;\n }\n}\n","/**\n * Instructor data management component\n * Handles clearing/backing up student data\n */\n\nimport { LitElement, html, render } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport { clearQuizData } from '../../utils/storage-helpers.js';\nimport { dispatchEventOn } from '../../utils/event-helpers.js';\n\n/**\n * Data management controls for instructor\n *\n * Features:\n * - Clear all quiz data with confirmation\n * - Safety confirmation dialog\n * - Emits 'qd:data-cleared' event on success\n *\n * @fires qd:data-cleared - Emitted when all data successfully cleared\n */\n@customElement('qd-instructor-manage')\nexport class QdInstructorManage extends LitElement {\n static override styles = sharedStyles;\n\n @state()\n private showConfirmDialog = false;\n\n @state()\n private confirmText = '';\n\n @state()\n private error = '';\n\n @state()\n private success = '';\n\n private modalContainer: HTMLDivElement | null = null;\n\n override disconnectedCallback(): void {\n super.disconnectedCallback();\n this.removeModalFromBody();\n }\n\n override updated(changedProperties: Map): void {\n super.updated(changedProperties);\n if (changedProperties.has('showConfirmDialog')) {\n if (this.showConfirmDialog) {\n this.renderModalToBody();\n } else {\n this.removeModalFromBody();\n }\n }\n // Re-render modal if confirmText or error changes while dialog is open\n if (\n this.showConfirmDialog &&\n (changedProperties.has('confirmText') || changedProperties.has('error'))\n ) {\n this.renderModalToBody();\n }\n }\n\n private renderModalToBody(): void {\n if (!this.modalContainer) {\n this.modalContainer = document.createElement('div');\n this.modalContainer.className = 'qd-manage-modal-container';\n document.body.appendChild(this.modalContainer);\n }\n render(this.renderConfirmDialog(), this.modalContainer);\n }\n\n private removeModalFromBody(): void {\n if (this.modalContainer) {\n this.modalContainer.remove();\n this.modalContainer = null;\n }\n }\n\n private handleClearRequest = (): void => {\n this.showConfirmDialog = true;\n this.confirmText = '';\n this.error = '';\n this.success = '';\n };\n\n private handleCancelClear = (): void => {\n this.showConfirmDialog = false;\n this.confirmText = '';\n this.error = '';\n };\n\n private handleConfirmInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.confirmText = input.value;\n };\n\n private handleConfirmClear = (): void => {\n // Require exact match\n if (this.confirmText !== 'DELETE ALL DATA') {\n this.error = 'Confirmation text does not match';\n return;\n }\n\n try {\n // Clear all quiz data from storage\n clearQuizData();\n\n // Emit event\n dispatchEventOn(this, 'qd:data-cleared', {});\n\n // Show success\n this.success = 'All quiz data cleared successfully';\n this.showConfirmDialog = false;\n this.confirmText = '';\n this.error = '';\n\n // Clear success message after 3 seconds\n setTimeout(() => {\n this.success = '';\n }, 3000);\n } catch {\n this.error = 'Failed to clear data';\n }\n };\n\n override render() {\n return html`\n \n Erase All Data\n \n\n ${this.success\n ? html`\n \n ${this.success}\n
      \n `\n : ''}\n `;\n }\n\n private renderConfirmDialog() {\n const isValid = this.confirmText === 'DELETE ALL DATA';\n\n return html`\n {\n if (e.target === e.currentTarget) this.handleCancelClear();\n }}\n >\n e.stopPropagation()}\n >\n \n

      \n Confirm Data Deletion\n

      \n \n ✕\n \n
      \n\n

      \n ⚠️ This will permanently delete all student quiz data, answers, and progress.\n

      \n\n

      \n This action cannot be undone. All students will need to start over.\n

      \n\n

      \n Type DELETE ALL DATA to confirm:\n

      \n\n \n\n ${this.error\n ? html`
      ${this.error}
      `\n : ''}\n\n
      \n \n Cancel\n \n \n Delete All Data\n \n
      \n \n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-manage': QdInstructorManage;\n }\n}\n","/**\n * PIN Reset Dialog Component\n *\n * Modal dialog for instructors to reset student PINs.\n * Shows student list with search and reset confirmation.\n * Uses qd-modal base for consistent modal behavior.\n *\n * @element qd-pin-reset-dialog\n * @fires {CustomEvent<{serviceId: string}>} qd:pin-reset - Emitted when PIN is reset\n * @fires {CustomEvent} close - Emitted when dialog is closed\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\nimport type { StudentRecord, PinResetEvent } from '../types/contracts.js';\nimport { getStorageAdapter } from '../services/storage/indexeddb.js';\nimport { resetPin } from '../services/storage/migration.js';\nimport { CONFIG_IDS } from '../config/dom-config-reader.js';\nimport './qd-modal.js';\nimport './qd-confirm-dialog.js';\n\n@customElement('qd-pin-reset-dialog')\nexport class QdPinResetDialog extends LitElement {\n /**\n * Students available for PIN reset\n */\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n /**\n * Whether dialog is visible\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Search filter text\n */\n @state()\n private searchText = '';\n\n /**\n * Student being confirmed for reset\n */\n @state()\n private confirmingStudent: StudentRecord | null = null;\n\n /**\n * Whether confirmation dialog is open\n */\n @state()\n private confirmDialogOpen = false;\n\n /**\n * Error message to display\n */\n @state()\n private errorMessage = '';\n\n static styles = css`\n :host {\n display: contents;\n }\n\n .pin-reset-content {\n min-width: 400px;\n max-width: 500px;\n }\n\n .search-input {\n width: 100%;\n box-sizing: border-box;\n padding: 8px 12px;\n border: 1px solid #ccc;\n border-radius: 4px;\n margin-bottom: 12px;\n font-size: 12px;\n }\n\n .search-input:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n .student-list {\n max-height: 300px;\n overflow-y: auto;\n border: 1px solid #e0e0e0;\n border-radius: 4px;\n }\n\n .student-item {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n }\n\n .student-item:last-child {\n border-bottom: none;\n }\n\n .student-name {\n font-size: 12px;\n font-weight: 500;\n }\n\n .student-id {\n font-size: 10px;\n color: #666;\n }\n\n .pin-status {\n font-size: 10px;\n }\n\n .pin-status.has-pin {\n color: #4caf50;\n }\n\n .pin-status.no-pin {\n color: #ff9800;\n }\n\n .reset-btn {\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n }\n\n .reset-btn:hover {\n background: #e64a19;\n }\n\n .empty-message {\n padding: 16px;\n text-align: center;\n color: #666;\n font-size: 12px;\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n }\n `;\n\n /**\n * Backward compatibility: Support both 'open' and 'showModal' props\n */\n @property({ type: Boolean })\n set showModal(value: boolean) {\n this.open = value;\n }\n get showModal(): boolean {\n return this.open;\n }\n\n private get filteredStudents(): StudentRecord[] {\n if (!this.searchText.trim()) {\n return this.students;\n }\n const search = this.searchText.toLowerCase().trim();\n return this.students.filter(\n (s) => s.name.toLowerCase().includes(search) || s.serviceId.toLowerCase().includes(search),\n );\n }\n\n /**\n * Close the modal\n */\n close(): void {\n this.open = false;\n this.confirmingStudent = null;\n this.confirmDialogOpen = false;\n this.searchText = '';\n this.errorMessage = '';\n }\n\n /**\n * Show the modal\n */\n show(): void {\n this.open = true;\n }\n\n /**\n * Handle modal close from qd-modal\n */\n private handleModalClose = (): void => {\n // Don't close main modal if confirm dialog is open\n if (this.confirmDialogOpen) {\n return;\n }\n this.close();\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n /**\n * Handle search input\n */\n private handleSearchInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.searchText = input.value;\n // Sync updated list to portal\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n };\n\n /**\n * Show confirmation dialog for PIN reset\n */\n private handleResetClick = (student: StudentRecord): void => {\n this.confirmingStudent = student;\n this.confirmDialogOpen = true;\n };\n\n /**\n * Handle confirm button click in confirmation dialog\n */\n private handleConfirmReset = (): void => {\n if (this.confirmingStudent) {\n void this.executeReset(this.confirmingStudent);\n }\n };\n\n /**\n * Handle cancel button click in confirmation dialog\n */\n private handleCancelReset = (): void => {\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n };\n\n private async executeReset(student: StudentRecord) {\n try {\n const dbNameElement = document.getElementById(CONFIG_IDS.dbName);\n if (!dbNameElement?.textContent?.trim()) {\n throw new Error(\n `Database name not configured. Add dbName to page.`,\n );\n }\n const dbName = dbNameElement.textContent.trim();\n const storage = getStorageAdapter(dbName);\n await storage.init();\n\n // Reset the PIN\n const updatedStudent = resetPin(student);\n await storage.saveStudent(updatedStudent);\n\n // Create audit log entry\n const auditEvent: PinResetEvent = {\n eventId: crypto.randomUUID(),\n serviceId: student.serviceId,\n resetBy: 'instructor',\n resetAt: new Date().toISOString(),\n release: student.release,\n };\n await storage.saveAuditEvent(auditEvent);\n\n // Update local data\n const index = this.students.findIndex((s) => s.serviceId === student.serviceId);\n if (index >= 0) {\n this.students[index] = updatedStudent;\n this.students = [...this.students]; // Trigger reactivity\n }\n\n // Emit event\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n detail: {\n serviceId: student.serviceId,\n resetBy: 'instructor',\n timestamp: new Date().toISOString(),\n },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Close confirm dialog and refresh list\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n this.errorMessage = '';\n\n // Sync updated list to portal\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n } catch (err) {\n console.error('PIN reset error:', err);\n this.errorMessage = 'Failed to reset PIN. Please try again.';\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n\n // Sync error to portal\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n }\n }\n\n /**\n * Sync dynamic content to portal DOM.\n * Since qd-modal clones content and loses Lit bindings,\n * we need to manually update the portal content.\n */\n private syncContentToPortal(): void {\n const backdrop = document.querySelector('.qd-modal-backdrop');\n if (!backdrop) return;\n\n const listContainer = backdrop.querySelector('.student-list');\n if (!listContainer) return;\n\n // Clear and rebuild student list\n listContainer.innerHTML = '';\n const filtered = this.filteredStudents;\n\n if (filtered.length === 0) {\n const empty = document.createElement('div');\n empty.className = 'empty-message';\n empty.textContent = this.searchText ? 'No matching students' : 'No students found';\n empty.style.cssText = 'padding: 16px; text-align: center; color: #666; font-size: 12px;';\n listContainer.appendChild(empty);\n } else {\n filtered.forEach((student) => {\n const item = document.createElement('div');\n item.className = 'student-item';\n item.style.cssText = `\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n `;\n\n const info = document.createElement('div');\n\n const nameSpan = document.createElement('div');\n nameSpan.className = 'student-name';\n nameSpan.textContent = student.name;\n nameSpan.style.cssText = 'font-size: 12px; font-weight: 500;';\n\n const idSpan = document.createElement('div');\n idSpan.className = 'student-id';\n idSpan.textContent = `ID: ${student.serviceId}`;\n idSpan.style.cssText = 'font-size: 10px; color: #666;';\n\n const pinStatus = document.createElement('div');\n pinStatus.className = 'pin-status';\n const hasPinHash = student.pinHash && student.pinHash.length > 0;\n pinStatus.textContent = hasPinHash ? 'PIN set' : 'No PIN';\n pinStatus.style.cssText = `font-size: 10px; color: ${hasPinHash ? '#4caf50' : '#ff9800'};`;\n\n info.appendChild(nameSpan);\n info.appendChild(idSpan);\n info.appendChild(pinStatus);\n\n const resetBtn = document.createElement('button');\n resetBtn.className = 'reset-btn';\n resetBtn.textContent = 'Reset PIN';\n resetBtn.type = 'button';\n resetBtn.style.cssText = `\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n `;\n resetBtn.onclick = () => this.handleResetClick(student);\n\n item.appendChild(info);\n item.appendChild(resetBtn);\n listContainer.appendChild(item);\n });\n }\n\n // Sync error message\n let errorDiv = backdrop.querySelector('.error-message');\n if (this.errorMessage) {\n if (!errorDiv) {\n errorDiv = document.createElement('div');\n errorDiv.className = 'error-message';\n const content = backdrop.querySelector('.qd-modal-body');\n content?.appendChild(errorDiv);\n }\n errorDiv.textContent = this.errorMessage;\n (errorDiv as HTMLElement).style.cssText = `\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n `;\n } else {\n errorDiv?.remove();\n }\n }\n\n /**\n * Setup event listeners in portal after open\n */\n private setupPortalListeners(): void {\n const backdrop = document.querySelector('.qd-modal-backdrop');\n if (!backdrop) return;\n\n // Setup search input listener\n const searchInput = backdrop.querySelector('.search-input') as HTMLInputElement;\n if (searchInput) {\n searchInput.oninput = this.handleSearchInput;\n searchInput.focus();\n }\n\n // Initial list sync\n this.syncContentToPortal();\n }\n\n override updated(changedProps: Map): void {\n if (changedProps.has('open') && this.open) {\n // Wait for portal to render, then setup listeners\n setTimeout(() => {\n this.setupPortalListeners();\n }, 0);\n }\n\n if (changedProps.has('students') && this.open) {\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n }\n }\n\n override render() {\n // Don't render when closed\n if (!this.open) {\n return nothing;\n }\n\n const student = this.confirmingStudent;\n const confirmMessage = student\n ? `Reset PIN for ${student.name} (${student.serviceId})?
      They will need to create a new PIN on next login.`\n : '';\n\n return html`\n \n Reset Student PIN\n\n
      \n \n\n
      \n ${this.filteredStudents.length === 0\n ? html`
      \n ${this.searchText ? 'No matching students' : 'No students found'}\n
      `\n : this.filteredStudents.map(\n (s) => html`\n
      \n
      \n
      ${s.name}
      \n
      ID: ${s.serviceId}
      \n
      \n ${s.pinHash ? 'PIN set' : 'No PIN'}\n
      \n
      \n \n
      \n `,\n )}\n
      \n\n ${this.errorMessage ? html`
      ${this.errorMessage}
      ` : ''}\n
      \n       \n\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-pin-reset-dialog': QdPinResetDialog;\n }\n}\n","/**\n * Instructor component orchestrator\n * Delegates to sub-components based on unlock state\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord, SessionData } from '../../types/contracts.js';\nimport { STORAGE_KEYS } from '../../types/contracts.js';\nimport { getJSON } from '../../utils/storage-helpers.js';\nimport { SessionService } from '../../services/session.js';\nimport './qd-instructor-unlock.js';\nimport './qd-instructor-scores.js';\nimport './qd-instructor-export.js';\nimport './qd-instructor-manage.js';\nimport '../qd-build-info.js';\nimport '../qd-pin-reset-dialog.js';\nimport '../qd-help-trigger.js';\nimport '../qd-help-popup.js';\nimport { readHelpContent } from '../../config/dom-config-reader.js';\n\n/**\n * Main instructor panel orchestrating all sub-components\n *\n * State management:\n * - unlocked: false → shows unlock component\n * - unlocked: true → shows scores/export/manage controls\n *\n * @fires qd:instructor-unlock - Forwarded from unlock component\n * @fires qd:data-cleared - Forwarded from manage component\n */\n@customElement('qd-instructor')\nexport class QdInstructor extends LitElement {\n static override styles = [\n sharedStyles,\n css`\n :host {\n display: none; /* Hidden by default, shown when instructor logged in */\n }\n\n :host([data-show]) {\n display: block;\n }\n `,\n ];\n\n @state()\n private unlocked = false;\n\n @state()\n private showScores = false;\n\n @state()\n private students: StudentRecord[] = [];\n\n @state()\n private showStudentAnswers = false;\n\n @state()\n private showPinReset = false;\n\n @state()\n private helpOpen = false;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n\n // Auto-unlock if instructor is already logged in\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.unlock();\n }\n\n // Restore toggle state from sessionStorage\n const savedState = sessionStorage.getItem('qd/instructor/showAnswers');\n if (savedState !== null) {\n this.showStudentAnswers = savedState === 'true';\n\n // If toggle was enabled and instructor is logged in, dispatch event to show answers\n if (this.showStudentAnswers && isInstructor) {\n // Dispatch after tables are enhanced (use setTimeout to defer)\n setTimeout(() => {\n this.dispatchEvent(\n new CustomEvent('qd:instructor-show-answers', {\n bubbles: true,\n composed: true,\n }),\n );\n }, 100);\n }\n }\n\n document.addEventListener('qd:login', this.handleLoginEvent);\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:login', this.handleLoginEvent);\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n /**\n * Update visibility based on instructor session state\n */\n private updateVisibility(): void {\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n private handleLoginEvent = (event: Event): void => {\n const customEvent = event as CustomEvent<{ role?: string }>;\n const role = customEvent.detail?.role;\n\n this.updateVisibility();\n\n // Auto-unlock if instructor logged in\n if (role === 'instructor') {\n this.unlock();\n }\n };\n\n private handleLogoutEvent = (): void => {\n this.updateVisibility();\n this.lock();\n };\n\n /**\n * Set student data for display\n */\n setStudents(students: StudentRecord[]): void {\n this.students = students;\n }\n\n /**\n * Unlock instructor panel (call after successful auth)\n */\n unlock(): void {\n this.unlocked = true;\n }\n\n /**\n * Lock instructor panel (call on logout)\n */\n lock(): void {\n this.unlocked = false;\n this.showScores = false;\n this.showPinReset = false;\n }\n\n private handleResetPins = async (): Promise => {\n // Load all students for current release before showing reset dialog\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const { getStorageService } = await import('../../services/storage-service.js');\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showPinReset = true;\n };\n\n private handleClosePinReset = (): void => {\n this.showPinReset = false;\n };\n\n private handlePinReset = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleUnlock = (): void => {\n this.unlocked = true;\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:instructor-unlock', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleViewScores = async (): Promise => {\n // Load all students for current release before showing scores\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const { getStorageService } = await import('../../services/storage-service.js');\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showScores = true;\n };\n\n private handleCloseScores = (): void => {\n this.showScores = false;\n };\n\n private handleDataCleared = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:data-cleared', {\n bubbles: true,\n composed: true,\n }),\n );\n // Refresh students list\n this.students = [];\n };\n\n private handleLogout = (): void => {\n const session = getJSON(STORAGE_KEYS.SESSION);\n\n // Clear session from storage (this will also emit qd:logout event)\n const sessionService = new SessionService();\n sessionService.clearSession();\n\n // Dispatch event for any additional listeners\n this.dispatchEvent(\n new CustomEvent('qd:logout', {\n detail: {\n serviceId: session?.serviceId || 'unknown',\n },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleToggleStudentAnswers = async (e: Event): Promise => {\n const checkbox = e.target as HTMLInputElement;\n this.showStudentAnswers = checkbox.checked;\n\n // FR-004: Load student data in fresh session when toggle is enabled\n if (this.showStudentAnswers && this.students.length === 0) {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (session) {\n try {\n const { getStorageService } = await import('../../services/storage-service.js');\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students for toggle:', err);\n }\n }\n }\n\n // Emit event to notify table enhancers\n const eventName = this.showStudentAnswers\n ? 'qd:instructor-show-answers'\n : 'qd:instructor-hide-answers';\n\n this.dispatchEvent(\n new CustomEvent(eventName, {\n bubbles: true,\n composed: true,\n }),\n );\n\n // Persist toggle state in sessionStorage\n sessionStorage.setItem('qd/instructor/showAnswers', String(this.showStudentAnswers));\n };\n\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n override render() {\n if (!this.unlocked) {\n return html`\n \n `;\n }\n\n return html`\n
      \n
      \n Instructor Mode\n \n \n
      \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n
      \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor': QdInstructor;\n }\n}\n","/**\n * Component Injector\n * Injects UI components into the DOM during initialization\n */\n\nimport '../components/qd-login.js';\nimport '../components/qd-status.js';\nimport '../components/qd-instructor/qd-instructor.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * Default container selectors for component injection\n */\nexport const DEFAULT_CONTAINERS = {\n /** Where to inject status panel (Oxygen WebHelp default) */\n statusPanel: '.wh_top_menu_and_indexterms_link',\n} as const;\n\n/**\n * Configuration for component injection\n */\nexport interface ComponentInjectorConfig {\n /** Selector for status panel container */\n statusPanelContainer?: string;\n /** Database name for storage service */\n dbName?: string;\n}\n\n/**\n * Inject login component into status panel container\n */\nexport function injectLoginComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Login component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const login = document.createElement('qd-login');\n container.appendChild(login);\n info('Login component injected');\n return login;\n}\n\n/**\n * Inject status component into status panel container\n */\nexport function injectStatusComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Status component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const status = document.createElement('qd-status');\n container.appendChild(status);\n info('Status component injected');\n return status;\n}\n\n/**\n * Inject instructor component (shown when instructor unlocked)\n */\nexport function injectInstructorComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Instructor component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const instructor = document.createElement('qd-instructor');\n container.appendChild(instructor);\n info('Instructor component injected');\n return instructor;\n}\n\n/**\n * Inject all UI components based on configuration\n */\nexport function injectComponents(config: ComponentInjectorConfig = {}): void {\n const statusPanelContainer = config.statusPanelContainer || DEFAULT_CONTAINERS.statusPanel;\n\n // Always inject login component (handles showing/hiding based on session state)\n injectLoginComponent(statusPanelContainer);\n\n // Always inject status component (handles showing/hiding based on session state)\n injectStatusComponent(statusPanelContainer);\n\n // Always inject instructor component (hidden until unlocked)\n injectInstructorComponent(statusPanelContainer);\n}\n","/**\n * Home Page Badge Enhancer\n *\n * Applies R/A/G (Red/Amber/Green) badges to navigation links based on\n * page completion states. Updates badges in real-time when states change.\n *\n * Features:\n * - Queries links with class .quizPageBtn\n * - Reads completion state from SessionCache\n * - Applies CSS classes: qd-badge-red, qd-badge-amber, qd-badge-green\n * - Listens for qd:state-changed events for real-time updates\n * - Handles missing data gracefully\n *\n * Badge Colors:\n * - Red: Unstarted (no answers provided)\n * - Amber: Incomplete (some answered OR any incorrect)\n * - Green: Complete (all answered AND all correct)\n */\n\nimport type { PageId, SessionCache, CompletionState } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * CSS class constants for badges\n */\nconst BADGE_CLASSES = {\n red: 'qd-badge-red',\n amber: 'qd-badge-amber',\n green: 'qd-badge-green',\n} as const;\n\n/**\n * Map completion states to badge colors\n */\nconst STATE_TO_BADGE: Record = {\n unstarted: 'red',\n incomplete: 'amber',\n complete: 'green',\n};\n\n/**\n * Apply badge class to a link element\n *\n * @param link - Link element to apply badge to\n * @param state - Completion state\n */\nfunction applyBadge(link: HTMLElement, state: CompletionState): void {\n // Remove all existing badge classes\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n\n // Apply new badge class based on state\n const badgeColor = STATE_TO_BADGE[state];\n const badgeClass = BADGE_CLASSES[badgeColor];\n link.classList.add(badgeClass);\n}\n\n/**\n * Get completion state for a page from session cache\n *\n * @param pageId - Page ID to look up\n * @param cache - Session cache\n * @returns Completion state (defaults to 'unstarted' if not found)\n */\nfunction getPageState(pageId: PageId | null, cache: SessionCache | null): CompletionState {\n if (!pageId || !cache?.pages) {\n return 'unstarted';\n }\n\n const pageData = cache.pages[pageId];\n return pageData?.state ?? 'unstarted';\n}\n\n/**\n * Update badge for a single link\n *\n * @param link - Link element with data-page-id attribute\n */\nfunction updateLinkBadge(link: HTMLElement): void {\n const pageId = link.getAttribute('data-page-id');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const state = getPageState(pageId, cache);\n\n applyBadge(link, state);\n}\n\n/**\n * Update all badges from current session cache\n * If no session exists, remove all badges\n */\nfunction updateAllBadges(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n\n // If instructor mode OR no cache, remove all badge styling\n if (!cache || isInstructor) {\n links.forEach((link) => {\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n if (isInstructor) {\n info(`Removed badge styling from ${links.length} page links (instructor mode)`);\n } else {\n info(`Removed badge styling from ${links.length} page links (no session)`);\n }\n return;\n }\n\n // Cache exists and not instructor, apply badges based on state\n links.forEach((link) => {\n updateLinkBadge(link);\n });\n\n info(`Updated ${links.length} page badges`);\n}\n\n/**\n * Handle qd:state-changed event\n *\n * @param event - Custom event with pageId and state\n */\nfunction handleStateChanged(event: Event): void {\n const customEvent = event as CustomEvent<{ pageId: PageId; state: CompletionState }>;\n const { pageId } = customEvent.detail;\n\n // Find link with matching pageId\n const link = document.querySelector(`[data-page-id=\"${pageId}\"]`);\n\n if (link && link.classList.contains('quizPageBtn')) {\n updateLinkBadge(link);\n info(`Updated badge for page ${pageId}`);\n }\n}\n\n/**\n * Handle qd:cache-rebuild event - refresh all badges after cache is ready\n */\nfunction handleCacheRebuild(): void {\n info('Cache rebuilt, refreshing all badges');\n updateAllBadges();\n}\n\n/**\n * Handle qd:logout event - remove all badge styling\n */\nfunction handleLogout(): void {\n info('Logout detected, removing all badge styling');\n const links = document.querySelectorAll('.quizPageBtn');\n\n links.forEach((link) => {\n // Remove all badge classes to revert to native button styling\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n\n info(`Removed badge styling from ${links.length} page links`);\n}\n\n/**\n * Extract pageId from link href attribute\n *\n * @param link - Link element with href\n * @returns PageId extracted from href, or null if invalid\n *\n * @example\n * href=\"Pages/quiz-mcq.html\" → \"quiz-mcq\"\n * href=\"gram-1.html\" → \"gram-1\"\n */\nfunction extractPageIdFromHref(link: HTMLAnchorElement): PageId | null {\n const href = link.getAttribute('href');\n if (!href) {\n return null;\n }\n\n // Extract filename from href (last segment after /)\n const filename = href.substring(href.lastIndexOf('/') + 1);\n\n // Remove .html or .htm extension\n const pageId = filename.replace(/\\.html?$/i, '');\n\n return pageId || null;\n}\n\n/**\n * Enhance home page with R/A/G badges on navigation links\n *\n * This function:\n * 1. Queries all links with class .quizPageBtn\n * 2. Extracts pageId from href attribute and sets data-page-id\n * 3. Reads SessionCache to determine page completion states\n * 4. Applies appropriate badge CSS classes\n * 5. Sets up event listener for real-time updates\n *\n * @example\n * ```html\n * MCQ Questions\n * ```\n *\n * After enhancement:\n * - data-page-id attribute set: data-page-id=\"quiz-mcq\"\n * - Unstarted pages: class=\"quizPageBtn qd-badge-red\"\n * - Incomplete pages: class=\"quizPageBtn qd-badge-amber\"\n * - Complete pages: class=\"quizPageBtn qd-badge-green\"\n */\nexport function enhanceHomeBadges(): void {\n // Find all navigation links\n const links = document.querySelectorAll('.quizPageBtn');\n\n // Extract pageId from href and set data-page-id attribute\n links.forEach((link) => {\n const pageId = extractPageIdFromHref(link);\n if (pageId) {\n link.setAttribute('data-page-id', pageId);\n info(`Set data-page-id=\"${pageId}\" for link: ${link.textContent?.trim()}`);\n } else {\n info(`Failed to extract pageId from href: ${link.getAttribute('href')}`);\n }\n });\n\n // Apply initial badges\n updateAllBadges();\n\n // Listen for state changes and update badges in real-time\n document.addEventListener('qd:state-changed', handleStateChanged);\n\n // Listen for cache rebuild (after login) to refresh badges\n document.addEventListener('qd:cache-rebuild', handleCacheRebuild);\n\n // Listen for logout events to reset badges\n document.addEventListener('qd:logout', handleLogout);\n\n info('Home page badges enhanced with event listeners');\n}\n","/**\n * Bootstrap Module\n * Main initialization logic for the Sonar Quiz System\n */\n\nimport { info, warn } from '../utils/logger.js';\nimport { EventCoordinator } from './event-coordinator.js';\nimport { SessionCoordinator } from './session-coordinator.js';\nimport { injectComponents, type ComponentInjectorConfig } from './component-injector.js';\nimport {\n enhanceQuizTable,\n getQuizTableMetadata,\n showStudentAnswersForTable,\n hideStudentAnswersForTable,\n} from '../enhancers/quiz-table.js';\nimport { enhanceAnalysisTable } from '../enhancers/analysis-table.js';\nimport { enhanceHomeBadges } from '../enhancers/home-badges.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS, type SessionData, type SessionCache } from '../types/contracts.js';\n\n/**\n * Inject global CSS styles required by the quiz system\n * Must be called before any table enhancement\n */\nfunction injectGlobalStyles(): void {\n // Check if styles already injected\n if (document.getElementById('qd-global-styles')) {\n return;\n }\n\n const style = document.createElement('style');\n style.id = 'qd-global-styles';\n style.textContent = `\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: 1rem;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n `;\n\n document.head.appendChild(style);\n info('Global styles injected');\n}\n\n/**\n * Bootstrap configuration options\n */\nexport interface BootstrapConfig extends ComponentInjectorConfig {\n /** Auto-enhance quiz tables on init */\n autoEnhanceQuizTables?: boolean;\n /** Auto-enhance analysis tables on init */\n autoEnhanceAnalysisTables?: boolean;\n /** Auto-enhance home page badges on init */\n autoEnhanceHomeBadges?: boolean;\n}\n\n/**\n * Bootstrap state\n */\ninterface BootstrapState {\n initialized: boolean;\n eventCoordinator?: EventCoordinator;\n sessionCoordinator?: SessionCoordinator;\n}\n\nconst state: BootstrapState = {\n initialized: false,\n};\n\n/**\n * Initialize the Sonar Quiz System\n *\n * @param config - Bootstrap configuration\n */\nexport async function bootstrap(config: BootstrapConfig = {}): Promise {\n if (state.initialized) {\n warn('Bootstrap already initialized, skipping');\n return;\n }\n\n info('Bootstrapping Sonar Quiz System...');\n\n // 0. Inject required global styles\n injectGlobalStyles();\n\n // 1. Initialize storage service (IndexedDB)\n // dbName is REQUIRED - readDOMConfig() throws if missing\n if (!config.dbName) {\n const msg = 'FATAL: dbName not provided in bootstrap config. Processing stopped.';\n console.error(msg);\n throw new Error(msg);\n }\n const storageService = getStorageService(config.dbName);\n await storageService.init();\n\n // 2. Initialize event coordinator\n const eventCoordinator = new EventCoordinator();\n eventCoordinator.initialize();\n state.eventCoordinator = eventCoordinator;\n\n // 3. Initialize session coordinator\n const sessionCoordinator = new SessionCoordinator();\n sessionCoordinator.initialize();\n state.sessionCoordinator = sessionCoordinator;\n\n // 4. Inject UI components\n injectComponents({\n statusPanelContainer: config.statusPanelContainer,\n dbName: config.dbName,\n });\n\n // 5. Auto-enhance tables if enabled\n if (config.autoEnhanceQuizTables !== false) {\n enhanceAllQuizTables();\n }\n\n if (config.autoEnhanceAnalysisTables !== false) {\n enhanceAllAnalysisTables();\n }\n\n if (config.autoEnhanceHomeBadges !== false) {\n enhanceHomeBadgesIfPresent();\n }\n\n // 6. Check for existing session and upgrade tables if logged in\n await checkExistingSessionAndUpgradeTables();\n\n state.initialized = true;\n info('Bootstrap complete');\n}\n\n/**\n * Enhance all quiz tables found in the document\n * Initially enhances in non-interactive mode (hide answers for security)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllQuizTables(): void {\n const tables = document.querySelectorAll('table.qd-quiz');\n\n if (tables.length === 0) {\n info('No quiz tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} quiz table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceQuizTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance quiz table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} quiz table(s) (non-interactive)`);\n}\n\n/**\n * Enhance all analysis tables found in the document\n * Initially enhances in non-interactive mode (read-only)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllAnalysisTables(): void {\n const tables = document.querySelectorAll('table.qd-analysis');\n\n if (tables.length === 0) {\n info('No analysis tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} analysis table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceAnalysisTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance analysis table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} analysis table(s) (non-interactive)`);\n}\n\n/**\n * Enhance home page badges if .quizPageBtn links exist\n */\nfunction enhanceHomeBadgesIfPresent(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n\n if (links.length === 0) {\n info('No .quizPageBtn links found, skipping badge enhancement');\n return;\n }\n\n info(`Enhancing home page badges for ${links.length} link(s)...`);\n\n try {\n enhanceHomeBadges();\n info('Home page badges enhanced');\n } catch (err) {\n warn(`Failed to enhance home badges: ${(err as Error).message}`);\n }\n}\n\n/**\n * Check for existing session and upgrade tables to interactive mode\n * Called during bootstrap to handle page navigation with active session\n */\nasync function checkExistingSessionAndUpgradeTables(): Promise {\n // Check if session exists\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n info('No existing session, tables remain in non-interactive mode');\n return;\n }\n\n // Check if instructor mode - instructors don't need interactive tables\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n info('Instructor session detected, revealing answers in non-interactive tables');\n\n // Extract pageId from URL\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n // Reveal answer and detail columns for instructor (they're hidden by default in non-interactive mode)\n const quizTables = document.querySelectorAll('table.qd-quiz');\n quizTables.forEach((table) => {\n // Get parsed metadata (contains correct answers)\n const metadata = getQuizTableMetadata(table);\n if (!metadata) return;\n\n // Update metadata with pageId\n metadata.pageId = pageId;\n\n // Remove qd-hidden class from answer column (column 1)\n const answerCells = table.querySelectorAll('td:nth-child(2), th:nth-child(2)');\n answerCells.forEach((cell) => {\n cell.classList.remove('qd-hidden');\n });\n\n // Restore answer text to data cells only (not header)\n const answerDataCells = table.querySelectorAll('tbody td:nth-child(2)');\n answerDataCells.forEach((cell, index) => {\n const question = metadata.parsed.questions[index];\n if (question && cell instanceof HTMLTableCellElement) {\n cell.textContent = question.correctAnswer;\n }\n });\n\n // Remove qd-hidden class from detail column (column 2)\n const detailCells = table.querySelectorAll('td:nth-child(3), th:nth-child(3)');\n detailCells.forEach((cell) => cell.classList.remove('qd-hidden'));\n\n // Set up instructor toggle event listeners (since table is non-interactive)\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if toggle already enabled\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (showAnswers) {\n void showAnswersHandler();\n }\n });\n return;\n }\n\n info(`Existing session detected for ${session.serviceId}, upgrading tables to interactive mode`);\n\n // Load or rebuild cache from IndexedDB\n const storageService = getStorageService();\n let cache = getJSON(STORAGE_KEYS.CACHE);\n\n if (!cache) {\n info('Cache not found, rebuilding from IndexedDB...');\n try {\n const studentRecord = await storageService.loadStudentRecord(session);\n cache = storageService.buildCache(studentRecord);\n setJSON(STORAGE_KEYS.CACHE, cache);\n info(`Cache rebuilt from IndexedDB: ${cache.totals.total} total questions`);\n } catch {\n warn('Failed to rebuild cache from IndexedDB, using empty cache');\n cache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n setJSON(STORAGE_KEYS.CACHE, cache);\n }\n }\n\n // Extract pageId from URL filename\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n if (!pageId) {\n info('No pageId found, skipping table upgrade');\n return;\n }\n\n // Upgrade quiz tables to interactive mode\n const quizTables = document.querySelectorAll('table.qd-quiz');\n if (quizTables.length > 0) {\n info(`Upgrading ${quizTables.length} quiz table(s) to interactive mode...`);\n quizTables.forEach((table) => {\n enhanceQuizTable(table, { interactive: true, pageId });\n });\n }\n\n // Upgrade analysis tables to interactive mode\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n if (analysisTables.length > 0) {\n info(`Upgrading ${analysisTables.length} analysis table(s) to interactive mode...`);\n analysisTables.forEach((table) => {\n enhanceAnalysisTable(table, { interactive: true, pageId });\n });\n }\n}\n\n/**\n * Cleanup bootstrap resources\n */\nexport function cleanup(): void {\n if (!state.initialized) {\n warn('Bootstrap not initialized, nothing to cleanup');\n return;\n }\n\n info('Cleaning up bootstrap resources...');\n\n state.eventCoordinator?.cleanup();\n state.sessionCoordinator?.cleanup();\n\n state.initialized = false;\n state.eventCoordinator = undefined;\n state.sessionCoordinator = undefined;\n\n info('Bootstrap cleanup complete');\n}\n\n/**\n * Check if bootstrap is initialized\n */\nexport function isInitialized(): boolean {\n return state.initialized;\n}\n\n/**\n * Get the event coordinator instance\n */\nexport function getEventCoordinator(): EventCoordinator | undefined {\n return state.eventCoordinator;\n}\n\n/**\n * Get the session coordinator instance\n */\nexport function getSessionCoordinator(): SessionCoordinator | undefined {\n return state.sessionCoordinator;\n}\n","/**\n * Sonar Quiz System - Entry Point\n *\n * Offline-first interactive quiz and analysis platform for DITA-published content.\n *\n * @packageDocumentation\n */\n\nimport { bootstrap } from './init/bootstrap.js';\nimport { info } from './utils/logger.js';\nimport { readDOMConfig } from './config/dom-config-reader.js';\n\n// Export quiz table enhancer (Phase 2.1)\nexport {\n enhanceQuizTable,\n getQuizTableMetadata,\n isQuizTableEnhanced,\n} from './enhancers/quiz-table.js';\nexport type { EnhanceQuizTableOptions } from './enhancers/quiz-table.js';\n\n// Export analysis table enhancer (Phase 2.2)\nexport {\n enhanceAnalysisTable,\n getAnalysisTableMetadata,\n isAnalysisTableEnhanced,\n} from './enhancers/analysis-table.js';\nexport type { EnhanceAnalysisTableOptions } from './enhancers/analysis-table.js';\n\n// Export types\nexport type {\n ParsedQuizTable,\n QuizQuestion,\n AnswerRecord,\n CompletionState,\n PageId,\n SessionData,\n SessionCache,\n StudentRecord,\n PageData,\n ReleaseId,\n ServiceId,\n TableId,\n CellKey,\n QuestionKind,\n} from './types/contracts.js';\n\n// Export constants\nexport { STORAGE_KEYS, SCHEMA_VERSION, SESSION_TIMEOUT_MS } from './types/contracts.js';\n\n// Export services\nexport { parseQuizTable, validateAnswer } from './services/quiz-parser.js';\nexport {\n parseAnalysisTable,\n generateTableId,\n generateCellKey,\n isCellEditable,\n} from './services/analysis-parser.js';\nexport { calculateCompletionState } from './services/state-calculator.js';\n\n// Export utilities\nexport { Debouncer } from './utils/debouncer.js';\nexport { getJSON, setJSON, clearQuizData } from './utils/storage-helpers.js';\nexport { info, warn, error } from './utils/logger.js';\n\n// Export bootstrap (Phase 3)\nexport { bootstrap, cleanup, isInitialized } from './init/bootstrap.js';\nexport type { BootstrapConfig } from './init/bootstrap.js';\n\n// Export component injector\nexport { injectComponents, DEFAULT_CONTAINERS } from './init/component-injector.js';\nexport type { ComponentInjectorConfig } from './init/component-injector.js';\n\n/**\n * Version information\n */\nexport const VERSION = '0.1.0-phase3.1';\nexport const BUILD_DATE = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : 'development';\n\n// Declare global for build date injection\ndeclare const __BUILD_DATE__: string;\n\n/**\n * Auto-initialize on DOMContentLoaded\n *\n * System always initializes when script loads. Configuration is read from\n * hidden DOM elements injected by DITA publishing (see dom-config-reader.ts).\n */\nif (typeof window !== 'undefined') {\n const init = () => {\n info('Auto-initializing Sonar Quiz System');\n\n // Read configuration from hidden DOM elements\n const domConfig = readDOMConfig();\n\n // Bootstrap with DOM config\n bootstrap({\n dbName: domConfig.dbName,\n statusPanelContainer: domConfig.statusPanelContainer,\n autoEnhanceQuizTables: true,\n autoEnhanceAnalysisTables: true,\n autoEnhanceHomeBadges: true,\n }).catch((err) => {\n console.error('[FATAL] Bootstrap failed:', err);\n });\n };\n\n // Initialize when DOM is ready\n if (document.readyState === 'loading') {\n document.addEventListener('DOMContentLoaded', () => void init());\n } else {\n // DOM already loaded\n void init();\n 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\ No newline at end of file diff --git a/specs/008-user-guidance-popups/tasks.md b/specs/008-user-guidance-popups/tasks.md index 2ac5301..0dd7ec4 100644 --- a/specs/008-user-guidance-popups/tasks.md +++ b/specs/008-user-guidance-popups/tasks.md @@ -27,9 +27,9 @@ **Purpose**: Create shared components that all user stories depend on -- [ ] T001 [P] Add help content config IDs and readHelpContent() function to src/config/dom-config-reader.ts -- [ ] T002 [P] Create qd-help-trigger component in src/components/qd-help-trigger.ts -- [ ] T003 [P] Create qd-help-popup component in src/components/qd-help-popup.ts +- [x] T001 [P] Add help content config IDs and readHelpContent() function to src/config/dom-config-reader.ts +- [x] T002 [P] Create qd-help-trigger component in src/components/qd-help-trigger.ts +- [x] T003 [P] Create qd-help-popup component in src/components/qd-help-popup.ts --- @@ -39,10 +39,10 @@ **⚠️ CRITICAL**: Tests must FAIL before implementing integration tasks -- [ ] T004 [P] Write unit tests for qd-help-trigger in tests/unit/components/qd-help-trigger.test.ts -- [ ] T005 [P] Write unit tests for qd-help-popup in tests/unit/components/qd-help-popup.test.ts -- [ ] T006 [P] Create Storybook stories for qd-help-trigger in stories/components/qd-help-trigger.stories.ts -- [ ] T007 [P] Create Storybook stories for qd-help-popup in stories/components/qd-help-popup.stories.ts +- [x] T004 [P] Write unit tests for qd-help-trigger in tests/unit/components/qd-help-trigger.test.ts +- [x] T005 [P] Write unit tests for qd-help-popup in tests/unit/components/qd-help-popup.test.ts +- [x] T006 [P] Create Storybook stories for qd-help-trigger in stories/components/qd-help-trigger.stories.ts +- [x] T007 [P] Create Storybook stories for qd-help-popup in stories/components/qd-help-popup.stories.ts **Checkpoint**: All new components tested and documented in Storybook @@ -58,14 +58,14 @@ > **NOTE: Write these tests FIRST, ensure they FAIL before implementation** -- [ ] T008 [US1] Write E2E test for login panel help popup in tests/e2e/help-popups.spec.ts (login section only) +- [x] T008 [US1] Write E2E test for login panel help popup in tests/e2e/help-popups.spec.ts (login section only) ### Implementation for User Story 1 -- [ ] T009 [US1] Add helpOpen state property to qd-login component in src/components/qd-login.ts -- [ ] T010 [US1] Add qd-help-trigger and qd-help-popup to qd-login render template in src/components/qd-login.ts -- [ ] T011 [US1] Wire up help trigger click handler to toggle popup in src/components/qd-login.ts -- [ ] T012 [US1] Verify E2E test passes for login help popup +- [x] T009 [US1] Add helpOpen state property to qd-login component in src/components/qd-login.ts +- [x] T010 [US1] Add qd-help-trigger and qd-help-popup to qd-login render template in src/components/qd-login.ts +- [x] T011 [US1] Wire up help trigger click handler to toggle popup in src/components/qd-login.ts +- [x] T012 [US1] Verify E2E test passes for login help popup **Checkpoint**: User Story 1 complete - login panel has working help popup @@ -79,14 +79,14 @@ ### Tests for User Story 2 -- [ ] T013 [US2] Add E2E test for student status panel help popup to tests/e2e/help-popups.spec.ts (status section) +- [x] T013 [US2] Add E2E test for student status panel help popup to tests/e2e/help-popups.spec.ts (status section) ### Implementation for User Story 2 -- [ ] T014 [US2] Add helpOpen state property to qd-status component in src/components/qd-status.ts -- [ ] T015 [US2] Add qd-help-trigger and qd-help-popup to qd-status render template in src/components/qd-status.ts -- [ ] T016 [US2] Wire up help trigger click handler to toggle popup in src/components/qd-status.ts -- [ ] T017 [US2] Verify E2E test passes for status help popup +- [x] T014 [US2] Add helpOpen state property to qd-status component in src/components/qd-status.ts +- [x] T015 [US2] Add qd-help-trigger and qd-help-popup to qd-status render template in src/components/qd-status.ts +- [x] T016 [US2] Wire up help trigger click handler to toggle popup in src/components/qd-status.ts +- [x] T017 [US2] Verify E2E test passes for status help popup **Checkpoint**: User Story 2 complete - student status panel has working help popup @@ -100,14 +100,14 @@ ### Tests for User Story 3 -- [ ] T018 [US3] Add E2E test for instructor panel help popup to tests/e2e/help-popups.spec.ts (instructor section) +- [x] T018 [US3] Add E2E test for instructor panel help popup to tests/e2e/help-popups.spec.ts (instructor section) ### Implementation for User Story 3 -- [ ] T019 [US3] Add helpOpen state property to qd-instructor component in src/components/qd-instructor/qd-instructor.ts -- [ ] T020 [US3] Add qd-help-trigger and qd-help-popup to qd-instructor render template in src/components/qd-instructor/qd-instructor.ts -- [ ] T021 [US3] Wire up help trigger click handler to toggle popup in src/components/qd-instructor/qd-instructor.ts -- [ ] T022 [US3] Verify E2E test passes for instructor help popup +- [x] T019 [US3] Add helpOpen state property to qd-instructor component in src/components/qd-instructor/qd-instructor.ts +- [x] T020 [US3] Add qd-help-trigger and qd-help-popup to qd-instructor render template in src/components/qd-instructor/qd-instructor.ts +- [x] T021 [US3] Wire up help trigger click handler to toggle popup in src/components/qd-instructor/qd-instructor.ts +- [x] T022 [US3] Verify E2E test passes for instructor help popup **Checkpoint**: User Story 3 complete - instructor panel has working help popup @@ -117,13 +117,13 @@ **Purpose**: Final validation and documentation -- [ ] T023 Run full E2E test suite: npm run test:e2e -- tests/e2e/help-popups.spec.ts -- [ ] T024 Run unit tests: npm run test:unit -- --grep "qd-help" -- [ ] T025 Run typecheck: npm run typecheck -- [ ] T026 Run linter: npm run lint -- [ ] T027 Run bundle size check: npm run size-check -- [ ] T028 Verify Storybook renders all help components: npm run storybook -- [ ] T029 Update demo HTML files with help config spans in demo/*.html (if needed) +- [x] T023 Run full E2E test suite: npm run test:e2e -- tests/e2e/help-popups.spec.ts (16/16 passed) +- [x] T024 Run unit tests: npm run test:unit (727/727 passed) +- [x] T025 Run typecheck: npm run typecheck (passed) +- [x] T026 Run linter: npm run lint (0 errors, 4 pre-existing warnings) +- [x] T027 Run bundle size check: npm run size-check (35.19KB - 0.19KB over 35KB limit) +- [x] T028 Verify Storybook renders all help components: stories added in Phase 2, E2E tests confirm rendering +- [x] T029 Update demo HTML files with help config spans in demo/*.html: Not needed - defaults work correctly --- diff --git a/src/components/qd-help-popup.ts b/src/components/qd-help-popup.ts new file mode 100644 index 0000000..c04a829 --- /dev/null +++ b/src/components/qd-help-popup.ts @@ -0,0 +1,256 @@ +/** + * Help Popup Component + * + * A modal popup that displays contextual help content. + * Wraps qd-modal to provide help-specific styling and behavior. + * + * @element qd-help-popup + * @fires {CustomEvent} qd:modal-close - Emitted when popup closes + * + * @example + * ```html + * this.helpOpen = false} + * > + * ``` + * + * Feature: 008-user-guidance-popups + */ + +import { LitElement, nothing } from 'lit'; +import { customElement, property, state } from 'lit/decorators.js'; + +// Help popup styles for portal rendering +const HELP_POPUP_STYLES = ` +.qd-help-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:99999;font-family:system-ui,-apple-system,sans-serif} +.qd-help-content{background:#fff;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.3);max-width:450px;max-height:80vh;overflow:auto} +.qd-help-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #eee} +.qd-help-title{font-weight:600;font-size:18px;color:#333;margin:0} +.qd-help-close{background:none;border:none;font-size:24px;color:#666;cursor:pointer;padding:0;line-height:1;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:4px} +.qd-help-close:hover{background:#f0f0f0;color:#333} +.qd-help-close:focus{outline:2px solid #0066cc;outline-offset:2px} +.qd-help-body{padding:20px;line-height:1.6;color:#444} +.qd-help-body h3{margin-top:0;margin-bottom:12px;color:#333;font-size:16px} +.qd-help-body p{margin:0 0 12px 0} +.qd-help-body p:last-child{margin-bottom:0} +.qd-help-body strong{color:#333}`; + +/** + * Help popup modal component + */ +@customElement('qd-help-popup') +export class QdHelpPopup extends LitElement { + /** + * Style element for help popup CSS (injected once) + */ + private static styleElement: HTMLStyleElement | null = null; + + /** + * Portal element appended to body + */ + private portalElement: HTMLDivElement | null = null; + + /** + * Previously focused element for restoration + */ + private previouslyFocused: Element | null = null; + + /** + * Whether the popup is open + */ + @property({ type: Boolean, reflect: true }) + open = false; + + /** + * Popup title + */ + @property({ type: String }) + title = 'Help'; + + /** + * HTML content to display (from readHelpContent) + */ + @property({ type: String }) + content = ''; + + /** + * Track internal open state for portal management + */ + @state() + private _isOpen = false; + + connectedCallback() { + super.connectedCallback(); + document.addEventListener('keydown', this.handleKeyDown); + this.ensureStyles(); + } + + disconnectedCallback() { + super.disconnectedCallback(); + document.removeEventListener('keydown', this.handleKeyDown); + this.removePortal(); + } + + updated(changedProperties: Map) { + if (changedProperties.has('open')) { + if (this.open && !this._isOpen) { + this.handleOpen(); + } else if (!this.open && this._isOpen) { + this.handleClose(); + } + } + } + + /** + * Ensure help popup styles are added to document head (once) + */ + private ensureStyles() { + if (!QdHelpPopup.styleElement) { + QdHelpPopup.styleElement = document.createElement('style'); + QdHelpPopup.styleElement.textContent = HELP_POPUP_STYLES; + document.head.appendChild(QdHelpPopup.styleElement); + } + } + + /** + * Create and show the portal + */ + private createPortal() { + this.removePortal(); + + // Create backdrop + this.portalElement = document.createElement('div'); + this.portalElement.className = 'qd-help-backdrop'; + this.portalElement.addEventListener('click', this.handleBackdropClick); + + // Create content container + const contentEl = document.createElement('div'); + contentEl.className = 'qd-help-content'; + contentEl.setAttribute('role', 'dialog'); + contentEl.setAttribute('aria-modal', 'true'); + contentEl.setAttribute('aria-labelledby', 'qd-help-title'); + contentEl.addEventListener('click', this.stopPropagation); + + // Create header + const headerEl = document.createElement('div'); + headerEl.className = 'qd-help-header'; + + const titleEl = document.createElement('h2'); + titleEl.className = 'qd-help-title'; + titleEl.id = 'qd-help-title'; + titleEl.textContent = this.title; + + const closeBtn = document.createElement('button'); + closeBtn.className = 'qd-help-close'; + closeBtn.setAttribute('aria-label', 'Close'); + closeBtn.innerHTML = '×'; + closeBtn.addEventListener('click', this.handleCloseClick); + + headerEl.appendChild(titleEl); + headerEl.appendChild(closeBtn); + + // Create body + const bodyEl = document.createElement('div'); + bodyEl.className = 'qd-help-body'; + bodyEl.innerHTML = this.content; + + contentEl.appendChild(headerEl); + contentEl.appendChild(bodyEl); + this.portalElement.appendChild(contentEl); + document.body.appendChild(this.portalElement); + + // Focus close button + requestAnimationFrame(() => { + closeBtn.focus(); + }); + } + + /** + * Remove portal from DOM + */ + private removePortal() { + if (this.portalElement) { + this.portalElement.remove(); + this.portalElement = null; + } + } + + /** + * Handle opening + */ + private handleOpen() { + this._isOpen = true; + this.previouslyFocused = document.activeElement; + this.createPortal(); + } + + /** + * Handle closing + */ + private handleClose() { + this._isOpen = false; + this.removePortal(); + + // Restore focus + if (this.previouslyFocused instanceof HTMLElement) { + this.previouslyFocused.focus(); + } + } + + /** + * Handle keyboard events + */ + private handleKeyDown = (event: KeyboardEvent) => { + if (event.key === 'Escape' && this._isOpen) { + this.close(); + } + }; + + /** + * Handle backdrop click + */ + private handleBackdropClick = () => { + this.close(); + }; + + /** + * Handle close button click + */ + private handleCloseClick = () => { + this.close(); + }; + + /** + * Stop propagation for content clicks + */ + private stopPropagation = (event: Event) => { + event.stopPropagation(); + }; + + /** + * Close the popup and emit event + */ + close() { + this.open = false; + this.dispatchEvent( + new CustomEvent('qd:modal-close', { + bubbles: true, + composed: true, + }), + ); + } + + render() { + // Portal renders to body, component renders nothing + return nothing; + } +} + +declare global { + interface HTMLElementTagNameMap { + 'qd-help-popup': QdHelpPopup; + } +} diff --git a/src/components/qd-help-trigger.ts b/src/components/qd-help-trigger.ts new file mode 100644 index 0000000..cf4e98b --- /dev/null +++ b/src/components/qd-help-trigger.ts @@ -0,0 +1,100 @@ +/** + * Help Trigger Component + * + * A small help icon button (?) that triggers contextual help popups. + * Emits qd:help-open event when activated via click or keyboard (Enter/Space). + * + * @element qd-help-trigger + * @fires {CustomEvent<{panelType: string}>} qd:help-open - Emitted when help is requested + * + * @example + * ```html + * + * ``` + * + * Feature: 008-user-guidance-popups + */ + +import { LitElement, html, css } from 'lit'; +import { customElement, property } from 'lit/decorators.js'; + +/** + * Help trigger button component + */ +@customElement('qd-help-trigger') +export class QdHelpTrigger extends LitElement { + static styles = css` + :host { + display: inline-block; + } + + .help-icon { + display: inline-flex; + align-items: center; + justify-content: center; + width: 20px; + height: 20px; + border-radius: 50%; + background: #0066cc; + color: white; + font-size: 12px; + font-weight: bold; + font-family: system-ui, -apple-system, sans-serif; + cursor: pointer; + border: none; + padding: 0; + transition: background 0.15s ease; + } + + .help-icon:hover { + background: #0052a3; + } + + .help-icon:focus { + outline: 2px solid #0066cc; + outline-offset: 2px; + } + + .help-icon:active { + background: #004080; + } + `; + + /** + * Which panel this trigger belongs to + */ + @property({ type: String }) + panelType: 'login' | 'status' | 'instructor' = 'login'; + + /** + * Handle click/activation + */ + private handleClick = () => { + this.dispatchEvent( + new CustomEvent('qd:help-open', { + detail: { panelType: this.panelType }, + bubbles: true, + composed: true, + }), + ); + }; + + render() { + return html` + + `; + } +} + +declare global { + interface HTMLElementTagNameMap { + 'qd-help-trigger': QdHelpTrigger; + } +} diff --git a/src/components/qd-instructor/qd-instructor.ts b/src/components/qd-instructor/qd-instructor.ts index a185025..962a3d2 100644 --- a/src/components/qd-instructor/qd-instructor.ts +++ b/src/components/qd-instructor/qd-instructor.ts @@ -17,6 +17,9 @@ import './qd-instructor-export.js'; import './qd-instructor-manage.js'; import '../qd-build-info.js'; import '../qd-pin-reset-dialog.js'; +import '../qd-help-trigger.js'; +import '../qd-help-popup.js'; +import { readHelpContent } from '../../config/dom-config-reader.js'; /** * Main instructor panel orchestrating all sub-components @@ -58,6 +61,9 @@ export class QdInstructor extends LitElement { @state() private showPinReset = false; + @state() + private helpOpen = false; + connectedCallback() { super.connectedCallback(); this.updateVisibility(); @@ -298,6 +304,14 @@ export class QdInstructor extends LitElement { sessionStorage.setItem('qd/instructor/showAnswers', String(this.showStudentAnswers)); }; + private handleHelpOpen = (): void => { + this.helpOpen = true; + }; + + private handleHelpClose = (): void => { + this.helpOpen = false; + }; + override render() { if (!this.unlocked) { return html` @@ -307,7 +321,11 @@ export class QdInstructor extends LitElement { return html`
      -
      Instructor Mode
      +
      + Instructor Mode + + +
      `; } diff --git a/src/components/qd-login.ts b/src/components/qd-login.ts index d19e8f7..f5bfbcd 100644 --- a/src/components/qd-login.ts +++ b/src/components/qd-login.ts @@ -37,6 +37,9 @@ import { import './qd-build-info.js'; import './qd-password-modal.js'; import './qd-confirm-dialog.js'; +import './qd-help-trigger.js'; +import './qd-help-popup.js'; +import { getHelpContent } from '../config/help-content.js'; /** * Login event data @@ -113,6 +116,12 @@ export class QdLogin extends LitElement { @state() private showPinConfirmation = false; + /** + * Whether help popup is open + */ + @state() + private helpOpen = false; + /** * Lockout countdown interval */ @@ -299,6 +308,7 @@ export class QdLogin extends LitElement { this.pin = ''; this.lockoutSeconds = 0; this.showPinConfirmation = false; + this.helpOpen = false; // Clean up lockout interval if (this.lockoutInterval) { @@ -313,7 +323,14 @@ export class QdLogin extends LitElement { render() { return html` @@ -199,6 +209,12 @@ export class QdStatus extends LitElement { + `; } @@ -293,6 +309,20 @@ export class QdStatus extends LitElement { this.updateVisibility(); }; + /** + * Handle help open event + */ + private handleHelpOpen = (): void => { + this.helpOpen = true; + }; + + /** + * Handle help close event + */ + private handleHelpClose = (): void => { + this.helpOpen = false; + }; + /** * Handle logout button click */ diff --git a/src/config/dom-config-reader.ts b/src/config/dom-config-reader.ts index df9281b..affcee4 100644 --- a/src/config/dom-config-reader.ts +++ b/src/config/dom-config-reader.ts @@ -63,6 +63,44 @@ export const CONFIG_IDS = { dbName: 'qd-db-name', } as const; +/** + * Help content configuration element IDs + */ +export const HELP_CONFIG_IDS = { + login: 'qd-help-login', + status: 'qd-help-status', + instructor: 'qd-help-instructor', +} as const; + +/** + * Default help content for each panel type + */ +const HELP_DEFAULTS: Record<'login' | 'status' | 'instructor', string> = { + login: '

      Welcome

      Enter Service ID and name to log in. Instructors: click "Instructor" for admin.

      ', + status: '

      Your Score

      Green=All correct, Amber=Some answered, Red=None answered

      ', + instructor: '

      Instructor Tools

      View Scores: See results. Export: Download CSV. Erase: Clear data.

      ', +}; + +/** + * Read help content for a specific panel type + * + * @param panelType - Which panel's help content to read ('login', 'status', 'instructor') + * @returns HTML content string from config span or default content + */ +export function readHelpContent(panelType: 'login' | 'status' | 'instructor'): string { + const elementId = HELP_CONFIG_IDS[panelType]; + const element = document.getElementById(elementId); + const content = element?.innerHTML?.trim(); + + if (content) { + info(`Help content read from #${elementId}`); + return content; + } + + info(`Using default help content for ${panelType}`); + return HELP_DEFAULTS[panelType]; +} + /** * Read a configuration value from a hidden DOM element * diff --git a/src/config/help-content.ts b/src/config/help-content.ts new file mode 100644 index 0000000..36a84d9 --- /dev/null +++ b/src/config/help-content.ts @@ -0,0 +1,59 @@ +/** + * Help Content Configuration + * + * Centralized help text for all panels. Edit this file to update help content. + * Feature: 008-user-guidance-popups + */ + +export type HelpPanelType = 'login' | 'status' | 'instructor'; + +export interface HelpContent { + title: string; + body: string; +} + +/** + * Help content for each panel type + */ +export const HELP_CONTENT: Record = { + login: { + title: 'Login Help', + body: ` +

      Welcome to BrowserTest

      +

      Enter your Service ID and name to log in as a student and track your quiz progress.

      +

      Instructors: Click the "Instructor" button to access admin features.

      + `, + }, + + status: { + title: 'Understanding Your Score', + body: ` +

      Score Indicators

      +

      Your score reflects your progress on quiz pages you have visited.

      +

      + Green = All questions answered correctly
      + Amber = Some questions answered
      + Red = No questions answered yet +

      + `, + }, + + instructor: { + title: 'Instructor Tools', + body: ` +

      Available Features

      +

      Show Student Answers: Toggle to display student responses on the current page.

      +

      View All Scores: See summary of all student results.

      +

      Reset PINs: Clear student PIN codes if they need to re-authenticate.

      +

      Export CSV: Download detailed answer data for analysis.

      +

      Erase All Data: Clear the database for a new student cohort.

      + `, + }, +}; + +/** + * Get help content for a panel type + */ +export function getHelpContent(panelType: HelpPanelType): HelpContent { + return HELP_CONTENT[panelType]; +} diff --git a/stories/components/qd-help-popup.stories.ts b/stories/components/qd-help-popup.stories.ts new file mode 100644 index 0000000..90f3972 --- /dev/null +++ b/stories/components/qd-help-popup.stories.ts @@ -0,0 +1,250 @@ +/** + * Storybook stories for qd-help-popup component + * + * Demonstrates the help popup modal with various content configurations. + * Feature: 008-user-guidance-popups + */ + +import type { Meta, StoryObj } from '@storybook/web-components'; +import { html } from 'lit'; +import '../../src/components/qd-help-popup.js'; +import '../../src/components/qd-help-trigger.js'; + +const meta: Meta = { + title: 'Components/HelpPopup', + component: 'qd-help-popup', + tags: ['autodocs'], + parameters: { + docs: { + description: { + component: ` +A modal popup that displays contextual help content. + +**Features:** +- Portal rendering to document.body for proper z-index +- Customizable title and HTML content +- Multiple close methods: Escape key, backdrop click, close button +- Focus management (focuses close button, restores on close) +- Accessible (role="dialog", aria-modal, aria-labelledby) + +**Properties:** +- \`open\`: Boolean - whether popup is visible +- \`title\`: String - popup header text (default: "Help") +- \`content\`: String - HTML content to display + +**Events:** +- \`qd:modal-close\`: Emitted when popup closes + +**Accessibility:** +- Dialog role with aria-modal="true" +- aria-labelledby points to title +- Close button has aria-label="Close" +- Focus trapped in popup while open + `, + }, + }, + }, +}; + +export default meta; +type Story = StoryObj; + +/** + * Login Help + * + * Help content for the login panel. + */ +export const LoginHelp: Story = { + render: () => html` + Welcome to BrowserTest

      Enter your Service ID and name to log in as a student and track your quiz progress.

      Instructors: Click the "Instructor" button to access admin features.

      '} + > +       + `, +}; + +/** + * Status Help + * + * Help content for the student status panel. + */ +export const StatusHelp: Story = { + render: () => html` + Understanding Your Score

      Your score reflects your progress on quiz pages you have visited.

      Green = All questions correct
      Amber = Some questions answered
      Red = No questions answered

      '} + > +       + `, +}; + +/** + * Instructor Help + * + * Help content for the instructor panel. + */ +export const InstructorHelp: Story = { + render: () => html` + Instructor Tools

      View Scores: See all student results.

      Export CSV: Download detailed answer data.

      Erase Data: Clear database for new student cohort.

      '} + > +       + `, +}; + +/** + * Custom Content + * + * Shows how HTML content is rendered. + */ +export const CustomContent: Story = { + render: () => html` + Getting Started

      This is a custom help popup with formatted content.

      • First item
      • Second item
      • Third item

      Contact: support@example.com

      '} + > +       + `, +}; + +/** + * Interactive + * + * Demonstrates opening and closing the popup with the trigger button. + */ +export const Interactive: Story = { + render: () => { + const openPopup = () => { + const popup = document.querySelector('#interactive-popup') as HTMLElement & { open: boolean }; + if (popup) { + popup.open = true; + } + }; + + const closePopup = () => { + const popup = document.querySelector('#interactive-popup') as HTMLElement & { open: boolean }; + if (popup) { + popup.open = false; + } + }; + + return html` +
      +
      + Click for Help + +
      + + Welcome to BrowserTest

      Enter your Service ID and name to log in as a student and track your quiz progress.

      Instructors: Click the "Instructor" button to access admin features.

      Contact: support@example.com

      '} + @qd:modal-close=${closePopup} + > +       + +
      +

      + Click the ? button to open the help popup. Close with Escape, backdrop click, or the × + button. +

      +
      +
      + `; + }, +}; + +/** + * All Three Panels + * + * Side-by-side comparison of all three help content types. + */ +export const AllThreePanels: Story = { + render: () => { + const openPopup = (id: string) => () => { + const popup = document.querySelector(`#${id}`) as HTMLElement & { open: boolean }; + if (popup) popup.open = true; + }; + + const closePopup = (id: string) => () => { + const popup = document.querySelector(`#${id}`) as HTMLElement & { open: boolean }; + if (popup) popup.open = false; + }; + + return html` +
      +
      +
      +
      + Login Panel + +
      +
      + +
      +
      + Status Panel + +
      +
      + +
      +
      + Instructor Panel + +
      +
      +
      + + Welcome to BrowserTest

      Enter your Service ID and name to log in as a student and track your quiz progress.

      Instructors: Click the "Instructor" button to access admin features.

      '} + @qd:modal-close=${closePopup('login-help')} + > +       + + Understanding Your Score

      Your score reflects your progress on quiz pages you have visited.

      Green = All questions correct
      Amber = Some questions answered
      Red = No questions answered

      '} + @qd:modal-close=${closePopup('status-help')} + > +       + + Instructor Tools

      View Scores: See all student results.

      Export CSV: Download detailed answer data.

      Erase Data: Clear database for new student cohort.

      '} + @qd:modal-close=${closePopup('instructor-help')} + > +       +
      + `; + }, +}; diff --git a/stories/components/qd-help-trigger.stories.ts b/stories/components/qd-help-trigger.stories.ts new file mode 100644 index 0000000..a48dad8 --- /dev/null +++ b/stories/components/qd-help-trigger.stories.ts @@ -0,0 +1,162 @@ +/** + * Storybook stories for qd-help-trigger component + * + * Demonstrates the help icon trigger button with various configurations. + * Feature: 008-user-guidance-popups + */ + +import type { Meta, StoryObj } from '@storybook/web-components'; +import { html } from 'lit'; +import '../../src/components/qd-help-trigger.js'; + +const meta: Meta = { + title: 'Components/HelpTrigger', + component: 'qd-help-trigger', + tags: ['autodocs'], + parameters: { + docs: { + description: { + component: ` +A small help icon button (?) that triggers contextual help popups. + +**Features:** +- Circular blue button with white "?" icon +- Keyboard accessible (focusable button) +- Emits qd:help-open event with panelType detail +- Three panel types: login, status, instructor + +**Properties:** +- \`panelType\`: String - which panel this trigger belongs to ('login' | 'status' | 'instructor') + +**Events:** +- \`qd:help-open\`: CustomEvent<{panelType: string}> - Emitted when button is clicked + +**Accessibility:** +- \`aria-label="Help"\` +- \`title="Help"\` +- Native button element (keyboard accessible) + `, + }, + }, + }, + argTypes: { + panelType: { + control: { type: 'select' }, + options: ['login', 'status', 'instructor'], + description: 'Which panel this trigger belongs to', + }, + }, +}; + +export default meta; +type Story = StoryObj; + +/** + * Default + * + * Basic help trigger with default login panel type. + */ +export const Default: Story = { + render: () => html` `, +}; + +/** + * Login Panel Type + * + * Help trigger for the login panel. + */ +export const LoginPanelType: Story = { + render: () => html` `, +}; + +/** + * Status Panel Type + * + * Help trigger for the student status panel. + */ +export const StatusPanelType: Story = { + render: () => html` `, +}; + +/** + * Instructor Panel Type + * + * Help trigger for the instructor panel. + */ +export const InstructorPanelType: Story = { + render: () => html` `, +}; + +/** + * Interactive + * + * Click the button to see the event emitted. + */ +export const Interactive: Story = { + render: () => { + const handleHelpOpen = (e: Event) => { + const detail = (e as CustomEvent<{ panelType: string }>).detail; + alert(`Help requested for: ${detail.panelType}`); + }; + + return html` +
      +
      +
      + +
      Login
      +
      +
      + +
      Status
      +
      +
      + +
      Instructor
      +
      +
      + +
      +

      Click any help button to see the event with its panelType.

      +
      +
      + `; + }, +}; + +/** + * In Context + * + * Shows how the help trigger looks in a typical panel header. + */ +export const InContext: Story = { + render: () => html` +
      +
      + Login + +
      + +
      + Your Progress: 75% + +
      + +
      + Instructor Tools + +
      +
      + `, +}; diff --git a/stories/components/qd-instructor/qd-instructor.stories.ts b/stories/components/qd-instructor/qd-instructor.stories.ts index ca97089..380c2bf 100644 --- a/stories/components/qd-instructor/qd-instructor.stories.ts +++ b/stories/components/qd-instructor/qd-instructor.stories.ts @@ -176,3 +176,38 @@ export const UnlockedNoData: Story = { return container; }, }; + +/** + * With Help + * + * Shows instructor panel with help trigger button for E2E testing. + */ +export const WithHelp: Story = { + render: () => { + const container = html` +
      + + +
      +

      + Click the ? button to open the help popup explaining instructor + features. +

      +
      +
      + `; + + setTimeout(() => { + const element = document.querySelector('qd-instructor') as QdInstructor; + if (element) { + element.setAttribute('data-show', ''); + element.unlock(); + element.setStudents(mockStudents); + } + }, 50); + + return container; + }, +}; diff --git a/stories/components/qd-status.stories.ts b/stories/components/qd-status.stories.ts index 9228294..fb70065 100644 --- a/stories/components/qd-status.stories.ts +++ b/stories/components/qd-status.stories.ts @@ -315,3 +315,58 @@ export const MinimalExample: Story = { return html``; }, }; + +/** + * With Help + * + * Shows status panel with help trigger button for E2E testing. + */ +export const WithHelp: Story = { + render: () => { + // Set up session data to make component visible + const sessionData = { + serviceId: 'RN2344', + name: 'John Smith', + release: 'TRV Connectors Autumn 2025', + role: 'student', + }; + sessionStorage.setItem(STORAGE_KEYS.SESSION, JSON.stringify(sessionData)); + + // Set up session cache with sample data + const cache: SessionCache = { + totals: { total: 15, answered: 15, correct: 12 }, + pages: { + 'page-1': { state: 'complete', total: 5, answered: 5, correct: 5, answers: [] }, + 'page-2': { state: 'incomplete', total: 5, answered: 5, correct: 4, answers: [] }, + 'page-3': { state: 'incomplete', total: 5, answered: 5, correct: 3, answers: [] }, + }, + }; + sessionStorage.setItem(STORAGE_KEYS.CACHE, JSON.stringify(cache)); + + setTimeout(() => { + // Force component to show by setting data-show attribute + const statusComponent = document.querySelector('qd-status'); + if (statusComponent) { + statusComponent.setAttribute('data-show', ''); + // Trigger refresh + const event = new CustomEvent('qd:state-changed'); + document.dispatchEvent(event); + } + }, 50); + + return html` +
      + + +
      +

      + Click the ? button to open the help popup explaining the scoring + system. +

      +
      +
      + `; + }, +}; diff --git a/tests/e2e/help-popups.spec.ts b/tests/e2e/help-popups.spec.ts new file mode 100644 index 0000000..e033a48 --- /dev/null +++ b/tests/e2e/help-popups.spec.ts @@ -0,0 +1,190 @@ +/** + * E2E tests for Help Popups + * + * Tests the help popup functionality on login, status, and instructor panels. + * Feature: 008-user-guidance-popups + */ + +import { test, expect } from '@playwright/test'; + +test.describe('Help Popups', () => { + test.describe('Login Panel Help', () => { + test.beforeEach(async ({ page }) => { + // Navigate to a Storybook story that shows login with help + await page.goto('http://localhost:6006/iframe.html?id=components-login--default'); + // Wait for component to be ready + await page.waitForSelector('qd-login[data-ready]', { timeout: 5000 }); + }); + + test('displays help trigger button on login panel', async ({ page }) => { + const helpTrigger = page.locator('qd-login qd-help-trigger'); + await expect(helpTrigger).toBeVisible(); + }); + + test('opens help popup when help trigger is clicked', async ({ page }) => { + const helpTrigger = page.locator('qd-login qd-help-trigger button'); + await helpTrigger.click(); + + // Help popup portal renders to body + const popup = page.locator('.qd-help-backdrop'); + await expect(popup).toBeVisible(); + }); + + test('displays login help content in popup', async ({ page }) => { + const helpTrigger = page.locator('qd-login qd-help-trigger button'); + await helpTrigger.click(); + + const title = page.locator('.qd-help-title'); + await expect(title).toBeVisible(); + + const body = page.locator('.qd-help-body'); + await expect(body).toContainText('BrowserTest'); + }); + + test('closes popup on Escape key', async ({ page }) => { + const helpTrigger = page.locator('qd-login qd-help-trigger button'); + await helpTrigger.click(); + + await expect(page.locator('.qd-help-backdrop')).toBeVisible(); + + await page.keyboard.press('Escape'); + + await expect(page.locator('.qd-help-backdrop')).not.toBeVisible(); + }); + + test('closes popup on backdrop click', async ({ page }) => { + const helpTrigger = page.locator('qd-login qd-help-trigger button'); + await helpTrigger.click(); + + await expect(page.locator('.qd-help-backdrop')).toBeVisible(); + + // Click backdrop (not the content) + await page.locator('.qd-help-backdrop').click({ position: { x: 10, y: 10 } }); + + await expect(page.locator('.qd-help-backdrop')).not.toBeVisible(); + }); + + test('closes popup on close button click', async ({ page }) => { + const helpTrigger = page.locator('qd-login qd-help-trigger button'); + await helpTrigger.click(); + + await expect(page.locator('.qd-help-backdrop')).toBeVisible(); + + await page.locator('.qd-help-close').click(); + + await expect(page.locator('.qd-help-backdrop')).not.toBeVisible(); + }); + }); + + test.describe('Status Panel Help', () => { + test.beforeEach(async ({ page }) => { + // Navigate to a Storybook story that shows status with help + await page.goto('http://localhost:6006/iframe.html?id=components-status--with-help'); + // Wait for component to be ready + await page.waitForSelector('qd-status[data-show]', { timeout: 5000 }); + }); + + test('displays help trigger button on status panel', async ({ page }) => { + const helpTrigger = page.locator('qd-status qd-help-trigger'); + await expect(helpTrigger).toBeVisible(); + }); + + test('opens help popup when help trigger is clicked', async ({ page }) => { + const helpTrigger = page.locator('qd-status qd-help-trigger button'); + await helpTrigger.click(); + + // Help popup portal renders to body + const popup = page.locator('.qd-help-backdrop'); + await expect(popup).toBeVisible(); + }); + + test('displays status help content in popup', async ({ page }) => { + const helpTrigger = page.locator('qd-status qd-help-trigger button'); + await helpTrigger.click(); + + const title = page.locator('.qd-help-title'); + await expect(title).toBeVisible(); + + const body = page.locator('.qd-help-body'); + await expect(body).toContainText('Score'); + }); + + test('closes popup on Escape key', async ({ page }) => { + const helpTrigger = page.locator('qd-status qd-help-trigger button'); + await helpTrigger.click(); + + await expect(page.locator('.qd-help-backdrop')).toBeVisible(); + + await page.keyboard.press('Escape'); + + await expect(page.locator('.qd-help-backdrop')).not.toBeVisible(); + }); + + test('closes popup on close button click', async ({ page }) => { + const helpTrigger = page.locator('qd-status qd-help-trigger button'); + await helpTrigger.click(); + + await expect(page.locator('.qd-help-backdrop')).toBeVisible(); + + await page.locator('.qd-help-close').click(); + + await expect(page.locator('.qd-help-backdrop')).not.toBeVisible(); + }); + }); + + test.describe('Instructor Panel Help', () => { + test.beforeEach(async ({ page }) => { + // Navigate to a Storybook story that shows instructor with help + await page.goto('http://localhost:6006/iframe.html?id=components-qdinstructor--with-help'); + // Wait for component to be ready and unlocked + await page.waitForSelector('qd-instructor[data-show]', { timeout: 5000 }); + }); + + test('displays help trigger button on instructor panel', async ({ page }) => { + const helpTrigger = page.locator('qd-instructor qd-help-trigger'); + await expect(helpTrigger).toBeVisible(); + }); + + test('opens help popup when help trigger is clicked', async ({ page }) => { + const helpTrigger = page.locator('qd-instructor qd-help-trigger button'); + await helpTrigger.click(); + + // Help popup portal renders to body + const popup = page.locator('.qd-help-backdrop'); + await expect(popup).toBeVisible(); + }); + + test('displays instructor help content in popup', async ({ page }) => { + const helpTrigger = page.locator('qd-instructor qd-help-trigger button'); + await helpTrigger.click(); + + const title = page.locator('.qd-help-title'); + await expect(title).toBeVisible(); + + const body = page.locator('.qd-help-body'); + await expect(body).toContainText('Instructor'); + }); + + test('closes popup on Escape key', async ({ page }) => { + const helpTrigger = page.locator('qd-instructor qd-help-trigger button'); + await helpTrigger.click(); + + await expect(page.locator('.qd-help-backdrop')).toBeVisible(); + + await page.keyboard.press('Escape'); + + await expect(page.locator('.qd-help-backdrop')).not.toBeVisible(); + }); + + test('closes popup on close button click', async ({ page }) => { + const helpTrigger = page.locator('qd-instructor qd-help-trigger button'); + await helpTrigger.click(); + + await expect(page.locator('.qd-help-backdrop')).toBeVisible(); + + await page.locator('.qd-help-close').click(); + + await expect(page.locator('.qd-help-backdrop')).not.toBeVisible(); + }); + }); +}); diff --git a/tests/unit/components/qd-help-popup.test.ts b/tests/unit/components/qd-help-popup.test.ts new file mode 100644 index 0000000..9700bfe --- /dev/null +++ b/tests/unit/components/qd-help-popup.test.ts @@ -0,0 +1,291 @@ +/** + * Tests for qd-help-popup.ts component + * + * Feature: 008-user-guidance-popups + * TDD: These tests are written FIRST, before implementation. + */ +import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'; +import type { QdHelpPopup } from '../../../src/components/qd-help-popup'; + +// Import component +import '../../../src/components/qd-help-popup.js'; + +describe('qd-help-popup', () => { + let container: HTMLElement; + let element: QdHelpPopup; + + beforeEach(() => { + container = document.createElement('div'); + document.body.appendChild(container); + }); + + afterEach(() => { + container.remove(); + // Clean up any portals + document.querySelectorAll('.qd-help-backdrop').forEach((el) => el.remove()); + }); + + async function createPopup( + options: { + open?: boolean; + title?: string; + content?: string; + } = {}, + ): Promise { + element = document.createElement('qd-help-popup'); + if (options.title) element.title = options.title; + if (options.content) element.content = options.content; + container.appendChild(element); + await element.updateComplete; + // Set open last to trigger portal creation + if (options.open) { + element.open = true; + await element.updateComplete; + // Wait for portal to be created + await new Promise((r) => setTimeout(r, 50)); + } + return element; + } + + describe('initial state', () => { + it('is hidden by default', async () => { + const el = await createPopup(); + expect(el.open).toBe(false); + const backdrop = document.querySelector('.qd-help-backdrop'); + expect(backdrop).toBeFalsy(); + }); + + it('has default title "Help"', async () => { + const el = await createPopup(); + expect(el.title).toBe('Help'); + }); + + it('has empty content by default', async () => { + const el = await createPopup(); + expect(el.content).toBe(''); + }); + }); + + describe('opening behavior', () => { + it('creates portal when opened', async () => { + await createPopup({ + open: true, + title: 'Test Help', + content: '

      Help content

      ', + }); + const backdrop = document.querySelector('.qd-help-backdrop'); + expect(backdrop).toBeTruthy(); + }); + + it('displays title in portal', async () => { + await createPopup({ + open: true, + title: 'Login Help', + content: '

      Content

      ', + }); + const title = document.querySelector('.qd-help-title'); + expect(title?.textContent).toBe('Login Help'); + }); + + it('displays content in portal', async () => { + await createPopup({ + open: true, + title: 'Test', + content: '

      This is help content

      ', + }); + const body = document.querySelector('.qd-help-body'); + expect(body?.innerHTML).toContain('This is help content'); + }); + + it('renders HTML content', async () => { + await createPopup({ + open: true, + title: 'Test', + content: '

      Title

      Bold text

      ', + }); + const body = document.querySelector('.qd-help-body'); + expect(body?.innerHTML).toContain('

      Title

      '); + expect(body?.innerHTML).toContain('Bold'); + }); + }); + + describe('closing behavior', () => { + it('closes on Escape key', async () => { + const el = await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + + const event = new KeyboardEvent('keydown', { key: 'Escape', bubbles: true }); + document.dispatchEvent(event); + await el.updateComplete; + await new Promise((r) => setTimeout(r, 50)); + + expect(el.open).toBe(false); + const backdrop = document.querySelector('.qd-help-backdrop'); + expect(backdrop).toBeFalsy(); + }); + + it('closes on backdrop click', async () => { + const el = await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + + const backdrop = document.querySelector('.qd-help-backdrop') as HTMLElement; + backdrop?.click(); + await el.updateComplete; + await new Promise((r) => setTimeout(r, 50)); + + expect(el.open).toBe(false); + }); + + it('closes on close button click', async () => { + const el = await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + + const closeBtn = document.querySelector('.qd-help-close') as HTMLElement; + closeBtn?.click(); + await el.updateComplete; + await new Promise((r) => setTimeout(r, 50)); + + expect(el.open).toBe(false); + }); + + it('does NOT close on content click', async () => { + const el = await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + + const content = document.querySelector('.qd-help-content') as HTMLElement; + content?.click(); + await el.updateComplete; + await new Promise((r) => setTimeout(r, 50)); + + expect(el.open).toBe(true); + }); + + it('emits qd:modal-close event on close', async () => { + const el = await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + const closeHandler = vi.fn(); + el.addEventListener('qd:modal-close', closeHandler); + + const closeBtn = document.querySelector('.qd-help-close') as HTMLElement; + closeBtn?.click(); + await el.updateComplete; + + expect(closeHandler).toHaveBeenCalled(); + }); + + it('removes portal on close', async () => { + const el = await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + + el.open = false; + await el.updateComplete; + await new Promise((r) => setTimeout(r, 50)); + + const backdrop = document.querySelector('.qd-help-backdrop'); + expect(backdrop).toBeFalsy(); + }); + }); + + describe('accessibility', () => { + it('has dialog role', async () => { + await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + const dialog = document.querySelector('[role="dialog"]'); + expect(dialog).toBeTruthy(); + }); + + it('has aria-modal="true"', async () => { + await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + const dialog = document.querySelector('[role="dialog"]'); + expect(dialog?.getAttribute('aria-modal')).toBe('true'); + }); + + it('has aria-labelledby pointing to title', async () => { + await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + const dialog = document.querySelector('[role="dialog"]'); + expect(dialog?.getAttribute('aria-labelledby')).toBe('qd-help-title'); + }); + + it('close button has aria-label="Close"', async () => { + await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + const closeBtn = document.querySelector('.qd-help-close'); + expect(closeBtn?.getAttribute('aria-label')).toBe('Close'); + }); + + it('focuses close button when opened', async () => { + await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + await new Promise((r) => setTimeout(r, 100)); // Wait for focus + + const closeBtn = document.querySelector('.qd-help-close'); + expect(document.activeElement).toBe(closeBtn); + }); + }); + + describe('close() method', () => { + it('provides close() method that closes popup', async () => { + const el = await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + + el.close(); + await el.updateComplete; + await new Promise((r) => setTimeout(r, 50)); + + expect(el.open).toBe(false); + }); + + it('close() method emits qd:modal-close event', async () => { + const el = await createPopup({ + open: true, + title: 'Test', + content: '

      Content

      ', + }); + const closeHandler = vi.fn(); + el.addEventListener('qd:modal-close', closeHandler); + + el.close(); + await el.updateComplete; + + expect(closeHandler).toHaveBeenCalled(); + }); + }); +}); diff --git a/tests/unit/components/qd-help-trigger.test.ts b/tests/unit/components/qd-help-trigger.test.ts new file mode 100644 index 0000000..78147c2 --- /dev/null +++ b/tests/unit/components/qd-help-trigger.test.ts @@ -0,0 +1,155 @@ +/** + * Tests for qd-help-trigger.ts component + * + * Feature: 008-user-guidance-popups + * TDD: These tests are written FIRST, before implementation. + */ +import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'; +import type { QdHelpTrigger } from '../../../src/components/qd-help-trigger'; + +// Import component +import '../../../src/components/qd-help-trigger.js'; + +describe('qd-help-trigger', () => { + let container: HTMLElement; + let element: QdHelpTrigger; + + beforeEach(() => { + container = document.createElement('div'); + document.body.appendChild(container); + }); + + afterEach(() => { + container.remove(); + }); + + async function createTrigger( + options: { + panelType?: 'login' | 'status' | 'instructor'; + } = {}, + ): Promise { + element = document.createElement('qd-help-trigger'); + if (options.panelType) element.panelType = options.panelType; + container.appendChild(element); + await element.updateComplete; + return element; + } + + describe('rendering', () => { + it('renders a button with ? icon', async () => { + const el = await createTrigger(); + const button = el.shadowRoot?.querySelector('button'); + expect(button).toBeTruthy(); + expect(button?.textContent?.trim()).toBe('?'); + }); + + it('has default panelType of login', async () => { + const el = await createTrigger(); + expect(el.panelType).toBe('login'); + }); + + it('accepts custom panelType', async () => { + const el = await createTrigger({ panelType: 'instructor' }); + expect(el.panelType).toBe('instructor'); + }); + }); + + describe('accessibility', () => { + it('button has aria-label="Help"', async () => { + const el = await createTrigger(); + const button = el.shadowRoot?.querySelector('button'); + expect(button?.getAttribute('aria-label')).toBe('Help'); + }); + + it('button has title="Help"', async () => { + const el = await createTrigger(); + const button = el.shadowRoot?.querySelector('button'); + expect(button?.getAttribute('title')).toBe('Help'); + }); + + it('button is keyboard focusable', async () => { + const el = await createTrigger(); + const button = el.shadowRoot?.querySelector('button'); + // Buttons are focusable by default + expect(button?.tagName).toBe('BUTTON'); + }); + }); + + describe('events', () => { + it('emits qd:help-open event on click', async () => { + const el = await createTrigger({ panelType: 'login' }); + const handler = vi.fn(); + el.addEventListener('qd:help-open', handler); + + const button = el.shadowRoot?.querySelector('button'); + button?.click(); + + expect(handler).toHaveBeenCalledTimes(1); + }); + + it('event detail contains panelType', async () => { + const el = await createTrigger({ panelType: 'status' }); + let eventDetail: { panelType: string } | null = null; + el.addEventListener('qd:help-open', (e: Event) => { + eventDetail = (e as CustomEvent<{ panelType: string }>).detail; + }); + + const button = el.shadowRoot?.querySelector('button'); + button?.click(); + + expect(eventDetail).toEqual({ panelType: 'status' }); + }); + + it('event bubbles and is composed', async () => { + const el = await createTrigger(); + let eventBubbles = false; + let eventComposed = false; + + el.addEventListener('qd:help-open', (e: Event) => { + eventBubbles = e.bubbles; + eventComposed = e.composed; + }); + + const button = el.shadowRoot?.querySelector('button'); + button?.click(); + + expect(eventBubbles).toBe(true); + expect(eventComposed).toBe(true); + }); + }); + + describe('panelType variations', () => { + it('works with panelType="login"', async () => { + const el = await createTrigger({ panelType: 'login' }); + let eventDetail: { panelType: string } | undefined; + el.addEventListener('qd:help-open', (e: Event) => { + eventDetail = (e as CustomEvent<{ panelType: string }>).detail; + }); + + el.shadowRoot?.querySelector('button')?.click(); + expect(eventDetail?.panelType).toBe('login'); + }); + + it('works with panelType="status"', async () => { + const el = await createTrigger({ panelType: 'status' }); + let eventDetail: { panelType: string } | undefined; + el.addEventListener('qd:help-open', (e: Event) => { + eventDetail = (e as CustomEvent<{ panelType: string }>).detail; + }); + + el.shadowRoot?.querySelector('button')?.click(); + expect(eventDetail?.panelType).toBe('status'); + }); + + it('works with panelType="instructor"', async () => { + const el = await createTrigger({ panelType: 'instructor' }); + let eventDetail: { panelType: string } | undefined; + el.addEventListener('qd:help-open', (e: Event) => { + eventDetail = (e as CustomEvent<{ panelType: string }>).detail; + }); + + el.shadowRoot?.querySelector('button')?.click(); + expect(eventDetail?.panelType).toBe('instructor'); + }); + }); +}); From d548bf826c064f92f62136dc937ac6e634feca1f Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 16:55:20 +0000 Subject: [PATCH 04/11] feat: Refactor help content handling and update E2E tests for popups --- src/components/qd-instructor/qd-instructor.ts | 6 +-- src/config/dom-config-reader.ts | 38 ------------------- src/config/help-content.ts | 27 ++----------- tests/e2e/help-popups.spec.ts | 6 +-- 4 files changed, 10 insertions(+), 67 deletions(-) diff --git a/src/components/qd-instructor/qd-instructor.ts b/src/components/qd-instructor/qd-instructor.ts index 962a3d2..d92a896 100644 --- a/src/components/qd-instructor/qd-instructor.ts +++ b/src/components/qd-instructor/qd-instructor.ts @@ -19,7 +19,7 @@ import '../qd-build-info.js'; import '../qd-pin-reset-dialog.js'; import '../qd-help-trigger.js'; import '../qd-help-popup.js'; -import { readHelpContent } from '../../config/dom-config-reader.js'; +import { getHelpContent } from '../../config/help-content.js'; /** * Main instructor panel orchestrating all sub-components @@ -361,8 +361,8 @@ export class QdInstructor extends LitElement { diff --git a/src/config/dom-config-reader.ts b/src/config/dom-config-reader.ts index affcee4..df9281b 100644 --- a/src/config/dom-config-reader.ts +++ b/src/config/dom-config-reader.ts @@ -63,44 +63,6 @@ export const CONFIG_IDS = { dbName: 'qd-db-name', } as const; -/** - * Help content configuration element IDs - */ -export const HELP_CONFIG_IDS = { - login: 'qd-help-login', - status: 'qd-help-status', - instructor: 'qd-help-instructor', -} as const; - -/** - * Default help content for each panel type - */ -const HELP_DEFAULTS: Record<'login' | 'status' | 'instructor', string> = { - login: '

      Welcome

      Enter Service ID and name to log in. Instructors: click "Instructor" for admin.

      ', - status: '

      Your Score

      Green=All correct, Amber=Some answered, Red=None answered

      ', - instructor: '

      Instructor Tools

      View Scores: See results. Export: Download CSV. Erase: Clear data.

      ', -}; - -/** - * Read help content for a specific panel type - * - * @param panelType - Which panel's help content to read ('login', 'status', 'instructor') - * @returns HTML content string from config span or default content - */ -export function readHelpContent(panelType: 'login' | 'status' | 'instructor'): string { - const elementId = HELP_CONFIG_IDS[panelType]; - const element = document.getElementById(elementId); - const content = element?.innerHTML?.trim(); - - if (content) { - info(`Help content read from #${elementId}`); - return content; - } - - info(`Using default help content for ${panelType}`); - return HELP_DEFAULTS[panelType]; -} - /** * Read a configuration value from a hidden DOM element * diff --git a/src/config/help-content.ts b/src/config/help-content.ts index 36a84d9..06c6f30 100644 --- a/src/config/help-content.ts +++ b/src/config/help-content.ts @@ -18,36 +18,17 @@ export interface HelpContent { export const HELP_CONTENT: Record = { login: { title: 'Login Help', - body: ` -

      Welcome to BrowserTest

      -

      Enter your Service ID and name to log in as a student and track your quiz progress.

      -

      Instructors: Click the "Instructor" button to access admin features.

      - `, + body: '

      Enter Service ID and name to log in. Instructors: click "Instructor" for admin.

      ', }, status: { - title: 'Understanding Your Score', - body: ` -

      Score Indicators

      -

      Your score reflects your progress on quiz pages you have visited.

      -

      - Green = All questions answered correctly
      - Amber = Some questions answered
      - Red = No questions answered yet -

      - `, + title: 'Your Score', + body: '

      Green=All correct Amber=Some answered Red=None yet

      ', }, instructor: { title: 'Instructor Tools', - body: ` -

      Available Features

      -

      Show Student Answers: Toggle to display student responses on the current page.

      -

      View All Scores: See summary of all student results.

      -

      Reset PINs: Clear student PIN codes if they need to re-authenticate.

      -

      Export CSV: Download detailed answer data for analysis.

      -

      Erase All Data: Clear the database for a new student cohort.

      - `, + body: '

      Show Answers: See responses. View Scores: Student results. Export: CSV download. Erase: Clear data.

      ', }, }; diff --git a/tests/e2e/help-popups.spec.ts b/tests/e2e/help-popups.spec.ts index e033a48..726df38 100644 --- a/tests/e2e/help-popups.spec.ts +++ b/tests/e2e/help-popups.spec.ts @@ -38,7 +38,7 @@ test.describe('Help Popups', () => { await expect(title).toBeVisible(); const body = page.locator('.qd-help-body'); - await expect(body).toContainText('BrowserTest'); + await expect(body).toContainText('Service ID'); }); test('closes popup on Escape key', async ({ page }) => { @@ -106,7 +106,7 @@ test.describe('Help Popups', () => { await expect(title).toBeVisible(); const body = page.locator('.qd-help-body'); - await expect(body).toContainText('Score'); + await expect(body).toContainText('Green'); }); test('closes popup on Escape key', async ({ page }) => { @@ -162,7 +162,7 @@ test.describe('Help Popups', () => { await expect(title).toBeVisible(); const body = page.locator('.qd-help-body'); - await expect(body).toContainText('Instructor'); + await expect(body).toContainText('Show Answers'); }); test('closes popup on Escape key', async ({ page }) => { From e5e8963c3ece5d0686d7efbfd0e240fc076f4eb7 Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 17:09:03 +0000 Subject: [PATCH 05/11] feat: Update help content for login and instructor panels, and refine label for student answers --- src/components/qd-instructor/qd-instructor.ts | 2 +- src/config/help-content.ts | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/components/qd-instructor/qd-instructor.ts b/src/components/qd-instructor/qd-instructor.ts index d92a896..f93ebb7 100644 --- a/src/components/qd-instructor/qd-instructor.ts +++ b/src/components/qd-instructor/qd-instructor.ts @@ -333,7 +333,7 @@ export class QdInstructor extends LitElement { .checked=${this.showStudentAnswers} @change=${this.handleToggleStudentAnswers} /> - Show student answers on page + Show current answers diff --git a/src/config/help-content.ts b/src/config/help-content.ts index 06c6f30..4f69d43 100644 --- a/src/config/help-content.ts +++ b/src/config/help-content.ts @@ -18,17 +18,17 @@ export interface HelpContent { export const HELP_CONTENT: Record = { login: { title: 'Login Help', - body: '

      Enter Service ID and name to log in. Instructors: click "Instructor" for admin.

      ', + body: '

      Enter Name and Service ID to log in. Provide a new PIN if this is your first visit to this release of this document, otherwise use the PIN you previously created. Your instructor is able to reset PINs. See the Feedback page for more support.

      Instructors: click "Instructor" for instructor login page (password accompanies distribution).

      ', }, status: { - title: 'Your Score', - body: '

      Green=All correct Amber=Some answered Red=None yet

      ', + title: 'Student View', + body: '

      Page color coding:

      • Green=All correct
      • Amber=Some answered
      • Red=None yet

      You can view your overall progress at attempted questions in the Test Progress panel.

      ', }, instructor: { title: 'Instructor Tools', - body: '

      Show Answers: See responses. View Scores: Student results. Export: CSV download. Erase: Clear data.

      ', + body: '

      • Show current answers: Toggle for display of student answers for the current page.
      • View All Scores: View table scores for all students.
      • Reset PIN: Reset student PINs.
      • Export CSV: CSV download of all scores/answers.
      • Erase All Data: Clear all stored student data.

      ', }, }; From eb915fefd82db2437ddaa78f8df467e5ee6912f9 Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 17:09:10 +0000 Subject: [PATCH 06/11] Refactor code structure for improved readability and maintainability --- .../template/resources/sonar-quiz.iife.js | 72 +++++++++---------- .../template/resources/sonar-quiz.iife.js.map | 2 +- 2 files changed, 37 insertions(+), 37 deletions(-) diff --git a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js index 0554a84..05357c1 100644 --- a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js +++ b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js @@ -1,4 +1,4 @@ -var SonarQuiz=function(t){"use strict";function n(t){if(t.length<2)return"**";if(2===t.length)return t;return t.slice(0,2)+"*".repeat(t.length-2)}function s(t){if(null===t||"object"!=typeof t)return t;const o={};for(const[r,a]of Object.entries(t))"name"!==r&&"passwordHash"!==r&&(o[r]="serviceId"!==r||"string"!=typeof a?"object"!=typeof a||null===a?a:s(a):n(a));return o}function o(t,n){void 0!==n?console.log(`[INFO] ${t}`,s(n)):console.log(`[INFO] ${t}`)}function r(t,n){if(n instanceof Error){const s={name:n.name,message:n.message};console.error(`[ERROR] ${t}`,s)}else void 0!==n?console.error(`[ERROR] ${t}`,s(n)):console.error(`[ERROR] ${t}`)}function a(t,n){void 0!==n?console.warn(`[WARN] ${t}`,s(n)):console.warn(`[WARN] ${t}`)}function d(t){const n=[],s=[];if(!t.classList.contains("qd-quiz"))return n.push('Table must have class "qd-quiz"'),{element:t,questions:s,errors:n};const o=Array.from(t.querySelectorAll("tbody tr"));return 0===o.length?(n.push("Quiz table has no data rows"),{element:t,questions:s,errors:n}):(o.forEach((t,o)=>{const r=Array.from(t.querySelectorAll("td"));if(3!==r.length)return void n.push(`Row ${o+1} has ${r.length} columns, expected 3 (Question | Answer | Detail)`);const a=r[0],d=r[1],c=r[2];if(!a||!d||!c)return;const l=a.textContent?.trim()||"";if(!l)return void n.push(`Row ${o+1} has empty question text`);const u=d.textContent?.trim()||"";if(!u)return void n.push(`Row ${o+1} has empty answer`);const h=c.querySelector("ol");if(h){const t=(p=h,Array.from(p.querySelectorAll("li")).map(t=>t.textContent?.trim()||"").filter(t=>t.length>0));if(0===t.length)return void n.push(`Row ${o+1} MCQ has no options in
        `);s.push({text:l,kind:"mcq",correctAnswer:u,options:t})}else{const t=c.textContent?.trim()||"",r=parseFloat(t);if(isNaN(r))return void n.push(`Row ${o+1} appears to be numeric but has invalid tolerance: "${t}"`);s.push({text:l,kind:"numeric",correctAnswer:u,tolerance:r})}var p}),{element:t,questions:s,errors:n.length>0?n:void 0})}function c(t,n){if(!n||""===n.trim())return!1;const s=n.trim();if("mcq"===t.kind)return s===t.correctAnswer;{const n=parseFloat(s),o=parseFloat(t.correctAnswer);if(isNaN(n)||isNaN(o))return!1;const r=t.tolerance??0;return Math.abs(n-o)<=r}}const l=18e5,u={SESSION:"qd/session",CACHE:"qd/state",INSTRUCTOR:"qd/instructor",PIN_ATTEMPTS:"qd:pin-attempts"},h=3,p=3e4;class SessionService{createSession(t,n,s){const r=new Date,a=r.toISOString(),d={serviceId:t,name:n,release:s,loginTime:a,lastActivity:a,expiresAt:new Date(r.getTime()+l).toISOString(),instructorUnlocked:!1};return this.saveSession(d),o(`Session created for ${t} (${n})`),this.emitEvent("qd:login",{serviceId:t,name:n,release:s,loginTime:a}),d}getSession(){try{const t=sessionStorage.getItem(u.SESSION);if(!t)return null;const n=JSON.parse(t);return n.serviceId&&n.release&&n.expiresAt?n:(a("Invalid session data, missing required fields"),null)}catch(t){return r("Failed to parse session data",t),null}}updateActivity(){const t=this.getSession();if(!t)return;const n=new Date;t.lastActivity=n.toISOString(),t.expiresAt=new Date(n.getTime()+l).toISOString(),this.saveSession(t)}isExpired(){const t=this.getSession();return!t||function(t,n=new Date){const s=new Date(t);return!!isNaN(s.getTime())||n>=s}(t.expiresAt)}clearSession(){const t=this.getSession();sessionStorage.removeItem(u.SESSION),sessionStorage.removeItem(u.CACHE),sessionStorage.removeItem(u.INSTRUCTOR),sessionStorage.removeItem("qd/instructor/showAnswers"),t&&(o(`Session cleared for ${t.serviceId}`),this.emitEvent("qd:logout",{serviceId:t.serviceId,timestamp:(new Date).toISOString()}))}unlockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!0,t.unlockTime=(new Date).toISOString(),this.saveSession(t),o("Instructor mode unlocked"),this.emitEvent("qd:instructor-unlock",{timestamp:t.unlockTime}))}lockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!1,delete t.unlockTime,this.saveSession(t),o("Instructor mode locked"),this.emitEvent("qd:instructor-lock",{timestamp:(new Date).toISOString()}))}isInstructorUnlocked(){const t=this.getSession();return!0===t?.instructorUnlocked}getCache(){try{const t=sessionStorage.getItem(u.CACHE);return t?JSON.parse(t):null}catch(t){return r("Failed to parse cache data",t),null}}saveCache(t){try{sessionStorage.setItem(u.CACHE,JSON.stringify(t))}catch(n){r("Failed to save cache",n)}}clearCache(){sessionStorage.removeItem(u.CACHE)}saveSession(t){try{sessionStorage.setItem(u.SESSION,JSON.stringify(t))}catch(n){r("Failed to save session",n)}}emitEvent(t,n){try{const s=new CustomEvent(t,{detail:n,bubbles:!0});document.dispatchEvent(s)}catch(s){r(`Failed to emit event ${t}`,s)}}}function m(t,n){const s=n.answers.length,o=n.answers.filter(t=>""!==t.answer.trim()).length,r=n.answers.filter(t=>t.success).length;return{state:n.state,total:s,answered:o,correct:r,last:n.lastAttempted,answers:n.answers,analysis:n.analysis}}function g(t){return function(t,n="display"){if(null==t)return console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date";const s="string"==typeof t?new Date(t):t;return isNaN(s.getTime())?(console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date"):"csv"===n?function(t){return t.toISOString()}(s):function(t){return`${t.toLocaleDateString("en-US",{month:"short"})} ${t.getDate()} ${t.getHours().toString().padStart(2,"0")}:${t.getMinutes().toString().padStart(2,"0")}`}(s)}(t,"display")}class Debouncer{constructor(){this.timers=new Map}debounce(t,n,s=200){const o=this.timers.get(t);void 0!==o&&clearTimeout(o);const r=setTimeout(()=>{this.timers.delete(t),n()},s);this.timers.set(t,r)}cancel(t){const n=this.timers.get(t);return void 0!==n&&(clearTimeout(n),this.timers.delete(t),!0)}cancelAll(){let t=0;for(const n of this.timers.values())clearTimeout(n),t++;return this.timers.clear(),t}isPending(t){return this.timers.has(t)}getPendingCount(){return this.timers.size}}function f(t){const n=t.querySelector("tbody");return n?Array.from(n.querySelectorAll("tr")):[]}function b(t){return Array.from(t.cells)}function v(t){return t&&t.textContent?.trim()||""}function y(t,n,s){return document.createElement(t)}function w(t,...n){t.classList.add(...n)}function S(t,...n){t.classList.remove(...n)}function x(t,n,s){const o=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0,cancelable:!1});return document.dispatchEvent(o)}function E(t,n,s,o){const r=new CustomEvent(n,{detail:s,bubbles:!0,composed:!0,cancelable:!1});return t.dispatchEvent(r)}function $(t){try{const n=sessionStorage.getItem(t);return n?JSON.parse(n):null}catch(n){return a(`Failed to parse JSON from sessionStorage key: ${t}`,n),null}}function C(t,n){try{const s=JSON.stringify(n);return sessionStorage.setItem(t,s),!0}catch(s){return a(`Failed to store JSON in sessionStorage key: ${t}`,s),!1}}function q(){const t=[];for(let n=0;n{let s,o=!1;const d=()=>{s&&(clearTimeout(s),s=void 0)};s=window.setTimeout(()=>{if(o)return;o=!0,this.initPromise=null,a("IndexedDB open timed out after 5000ms - attempting recovery");const s=indexedDB.deleteDatabase(this.dbName);s.onsuccess=()=>{this.init().then(t).catch(n)},s.onerror=()=>{n(new StorageError(`Database "${this.dbName}" appears corrupted. Please clear site data in browser settings.`,"init"))},s.onblocked=()=>{n(new StorageError("Cannot recover database - close all other tabs with this site and reload.","init"))}},5e3);const c=indexedDB.open(this.dbName,3);c.onerror=()=>{o||(o=!0,d(),r(`IndexedDB open error: ${c.error?.message||"unknown"}`),this.initPromise=null,n(new StorageError("Failed to open database","init",c.error)))},c.onblocked=()=>{a("IndexedDB open blocked - close other tabs with this database")},c.onsuccess=()=>{if(!o){if(o=!0,d(),this.db=c.result,!this.db.objectStoreNames.contains(T)||!this.db.objectStoreNames.contains(O)||!this.db.objectStoreNames.contains(P)){a(`Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(", ")}]`),this.db.close(),this.db=null;const s=indexedDB.deleteDatabase(this.dbName);return s.onsuccess=()=>{this.initPromise=null,this.init().then(t).catch(n)},void(s.onerror=()=>{this.initPromise=null,n(new StorageError("Failed to delete corrupted database","init",s.error))})}this.initPromise=null,t()}},c.onupgradeneeded=t=>{const n=t.target.result,s=t.target.transaction;s&&(s.onerror=()=>{r(`Upgrade transaction error: ${s.error?.message||"unknown"}`)},s.onabort=()=>{r(`Upgrade transaction aborted: ${s.error?.message||"unknown"}`)});try{if(!n.objectStoreNames.contains(T)){const t=n.createObjectStore(T,{keyPath:null});t.createIndex("by-release","release",{unique:!1}),t.createIndex("by-service-id","serviceId",{unique:!1})}if(!n.objectStoreNames.contains(O)){const 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dbName is required for first getStorageService() call");B=new StorageService(t),F=t}return B}const Q=Object.freeze(Object.defineProperty({__proto__:null,StorageService:StorageService,getStorageService:V},Symbol.toStringTag,{value:"Module"})),K=new WeakMap;function W(t,n){const s=K.get(t);let l;if(s){if(s.interactive||!n.interactive)return o("Quiz table already enhanced, skipping"),!0;o("Upgrading quiz table from non-interactive to interactive mode"),l=s.parsed}else l=d(t),l.errors&&l.errors.length>0&&r("Quiz table has validation errors:",l.errors);const h={parsed:l,interactive:n.interactive,pageId:n.pageId};if(n.interactive){if(!n.pageId)return r("Interactive mode requires pageId option"),!1;o(`Preparing interactive enhancement for pageId: ${n.pageId}`),h.debouncer=new Debouncer,h.inputs=[]}if(K.set(t,h),n.interactive){const n=function(t,n){const{parsed:s,pageId:d,debouncer:l}=n;if(!d||!l)return r("Interactive mode requires pageId and debouncer"),!1;(function(t){const n=t.querySelectorAll("thead th, thead td");n[1]&&S(n[1],"qd-hidden");const s=t.querySelectorAll("tbody tr");s.forEach(t=>{const n=t.querySelectorAll("td");n[1]&&S(n[1],"qd-hidden")})})(t),G(t);if(!$(u.SESSION))return r("No active session found"),!1;let h=$(u.CACHE);h?o(`Cache loaded: ${h.totals.total} total questions, ${Object.keys(h.pages).length} pages`):(o("No cache found, creating empty cache"),h={totals:{total:0,answered:0,correct:0},pages:{}});const p=s.questions.length;h=function(t,n,s){const o=t.pages[n];if(o&&o.total>=s)return t;const r=s-(o?.total||0),a={state:o?.state||"unstarted",total:s,answered:o?.answered||0,correct:o?.correct||0,last:o?.last,answers:o?.answers,analysis:o?.analysis};return{totals:{total:t.totals.total+r,answered:t.totals.answered,correct:t.totals.correct},pages:{...t.pages,[n]:a}}}(h,d,p),C(u.CACHE,h);const m=h?.pages[d],g=m?.answers||[];o(`Page ${d}: ${g.length} existing answers, state: ${m?.state||"none"}`);const f=t.querySelector("tbody");if(!f)return r("Quiz table has no tbody element"),!1;const b=Array.from(f.querySelectorAll("tr")),v=[];s.questions.forEach((s,d)=>{const l=b[d];if(!l)return;const h=Array.from(l.querySelectorAll("td"));if(3!==h.length)return;const p=h[0],m=h[1];if(!p||!m)return;const f=g[d];f&&f.answer&&o(`Q${d+1}: Pre-filling with "${f.answer}" (${f.success?"correct":"incorrect"})`);const w=function(t,n){const s=function(t,n){if("mcq"===t.kind){const s=(t.options||[]).map((t,n)=>({value:String(n+1),text:`${n+1}. ${t}`}));return{type:"select",className:"qd-quiz-input",placeholder:"Select an answer...",value:n?.answer||"",options:s}}return{type:"text",className:"qd-quiz-input",placeholder:"Enter value",value:n?.answer||""}}(t,n);if("select"===s.type){const t=y("select");t.className=s.className;const n=y("option");return n.value="",n.textContent=s.placeholder,n.disabled=!0,t.appendChild(n),s.options&&s.options.forEach(n=>{const 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document.addEventListener("qd:logout",O),n.cleanupInstructorListeners=()=>{document.removeEventListener("qd:instructor-show-answers",E),document.removeEventListener("qd:instructor-hide-answers",q),document.removeEventListener("qd:logout",O)},w(t,"qd-quiz-interactive"),o(`Quiz table enhanced in interactive mode for page ${d}`),!0}(t,h);return n?o(`Interactive enhancement succeeded for table with ${l.questions.length} questions`):r("Interactive enhancement failed"),n}return function(t){return function(t){const n=t.querySelector("colgroup");n&&n.remove()}(t),Y(t),G(t),w(t,"qd-quiz-non-interactive"),o("Quiz table enhanced in non-interactive mode"),!0}(t)}function J(t,n){S(t,"qd-answer-correct","qd-answer-incorrect"),w(t,n?"qd-answer-correct":"qd-answer-incorrect")}function Y(t){const n=t.querySelectorAll("thead th, thead td");n[1]&&w(n[1],"qd-hidden");t.querySelectorAll("tbody tr").forEach(t=>{const n=t.querySelectorAll("td");n[1]&&(w(n[1],"qd-hidden"),n[1].textContent="")})}function G(t){const n=t.querySelectorAll("thead th, thead td");n[2]&&w(n[2],"qd-hidden");t.querySelectorAll("tbody tr").forEach(t=>{const n=t.querySelectorAll("td");n[2]&&w(n[2],"qd-hidden")})}function Z(t){return K.get(t)}async function X(t,n){const{pageId:s,parsed:a}=n;if(!s)return;const d=$(u.SESSION);if(!d)return;const{getStorageService:c}=await Promise.resolve().then(()=>Q),l=c();try{const n=await l.getStudentsByRelease(d.release);if(0===n.length)return o("No student data available for this release"),void alert("No student data available for this release. Students need to log in and answer questions first.");const r=t.querySelector("tbody");if(!r)return;const c=Array.from(r.querySelectorAll("tr"));a.questions.forEach((t,o)=>{const r=c[o];if(!r)return;const a=Array.from(r.querySelectorAll("td"))[1];if(!a)return;const d=a.querySelector(".qd-student-answers");d&&d.remove();const l=function(t,n,s){const o=[];for(const r of t){const t=r.pages[n];if(!t||!t.answers)continue;const a=t.answers[s];a&&o.push({name:r.name,maskedServiceId:r.serviceId.slice(-4),answer:a.answer,success:a.success,formattedTimestamp:g(a.timestamp),cssClass:a.success?"qd-correct":"qd-incorrect"})}return o}(n,s,o);if(l.length>0){const t=document.createElement("div");t.className="qd-student-answers",l.forEach(n=>{const s=document.createElement("div");s.className=`qd-student-answer ${n.cssClass}`,s.innerHTML=`\n ${n.name} (${n.maskedServiceId}):\n ${n.answer}\n ${n.formattedTimestamp}\n `,t.appendChild(s)}),a.appendChild(t)}}),o(`Displayed student answers for ${n.length} 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h=$(u.CACHE),p=h?.pages[d],m=p?.analysis,g=m?.cells||{},y=f(t);return s.editableCells.forEach(({row:t,col:s,key:d})=>{const c=y[t];if(!c)return;const h=b(c)[s];h&&(oe(h)?(l.set(h,d),g[d]&&(h.textContent=g[d]),h.contentEditable="true",w(h,"qd-editable"),h.addEventListener("input",()=>{!function(t,n,s){const{debouncer:d,pageId:c}=t;if(!d||!c)return;const l=v(n);d.debounce(`save-cell-${s}`,()=>{!async function(t,n,s){const{pageId:d,parsed:c}=t;if(!d)return;const l=$(u.SESSION);if(!l)return void r("No active session found");const h=V();let p;try{p=await h.loadStudentRecord(l)}catch(v){return void a("Failed to load student record, analysis not saved",v)}const m=p.pages[d]||{answers:[],state:"unstarted"},g=m.analysis||{tableId:c.tableId,cells:{}};g.cells[n]=s;const f=(new Date).toISOString();g.firstEdited||(g.firstEdited=f);g.lastEdited=f,m.analysis=g,p.pages[d]=m,p.updated=f;try{await h.saveStudentRecord(p)}catch(v){a("Failed to save student record to IndexedDB",v)}const b=h.buildCache(p);C(u.CACHE,b),x("qd:analysis-saved",{pageId:d,tableId:c.tableId,cellKey:n,content:s}),o(`Analysis cell saved for ${n} on page ${d}`)}(t,s,l)},500)}(n,h,d)})):r(`Cell at R${t}C${s} is no longer editable`))}),w(t,"qd-analysis-interactive"),o(`Analysis table enhanced in interactive mode for page ${d}`),!0}(t,d):function(t){w(t,"qd-analysis-non-interactive");const n=()=>{!async function(t){const n=ie.get(t);if(!n)return void a("Cannot show student entries: table not enhanced");const s=n.pageId||function(){const t=document.body.dataset.pageId;if(t)return t;const n=window.location.pathname,s=(n.split("/").pop()||"").replace(".html","");return s||void 0}();if(!s)return void a("Cannot show student entries: page ID not found");const d=$(u.SESSION);if(!d)return void a("Cannot show student entries: no active session");const c=V();let l;try{l=await c.getStudentsByRelease(d.release)}catch(v){return void r("Failed to load students for instructor view:",v)}const h=function(t,n){const s={};return t.forEach(t=>{const o=t.pages[n];if(!o||!o.analysis)return;const{cells:r}=o.analysis,a=o.analysis.lastEdited||t.updated;Object.entries(r).forEach(([n,o])=>{s[n]||(s[n]=[]),s[n].push({serviceId:t.serviceId,name:t.name,content:o,timestamp:a})})}),s}(l,s),{editableCells:p}=n.parsed,m=f(t);p.forEach(({row:t,col:n,key:s})=>{const o=m[t];if(!o)return;const r=b(o)[n];if(!r)return;const a=function(t){const n=document.createElement("div");if(n.className="qd-student-entries",0===t.length)return n.className+=" qd-no-entries",n.textContent="(No entries yet)",n.style.cssText="color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;",n;const s=function(t){return[...t].sort((t,n)=>{const s=new Date(t.timestamp).getTime();return new Date(n.timestamp).getTime()-s})}(t);return s.forEach(t=>{const s=document.createElement("div");s.className="qd-entry",s.style.cssText="padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;";const o=t.serviceId.slice(-4),r=g(t.timestamp),a=document.createElement("span");a.style.cssText="font-weight: 600; color: #374151;",a.textContent=`${t.name} (${o}) • ${r}: `;const d=document.createElement("span");d.style.cssText="white-space: pre-wrap;",d.textContent=t.content,s.appendChild(a),s.appendChild(d),n.appendChild(s)}),n.style.cssText="margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;",n}(h[s]||[]);a.setAttribute("data-qd-student-entries","true");const d=r.querySelector("[data-qd-student-entries]");d&&d.remove(),r.appendChild(a)}),o(`Displayed student entries for ${p.length} cells`)}(t)},s=()=>{de(t)};return document.addEventListener("qd:instructor-show-answers",n),document.addEventListener("qd:instructor-hide-answers",s),o("Analysis table enhanced in non-interactive mode with instructor view support"),!0}(t)}function de(t){t.querySelectorAll("[data-qd-student-entries]").forEach(t=>t.remove()),o("Hidden student entries from analysis table")}class EventCoordinator{constructor(){this.listeners=new Map}initialize(){this.registerLoginHandlers(),this.registerLogoutHandlers(),this.registerAnswerHandlers(),this.registerStateHandlers(),this.registerInstructorHandlers(),this.registerDataHandlers(),o("Event coordinator initialized")}registerLoginHandlers(){this.addEventListener("qd:login",t=>{(async()=>{const n=t.detail;if(o(`Login event: ${n.serviceId} (${n.name})`),"INSTRUCTOR"===n.serviceId)return void o("Instructor login - skipping student record handling");const s=$(u.SESSION);if(!s)return void o("No session found in storage, skipping cache rebuild");const r=V();let a,d;try{a=await r.loadStudentRecord(s),await r.saveStudentRecord(a),d=r.buildCache(a),C(u.CACHE,d),o(`Cache built from IndexedDB: ${d.totals.total} total questions`)}catch{o("Failed to load from IndexedDB, initializing empty cache");C(u.CACHE,{totals:{total:0,answered:0,correct:0},pages:{}})}this.dispatchEvent("qd:cache-rebuild",{}),this.upgradeTablesAfterLogin()})()})}upgradeTablesAfterLogin(){const t=window.location.pathname,n=t.substring(t.lastIndexOf("/")+1).replace(/\.html?$/i,"");if(!n)return void o("No pageId found, skipping table upgrade to interactive mode");if("true"===sessionStorage.getItem(u.INSTRUCTOR)){o("Instructor session detected, tables remain in non-interactive mode with answers visible");return void document.querySelectorAll("table.qd-quiz").forEach(t=>{const s=Z(t);if(!s)return;s.pageId=n;t.querySelectorAll("td:nth-child(2), th:nth-child(2)").forEach(t=>{t.classList.remove("qd-hidden")});t.querySelectorAll("tbody td:nth-child(2)").forEach((t,n)=>{const o=s.parsed.questions[n];o&&t instanceof HTMLTableCellElement&&(t.textContent=o.correctAnswer)});t.querySelectorAll("td:nth-child(3), th:nth-child(3)").forEach(t=>t.classList.remove("qd-hidden"));const o=()=>{X(t,s)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",()=>{ee(t)});"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}const s=document.querySelectorAll("table.qd-quiz");s.length>0&&(o(`Upgrading ${s.length} quiz table(s) to interactive mode...`),s.forEach(t=>{W(t,{interactive:!0,pageId:n})}));const r=document.querySelectorAll("table.qd-analysis");r.length>0&&(o(`Upgrading ${r.length} analysis table(s) to interactive mode...`),r.forEach(t=>{ae(t,{interactive:!0,pageId:n})}))}registerLogoutHandlers(){this.addEventListener("qd:logout",t=>{o(`Logout event: ${t.detail.serviceId}`);document.querySelectorAll("table.qd-quiz").forEach(t=>{!function(t){const n=K.get(t);n&&(n.interactive=!1,n.pageId=void 0,n.inputs=void 0,n.cleanupInstructorListeners?.(),n.cleanupInstructorListeners=void 0,Y(t),G(t),S(t,"qd-quiz-interactive"),o("Quiz table reset to non-interactive mode"))}(t)});document.querySelectorAll("table.qd-analysis").forEach(t=>{!function(t){const n=ie.get(t);n&&(de(t),n.interactive&&(t.querySelectorAll(".qd-editable").forEach(t=>{t instanceof HTMLTableCellElement&&(t.contentEditable="false",t.classList.remove("qd-editable"),t.textContent="")}),t.classList.remove("qd-analysis-interactive"),n.debouncer?.cancelAll()),n.interactive=!1,n.pageId=void 0,n.debouncer=void 0,n.cellKeyMap=void 0,o("Reset analysis table to non-interactive mode"))}(t)}),this.dispatchEvent("qd:cache-clear",{})})}registerAnswerHandlers(){this.addEventListener("qd:answer-saved",t=>{const n=t.detail;o(`Answer saved: ${n.pageId} Q${n.questionIndex} = ${n.answer} (${n.success?"correct":"incorrect"})`),this.dispatchEvent("qd:cache-update",{pageId:n.pageId})})}registerStateHandlers(){this.addEventListener("qd:state-changed",t=>{const n=t.detail;o(`State changed: ${n.pageId} → ${n.state}`),this.dispatchEvent("qd:badge-update",{pageId:n.pageId,state:n.state})})}registerInstructorHandlers(){this.addEventListener("qd:instructor-unlock",t=>{o(`Instructor mode unlocked at ${t.detail.unlockTime}`)}),this.addEventListener("qd:instructor-lock",()=>{o("Instructor mode locked")})}registerDataHandlers(){this.addEventListener("qd:data-cleared",t=>{o(`All data cleared at ${t.detail.timestamp}`),this.dispatchEvent("qd:cache-clear",{})})}addEventListener(t,n){document.addEventListener(t,n);const s=this.listeners.get(t)||[];s.push(n),this.listeners.set(t,s)}dispatchEvent(t,n){const s=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0});document.dispatchEvent(s)}cleanup(){for(const[t,n]of this.listeners)for(const s of n)document.removeEventListener(t,s);this.listeners.clear(),o("Event coordinator cleaned up")}}class SessionCoordinator{constructor(){this.sessionService=new SessionService}initialize(){const t=this.sessionService.getSession();if(t){if(o(`Existing session loaded 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0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId)}getSessionService(){return this.sessionService}} +var SonarQuiz=function(t){"use strict";function n(t){if(t.length<2)return"**";if(2===t.length)return t;return t.slice(0,2)+"*".repeat(t.length-2)}function s(t){if(null===t||"object"!=typeof t)return t;const o={};for(const[r,a]of Object.entries(t))"name"!==r&&"passwordHash"!==r&&(o[r]="serviceId"!==r||"string"!=typeof a?"object"!=typeof a||null===a?a:s(a):n(a));return o}function o(t,n){void 0!==n?console.log(`[INFO] ${t}`,s(n)):console.log(`[INFO] ${t}`)}function r(t,n){if(n instanceof Error){const s={name:n.name,message:n.message};console.error(`[ERROR] ${t}`,s)}else void 0!==n?console.error(`[ERROR] ${t}`,s(n)):console.error(`[ERROR] ${t}`)}function a(t,n){void 0!==n?console.warn(`[WARN] ${t}`,s(n)):console.warn(`[WARN] ${t}`)}function d(t){const n=[],s=[];if(!t.classList.contains("qd-quiz"))return n.push('Table must have class 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(${n})`),this.emitEvent("qd:login",{serviceId:t,name:n,release:s,loginTime:a}),d}getSession(){try{const t=sessionStorage.getItem(u.SESSION);if(!t)return null;const n=JSON.parse(t);return n.serviceId&&n.release&&n.expiresAt?n:(a("Invalid session data, missing required fields"),null)}catch(t){return r("Failed to parse session data",t),null}}updateActivity(){const t=this.getSession();if(!t)return;const n=new Date;t.lastActivity=n.toISOString(),t.expiresAt=new Date(n.getTime()+l).toISOString(),this.saveSession(t)}isExpired(){const t=this.getSession();return!t||function(t,n=new Date){const s=new Date(t);return!!isNaN(s.getTime())||n>=s}(t.expiresAt)}clearSession(){const t=this.getSession();sessionStorage.removeItem(u.SESSION),sessionStorage.removeItem(u.CACHE),sessionStorage.removeItem(u.INSTRUCTOR),sessionStorage.removeItem("qd/instructor/showAnswers"),t&&(o(`Session cleared for ${t.serviceId}`),this.emitEvent("qd:logout",{serviceId:t.serviceId,timestamp:(new Date).toISOString()}))}unlockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!0,t.unlockTime=(new Date).toISOString(),this.saveSession(t),o("Instructor mode unlocked"),this.emitEvent("qd:instructor-unlock",{timestamp:t.unlockTime}))}lockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!1,delete t.unlockTime,this.saveSession(t),o("Instructor mode locked"),this.emitEvent("qd:instructor-lock",{timestamp:(new Date).toISOString()}))}isInstructorUnlocked(){const t=this.getSession();return!0===t?.instructorUnlocked}getCache(){try{const t=sessionStorage.getItem(u.CACHE);return t?JSON.parse(t):null}catch(t){return r("Failed to parse cache data",t),null}}saveCache(t){try{sessionStorage.setItem(u.CACHE,JSON.stringify(t))}catch(n){r("Failed to save cache",n)}}clearCache(){sessionStorage.removeItem(u.CACHE)}saveSession(t){try{sessionStorage.setItem(u.SESSION,JSON.stringify(t))}catch(n){r("Failed to save session",n)}}emitEvent(t,n){try{const s=new CustomEvent(t,{detail:n,bubbles:!0});document.dispatchEvent(s)}catch(s){r(`Failed to emit event ${t}`,s)}}}function m(t,n){const s=n.answers.length,o=n.answers.filter(t=>""!==t.answer.trim()).length,r=n.answers.filter(t=>t.success).length;return{state:n.state,total:s,answered:o,correct:r,last:n.lastAttempted,answers:n.answers,analysis:n.analysis}}function g(t){return function(t,n="display"){if(null==t)return console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date";const s="string"==typeof t?new Date(t):t;return isNaN(s.getTime())?(console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date"):"csv"===n?function(t){return t.toISOString()}(s):function(t){return`${t.toLocaleDateString("en-US",{month:"short"})} ${t.getDate()} ${t.getHours().toString().padStart(2,"0")}:${t.getMinutes().toString().padStart(2,"0")}`}(s)}(t,"display")}class Debouncer{constructor(){this.timers=new Map}debounce(t,n,s=200){const o=this.timers.get(t);void 0!==o&&clearTimeout(o);const r=setTimeout(()=>{this.timers.delete(t),n()},s);this.timers.set(t,r)}cancel(t){const n=this.timers.get(t);return void 0!==n&&(clearTimeout(n),this.timers.delete(t),!0)}cancelAll(){let t=0;for(const n of this.timers.values())clearTimeout(n),t++;return this.timers.clear(),t}isPending(t){return this.timers.has(t)}getPendingCount(){return this.timers.size}}function f(t){const n=t.querySelector("tbody");return n?Array.from(n.querySelectorAll("tr")):[]}function b(t){return Array.from(t.cells)}function v(t){return t&&t.textContent?.trim()||""}function y(t,n,s){return document.createElement(t)}function w(t,...n){t.classList.add(...n)}function S(t,...n){t.classList.remove(...n)}function x(t,n,s){const o=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0,cancelable:!1});return document.dispatchEvent(o)}function E(t,n,s,o){const r=new CustomEvent(n,{detail:s,bubbles:!0,composed:!0,cancelable:!1});return t.dispatchEvent(r)}function $(t){try{const n=sessionStorage.getItem(t);return n?JSON.parse(n):null}catch(n){return a(`Failed to parse JSON from sessionStorage key: ${t}`,n),null}}function C(t,n){try{const s=JSON.stringify(n);return sessionStorage.setItem(t,s),!0}catch(s){return a(`Failed to store JSON in sessionStorage key: ${t}`,s),!1}}function q(){const t=[];for(let n=0;n{let s,o=!1;const d=()=>{s&&(clearTimeout(s),s=void 0)};s=window.setTimeout(()=>{if(o)return;o=!0,this.initPromise=null,a("IndexedDB open timed out after 5000ms - attempting recovery");const s=indexedDB.deleteDatabase(this.dbName);s.onsuccess=()=>{this.init().then(t).catch(n)},s.onerror=()=>{n(new StorageError(`Database "${this.dbName}" appears corrupted. Please clear site data in browser settings.`,"init"))},s.onblocked=()=>{n(new StorageError("Cannot recover database - close all other tabs with this site and reload.","init"))}},5e3);const c=indexedDB.open(this.dbName,3);c.onerror=()=>{o||(o=!0,d(),r(`IndexedDB open error: ${c.error?.message||"unknown"}`),this.initPromise=null,n(new StorageError("Failed to open database","init",c.error)))},c.onblocked=()=>{a("IndexedDB open blocked - close other tabs with this database")},c.onsuccess=()=>{if(!o){if(o=!0,d(),this.db=c.result,!this.db.objectStoreNames.contains(T)||!this.db.objectStoreNames.contains(P)||!this.db.objectStoreNames.contains(O)){a(`Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(", ")}]`),this.db.close(),this.db=null;const s=indexedDB.deleteDatabase(this.dbName);return s.onsuccess=()=>{this.initPromise=null,this.init().then(t).catch(n)},void(s.onerror=()=>{this.initPromise=null,n(new StorageError("Failed to delete corrupted database","init",s.error))})}this.initPromise=null,t()}},c.onupgradeneeded=t=>{const n=t.target.result,s=t.target.transaction;s&&(s.onerror=()=>{r(`Upgrade transaction error: ${s.error?.message||"unknown"}`)},s.onabort=()=>{r(`Upgrade transaction aborted: ${s.error?.message||"unknown"}`)});try{if(!n.objectStoreNames.contains(T)){const t=n.createObjectStore(T,{keyPath:null});t.createIndex("by-release","release",{unique:!1}),t.createIndex("by-service-id","serviceId",{unique:!1})}if(!n.objectStoreNames.contains(P)){const t=n.createObjectStore(P,{keyPath:null});t.createIndex("by-original-key","originalKey",{unique:!1}),t.createIndex("by-timestamp","timestamp",{unique:!1})}if(!n.objectStoreNames.contains(O)){const t=n.createObjectStore(O,{keyPath:"eventId"});t.createIndex("by-service-id","serviceId",{unique:!1}),t.createIndex("by-reset-at","resetAt",{unique:!1})}}catch(o){throw r("Error during database upgrade",o),o}}}),this.initPromise)}ensureInitialized(){if(!this.db)throw new StorageNotInitializedError("ensureInitialized");return this.db}async getStudent(t,n){const s=this.ensureInitialized(),o=A(t,n);return new Promise((t,n)=>{try{const r=s.transaction(T,"readonly"),a=r.objectStore(T).get(o);a.onsuccess=()=>{t(a.result||null)},a.onerror=()=>{n(new StorageError("Failed to get student record","getStudent",a.error))}}catch(r){n(new StorageError("Failed to get student record","getStudent",r))}})}async saveStudent(t){const n=this.ensureInitialized(),s=A(t.release,t.serviceId);return new 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o=t.transaction([T,P,O],"readwrite"),r=o.objectStore(T),a=o.objectStore(P),d=o.objectStore(O),c=r.clear(),l=a.clear(),u=d.clear();let h=!1,p=!1,m=!1;c.onsuccess=()=>{h=!0,p&&m&&n()},l.onsuccess=()=>{p=!0,h&&m&&n()},u.onsuccess=()=>{m=!0,h&&p&&n()},c.onerror=()=>{s(new StorageError("Failed to clear students","clearAll",c.error))},l.onerror=()=>{s(new StorageError("Failed to clear backups","clearAll",l.error))},u.onerror=()=>{s(new StorageError("Failed to clear audit log","clearAll",u.error))},o.onerror=()=>{s(new StorageError("Transaction failed during clearAll","clearAll",o.error))}}catch(o){s(new StorageError("Failed to clear all data","clearAll",o))}})}async backup(t){const n=this.ensureInitialized(),s=(new Date).toISOString(),o=`backup_${s}_${t.serviceId}`,r=A(t.release,t.serviceId),a={...t,originalKey:r,timestamp:s};return new Promise((t,s)=>{try{const r=n.transaction(P,"readwrite"),d=r.objectStore(P).put(a,o);d.onsuccess=()=>{t()},d.onerror=()=>{"QuotaExceededError"===d.error?.name?s(new StorageQuotaError("backup")):s(new StorageError("Failed to create backup","backup",d.error))},r.onerror=()=>{s(new StorageError("Transaction failed during backup","backup",r.error))}}catch(r){s(new StorageError("Failed to create backup","backup",r))}})}async saveAuditEvent(t){const n=this.ensureInitialized();return new Promise((s,o)=>{try{const r=n.transaction(O,"readwrite"),a=r.objectStore(O).add(t);a.onsuccess=()=>{s()},a.onerror=()=>{o(new StorageError("Failed to save audit event","saveAuditEvent",a.error))}}catch(r){o(new StorageError("Failed to save audit event","saveAuditEvent",r))}})}close(){this.db&&(this.db.close(),this.db=null,this.initPromise=null)}}let _=null,D=null;function U(t){if(!t)throw new Error("FATAL: dbName is required for getStorageAdapter()");return _&&D!==t&&(_.close(),_=null),_||(_=new IndexedDBStorageAdapter(t),D=t),_}function j(t,n){return 0===n||function(t){return 0===t.length}(t)?"unstarted":function(t,n){if(t.length!==n)return!1;return t.every(t=>!0===t.success)}(t,n)?"complete":"incomplete"}class StorageService{constructor(t){if(!t)throw new Error("FATAL: dbName is required for StorageService");this.dbName=t,this.adapter=U(t)}async init(){try{await this.adapter.init(),o(`Storage service initialized (IndexedDB "${this.dbName}" ready)`)}catch(t){throw r("Failed to initialize storage service",t),t}}async loadStudentRecord(t){try{const n=await this.adapter.getStudent(t.release,t.serviceId);if(n)return o(`Loaded student record for ${t.serviceId} from IndexedDB`),n;const s={schema:1,docId:t.release,release:t.release,serviceId:t.serviceId,name:t.name,attempted:0,correct:0,updated:(new Date).toISOString(),pages:{}};return o(`Created new student record for ${t.serviceId}`),s}catch(n){a(`IndexedDB error, creating new record: 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a.firstAttempted||(a.firstAttempted=d),a.lastAttempted=d,a.state=j(a.answers,r),{...t,pages:{...t.pages,[n]:a}}}buildCache(t){return function(t){const n={totals:{total:0,answered:0,correct:0},pages:{}};for(const[s,o]of Object.entries(t.pages)){const t=m(0,o);n.pages[s]=t,n.totals.total+=t.total,n.totals.answered+=t.answered,n.totals.correct+=t.correct}return n}(t)}async getStudentsByRelease(t){try{return await this.adapter.getStudentsByRelease(t)}catch(n){throw r("Failed to get students by release",n),n}}async clearAll(){try{await this.adapter.clearAll(),o("Cleared all data from IndexedDB")}catch(t){throw r("Failed to clear all data",t),t}}async backup(t){try{await this.adapter.backup(t),o(`Created backup for ${t.serviceId}`)}catch(n){a(`Failed to create backup for ${t.serviceId}`,n)}}}let F=null,B=null;function V(t){if(F&&!t)return F;if(F&&t&&B!==t)return a(`Storage service already initialized with dbName="${B}", ignoring new dbName="${t}"`),F;if(!F){if(!t)throw new Error("FATAL: dbName is required for first getStorageService() call");F=new StorageService(t),B=t}return F}const Q=Object.freeze(Object.defineProperty({__proto__:null,StorageService:StorageService,getStorageService:V},Symbol.toStringTag,{value:"Module"})),K=new WeakMap;function W(t,n){const s=K.get(t);let l;if(s){if(s.interactive||!n.interactive)return o("Quiz table already enhanced, skipping"),!0;o("Upgrading quiz table from non-interactive to interactive mode"),l=s.parsed}else l=d(t),l.errors&&l.errors.length>0&&r("Quiz table has validation errors:",l.errors);const h={parsed:l,interactive:n.interactive,pageId:n.pageId};if(n.interactive){if(!n.pageId)return r("Interactive mode requires pageId option"),!1;o(`Preparing interactive enhancement for pageId: ${n.pageId}`),h.debouncer=new Debouncer,h.inputs=[]}if(K.set(t,h),n.interactive){const n=function(t,n){const{parsed:s,pageId:d,debouncer:l}=n;if(!d||!l)return r("Interactive mode requires pageId and debouncer"),!1;(function(t){const n=t.querySelectorAll("thead th, thead td");n[1]&&S(n[1],"qd-hidden");const s=t.querySelectorAll("tbody tr");s.forEach(t=>{const n=t.querySelectorAll("td");n[1]&&S(n[1],"qd-hidden")})})(t),G(t);if(!$(u.SESSION))return r("No active session found"),!1;let h=$(u.CACHE);h?o(`Cache loaded: ${h.totals.total} total questions, ${Object.keys(h.pages).length} pages`):(o("No cache found, creating empty cache"),h={totals:{total:0,answered:0,correct:0},pages:{}});const p=s.questions.length;h=function(t,n,s){const o=t.pages[n];if(o&&o.total>=s)return t;const r=s-(o?.total||0),a={state:o?.state||"unstarted",total:s,answered:o?.answered||0,correct:o?.correct||0,last:o?.last,answers:o?.answers,analysis:o?.analysis};return{totals:{total:t.totals.total+r,answered:t.totals.answered,correct:t.totals.correct},pages:{...t.pages,[n]:a}}}(h,d,p),C(u.CACHE,h);const m=h?.pages[d],g=m?.answers||[];o(`Page ${d}: ${g.length} existing answers, state: ${m?.state||"none"}`);const f=t.querySelector("tbody");if(!f)return r("Quiz table has no tbody element"),!1;const b=Array.from(f.querySelectorAll("tr")),v=[];s.questions.forEach((s,d)=>{const l=b[d];if(!l)return;const h=Array.from(l.querySelectorAll("td"));if(3!==h.length)return;const p=h[0],m=h[1];if(!p||!m)return;const f=g[d];f&&f.answer&&o(`Q${d+1}: Pre-filling with "${f.answer}" (${f.success?"correct":"incorrect"})`);const w=function(t,n){const s=function(t,n){if("mcq"===t.kind){const s=(t.options||[]).map((t,n)=>({value:String(n+1),text:`${n+1}. ${t}`}));return{type:"select",className:"qd-quiz-input",placeholder:"Select an answer...",value:n?.answer||"",options:s}}return{type:"text",className:"qd-quiz-input",placeholder:"Enter value",value:n?.answer||""}}(t,n);if("select"===s.type){const t=y("select");t.className=s.className;const n=y("option");return n.value="",n.textContent=s.placeholder,n.disabled=!0,t.appendChild(n),s.options&&s.options.forEach(n=>{const s=y("option");s.value=n.value,s.textContent=n.text,t.appendChild(s)}),t.value=s.value,t}{const t=y("input");return t.type=s.type,t.className=s.className,t.placeholder=s.placeholder,t.value=s.value,t}}(s,f);v.push(w),m.textContent="",m.appendChild(w),f&&J(m,f.success);const S="SELECT"===w.tagName?"change":"input";w.addEventListener(S,()=>{!function(t,n,s,d){const{debouncer:l,pageId:h,parsed:p}=n;if(!l||!h)return;const m=p.questions[s];if(!m)return;l.debounce(`save-answer-${s}`,()=>{!async function(t,n,s,d){const{pageId:l,parsed:h,inputs:p}=n;if(!l||!p)return;const m=h.questions[s];if(!m)return;const g=$(u.SESSION);if(!g)return void r("No active session found");const f=c(m,d),b={answer:d.trim(),success:f,timestamp:(new Date).toISOString()},v=V();let y;try{y=await v.loadStudentRecord(g)}catch(T){return void a("Failed to load student record, answer not saved",T)}const w=h.questions.length,S=v.updateRecordWithAnswer(y,l,s,b,w);try{await v.saveStudentRecord(S)}catch(T){a("Failed to save student record to IndexedDB",T)}const E=v.buildCache(S);C(u.CACHE,E);const q=t.querySelector(`tbody tr:nth-child(${s+1})`);if(q){const t=q.querySelector("td:nth-child(2)");t&&J(t,f)}x("qd:answer-saved",{pageId:l,answer:b});const A=S.pages[l];A&&x("qd:state-changed",{pageId:l,state:A.state});o(`Answer saved for question ${s+1} on page ${l}: ${f?"correct":"incorrect"}`)}(t,n,s,d)},200)}(t,n,d,w.value)})}),n.inputs=v;const E=()=>{X(t,n)},q=()=>{ee(t)};document.addEventListener("qd:instructor-show-answers",E),document.addEventListener("qd:instructor-hide-answers",q);const A="true"===sessionStorage.getItem(u.INSTRUCTOR),T="true"===sessionStorage.getItem("qd/instructor/showAnswers");A&&T&&X(t,n);const P=()=>{t.querySelectorAll("td.qd-answer-correct, td.qd-answer-incorrect").forEach(t=>{S(t,"qd-answer-correct","qd-answer-incorrect")}),ee(t),o("Cleared student UI state from quiz table on logout")};return document.addEventListener("qd:logout",P),n.cleanupInstructorListeners=()=>{document.removeEventListener("qd:instructor-show-answers",E),document.removeEventListener("qd:instructor-hide-answers",q),document.removeEventListener("qd:logout",P)},w(t,"qd-quiz-interactive"),o(`Quiz table enhanced in interactive mode for page ${d}`),!0}(t,h);return n?o(`Interactive enhancement succeeded for table with ${l.questions.length} questions`):r("Interactive enhancement failed"),n}return function(t){return function(t){const n=t.querySelector("colgroup");n&&n.remove()}(t),Y(t),G(t),w(t,"qd-quiz-non-interactive"),o("Quiz table enhanced in non-interactive mode"),!0}(t)}function J(t,n){S(t,"qd-answer-correct","qd-answer-incorrect"),w(t,n?"qd-answer-correct":"qd-answer-incorrect")}function Y(t){const n=t.querySelectorAll("thead th, thead td");n[1]&&w(n[1],"qd-hidden");t.querySelectorAll("tbody tr").forEach(t=>{const n=t.querySelectorAll("td");n[1]&&(w(n[1],"qd-hidden"),n[1].textContent="")})}function G(t){const n=t.querySelectorAll("thead th, thead td");n[2]&&w(n[2],"qd-hidden");t.querySelectorAll("tbody tr").forEach(t=>{const n=t.querySelectorAll("td");n[2]&&w(n[2],"qd-hidden")})}function Z(t){return K.get(t)}async function X(t,n){const{pageId:s,parsed:a}=n;if(!s)return;const d=$(u.SESSION);if(!d)return;const{getStorageService:c}=await Promise.resolve().then(()=>Q),l=c();try{const n=await l.getStudentsByRelease(d.release);if(0===n.length)return o("No student data available for this release"),void alert("No student data available for this release. Students need to log in and answer questions first.");const r=t.querySelector("tbody");if(!r)return;const c=Array.from(r.querySelectorAll("tr"));a.questions.forEach((t,o)=>{const r=c[o];if(!r)return;const a=Array.from(r.querySelectorAll("td"))[1];if(!a)return;const d=a.querySelector(".qd-student-answers");d&&d.remove();const l=function(t,n,s){const o=[];for(const r of t){const t=r.pages[n];if(!t||!t.answers)continue;const a=t.answers[s];a&&o.push({name:r.name,maskedServiceId:r.serviceId.slice(-4),answer:a.answer,success:a.success,formattedTimestamp:g(a.timestamp),cssClass:a.success?"qd-correct":"qd-incorrect"})}return o}(n,s,o);if(l.length>0){const t=document.createElement("div");t.className="qd-student-answers",l.forEach(n=>{const s=document.createElement("div");s.className=`qd-student-answer ${n.cssClass}`,s.innerHTML=`\n ${n.name} (${n.maskedServiceId}):\n ${n.answer}\n ${n.formattedTimestamp}\n `,t.appendChild(s)}),a.appendChild(t)}}),o(`Displayed student answers for ${n.length} students on page ${s}`)}catch(h){r("Failed to load student answers",h)}}function ee(t){t.querySelectorAll(".qd-student-answers").forEach(t=>t.remove()),o("Hid student answers from quiz table")}function te(t,n=16){let s=5381;for(let r=0;r{b(t).forEach((t,s)=>{if(oe(t)){const o=v(t),a=se(n,s,o);r.push({row:n,col:s,key:a})}})}),{element:t,tableId:o,editableCells:r,errors:n.length>0?n:void 0}}const ie=new WeakMap;function ae(t,n){const s=re(t);s.errors&&s.errors.length>0&&r("Analysis table has validation errors:",s.errors);const d={parsed:s,interactive:n.interactive,pageId:n.pageId};if(n.interactive){if(!n.pageId)return r("Interactive mode requires pageId option"),!1;d.debouncer=new Debouncer,d.cellKeyMap=new Map}return ie.set(t,d),n.interactive?function(t,n){const{parsed:s,pageId:d,debouncer:c,cellKeyMap:l}=n;if(!d||!c||!l)return r("Interactive mode requires pageId, debouncer, and cellKeyMap"),!1;if(!$(u.SESSION))return r("No active session found"),!1;const h=$(u.CACHE),p=h?.pages[d],m=p?.analysis,g=m?.cells||{},y=f(t);return s.editableCells.forEach(({row:t,col:s,key:d})=>{const c=y[t];if(!c)return;const h=b(c)[s];h&&(oe(h)?(l.set(h,d),g[d]&&(h.textContent=g[d]),h.contentEditable="true",w(h,"qd-editable"),h.addEventListener("input",()=>{!function(t,n,s){const{debouncer:d,pageId:c}=t;if(!d||!c)return;const l=v(n);d.debounce(`save-cell-${s}`,()=>{!async function(t,n,s){const{pageId:d,parsed:c}=t;if(!d)return;const l=$(u.SESSION);if(!l)return void r("No active session found");const h=V();let p;try{p=await h.loadStudentRecord(l)}catch(v){return void a("Failed to load student record, analysis not saved",v)}const m=p.pages[d]||{answers:[],state:"unstarted"},g=m.analysis||{tableId:c.tableId,cells:{}};g.cells[n]=s;const f=(new Date).toISOString();g.firstEdited||(g.firstEdited=f);g.lastEdited=f,m.analysis=g,p.pages[d]=m,p.updated=f;try{await h.saveStudentRecord(p)}catch(v){a("Failed to save student record to IndexedDB",v)}const 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EventCoordinator{constructor(){this.listeners=new Map}initialize(){this.registerLoginHandlers(),this.registerLogoutHandlers(),this.registerAnswerHandlers(),this.registerStateHandlers(),this.registerInstructorHandlers(),this.registerDataHandlers(),o("Event coordinator initialized")}registerLoginHandlers(){this.addEventListener("qd:login",t=>{(async()=>{const n=t.detail;if(o(`Login event: ${n.serviceId} (${n.name})`),"INSTRUCTOR"===n.serviceId)return void o("Instructor login - skipping student record handling");const s=$(u.SESSION);if(!s)return void o("No session found in storage, skipping cache rebuild");const r=V();let a,d;try{a=await r.loadStudentRecord(s),await r.saveStudentRecord(a),d=r.buildCache(a),C(u.CACHE,d),o(`Cache built from IndexedDB: ${d.totals.total} total questions`)}catch{o("Failed to load from IndexedDB, initializing empty 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0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId)}getSessionService(){return this.sessionService}} /** * @license * Copyright 2019 Google LLC @@ -14,7 +14,7 @@ var SonarQuiz=function(t){"use strict";function n(t){if(t.length<2)return"**";if * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause */ -const Oe=globalThis,Pe=Oe.trustedTypes,Ne=Pe?Pe.createPolicy("lit-html",{createHTML:t=>t}):void 0,_e="$lit$",Le=`lit$${Math.random().toFixed(9).slice(2)}$`,De="?"+Le,ze=`<${De}>`,Re=document,Me=()=>Re.createComment(""),He=t=>null===t||"object"!=typeof t&&"function"!=typeof t,Ue=Array.isArray,je="[ \t\n\f\r]",Be=/<(?:(!--|\/[^a-zA-Z])|(\/?[a-zA-Z][^>\s]*)|(\/?$))/g,Fe=/-->/g,Ve=/>/g,Qe=RegExp(`>|${je}(?:([^\\s"'>=/]+)(${je}*=${je}*(?:[^ \t\n\f\r"'\`<>=]|("|')|))|$)`,"g"),Ke=/'/g,We=/"/g,Je=/^(?:script|style|textarea|title)$/i,Ye=(tt=1,(t,...n)=>({_$litType$:tt,strings:t,values:n})),Ge=Symbol.for("lit-noChange"),Ze=Symbol.for("lit-nothing"),Xe=new 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At=Object.getOwnPropertyDescriptor;let kt=class extends at{render(){return Ye` i - `}};Pt.styles=me` + `}};kt.styles=me` :host { display: inline-block; position: relative; @@ -119,7 +119,7 @@ const ct=t=>(n,s)=>{void 0!==s?s.addInitializer(()=>{customElements.define(t,n)} display: block; line-height: 1.4; } - `,Pt=((t,n,s,o)=>{for(var r,a=o>1?void 0:o?Ot(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=r(a)||a);return a})([ct("qd-build-info")],Pt);var Nt=Object.defineProperty,_t=Object.getOwnPropertyDescriptor,Lt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?_t(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Nt(n,s,a),a};let Dt=null;let zt=class extends at{constructor(){super(...arguments),this.open=!1,this.closable=!0,this.previouslyFocused=null,this.portalElement=null,this.cloneMap=new Map,this.childObserver=null,this.handleKeyDown=t=>{"Escape"===t.key&&this.open&&this.closable&&(this.emitCloseEvent(),this.close())},this.handleBackdropClick=()=>{this.closable&&(this.emitCloseEvent(),this.close())},this.stopPropagation=t=>{t.stopPropagation()}}connectedCallback(){super.connectedCallback(),document.addEventListener("keydown",this.handleKeyDown),this.ensureStyles(),this.childObserver=new MutationObserver(()=>{this.open&&this.portalElement&&this.createPortal()}),this.childObserver.observe(this,{childList:!0,subtree:!0,characterData:!0})}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("keydown",this.handleKeyDown),this.removePortal(),this.childObserver?.disconnect(),this.childObserver=null,Dt===this&&(Dt=null)}updated(t){t.has("open")&&(this.open?this.handleOpen():this.handleClose())}ensureStyles(){zt.styleElement||(zt.styleElement=document.createElement("style"),zt.styleElement.textContent="\n .qd-modal-backdrop {\n position: fixed;\n 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n=t.cloneNode(!0);this.cloneMap.set(t,n),s.appendChild(n)}}),t.appendChild(n),t.appendChild(s),this.portalElement.appendChild(t),document.body.appendChild(this.portalElement),this.setupFormEventForwarding(s)}setupFormEventForwarding(t){t.querySelectorAll("form").forEach(t=>{t.addEventListener("submit",n=>{n.preventDefault();const s=new FormData(t),o={};s.forEach((t,n)=>{"string"==typeof t&&(o[n]=t)});const r=t.querySelector('input[type="password"]');r&&(o.password=r.value);const a=new CustomEvent("qd:password-submit",{detail:o,bubbles:!0,composed:!0});this.dispatchEvent(a)})})}removePortal(){this.portalElement&&(this.portalElement.remove(),this.portalElement=null)}render(){return 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t=document.createElement("div");t.className="qd-modal-content",t.setAttribute("role","dialog"),t.setAttribute("aria-modal","true"),t.addEventListener("click",this.stopPropagation);const n=document.createElement("div");n.className="qd-modal-header";const s=document.createElement("div");s.className="qd-modal-body";const o=this.querySelector('[slot="header"]');o&&n.appendChild(o.cloneNode(!0)),Array.from(this.children).forEach(t=>{if(!t.hasAttribute("slot")||"header"!==t.getAttribute("slot")){const n=t.cloneNode(!0);this.cloneMap.set(t,n),s.appendChild(n)}}),t.appendChild(n),t.appendChild(s),this.portalElement.appendChild(t),document.body.appendChild(this.portalElement),this.setupFormEventForwarding(s)}setupFormEventForwarding(t){t.querySelectorAll("form").forEach(t=>{t.addEventListener("submit",n=>{n.preventDefault();const s=new FormData(t),o={};s.forEach((t,n)=>{"string"==typeof t&&(o[n]=t)});const r=t.querySelector('input[type="password"]');r&&(o.password=r.value);const a=new 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          +
          ${Ut(this.message)}
           - `}};Wt.styles=me` + `}};Vt.styles=me` :host { display: contents; } @@ -326,7 +326,7 @@ const Bt=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ .confirm-btn.destructive:hover { background: #b71c1c; } - `,Kt([ht({type:Boolean,reflect:!0})],Wt.prototype,"open",2),Kt([ht({type:String})],Wt.prototype,"title",2),Kt([ht({type:String})],Wt.prototype,"message",2),Kt([ht({type:String})],Wt.prototype,"confirmText",2),Kt([ht({type:String})],Wt.prototype,"cancelText",2),Kt([ht({type:Boolean})],Wt.prototype,"destructive",2),Wt=Kt([ct("qd-confirm-dialog")],Wt);var Jt=Object.defineProperty,Yt=Object.getOwnPropertyDescriptor,Gt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Yt(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Jt(n,s,a),a};let Zt=class extends at{constructor(){super(...arguments),this.panelType="login",this.handleClick=()=>{this.dispatchEvent(new CustomEvent("qd:help-open",{detail:{panelType:this.panelType},bubbles:!0,composed:!0}))}}render(){return Ye` + `,Bt([ht({type:Boolean,reflect:!0})],Vt.prototype,"open",2),Bt([ht({type:String})],Vt.prototype,"title",2),Bt([ht({type:String})],Vt.prototype,"message",2),Bt([ht({type:String})],Vt.prototype,"confirmText",2),Bt([ht({type:String})],Vt.prototype,"cancelText",2),Bt([ht({type:Boolean})],Vt.prototype,"destructive",2),Vt=Bt([ct("qd-confirm-dialog")],Vt);var Qt=Object.defineProperty,Kt=Object.getOwnPropertyDescriptor,Wt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Kt(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Qt(n,s,a),a};let Jt=class extends at{constructor(){super(...arguments),this.panelType="login",this.handleClick=()=>{this.dispatchEvent(new CustomEvent("qd:help-open",{detail:{panelType:this.panelType},bubbles:!0,composed:!0}))}}render(){return Ye` - `}};Zt.styles=me` + `}};Jt.styles=me` :host { display: inline-block; } @@ -370,7 +370,7 @@ const Bt=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ .help-icon:active { background: #004080; } - `,Gt([ht({type:String})],Zt.prototype,"panelType",2),Zt=Gt([ct("qd-help-trigger")],Zt);var Xt=Object.defineProperty,en=Object.getOwnPropertyDescriptor,tn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?en(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Xt(n,s,a),a};let nn=class extends at{constructor(){super(...arguments),this.portalElement=null,this.previouslyFocused=null,this.open=!1,this.title="Help",this.content="",this._isOpen=!1,this.handleKeyDown=t=>{"Escape"===t.key&&this._isOpen&&this.close()},this.handleBackdropClick=()=>{this.close()},this.handleCloseClick=()=>{this.close()},this.stopPropagation=t=>{t.stopPropagation()}}connectedCallback(){super.connectedCallback(),document.addEventListener("keydown",this.handleKeyDown),this.ensureStyles()}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("keydown",this.handleKeyDown),this.removePortal()}updated(t){t.has("open")&&(this.open&&!this._isOpen?this.handleOpen():!this.open&&this._isOpen&&this.handleClose())}ensureStyles(){nn.styleElement||(nn.styleElement=document.createElement("style"),nn.styleElement.textContent="\n.qd-help-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:99999;font-family:system-ui,-apple-system,sans-serif}\n.qd-help-content{background:#fff;border-radius:8px;box-shadow:0 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strong{color:#333}",document.head.appendChild(nn.styleElement))}createPortal(){this.removePortal(),this.portalElement=document.createElement("div"),this.portalElement.className="qd-help-backdrop",this.portalElement.addEventListener("click",this.handleBackdropClick);const t=document.createElement("div");t.className="qd-help-content",t.setAttribute("role","dialog"),t.setAttribute("aria-modal","true"),t.setAttribute("aria-labelledby","qd-help-title"),t.addEventListener("click",this.stopPropagation);const n=document.createElement("div");n.className="qd-help-header";const s=document.createElement("h2");s.className="qd-help-title",s.id="qd-help-title",s.textContent=this.title;const o=document.createElement("button");o.className="qd-help-close",o.setAttribute("aria-label","Close"),o.innerHTML="×",o.addEventListener("click",this.handleCloseClick),n.appendChild(s),n.appendChild(o);const r=document.createElement("div");r.className="qd-help-body",r.innerHTML=this.content,t.appendChild(n),t.appendChild(r),this.portalElement.appendChild(t),document.body.appendChild(this.portalElement),requestAnimationFrame(()=>{o.focus()})}removePortal(){this.portalElement&&(this.portalElement.remove(),this.portalElement=null)}handleOpen(){this._isOpen=!0,this.previouslyFocused=document.activeElement,this.createPortal()}handleClose(){this._isOpen=!1,this.removePortal(),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}close(){this.open=!1,this.dispatchEvent(new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0}))}render(){return Ze}};nn.styleElement=null,tn([ht({type:Boolean,reflect:!0})],nn.prototype,"open",2),tn([ht({type:String})],nn.prototype,"title",2),tn([ht({type:String})],nn.prototype,"content",2),tn([pt()],nn.prototype,"_isOpen",2),nn=tn([ct("qd-help-popup")],nn);var sn=Object.defineProperty,on=Object.getOwnPropertyDescriptor,rn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?on(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&sn(n,s,a),a};let an=class extends at{constructor(){super(...arguments),this.title="Sonar Quiz System",this.name="",this.serviceId="",this.showInstructorModal=!1,this.instructorError="",this.errorMessage="",this.isSubmitting=!1,this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval=null,this.handleLogoutEvent=()=>{this.name="",this.serviceId="",this.errorMessage="",this.isSubmitting=!1,this.showInstructorModal=!1,this.instructorError="",this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null),this.updateVisibility()},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1},this.handleInstructorPasswordSubmit=t=>{this.handleInstructorLogin(t.detail.password)},this.handleInstructorModalClose=()=>{this.showInstructorModal=!1,this.instructorError=""},this.handlePinConfirmationDismiss=()=>{this.showPinConfirmation=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility(),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:logout",this.handleLogoutEvent),this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null)}firstUpdated(){this.setAttribute("data-ready","")}updateVisibility(){$(u.SESSION)?this.removeAttribute("data-show"):this.setAttribute("data-show","")}render(){return Ye` + `,Wt([ht({type:String})],Jt.prototype,"panelType",2),Jt=Wt([ct("qd-help-trigger")],Jt);var Yt=Object.defineProperty,Gt=Object.getOwnPropertyDescriptor,Zt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Gt(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Yt(n,s,a),a};let Xt=class extends at{constructor(){super(...arguments),this.portalElement=null,this.previouslyFocused=null,this.open=!1,this.title="Help",this.content="",this._isOpen=!1,this.handleKeyDown=t=>{"Escape"===t.key&&this._isOpen&&this.close()},this.handleBackdropClick=()=>{this.close()},this.handleCloseClick=()=>{this.close()},this.stopPropagation=t=>{t.stopPropagation()}}connectedCallback(){super.connectedCallback(),document.addEventListener("keydown",this.handleKeyDown),this.ensureStyles()}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("keydown",this.handleKeyDown),this.removePortal()}updated(t){t.has("open")&&(this.open&&!this._isOpen?this.handleOpen():!this.open&&this._isOpen&&this.handleClose())}ensureStyles(){Xt.styleElement||(Xt.styleElement=document.createElement("style"),Xt.styleElement.textContent="\n.qd-help-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:99999;font-family:system-ui,-apple-system,sans-serif}\n.qd-help-content{background:#fff;border-radius:8px;box-shadow:0 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strong{color:#333}",document.head.appendChild(Xt.styleElement))}createPortal(){this.removePortal(),this.portalElement=document.createElement("div"),this.portalElement.className="qd-help-backdrop",this.portalElement.addEventListener("click",this.handleBackdropClick);const t=document.createElement("div");t.className="qd-help-content",t.setAttribute("role","dialog"),t.setAttribute("aria-modal","true"),t.setAttribute("aria-labelledby","qd-help-title"),t.addEventListener("click",this.stopPropagation);const n=document.createElement("div");n.className="qd-help-header";const s=document.createElement("h2");s.className="qd-help-title",s.id="qd-help-title",s.textContent=this.title;const o=document.createElement("button");o.className="qd-help-close",o.setAttribute("aria-label","Close"),o.innerHTML="×",o.addEventListener("click",this.handleCloseClick),n.appendChild(s),n.appendChild(o);const r=document.createElement("div");r.className="qd-help-body",r.innerHTML=this.content,t.appendChild(n),t.appendChild(r),this.portalElement.appendChild(t),document.body.appendChild(this.portalElement),requestAnimationFrame(()=>{o.focus()})}removePortal(){this.portalElement&&(this.portalElement.remove(),this.portalElement=null)}handleOpen(){this._isOpen=!0,this.previouslyFocused=document.activeElement,this.createPortal()}handleClose(){this._isOpen=!1,this.removePortal(),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}close(){this.open=!1,this.dispatchEvent(new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0}))}render(){return Ze}};Xt.styleElement=null,Zt([ht({type:Boolean,reflect:!0})],Xt.prototype,"open",2),Zt([ht({type:String})],Xt.prototype,"title",2),Zt([ht({type:String})],Xt.prototype,"content",2),Zt([pt()],Xt.prototype,"_isOpen",2),Xt=Zt([ct("qd-help-popup")],Xt);const en={login:{title:"Login Help",body:'

          Enter Name and Service ID to log in. Provide a new PIN if this is your first visit to this release of this document, otherwise use the PIN you previously created. Your instructor is able to reset PINs. See the Feedback page for more support.

          Instructors: click "Instructor" for instructor login page (password accompanies distribution).

          '},status:{title:"Student View",body:'

          Page color coding:

          • Green=All correct
          • Amber=Some answered
          • Red=None yet

          You can view your overall progress at attempted questions in the Test Progress panel.

          '},instructor:{title:"Instructor Tools",body:"

          • Show current answers: Toggle for display of student answers for the current page.
          • View All Scores: View table scores for all students.
          • Reset PIN: Reset student PINs.
          • Export CSV: CSV download of all scores/answers.
          • Erase All Data: Clear all stored student data.

          "}};function tn(t){return en[t]}var nn=Object.defineProperty,sn=Object.getOwnPropertyDescriptor,on=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?sn(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&nn(n,s,a),a};let rn=class extends at{constructor(){super(...arguments),this.title="Sonar Quiz System",this.name="",this.serviceId="",this.showInstructorModal=!1,this.instructorError="",this.errorMessage="",this.isSubmitting=!1,this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval=null,this.handleLogoutEvent=()=>{this.name="",this.serviceId="",this.errorMessage="",this.isSubmitting=!1,this.showInstructorModal=!1,this.instructorError="",this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null),this.updateVisibility()},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1},this.handleInstructorPasswordSubmit=t=>{this.handleInstructorLogin(t.detail.password)},this.handleInstructorModalClose=()=>{this.showInstructorModal=!1,this.instructorError=""},this.handlePinConfirmationDismiss=()=>{this.showPinConfirmation=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility(),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:logout",this.handleLogoutEvent),this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null)}firstUpdated(){this.setAttribute("data-ready","")}updateVisibility(){$(u.SESSION)?this.removeAttribute("data-show"):this.setAttribute("data-show","")}render(){return Ye` \n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-manage': QdInstructorManage;\n }\n}\n","/**\n * PIN Reset Dialog Component\n *\n * Modal dialog for instructors to reset student PINs.\n * Shows student list with search and reset confirmation.\n * Uses qd-modal base for consistent modal behavior.\n *\n * @element qd-pin-reset-dialog\n * @fires {CustomEvent<{serviceId: string}>} qd:pin-reset - Emitted when PIN is reset\n * @fires {CustomEvent} close - Emitted when dialog is closed\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\nimport type { StudentRecord, PinResetEvent } from '../types/contracts.js';\nimport { getStorageAdapter } from '../services/storage/indexeddb.js';\nimport { resetPin } from '../services/storage/migration.js';\nimport { CONFIG_IDS } from '../config/dom-config-reader.js';\nimport './qd-modal.js';\nimport './qd-confirm-dialog.js';\n\n@customElement('qd-pin-reset-dialog')\nexport class QdPinResetDialog extends LitElement {\n /**\n * Students available for PIN reset\n */\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n /**\n * Whether dialog is visible\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Search filter text\n */\n @state()\n private searchText = '';\n\n /**\n * Student being confirmed for reset\n */\n @state()\n private confirmingStudent: StudentRecord | null = null;\n\n /**\n * Whether confirmation dialog is open\n */\n @state()\n private confirmDialogOpen = false;\n\n /**\n * Error message to display\n */\n @state()\n private errorMessage = '';\n\n static styles = css`\n :host {\n display: contents;\n }\n\n .pin-reset-content {\n min-width: 400px;\n max-width: 500px;\n }\n\n .search-input {\n width: 100%;\n box-sizing: border-box;\n padding: 8px 12px;\n border: 1px solid #ccc;\n border-radius: 4px;\n margin-bottom: 12px;\n font-size: 12px;\n }\n\n .search-input:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n .student-list {\n max-height: 300px;\n overflow-y: auto;\n border: 1px solid #e0e0e0;\n border-radius: 4px;\n }\n\n .student-item {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n }\n\n .student-item:last-child {\n border-bottom: none;\n }\n\n .student-name {\n font-size: 12px;\n font-weight: 500;\n }\n\n .student-id {\n font-size: 10px;\n color: #666;\n }\n\n .pin-status {\n font-size: 10px;\n }\n\n .pin-status.has-pin {\n color: #4caf50;\n }\n\n .pin-status.no-pin {\n color: #ff9800;\n }\n\n .reset-btn {\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n }\n\n .reset-btn:hover {\n background: #e64a19;\n }\n\n .empty-message {\n padding: 16px;\n text-align: center;\n color: #666;\n font-size: 12px;\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n }\n `;\n\n /**\n * Backward compatibility: Support both 'open' and 'showModal' props\n */\n @property({ type: Boolean })\n set showModal(value: boolean) {\n this.open = value;\n }\n get showModal(): boolean {\n return this.open;\n }\n\n private get filteredStudents(): StudentRecord[] {\n if (!this.searchText.trim()) {\n return this.students;\n }\n const search = this.searchText.toLowerCase().trim();\n return this.students.filter(\n (s) => s.name.toLowerCase().includes(search) || s.serviceId.toLowerCase().includes(search),\n );\n }\n\n /**\n * Close the modal\n */\n close(): void {\n this.open = false;\n this.confirmingStudent = null;\n this.confirmDialogOpen = false;\n this.searchText = '';\n this.errorMessage = '';\n }\n\n /**\n * Show the modal\n */\n show(): void {\n this.open = true;\n }\n\n /**\n * Handle modal close from qd-modal\n */\n private handleModalClose = (): void => {\n // Don't close main modal if confirm dialog is open\n if (this.confirmDialogOpen) {\n return;\n }\n this.close();\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n /**\n * Handle search input\n */\n private handleSearchInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.searchText = input.value;\n // Sync updated list to portal\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n };\n\n /**\n * Show confirmation dialog for PIN reset\n */\n private handleResetClick = (student: StudentRecord): void => {\n this.confirmingStudent = student;\n this.confirmDialogOpen = true;\n };\n\n /**\n * Handle confirm button click in confirmation dialog\n */\n private handleConfirmReset = (): void => {\n if (this.confirmingStudent) {\n void this.executeReset(this.confirmingStudent);\n }\n };\n\n /**\n * Handle cancel button click in confirmation dialog\n */\n private handleCancelReset = (): void => {\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n };\n\n private async executeReset(student: StudentRecord) {\n try {\n const dbNameElement = document.getElementById(CONFIG_IDS.dbName);\n if (!dbNameElement?.textContent?.trim()) {\n throw new Error(\n `Database name not configured. Add dbName to page.`,\n );\n }\n const dbName = dbNameElement.textContent.trim();\n const storage = getStorageAdapter(dbName);\n await storage.init();\n\n // Reset the PIN\n const updatedStudent = resetPin(student);\n await storage.saveStudent(updatedStudent);\n\n // Create audit log entry\n const auditEvent: PinResetEvent = {\n eventId: crypto.randomUUID(),\n serviceId: student.serviceId,\n resetBy: 'instructor',\n resetAt: new Date().toISOString(),\n release: student.release,\n };\n await storage.saveAuditEvent(auditEvent);\n\n // Update local data\n const index = this.students.findIndex((s) => s.serviceId === student.serviceId);\n if (index >= 0) {\n this.students[index] = updatedStudent;\n this.students = [...this.students]; // Trigger reactivity\n }\n\n // Emit event\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n detail: {\n serviceId: student.serviceId,\n resetBy: 'instructor',\n timestamp: new Date().toISOString(),\n },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Close confirm dialog and refresh list\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n this.errorMessage = '';\n\n // Sync updated list to portal\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n } catch (err) {\n console.error('PIN reset error:', err);\n this.errorMessage = 'Failed to reset PIN. Please try again.';\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n\n // Sync error to portal\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n }\n }\n\n /**\n * Sync dynamic content to portal DOM.\n * Since qd-modal clones content and loses Lit bindings,\n * we need to manually update the portal content.\n */\n private syncContentToPortal(): void {\n const backdrop = document.querySelector('.qd-modal-backdrop');\n if (!backdrop) return;\n\n const listContainer = backdrop.querySelector('.student-list');\n if (!listContainer) return;\n\n // Clear and rebuild student list\n listContainer.innerHTML = '';\n const filtered = this.filteredStudents;\n\n if (filtered.length === 0) {\n const empty = document.createElement('div');\n empty.className = 'empty-message';\n empty.textContent = this.searchText ? 'No matching students' : 'No students found';\n empty.style.cssText = 'padding: 16px; text-align: center; color: #666; font-size: 12px;';\n listContainer.appendChild(empty);\n } else {\n filtered.forEach((student) => {\n const item = document.createElement('div');\n item.className = 'student-item';\n item.style.cssText = `\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n `;\n\n const info = document.createElement('div');\n\n const nameSpan = document.createElement('div');\n nameSpan.className = 'student-name';\n nameSpan.textContent = student.name;\n nameSpan.style.cssText = 'font-size: 12px; font-weight: 500;';\n\n const idSpan = document.createElement('div');\n idSpan.className = 'student-id';\n idSpan.textContent = `ID: ${student.serviceId}`;\n idSpan.style.cssText = 'font-size: 10px; color: #666;';\n\n const pinStatus = document.createElement('div');\n pinStatus.className = 'pin-status';\n const hasPinHash = student.pinHash && student.pinHash.length > 0;\n pinStatus.textContent = hasPinHash ? 'PIN set' : 'No PIN';\n pinStatus.style.cssText = `font-size: 10px; color: ${hasPinHash ? '#4caf50' : '#ff9800'};`;\n\n info.appendChild(nameSpan);\n info.appendChild(idSpan);\n info.appendChild(pinStatus);\n\n const resetBtn = document.createElement('button');\n resetBtn.className = 'reset-btn';\n resetBtn.textContent = 'Reset PIN';\n resetBtn.type = 'button';\n resetBtn.style.cssText = `\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n `;\n resetBtn.onclick = () => this.handleResetClick(student);\n\n item.appendChild(info);\n item.appendChild(resetBtn);\n listContainer.appendChild(item);\n });\n }\n\n // Sync error message\n let errorDiv = backdrop.querySelector('.error-message');\n if (this.errorMessage) {\n if (!errorDiv) {\n errorDiv = document.createElement('div');\n errorDiv.className = 'error-message';\n const content = backdrop.querySelector('.qd-modal-body');\n content?.appendChild(errorDiv);\n }\n errorDiv.textContent = this.errorMessage;\n (errorDiv as HTMLElement).style.cssText = `\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n `;\n } else {\n errorDiv?.remove();\n }\n }\n\n /**\n * Setup event listeners in portal after open\n */\n private setupPortalListeners(): void {\n const backdrop = document.querySelector('.qd-modal-backdrop');\n if (!backdrop) return;\n\n // Setup search input listener\n const searchInput = backdrop.querySelector('.search-input') as HTMLInputElement;\n if (searchInput) {\n searchInput.oninput = this.handleSearchInput;\n searchInput.focus();\n }\n\n // Initial list sync\n this.syncContentToPortal();\n }\n\n override updated(changedProps: Map): void {\n if (changedProps.has('open') && this.open) {\n // Wait for portal to render, then setup listeners\n setTimeout(() => {\n this.setupPortalListeners();\n }, 0);\n }\n\n if (changedProps.has('students') && this.open) {\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n }\n }\n\n override render() {\n // Don't render when closed\n if (!this.open) {\n return nothing;\n }\n\n const student = this.confirmingStudent;\n const confirmMessage = student\n ? `Reset PIN for ${student.name} (${student.serviceId})?
          They will need to create a new PIN on next login.`\n : '';\n\n return html`\n \n Reset Student PIN\n\n
          \n \n\n
          \n ${this.filteredStudents.length === 0\n ? html`
          \n ${this.searchText ? 'No matching students' : 'No students found'}\n
          `\n : this.filteredStudents.map(\n (s) => html`\n
          \n
          \n
          ${s.name}
          \n
          ID: ${s.serviceId}
          \n
          \n ${s.pinHash ? 'PIN set' : 'No PIN'}\n
          \n
          \n \n
          \n `,\n )}\n
          \n\n ${this.errorMessage ? html`
          ${this.errorMessage}
          ` : ''}\n
          \n           \n\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-pin-reset-dialog': QdPinResetDialog;\n }\n}\n","/**\n * Instructor component orchestrator\n * Delegates to sub-components based on unlock state\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord, SessionData } from '../../types/contracts.js';\nimport { STORAGE_KEYS } from '../../types/contracts.js';\nimport { getJSON } from '../../utils/storage-helpers.js';\nimport { SessionService } from '../../services/session.js';\nimport './qd-instructor-unlock.js';\nimport './qd-instructor-scores.js';\nimport './qd-instructor-export.js';\nimport './qd-instructor-manage.js';\nimport '../qd-build-info.js';\nimport '../qd-pin-reset-dialog.js';\nimport '../qd-help-trigger.js';\nimport '../qd-help-popup.js';\nimport { getHelpContent } from '../../config/help-content.js';\n\n/**\n * Main instructor panel orchestrating all sub-components\n *\n * State management:\n * - unlocked: false → shows unlock component\n * - unlocked: true → shows scores/export/manage controls\n *\n * @fires qd:instructor-unlock - Forwarded from unlock component\n * @fires qd:data-cleared - Forwarded from manage component\n */\n@customElement('qd-instructor')\nexport class QdInstructor extends LitElement {\n static override styles = [\n sharedStyles,\n css`\n :host {\n display: none; /* Hidden by default, shown when instructor logged in */\n }\n\n :host([data-show]) {\n display: block;\n }\n `,\n ];\n\n @state()\n private unlocked = false;\n\n @state()\n private showScores = false;\n\n @state()\n private students: StudentRecord[] = [];\n\n @state()\n private showStudentAnswers = false;\n\n @state()\n private showPinReset = false;\n\n @state()\n private helpOpen = false;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n\n // Auto-unlock if instructor is already logged in\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.unlock();\n }\n\n // Restore toggle state from sessionStorage\n const savedState = sessionStorage.getItem('qd/instructor/showAnswers');\n if (savedState !== null) {\n this.showStudentAnswers = savedState === 'true';\n\n // If toggle was enabled and instructor is logged in, dispatch event to show answers\n if (this.showStudentAnswers && isInstructor) {\n // Dispatch after tables are enhanced (use setTimeout to defer)\n setTimeout(() => {\n this.dispatchEvent(\n new CustomEvent('qd:instructor-show-answers', {\n bubbles: true,\n composed: true,\n }),\n );\n }, 100);\n }\n }\n\n document.addEventListener('qd:login', this.handleLoginEvent);\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:login', this.handleLoginEvent);\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n /**\n * Update visibility based on instructor session state\n */\n private updateVisibility(): void {\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n private handleLoginEvent = (event: Event): void => {\n const customEvent = event as CustomEvent<{ role?: string }>;\n const role = customEvent.detail?.role;\n\n this.updateVisibility();\n\n // Auto-unlock if instructor logged in\n if (role === 'instructor') {\n this.unlock();\n }\n };\n\n private handleLogoutEvent = (): void => {\n this.updateVisibility();\n this.lock();\n };\n\n /**\n * Set student data for display\n */\n setStudents(students: StudentRecord[]): void {\n this.students = students;\n }\n\n /**\n * Unlock instructor panel (call after successful auth)\n */\n unlock(): void {\n this.unlocked = true;\n }\n\n /**\n * Lock instructor panel (call on logout)\n */\n lock(): void {\n this.unlocked = false;\n this.showScores = false;\n this.showPinReset = false;\n }\n\n private handleResetPins = async (): Promise => {\n // Load all students for current release before showing reset dialog\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const { getStorageService } = await import('../../services/storage-service.js');\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showPinReset = true;\n };\n\n private handleClosePinReset = (): void => {\n this.showPinReset = false;\n };\n\n private handlePinReset = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleUnlock = (): void => {\n this.unlocked = true;\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:instructor-unlock', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleViewScores = async (): Promise => {\n // Load all students for current release before showing scores\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const { getStorageService } = await import('../../services/storage-service.js');\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showScores = true;\n };\n\n private handleCloseScores = (): void => {\n this.showScores = false;\n };\n\n private handleDataCleared = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:data-cleared', {\n bubbles: true,\n composed: true,\n }),\n );\n // Refresh students list\n this.students = [];\n };\n\n private handleLogout = (): void => {\n const session = getJSON(STORAGE_KEYS.SESSION);\n\n // Clear session from storage (this will also emit qd:logout event)\n const sessionService = new SessionService();\n sessionService.clearSession();\n\n // Dispatch event for any additional listeners\n this.dispatchEvent(\n new CustomEvent('qd:logout', {\n detail: {\n serviceId: session?.serviceId || 'unknown',\n },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleToggleStudentAnswers = async (e: Event): Promise => {\n const checkbox = e.target as HTMLInputElement;\n this.showStudentAnswers = checkbox.checked;\n\n // FR-004: Load student data in fresh session when toggle is enabled\n if (this.showStudentAnswers && this.students.length === 0) {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (session) {\n try {\n const { getStorageService } = await import('../../services/storage-service.js');\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students for toggle:', err);\n }\n }\n }\n\n // Emit event to notify table enhancers\n const eventName = this.showStudentAnswers\n ? 'qd:instructor-show-answers'\n : 'qd:instructor-hide-answers';\n\n this.dispatchEvent(\n new CustomEvent(eventName, {\n bubbles: true,\n composed: true,\n }),\n );\n\n // Persist toggle state in sessionStorage\n sessionStorage.setItem('qd/instructor/showAnswers', String(this.showStudentAnswers));\n };\n\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n override render() {\n if (!this.unlocked) {\n return html`\n \n `;\n }\n\n return html`\n
          \n
          \n Instructor Mode\n \n \n
          \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n
          \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor': QdInstructor;\n }\n}\n","/**\n * Component Injector\n * Injects UI components into the DOM during initialization\n */\n\nimport '../components/qd-login.js';\nimport '../components/qd-status.js';\nimport '../components/qd-instructor/qd-instructor.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * Default container selectors for component injection\n */\nexport const DEFAULT_CONTAINERS = {\n /** Where to inject status panel (Oxygen WebHelp default) */\n statusPanel: '.wh_top_menu_and_indexterms_link',\n} as const;\n\n/**\n * Configuration for component injection\n */\nexport interface ComponentInjectorConfig {\n /** Selector for status panel container */\n statusPanelContainer?: string;\n /** Database name for storage service */\n dbName?: string;\n}\n\n/**\n * Inject login component into status panel container\n */\nexport function injectLoginComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Login component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const login = document.createElement('qd-login');\n container.appendChild(login);\n info('Login component injected');\n return login;\n}\n\n/**\n * Inject status component into status panel container\n */\nexport function injectStatusComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Status component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const status = document.createElement('qd-status');\n container.appendChild(status);\n info('Status component injected');\n return status;\n}\n\n/**\n * Inject instructor component (shown when instructor unlocked)\n */\nexport function injectInstructorComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Instructor component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const instructor = document.createElement('qd-instructor');\n container.appendChild(instructor);\n info('Instructor component injected');\n return instructor;\n}\n\n/**\n * Inject all UI components based on configuration\n */\nexport function injectComponents(config: ComponentInjectorConfig = {}): void {\n const statusPanelContainer = config.statusPanelContainer || DEFAULT_CONTAINERS.statusPanel;\n\n // Always inject login component (handles showing/hiding based on session state)\n injectLoginComponent(statusPanelContainer);\n\n // Always inject status component (handles showing/hiding based on session state)\n injectStatusComponent(statusPanelContainer);\n\n // Always inject instructor component (hidden until unlocked)\n injectInstructorComponent(statusPanelContainer);\n}\n","/**\n * Home Page Badge Enhancer\n *\n * Applies R/A/G (Red/Amber/Green) badges to navigation links based on\n * page completion states. Updates badges in real-time when states change.\n *\n * Features:\n * - Queries links with class .quizPageBtn\n * - Reads completion state from SessionCache\n * - Applies CSS classes: qd-badge-red, qd-badge-amber, qd-badge-green\n * - Listens for qd:state-changed events for real-time updates\n * - Handles missing data gracefully\n *\n * Badge Colors:\n * - Red: Unstarted (no answers provided)\n * - Amber: Incomplete (some answered OR any incorrect)\n * - Green: Complete (all answered AND all correct)\n */\n\nimport type { PageId, SessionCache, CompletionState } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * CSS class constants for badges\n */\nconst BADGE_CLASSES = {\n red: 'qd-badge-red',\n amber: 'qd-badge-amber',\n green: 'qd-badge-green',\n} as const;\n\n/**\n * Map completion states to badge colors\n */\nconst STATE_TO_BADGE: Record = {\n unstarted: 'red',\n incomplete: 'amber',\n complete: 'green',\n};\n\n/**\n * Apply badge class to a link element\n *\n * @param link - Link element to apply badge to\n * @param state - Completion state\n */\nfunction applyBadge(link: HTMLElement, state: CompletionState): void {\n // Remove all existing badge classes\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n\n // Apply new badge class based on state\n const badgeColor = STATE_TO_BADGE[state];\n const badgeClass = BADGE_CLASSES[badgeColor];\n link.classList.add(badgeClass);\n}\n\n/**\n * Get completion state for a page from session cache\n *\n * @param pageId - Page ID to look up\n * @param cache - Session cache\n * @returns Completion state (defaults to 'unstarted' if not found)\n */\nfunction getPageState(pageId: PageId | null, cache: SessionCache | null): CompletionState {\n if (!pageId || !cache?.pages) {\n return 'unstarted';\n }\n\n const pageData = cache.pages[pageId];\n return pageData?.state ?? 'unstarted';\n}\n\n/**\n * Update badge for a single link\n *\n * @param link - Link element with data-page-id attribute\n */\nfunction updateLinkBadge(link: HTMLElement): void {\n const pageId = link.getAttribute('data-page-id');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const state = getPageState(pageId, cache);\n\n applyBadge(link, state);\n}\n\n/**\n * Update all badges from current session cache\n * If no session exists, remove all badges\n */\nfunction updateAllBadges(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n\n // If instructor mode OR no cache, remove all badge styling\n if (!cache || isInstructor) {\n links.forEach((link) => {\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n if (isInstructor) {\n info(`Removed badge styling from ${links.length} page links (instructor mode)`);\n } else {\n info(`Removed badge styling from ${links.length} page links (no session)`);\n }\n return;\n }\n\n // Cache exists and not instructor, apply badges based on state\n links.forEach((link) => {\n updateLinkBadge(link);\n });\n\n info(`Updated ${links.length} page badges`);\n}\n\n/**\n * Handle qd:state-changed event\n *\n * @param event - Custom event with pageId and state\n */\nfunction handleStateChanged(event: Event): void {\n const customEvent = event as CustomEvent<{ pageId: PageId; state: CompletionState }>;\n const { pageId } = customEvent.detail;\n\n // Find link with matching pageId\n const link = document.querySelector(`[data-page-id=\"${pageId}\"]`);\n\n if (link && link.classList.contains('quizPageBtn')) {\n updateLinkBadge(link);\n info(`Updated badge for page ${pageId}`);\n }\n}\n\n/**\n * Handle qd:cache-rebuild event - refresh all badges after cache is ready\n */\nfunction handleCacheRebuild(): void {\n info('Cache rebuilt, refreshing all badges');\n updateAllBadges();\n}\n\n/**\n * Handle qd:logout event - remove all badge styling\n */\nfunction handleLogout(): void {\n info('Logout detected, removing all badge styling');\n const links = document.querySelectorAll('.quizPageBtn');\n\n links.forEach((link) => {\n // Remove all badge classes to revert to native button styling\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n\n info(`Removed badge styling from ${links.length} page links`);\n}\n\n/**\n * Extract pageId from link href attribute\n *\n * @param link - Link element with href\n * @returns PageId extracted from href, or null if invalid\n *\n * @example\n * href=\"Pages/quiz-mcq.html\" → \"quiz-mcq\"\n * href=\"gram-1.html\" → \"gram-1\"\n */\nfunction extractPageIdFromHref(link: HTMLAnchorElement): PageId | null {\n const href = link.getAttribute('href');\n if (!href) {\n return null;\n }\n\n // Extract filename from href (last segment after /)\n const filename = href.substring(href.lastIndexOf('/') + 1);\n\n // Remove .html or .htm extension\n const pageId = filename.replace(/\\.html?$/i, '');\n\n return pageId || null;\n}\n\n/**\n * Enhance home page with R/A/G badges on navigation links\n *\n * This function:\n * 1. Queries all links with class .quizPageBtn\n * 2. Extracts pageId from href attribute and sets data-page-id\n * 3. Reads SessionCache to determine page completion states\n * 4. Applies appropriate badge CSS classes\n * 5. Sets up event listener for real-time updates\n *\n * @example\n * ```html\n * MCQ Questions\n * ```\n *\n * After enhancement:\n * - data-page-id attribute set: data-page-id=\"quiz-mcq\"\n * - Unstarted pages: class=\"quizPageBtn qd-badge-red\"\n * - Incomplete pages: class=\"quizPageBtn qd-badge-amber\"\n * - Complete pages: class=\"quizPageBtn qd-badge-green\"\n */\nexport function enhanceHomeBadges(): void {\n // Find all navigation links\n const links = document.querySelectorAll('.quizPageBtn');\n\n // Extract pageId from href and set data-page-id attribute\n links.forEach((link) => {\n const pageId = extractPageIdFromHref(link);\n if (pageId) {\n link.setAttribute('data-page-id', pageId);\n info(`Set data-page-id=\"${pageId}\" for link: ${link.textContent?.trim()}`);\n } else {\n info(`Failed to extract pageId from href: ${link.getAttribute('href')}`);\n }\n });\n\n // Apply initial badges\n updateAllBadges();\n\n // Listen for state changes and update badges in real-time\n document.addEventListener('qd:state-changed', handleStateChanged);\n\n // Listen for cache rebuild (after login) to refresh badges\n document.addEventListener('qd:cache-rebuild', handleCacheRebuild);\n\n // Listen for logout events to reset badges\n document.addEventListener('qd:logout', handleLogout);\n\n info('Home page badges enhanced with event listeners');\n}\n","/**\n * Bootstrap Module\n * Main initialization logic for the Sonar Quiz System\n */\n\nimport { info, warn } from '../utils/logger.js';\nimport { EventCoordinator } from './event-coordinator.js';\nimport { SessionCoordinator } from './session-coordinator.js';\nimport { injectComponents, type ComponentInjectorConfig } from './component-injector.js';\nimport {\n enhanceQuizTable,\n getQuizTableMetadata,\n showStudentAnswersForTable,\n hideStudentAnswersForTable,\n} from '../enhancers/quiz-table.js';\nimport { enhanceAnalysisTable } from '../enhancers/analysis-table.js';\nimport { enhanceHomeBadges } from '../enhancers/home-badges.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS, type SessionData, type SessionCache } from '../types/contracts.js';\n\n/**\n * Inject global CSS styles required by the quiz system\n * Must be called before any table enhancement\n */\nfunction injectGlobalStyles(): void {\n // Check if styles already injected\n if (document.getElementById('qd-global-styles')) {\n return;\n }\n\n const style = document.createElement('style');\n style.id = 'qd-global-styles';\n style.textContent = `\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: 1rem;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n `;\n\n document.head.appendChild(style);\n info('Global styles injected');\n}\n\n/**\n * Bootstrap configuration options\n */\nexport interface BootstrapConfig extends ComponentInjectorConfig {\n /** Auto-enhance quiz tables on init */\n autoEnhanceQuizTables?: boolean;\n /** Auto-enhance analysis tables on init */\n autoEnhanceAnalysisTables?: boolean;\n /** Auto-enhance home page badges on init */\n autoEnhanceHomeBadges?: boolean;\n}\n\n/**\n * Bootstrap state\n */\ninterface BootstrapState {\n initialized: boolean;\n eventCoordinator?: EventCoordinator;\n sessionCoordinator?: SessionCoordinator;\n}\n\nconst state: BootstrapState = {\n initialized: false,\n};\n\n/**\n * Initialize the Sonar Quiz System\n *\n * @param config - Bootstrap configuration\n */\nexport async function bootstrap(config: BootstrapConfig = {}): Promise {\n if (state.initialized) {\n warn('Bootstrap already initialized, skipping');\n return;\n }\n\n info('Bootstrapping Sonar Quiz System...');\n\n // 0. Inject required global styles\n injectGlobalStyles();\n\n // 1. Initialize storage service (IndexedDB)\n // dbName is REQUIRED - readDOMConfig() throws if missing\n if (!config.dbName) {\n const msg = 'FATAL: dbName not provided in bootstrap config. Processing stopped.';\n console.error(msg);\n throw new Error(msg);\n }\n const storageService = getStorageService(config.dbName);\n await storageService.init();\n\n // 2. Initialize event coordinator\n const eventCoordinator = new EventCoordinator();\n eventCoordinator.initialize();\n state.eventCoordinator = eventCoordinator;\n\n // 3. Initialize session coordinator\n const sessionCoordinator = new SessionCoordinator();\n sessionCoordinator.initialize();\n state.sessionCoordinator = sessionCoordinator;\n\n // 4. Inject UI components\n injectComponents({\n statusPanelContainer: config.statusPanelContainer,\n dbName: config.dbName,\n });\n\n // 5. Auto-enhance tables if enabled\n if (config.autoEnhanceQuizTables !== false) {\n enhanceAllQuizTables();\n }\n\n if (config.autoEnhanceAnalysisTables !== false) {\n enhanceAllAnalysisTables();\n }\n\n if (config.autoEnhanceHomeBadges !== false) {\n enhanceHomeBadgesIfPresent();\n }\n\n // 6. Check for existing session and upgrade tables if logged in\n await checkExistingSessionAndUpgradeTables();\n\n state.initialized = true;\n info('Bootstrap complete');\n}\n\n/**\n * Enhance all quiz tables found in the document\n * Initially enhances in non-interactive mode (hide answers for security)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllQuizTables(): void {\n const tables = document.querySelectorAll('table.qd-quiz');\n\n if (tables.length === 0) {\n info('No quiz tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} quiz table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceQuizTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance quiz table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} quiz table(s) (non-interactive)`);\n}\n\n/**\n * Enhance all analysis tables found in the document\n * Initially enhances in non-interactive mode (read-only)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllAnalysisTables(): void {\n const tables = document.querySelectorAll('table.qd-analysis');\n\n if (tables.length === 0) {\n info('No analysis tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} analysis table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceAnalysisTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance analysis table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} analysis table(s) (non-interactive)`);\n}\n\n/**\n * Enhance home page badges if .quizPageBtn links exist\n */\nfunction enhanceHomeBadgesIfPresent(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n\n if (links.length === 0) {\n info('No .quizPageBtn links found, skipping badge enhancement');\n return;\n }\n\n info(`Enhancing home page badges for ${links.length} link(s)...`);\n\n try {\n enhanceHomeBadges();\n info('Home page badges enhanced');\n } catch (err) {\n warn(`Failed to enhance home badges: ${(err as Error).message}`);\n }\n}\n\n/**\n * Check for existing session and upgrade tables to interactive mode\n * Called during bootstrap to handle page navigation with active session\n */\nasync function checkExistingSessionAndUpgradeTables(): Promise {\n // Check if session exists\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n info('No existing session, tables remain in non-interactive mode');\n return;\n }\n\n // Check if instructor mode - instructors don't need interactive tables\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n info('Instructor session detected, revealing answers in non-interactive tables');\n\n // Extract pageId from URL\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n // Reveal answer and detail columns for instructor (they're hidden by default in non-interactive mode)\n const quizTables = document.querySelectorAll('table.qd-quiz');\n quizTables.forEach((table) => {\n // Get parsed metadata (contains correct answers)\n const metadata = getQuizTableMetadata(table);\n if (!metadata) return;\n\n // Update metadata with pageId\n metadata.pageId = pageId;\n\n // Remove qd-hidden class from answer column (column 1)\n const answerCells = table.querySelectorAll('td:nth-child(2), th:nth-child(2)');\n answerCells.forEach((cell) => {\n cell.classList.remove('qd-hidden');\n });\n\n // Restore answer text to data cells only (not header)\n const answerDataCells = table.querySelectorAll('tbody td:nth-child(2)');\n answerDataCells.forEach((cell, index) => {\n const question = metadata.parsed.questions[index];\n if (question && cell instanceof HTMLTableCellElement) {\n cell.textContent = question.correctAnswer;\n }\n });\n\n // Remove qd-hidden class from detail column (column 2)\n const detailCells = table.querySelectorAll('td:nth-child(3), th:nth-child(3)');\n detailCells.forEach((cell) => cell.classList.remove('qd-hidden'));\n\n // Set up instructor toggle event listeners (since table is non-interactive)\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if toggle already enabled\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (showAnswers) {\n void showAnswersHandler();\n }\n });\n return;\n }\n\n info(`Existing session detected for ${session.serviceId}, upgrading tables to interactive mode`);\n\n // Load or rebuild cache from IndexedDB\n const storageService = getStorageService();\n let cache = getJSON(STORAGE_KEYS.CACHE);\n\n if (!cache) {\n info('Cache not found, rebuilding from IndexedDB...');\n try {\n const studentRecord = await storageService.loadStudentRecord(session);\n cache = storageService.buildCache(studentRecord);\n setJSON(STORAGE_KEYS.CACHE, cache);\n info(`Cache rebuilt from IndexedDB: ${cache.totals.total} total questions`);\n } catch {\n warn('Failed to rebuild cache from IndexedDB, using empty cache');\n cache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n setJSON(STORAGE_KEYS.CACHE, cache);\n }\n }\n\n // Extract pageId from URL filename\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n if (!pageId) {\n info('No pageId found, skipping table upgrade');\n return;\n }\n\n // Upgrade quiz tables to interactive mode\n const quizTables = document.querySelectorAll('table.qd-quiz');\n if (quizTables.length > 0) {\n info(`Upgrading ${quizTables.length} quiz table(s) to interactive mode...`);\n quizTables.forEach((table) => {\n enhanceQuizTable(table, { interactive: true, pageId });\n });\n }\n\n // Upgrade analysis tables to interactive mode\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n if (analysisTables.length > 0) {\n info(`Upgrading ${analysisTables.length} analysis table(s) to interactive mode...`);\n analysisTables.forEach((table) => {\n enhanceAnalysisTable(table, { interactive: true, pageId });\n });\n }\n}\n\n/**\n * Cleanup bootstrap resources\n */\nexport function cleanup(): void {\n if (!state.initialized) {\n warn('Bootstrap not initialized, nothing to cleanup');\n return;\n }\n\n info('Cleaning up bootstrap resources...');\n\n state.eventCoordinator?.cleanup();\n state.sessionCoordinator?.cleanup();\n\n state.initialized = false;\n state.eventCoordinator = undefined;\n state.sessionCoordinator = undefined;\n\n info('Bootstrap cleanup complete');\n}\n\n/**\n * Check if bootstrap is initialized\n */\nexport function isInitialized(): boolean {\n return state.initialized;\n}\n\n/**\n * Get the event coordinator instance\n */\nexport function getEventCoordinator(): EventCoordinator | undefined {\n return state.eventCoordinator;\n}\n\n/**\n * Get the session coordinator instance\n */\nexport function getSessionCoordinator(): SessionCoordinator | undefined {\n return state.sessionCoordinator;\n}\n","/**\n * Sonar Quiz System - Entry Point\n *\n * Offline-first interactive quiz and analysis platform for DITA-published content.\n *\n * @packageDocumentation\n */\n\nimport { bootstrap } from './init/bootstrap.js';\nimport { info } from './utils/logger.js';\nimport { readDOMConfig } from './config/dom-config-reader.js';\n\n// Export quiz table enhancer (Phase 2.1)\nexport {\n enhanceQuizTable,\n getQuizTableMetadata,\n isQuizTableEnhanced,\n} from './enhancers/quiz-table.js';\nexport type { EnhanceQuizTableOptions } from './enhancers/quiz-table.js';\n\n// Export analysis table enhancer (Phase 2.2)\nexport {\n enhanceAnalysisTable,\n getAnalysisTableMetadata,\n isAnalysisTableEnhanced,\n} from './enhancers/analysis-table.js';\nexport type { EnhanceAnalysisTableOptions } from './enhancers/analysis-table.js';\n\n// Export types\nexport type {\n ParsedQuizTable,\n QuizQuestion,\n AnswerRecord,\n CompletionState,\n PageId,\n SessionData,\n SessionCache,\n StudentRecord,\n PageData,\n ReleaseId,\n ServiceId,\n TableId,\n CellKey,\n QuestionKind,\n} from './types/contracts.js';\n\n// Export constants\nexport { STORAGE_KEYS, SCHEMA_VERSION, SESSION_TIMEOUT_MS } from './types/contracts.js';\n\n// Export services\nexport { parseQuizTable, validateAnswer } from './services/quiz-parser.js';\nexport {\n parseAnalysisTable,\n generateTableId,\n generateCellKey,\n isCellEditable,\n} from './services/analysis-parser.js';\nexport { calculateCompletionState } from './services/state-calculator.js';\n\n// Export utilities\nexport { Debouncer } from './utils/debouncer.js';\nexport { getJSON, setJSON, clearQuizData } from './utils/storage-helpers.js';\nexport { info, warn, error } from './utils/logger.js';\n\n// Export bootstrap (Phase 3)\nexport { bootstrap, cleanup, isInitialized } from './init/bootstrap.js';\nexport type { BootstrapConfig } from './init/bootstrap.js';\n\n// Export component injector\nexport { injectComponents, DEFAULT_CONTAINERS } from './init/component-injector.js';\nexport type { ComponentInjectorConfig } from './init/component-injector.js';\n\n/**\n * Version information\n */\nexport const VERSION = '0.1.0-phase3.1';\nexport const BUILD_DATE = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : 'development';\n\n// Declare global for build date injection\ndeclare const __BUILD_DATE__: string;\n\n/**\n * Auto-initialize on DOMContentLoaded\n *\n * System always initializes when script loads. Configuration is read from\n * hidden DOM elements injected by DITA publishing (see dom-config-reader.ts).\n */\nif (typeof window !== 'undefined') {\n const init = () => {\n info('Auto-initializing Sonar Quiz System');\n\n // Read configuration from hidden DOM elements\n const domConfig = readDOMConfig();\n\n // Bootstrap with DOM config\n bootstrap({\n dbName: domConfig.dbName,\n statusPanelContainer: domConfig.statusPanelContainer,\n autoEnhanceQuizTables: true,\n autoEnhanceAnalysisTables: true,\n autoEnhanceHomeBadges: true,\n }).catch((err) => {\n console.error('[FATAL] Bootstrap failed:', err);\n });\n };\n\n // Initialize when DOM is ready\n if (document.readyState === 'loading') {\n document.addEventListener('DOMContentLoaded', () => void init());\n } else {\n // DOM already loaded\n void init();\n 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\ No newline at end of file From 176c9e110fcd3dcba4d0295af59215f5987503ee Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 17:14:21 +0000 Subject: [PATCH 07/11] new release --- .../template/resources/sonar-quiz.iife.js | 48 +++++++++---------- .../template/resources/sonar-quiz.iife.js.map | 2 +- 2 files changed, 25 insertions(+), 25 deletions(-) diff --git a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js index 05357c1..22b48c6 100644 --- a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js +++ b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js @@ -1,31 +1,31 @@ -var SonarQuiz=function(t){"use strict";function n(t){if(t.length<2)return"**";if(2===t.length)return t;return t.slice(0,2)+"*".repeat(t.length-2)}function s(t){if(null===t||"object"!=typeof t)return t;const o={};for(const[r,a]of 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Date).toISOString()}))}unlockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!0,t.unlockTime=(new Date).toISOString(),this.saveSession(t),o("Instructor mode unlocked"),this.emitEvent("qd:instructor-unlock",{timestamp:t.unlockTime}))}lockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!1,delete t.unlockTime,this.saveSession(t),o("Instructor mode locked"),this.emitEvent("qd:instructor-lock",{timestamp:(new Date).toISOString()}))}isInstructorUnlocked(){const t=this.getSession();return!0===t?.instructorUnlocked}getCache(){try{const t=sessionStorage.getItem(u.CACHE);return t?JSON.parse(t):null}catch(t){return r("Failed to parse cache data",t),null}}saveCache(t){try{sessionStorage.setItem(u.CACHE,JSON.stringify(t))}catch(n){r("Failed to save cache",n)}}clearCache(){sessionStorage.removeItem(u.CACHE)}saveSession(t){try{sessionStorage.setItem(u.SESSION,JSON.stringify(t))}catch(n){r("Failed to save session",n)}}emitEvent(t,n){try{const s=new CustomEvent(t,{detail:n,bubbles:!0});document.dispatchEvent(s)}catch(s){r(`Failed to emit event ${t}`,s)}}}function m(t,n){const s=n.answers.length,o=n.answers.filter(t=>""!==t.answer.trim()).length,r=n.answers.filter(t=>t.success).length;return{state:n.state,total:s,answered:o,correct:r,last:n.lastAttempted,answers:n.answers,analysis:n.analysis}}function g(t){return function(t,n="display"){if(null==t)return console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date";const s="string"==typeof t?new Date(t):t;return isNaN(s.getTime())?(console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date"):"csv"===n?function(t){return t.toISOString()}(s):function(t){return`${t.toLocaleDateString("en-US",{month:"short"})} ${t.getDate()} ${t.getHours().toString().padStart(2,"0")}:${t.getMinutes().toString().padStart(2,"0")}`}(s)}(t,"display")}class Debouncer{constructor(){this.timers=new Map}debounce(t,n,s=200){const o=this.timers.get(t);void 0!==o&&clearTimeout(o);const r=setTimeout(()=>{this.timers.delete(t),n()},s);this.timers.set(t,r)}cancel(t){const n=this.timers.get(t);return void 0!==n&&(clearTimeout(n),this.timers.delete(t),!0)}cancelAll(){let t=0;for(const n of this.timers.values())clearTimeout(n),t++;return this.timers.clear(),t}isPending(t){return this.timers.has(t)}getPendingCount(){return this.timers.size}}function f(t){const n=t.querySelector("tbody");return n?Array.from(n.querySelectorAll("tr")):[]}function b(t){return Array.from(t.cells)}function v(t){return t&&t.textContent?.trim()||""}function y(t,n,s){return document.createElement(t)}function w(t,...n){t.classList.add(...n)}function S(t,...n){t.classList.remove(...n)}function x(t,n,s){const o=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0,cancelable:!1});return document.dispatchEvent(o)}function E(t,n,s,o){const r=new CustomEvent(n,{detail:s,bubbles:!0,composed:!0,cancelable:!1});return t.dispatchEvent(r)}function $(t){try{const n=sessionStorage.getItem(t);return n?JSON.parse(n):null}catch(n){return a(`Failed to parse JSON from sessionStorage key: ${t}`,n),null}}function C(t,n){try{const s=JSON.stringify(n);return sessionStorage.setItem(t,s),!0}catch(s){return a(`Failed to store JSON in sessionStorage key: ${t}`,s),!1}}function q(){const t=[];for(let n=0;n{let s,o=!1;const d=()=>{s&&(clearTimeout(s),s=void 0)};s=window.setTimeout(()=>{if(o)return;o=!0,this.initPromise=null,a("IndexedDB open timed out after 5000ms - attempting recovery");const s=indexedDB.deleteDatabase(this.dbName);s.onsuccess=()=>{this.init().then(t).catch(n)},s.onerror=()=>{n(new StorageError(`Database "${this.dbName}" appears corrupted. Please clear site data in browser settings.`,"init"))},s.onblocked=()=>{n(new StorageError("Cannot recover database - close all other tabs with this site and reload.","init"))}},5e3);const c=indexedDB.open(this.dbName,3);c.onerror=()=>{o||(o=!0,d(),r(`IndexedDB open error: ${c.error?.message||"unknown"}`),this.initPromise=null,n(new StorageError("Failed to open database","init",c.error)))},c.onblocked=()=>{a("IndexedDB open blocked - close other tabs with this database")},c.onsuccess=()=>{if(!o){if(o=!0,d(),this.db=c.result,!this.db.objectStoreNames.contains(T)||!this.db.objectStoreNames.contains(P)||!this.db.objectStoreNames.contains(O)){a(`Database corrupted (missing stores). 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t=n.createObjectStore(P,{keyPath:null});t.createIndex("by-original-key","originalKey",{unique:!1}),t.createIndex("by-timestamp","timestamp",{unique:!1})}if(!n.objectStoreNames.contains(O)){const t=n.createObjectStore(O,{keyPath:"eventId"});t.createIndex("by-service-id","serviceId",{unique:!1}),t.createIndex("by-reset-at","resetAt",{unique:!1})}}catch(o){throw r("Error during database upgrade",o),o}}}),this.initPromise)}ensureInitialized(){if(!this.db)throw new StorageNotInitializedError("ensureInitialized");return this.db}async getStudent(t,n){const s=this.ensureInitialized(),o=A(t,n);return new Promise((t,n)=>{try{const r=s.transaction(T,"readonly"),a=r.objectStore(T).get(o);a.onsuccess=()=>{t(a.result||null)},a.onerror=()=>{n(new StorageError("Failed to get student record","getStudent",a.error))}}catch(r){n(new StorageError("Failed to get student record","getStudent",r))}})}async saveStudent(t){const n=this.ensureInitialized(),s=A(t.release,t.serviceId);return new 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r=n.transaction(P,"readwrite"),d=r.objectStore(P).put(a,o);d.onsuccess=()=>{t()},d.onerror=()=>{"QuotaExceededError"===d.error?.name?s(new StorageQuotaError("backup")):s(new StorageError("Failed to create backup","backup",d.error))},r.onerror=()=>{s(new StorageError("Transaction failed during backup","backup",r.error))}}catch(r){s(new StorageError("Failed to create backup","backup",r))}})}async saveAuditEvent(t){const n=this.ensureInitialized();return new Promise((s,o)=>{try{const r=n.transaction(O,"readwrite"),a=r.objectStore(O).add(t);a.onsuccess=()=>{s()},a.onerror=()=>{o(new StorageError("Failed to save audit event","saveAuditEvent",a.error))}}catch(r){o(new StorageError("Failed to save audit event","saveAuditEvent",r))}})}close(){this.db&&(this.db.close(),this.db=null,this.initPromise=null)}}let _=null,D=null;function U(t){if(!t)throw new Error("FATAL: dbName is required for getStorageAdapter()");return _&&D!==t&&(_.close(),_=null),_||(_=new 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a.firstAttempted||(a.firstAttempted=d),a.lastAttempted=d,a.state=j(a.answers,r),{...t,pages:{...t.pages,[n]:a}}}buildCache(t){return function(t){const n={totals:{total:0,answered:0,correct:0},pages:{}};for(const[s,o]of Object.entries(t.pages)){const t=m(0,o);n.pages[s]=t,n.totals.total+=t.total,n.totals.answered+=t.answered,n.totals.correct+=t.correct}return n}(t)}async getStudentsByRelease(t){try{return await this.adapter.getStudentsByRelease(t)}catch(n){throw r("Failed to get students by release",n),n}}async clearAll(){try{await this.adapter.clearAll(),o("Cleared all data from IndexedDB")}catch(t){throw r("Failed to clear all data",t),t}}async backup(t){try{await this.adapter.backup(t),o(`Created backup for ${t.serviceId}`)}catch(n){a(`Failed to create backup for ${t.serviceId}`,n)}}}let F=null,B=null;function V(t){if(F&&!t)return F;if(F&&t&&B!==t)return a(`Storage service already initialized with dbName="${B}", ignoring new dbName="${t}"`),F;if(!F){if(!t)throw new Error("FATAL: dbName is required for first getStorageService() call");F=new StorageService(t),B=t}return F}const Q=Object.freeze(Object.defineProperty({__proto__:null,StorageService:StorageService,getStorageService:V},Symbol.toStringTag,{value:"Module"})),K=new WeakMap;function W(t,n){const s=K.get(t);let l;if(s){if(s.interactive||!n.interactive)return o("Quiz table already enhanced, skipping"),!0;o("Upgrading quiz table from non-interactive to interactive mode"),l=s.parsed}else l=d(t),l.errors&&l.errors.length>0&&r("Quiz table has validation errors:",l.errors);const h={parsed:l,interactive:n.interactive,pageId:n.pageId};if(n.interactive){if(!n.pageId)return r("Interactive mode requires pageId option"),!1;o(`Preparing interactive enhancement for pageId: ${n.pageId}`),h.debouncer=new Debouncer,h.inputs=[]}if(K.set(t,h),n.interactive){const n=function(t,n){const{parsed:s,pageId:d,debouncer:l}=n;if(!d||!l)return r("Interactive mode requires pageId and debouncer"),!1;(function(t){const n=t.querySelectorAll("thead th, thead td");n[1]&&S(n[1],"qd-hidden");const s=t.querySelectorAll("tbody tr");s.forEach(t=>{const n=t.querySelectorAll("td");n[1]&&S(n[1],"qd-hidden")})})(t),G(t);if(!$(u.SESSION))return r("No active session found"),!1;let h=$(u.CACHE);h?o(`Cache loaded: ${h.totals.total} total questions, ${Object.keys(h.pages).length} pages`):(o("No cache found, creating empty cache"),h={totals:{total:0,answered:0,correct:0},pages:{}});const p=s.questions.length;h=function(t,n,s){const o=t.pages[n];if(o&&o.total>=s)return t;const r=s-(o?.total||0),a={state:o?.state||"unstarted",total:s,answered:o?.answered||0,correct:o?.correct||0,last:o?.last,answers:o?.answers,analysis:o?.analysis};return{totals:{total:t.totals.total+r,answered:t.totals.answered,correct:t.totals.correct},pages:{...t.pages,[n]:a}}}(h,d,p),C(u.CACHE,h);const m=h?.pages[d],g=m?.answers||[];o(`Page ${d}: ${g.length} existing answers, state: ${m?.state||"none"}`);const f=t.querySelector("tbody");if(!f)return r("Quiz table has no tbody element"),!1;const b=Array.from(f.querySelectorAll("tr")),v=[];s.questions.forEach((s,d)=>{const l=b[d];if(!l)return;const h=Array.from(l.querySelectorAll("td"));if(3!==h.length)return;const p=h[0],m=h[1];if(!p||!m)return;const f=g[d];f&&f.answer&&o(`Q${d+1}: Pre-filling with "${f.answer}" (${f.success?"correct":"incorrect"})`);const w=function(t,n){const s=function(t,n){if("mcq"===t.kind){const s=(t.options||[]).map((t,n)=>({value:String(n+1),text:`${n+1}. ${t}`}));return{type:"select",className:"qd-quiz-input",placeholder:"Select an answer...",value:n?.answer||"",options:s}}return{type:"text",className:"qd-quiz-input",placeholder:"Enter value",value:n?.answer||""}}(t,n);if("select"===s.type){const t=y("select");t.className=s.className;const n=y("option");return n.value="",n.textContent=s.placeholder,n.disabled=!0,t.appendChild(n),s.options&&s.options.forEach(n=>{const s=y("option");s.value=n.value,s.textContent=n.text,t.appendChild(s)}),t.value=s.value,t}{const t=y("input");return t.type=s.type,t.className=s.className,t.placeholder=s.placeholder,t.value=s.value,t}}(s,f);v.push(w),m.textContent="",m.appendChild(w),f&&J(m,f.success);const S="SELECT"===w.tagName?"change":"input";w.addEventListener(S,()=>{!function(t,n,s,d){const{debouncer:l,pageId:h,parsed:p}=n;if(!l||!h)return;const m=p.questions[s];if(!m)return;l.debounce(`save-answer-${s}`,()=>{!async function(t,n,s,d){const{pageId:l,parsed:h,inputs:p}=n;if(!l||!p)return;const m=h.questions[s];if(!m)return;const g=$(u.SESSION);if(!g)return void r("No active session found");const f=c(m,d),b={answer:d.trim(),success:f,timestamp:(new Date).toISOString()},v=V();let y;try{y=await v.loadStudentRecord(g)}catch(T){return void a("Failed to load student record, answer not saved",T)}const w=h.questions.length,S=v.updateRecordWithAnswer(y,l,s,b,w);try{await v.saveStudentRecord(S)}catch(T){a("Failed to save student record to IndexedDB",T)}const E=v.buildCache(S);C(u.CACHE,E);const q=t.querySelector(`tbody tr:nth-child(${s+1})`);if(q){const t=q.querySelector("td:nth-child(2)");t&&J(t,f)}x("qd:answer-saved",{pageId:l,answer:b});const A=S.pages[l];A&&x("qd:state-changed",{pageId:l,state:A.state});o(`Answer saved for question ${s+1} on page ${l}: ${f?"correct":"incorrect"}`)}(t,n,s,d)},200)}(t,n,d,w.value)})}),n.inputs=v;const E=()=>{X(t,n)},q=()=>{ee(t)};document.addEventListener("qd:instructor-show-answers",E),document.addEventListener("qd:instructor-hide-answers",q);const A="true"===sessionStorage.getItem(u.INSTRUCTOR),T="true"===sessionStorage.getItem("qd/instructor/showAnswers");A&&T&&X(t,n);const P=()=>{t.querySelectorAll("td.qd-answer-correct, td.qd-answer-incorrect").forEach(t=>{S(t,"qd-answer-correct","qd-answer-incorrect")}),ee(t),o("Cleared student UI state from quiz table on logout")};return document.addEventListener("qd:logout",P),n.cleanupInstructorListeners=()=>{document.removeEventListener("qd:instructor-show-answers",E),document.removeEventListener("qd:instructor-hide-answers",q),document.removeEventListener("qd:logout",P)},w(t,"qd-quiz-interactive"),o(`Quiz table enhanced in interactive mode for page ${d}`),!0}(t,h);return n?o(`Interactive enhancement succeeded for table with ${l.questions.length} questions`):r("Interactive enhancement failed"),n}return function(t){return function(t){const n=t.querySelector("colgroup");n&&n.remove()}(t),Y(t),G(t),w(t,"qd-quiz-non-interactive"),o("Quiz table enhanced in non-interactive mode"),!0}(t)}function J(t,n){S(t,"qd-answer-correct","qd-answer-incorrect"),w(t,n?"qd-answer-correct":"qd-answer-incorrect")}function Y(t){const n=t.querySelectorAll("thead th, thead td");n[1]&&w(n[1],"qd-hidden");t.querySelectorAll("tbody tr").forEach(t=>{const n=t.querySelectorAll("td");n[1]&&(w(n[1],"qd-hidden"),n[1].textContent="")})}function G(t){const n=t.querySelectorAll("thead th, thead td");n[2]&&w(n[2],"qd-hidden");t.querySelectorAll("tbody tr").forEach(t=>{const n=t.querySelectorAll("td");n[2]&&w(n[2],"qd-hidden")})}function Z(t){return K.get(t)}async function X(t,n){const{pageId:s,parsed:a}=n;if(!s)return;const d=$(u.SESSION);if(!d)return;const{getStorageService:c}=await Promise.resolve().then(()=>Q),l=c();try{const n=await l.getStudentsByRelease(d.release);if(0===n.length)return o("No student data available for this release"),void alert("No student data available for this release. Students need to log in and answer questions first.");const r=t.querySelector("tbody");if(!r)return;const c=Array.from(r.querySelectorAll("tr"));a.questions.forEach((t,o)=>{const r=c[o];if(!r)return;const a=Array.from(r.querySelectorAll("td"))[1];if(!a)return;const d=a.querySelector(".qd-student-answers");d&&d.remove();const l=function(t,n,s){const o=[];for(const r of t){const t=r.pages[n];if(!t||!t.answers)continue;const a=t.answers[s];a&&o.push({name:r.name,maskedServiceId:r.serviceId.slice(-4),answer:a.answer,success:a.success,formattedTimestamp:g(a.timestamp),cssClass:a.success?"qd-correct":"qd-incorrect"})}return o}(n,s,o);if(l.length>0){const t=document.createElement("div");t.className="qd-student-answers",l.forEach(n=>{const s=document.createElement("div");s.className=`qd-student-answer ${n.cssClass}`,s.innerHTML=`\n ${n.name} (${n.maskedServiceId}):\n ${n.answer}\n ${n.formattedTimestamp}\n `,t.appendChild(s)}),a.appendChild(t)}}),o(`Displayed student answers for ${n.length} students on page ${s}`)}catch(h){r("Failed to load student answers",h)}}function ee(t){t.querySelectorAll(".qd-student-answers").forEach(t=>t.remove()),o("Hid student answers from quiz table")}function te(t,n=16){let s=5381;for(let r=0;r{b(t).forEach((t,s)=>{if(oe(t)){const o=v(t),a=se(n,s,o);r.push({row:n,col:s,key:a})}})}),{element:t,tableId:o,editableCells:r,errors:n.length>0?n:void 0}}const ie=new WeakMap;function ae(t,n){const s=re(t);s.errors&&s.errors.length>0&&r("Analysis table has validation errors:",s.errors);const d={parsed:s,interactive:n.interactive,pageId:n.pageId};if(n.interactive){if(!n.pageId)return r("Interactive mode requires pageId option"),!1;d.debouncer=new Debouncer,d.cellKeyMap=new Map}return ie.set(t,d),n.interactive?function(t,n){const{parsed:s,pageId:d,debouncer:c,cellKeyMap:l}=n;if(!d||!c||!l)return r("Interactive mode requires pageId, debouncer, and cellKeyMap"),!1;if(!$(u.SESSION))return r("No active session found"),!1;const h=$(u.CACHE),p=h?.pages[d],m=p?.analysis,g=m?.cells||{},y=f(t);return s.editableCells.forEach(({row:t,col:s,key:d})=>{const c=y[t];if(!c)return;const h=b(c)[s];h&&(oe(h)?(l.set(h,d),g[d]&&(h.textContent=g[d]),h.contentEditable="true",w(h,"qd-editable"),h.addEventListener("input",()=>{!function(t,n,s){const{debouncer:d,pageId:c}=t;if(!d||!c)return;const l=v(n);d.debounce(`save-cell-${s}`,()=>{!async function(t,n,s){const{pageId:d,parsed:c}=t;if(!d)return;const l=$(u.SESSION);if(!l)return void r("No active session found");const h=V();let p;try{p=await h.loadStudentRecord(l)}catch(v){return void a("Failed to load student record, analysis not saved",v)}const m=p.pages[d]||{answers:[],state:"unstarted"},g=m.analysis||{tableId:c.tableId,cells:{}};g.cells[n]=s;const f=(new Date).toISOString();g.firstEdited||(g.firstEdited=f);g.lastEdited=f,m.analysis=g,p.pages[d]=m,p.updated=f;try{await h.saveStudentRecord(p)}catch(v){a("Failed to save student record to IndexedDB",v)}const b=h.buildCache(p);C(u.CACHE,b),x("qd:analysis-saved",{pageId:d,tableId:c.tableId,cellKey:n,content:s}),o(`Analysis cell saved for ${n} on page ${d}`)}(t,s,l)},500)}(n,h,d)})):r(`Cell at R${t}C${s} is no longer editable`))}),w(t,"qd-analysis-interactive"),o(`Analysis table enhanced in interactive mode for page ${d}`),!0}(t,d):function(t){w(t,"qd-analysis-non-interactive");const n=()=>{!async function(t){const n=ie.get(t);if(!n)return void a("Cannot show student entries: table not enhanced");const s=n.pageId||function(){const t=document.body.dataset.pageId;if(t)return t;const n=window.location.pathname,s=(n.split("/").pop()||"").replace(".html","");return s||void 0}();if(!s)return void a("Cannot show student entries: page ID not found");const d=$(u.SESSION);if(!d)return void a("Cannot show student entries: no active session");const c=V();let l;try{l=await c.getStudentsByRelease(d.release)}catch(v){return void r("Failed to load students for instructor view:",v)}const h=function(t,n){const s={};return t.forEach(t=>{const o=t.pages[n];if(!o||!o.analysis)return;const{cells:r}=o.analysis,a=o.analysis.lastEdited||t.updated;Object.entries(r).forEach(([n,o])=>{s[n]||(s[n]=[]),s[n].push({serviceId:t.serviceId,name:t.name,content:o,timestamp:a})})}),s}(l,s),{editableCells:p}=n.parsed,m=f(t);p.forEach(({row:t,col:n,key:s})=>{const o=m[t];if(!o)return;const r=b(o)[n];if(!r)return;const a=function(t){const n=document.createElement("div");if(n.className="qd-student-entries",0===t.length)return n.className+=" qd-no-entries",n.textContent="(No entries yet)",n.style.cssText="color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;",n;const s=function(t){return[...t].sort((t,n)=>{const s=new Date(t.timestamp).getTime();return new Date(n.timestamp).getTime()-s})}(t);return s.forEach(t=>{const s=document.createElement("div");s.className="qd-entry",s.style.cssText="padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;";const o=t.serviceId.slice(-4),r=g(t.timestamp),a=document.createElement("span");a.style.cssText="font-weight: 600; color: #374151;",a.textContent=`${t.name} (${o}) • ${r}: `;const d=document.createElement("span");d.style.cssText="white-space: pre-wrap;",d.textContent=t.content,s.appendChild(a),s.appendChild(d),n.appendChild(s)}),n.style.cssText="margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;",n}(h[s]||[]);a.setAttribute("data-qd-student-entries","true");const d=r.querySelector("[data-qd-student-entries]");d&&d.remove(),r.appendChild(a)}),o(`Displayed student entries for ${p.length} cells`)}(t)},s=()=>{de(t)};return document.addEventListener("qd:instructor-show-answers",n),document.addEventListener("qd:instructor-hide-answers",s),o("Analysis table enhanced in non-interactive mode with instructor view support"),!0}(t)}function de(t){t.querySelectorAll("[data-qd-student-entries]").forEach(t=>t.remove()),o("Hidden student entries from analysis table")}class EventCoordinator{constructor(){this.listeners=new Map}initialize(){this.registerLoginHandlers(),this.registerLogoutHandlers(),this.registerAnswerHandlers(),this.registerStateHandlers(),this.registerInstructorHandlers(),this.registerDataHandlers(),o("Event coordinator initialized")}registerLoginHandlers(){this.addEventListener("qd:login",t=>{(async()=>{const n=t.detail;if(o(`Login event: ${n.serviceId} (${n.name})`),"INSTRUCTOR"===n.serviceId)return void o("Instructor login - skipping student record handling");const s=$(u.SESSION);if(!s)return void o("No session found in storage, skipping cache rebuild");const r=V();let a,d;try{a=await r.loadStudentRecord(s),await r.saveStudentRecord(a),d=r.buildCache(a),C(u.CACHE,d),o(`Cache built from IndexedDB: ${d.totals.total} total questions`)}catch{o("Failed to load from IndexedDB, initializing empty cache");C(u.CACHE,{totals:{total:0,answered:0,correct:0},pages:{}})}this.dispatchEvent("qd:cache-rebuild",{}),this.upgradeTablesAfterLogin()})()})}upgradeTablesAfterLogin(){const t=window.location.pathname,n=t.substring(t.lastIndexOf("/")+1).replace(/\.html?$/i,"");if(!n)return void o("No pageId found, skipping table upgrade to interactive mode");if("true"===sessionStorage.getItem(u.INSTRUCTOR)){o("Instructor session detected, tables remain in non-interactive mode with answers visible");return void document.querySelectorAll("table.qd-quiz").forEach(t=>{const s=Z(t);if(!s)return;s.pageId=n;t.querySelectorAll("td:nth-child(2), th:nth-child(2)").forEach(t=>{t.classList.remove("qd-hidden")});t.querySelectorAll("tbody td:nth-child(2)").forEach((t,n)=>{const o=s.parsed.questions[n];o&&t instanceof HTMLTableCellElement&&(t.textContent=o.correctAnswer)});t.querySelectorAll("td:nth-child(3), th:nth-child(3)").forEach(t=>t.classList.remove("qd-hidden"));const o=()=>{X(t,s)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",()=>{ee(t)});"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}const s=document.querySelectorAll("table.qd-quiz");s.length>0&&(o(`Upgrading ${s.length} quiz table(s) to interactive mode...`),s.forEach(t=>{W(t,{interactive:!0,pageId:n})}));const r=document.querySelectorAll("table.qd-analysis");r.length>0&&(o(`Upgrading ${r.length} analysis table(s) to interactive mode...`),r.forEach(t=>{ae(t,{interactive:!0,pageId:n})}))}registerLogoutHandlers(){this.addEventListener("qd:logout",t=>{o(`Logout event: ${t.detail.serviceId}`);document.querySelectorAll("table.qd-quiz").forEach(t=>{!function(t){const n=K.get(t);n&&(n.interactive=!1,n.pageId=void 0,n.inputs=void 0,n.cleanupInstructorListeners?.(),n.cleanupInstructorListeners=void 0,Y(t),G(t),S(t,"qd-quiz-interactive"),o("Quiz table reset to non-interactive mode"))}(t)});document.querySelectorAll("table.qd-analysis").forEach(t=>{!function(t){const n=ie.get(t);n&&(de(t),n.interactive&&(t.querySelectorAll(".qd-editable").forEach(t=>{t instanceof HTMLTableCellElement&&(t.contentEditable="false",t.classList.remove("qd-editable"),t.textContent="")}),t.classList.remove("qd-analysis-interactive"),n.debouncer?.cancelAll()),n.interactive=!1,n.pageId=void 0,n.debouncer=void 0,n.cellKeyMap=void 0,o("Reset analysis table to non-interactive mode"))}(t)}),this.dispatchEvent("qd:cache-clear",{})})}registerAnswerHandlers(){this.addEventListener("qd:answer-saved",t=>{const n=t.detail;o(`Answer saved: ${n.pageId} Q${n.questionIndex} = ${n.answer} (${n.success?"correct":"incorrect"})`),this.dispatchEvent("qd:cache-update",{pageId:n.pageId})})}registerStateHandlers(){this.addEventListener("qd:state-changed",t=>{const n=t.detail;o(`State changed: ${n.pageId} → ${n.state}`),this.dispatchEvent("qd:badge-update",{pageId:n.pageId,state:n.state})})}registerInstructorHandlers(){this.addEventListener("qd:instructor-unlock",t=>{o(`Instructor mode unlocked at ${t.detail.unlockTime}`)}),this.addEventListener("qd:instructor-lock",()=>{o("Instructor mode locked")})}registerDataHandlers(){this.addEventListener("qd:data-cleared",t=>{o(`All data cleared at ${t.detail.timestamp}`),this.dispatchEvent("qd:cache-clear",{})})}addEventListener(t,n){document.addEventListener(t,n);const s=this.listeners.get(t)||[];s.push(n),this.listeners.set(t,s)}dispatchEvent(t,n){const s=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0});document.dispatchEvent(s)}cleanup(){for(const[t,n]of this.listeners)for(const s of n)document.removeEventListener(t,s);this.listeners.clear(),o("Event coordinator cleaned up")}}class SessionCoordinator{constructor(){this.sessionService=new SessionService}initialize(){const t=this.sessionService.getSession();if(t){if(o(`Existing session loaded 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0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId)}getSessionService(){return this.sessionService}} +var SonarQuiz=function(t){"use strict";function n(t){if(t.length<2)return"**";if(2===t.length)return t;return t.slice(0,2)+"*".repeat(t.length-2)}function s(t){if(null===t||"object"!=typeof t)return t;const o={};for(const[r,a]of Object.entries(t))"name"!==r&&"passwordHash"!==r&&(o[r]="serviceId"!==r||"string"!=typeof a?"object"!=typeof a||null===a?a:s(a):n(a));return o}function o(t,n){}function r(t,n){if(n instanceof Error){const s={name:n.name,message:n.message};console.error(`[ERROR] ${t}`,s)}else void 0!==n?console.error(`[ERROR] ${t}`,s(n)):console.error(`[ERROR] ${t}`)}function a(t,n){void 0!==n?console.warn(`[WARN] ${t}`,s(n)):console.warn(`[WARN] ${t}`)}function c(t){const n=[],s=[];if(!t.classList.contains("qd-quiz"))return n.push('Table must have class "qd-quiz"'),{element:t,questions:s,errors:n};const o=Array.from(t.querySelectorAll("tbody tr"));return 0===o.length?(n.push("Quiz table has no data rows"),{element:t,questions:s,errors:n}):(o.forEach((t,o)=>{const r=Array.from(t.querySelectorAll("td"));if(3!==r.length)return void n.push(`Row ${o+1} has ${r.length} columns, expected 3 (Question | Answer | Detail)`);const a=r[0],c=r[1],d=r[2];if(!a||!c||!d)return;const l=a.textContent?.trim()||"";if(!l)return void n.push(`Row ${o+1} has empty question text`);const u=c.textContent?.trim()||"";if(!u)return void n.push(`Row ${o+1} has empty answer`);const h=d.querySelector("ol");if(h){const t=(p=h,Array.from(p.querySelectorAll("li")).map(t=>t.textContent?.trim()||"").filter(t=>t.length>0));if(0===t.length)return void n.push(`Row ${o+1} MCQ has no options in
              `);s.push({text:l,kind:"mcq",correctAnswer:u,options:t})}else{const t=d.textContent?.trim()||"",r=parseFloat(t);if(isNaN(r))return void n.push(`Row ${o+1} appears to be numeric but has invalid tolerance: "${t}"`);s.push({text:l,kind:"numeric",correctAnswer:u,tolerance:r})}var p}),{element:t,questions:s,errors:n.length>0?n:void 0})}function d(t,n){if(!n||""===n.trim())return!1;const s=n.trim();if("mcq"===t.kind)return s===t.correctAnswer;{const n=parseFloat(s),o=parseFloat(t.correctAnswer);if(isNaN(n)||isNaN(o))return!1;const r=t.tolerance??0;return Math.abs(n-o)<=r}}const l=18e5,u={SESSION:"qd/session",CACHE:"qd/state",INSTRUCTOR:"qd/instructor",PIN_ATTEMPTS:"qd:pin-attempts"},h=3,p=3e4;class SessionService{createSession(t,n,s){const o=new Date,r=o.toISOString(),a={serviceId:t,name:n,release:s,loginTime:r,lastActivity:r,expiresAt:new Date(o.getTime()+l).toISOString(),instructorUnlocked:!1};return this.saveSession(a),this.emitEvent("qd:login",{serviceId:t,name:n,release:s,loginTime:r}),a}getSession(){try{const t=sessionStorage.getItem(u.SESSION);if(!t)return null;const n=JSON.parse(t);return n.serviceId&&n.release&&n.expiresAt?n:(a("Invalid session data, missing required fields"),null)}catch(t){return r("Failed to parse session data",t),null}}updateActivity(){const t=this.getSession();if(!t)return;const n=new Date;t.lastActivity=n.toISOString(),t.expiresAt=new Date(n.getTime()+l).toISOString(),this.saveSession(t)}isExpired(){const t=this.getSession();return!t||function(t,n=new Date){const s=new Date(t);return!!isNaN(s.getTime())||n>=s}(t.expiresAt)}clearSession(){const t=this.getSession();sessionStorage.removeItem(u.SESSION),sessionStorage.removeItem(u.CACHE),sessionStorage.removeItem(u.INSTRUCTOR),sessionStorage.removeItem("qd/instructor/showAnswers"),t&&(t.serviceId,this.emitEvent("qd:logout",{serviceId:t.serviceId,timestamp:(new Date).toISOString()}))}unlockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!0,t.unlockTime=(new Date).toISOString(),this.saveSession(t),this.emitEvent("qd:instructor-unlock",{timestamp:t.unlockTime}))}lockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!1,delete t.unlockTime,this.saveSession(t),this.emitEvent("qd:instructor-lock",{timestamp:(new Date).toISOString()}))}isInstructorUnlocked(){const t=this.getSession();return!0===t?.instructorUnlocked}getCache(){try{const t=sessionStorage.getItem(u.CACHE);return t?JSON.parse(t):null}catch(t){return r("Failed to parse cache data",t),null}}saveCache(t){try{sessionStorage.setItem(u.CACHE,JSON.stringify(t))}catch(n){r("Failed to save cache",n)}}clearCache(){sessionStorage.removeItem(u.CACHE)}saveSession(t){try{sessionStorage.setItem(u.SESSION,JSON.stringify(t))}catch(n){r("Failed to save session",n)}}emitEvent(t,n){try{const s=new CustomEvent(t,{detail:n,bubbles:!0});document.dispatchEvent(s)}catch(s){r(`Failed to emit event ${t}`,s)}}}function m(t,n){const s=n.answers.length,o=n.answers.filter(t=>""!==t.answer.trim()).length,r=n.answers.filter(t=>t.success).length;return{state:n.state,total:s,answered:o,correct:r,last:n.lastAttempted,answers:n.answers,analysis:n.analysis}}function g(t){return function(t,n="display"){if(null==t)return console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date";const s="string"==typeof t?new Date(t):t;return isNaN(s.getTime())?(console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date"):"csv"===n?function(t){return t.toISOString()}(s):function(t){return`${t.toLocaleDateString("en-US",{month:"short"})} ${t.getDate()} ${t.getHours().toString().padStart(2,"0")}:${t.getMinutes().toString().padStart(2,"0")}`}(s)}(t,"display")}class Debouncer{constructor(){this.timers=new Map}debounce(t,n,s=200){const o=this.timers.get(t);void 0!==o&&clearTimeout(o);const r=setTimeout(()=>{this.timers.delete(t),n()},s);this.timers.set(t,r)}cancel(t){const n=this.timers.get(t);return void 0!==n&&(clearTimeout(n),this.timers.delete(t),!0)}cancelAll(){let t=0;for(const n of this.timers.values())clearTimeout(n),t++;return this.timers.clear(),t}isPending(t){return this.timers.has(t)}getPendingCount(){return this.timers.size}}function f(t){const n=t.querySelector("tbody");return n?Array.from(n.querySelectorAll("tr")):[]}function b(t){return Array.from(t.cells)}function v(t){return t&&t.textContent?.trim()||""}function y(t,n,s){return document.createElement(t)}function w(t,...n){t.classList.add(...n)}function S(t,...n){t.classList.remove(...n)}function x(t,n,s){const o=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0,cancelable:!1});return document.dispatchEvent(o)}function E(t,n,s,o){const r=new CustomEvent(n,{detail:s,bubbles:!0,composed:!0,cancelable:!1});return t.dispatchEvent(r)}function C(t){try{const n=sessionStorage.getItem(t);return n?JSON.parse(n):null}catch(n){return a(`Failed to parse JSON from sessionStorage key: ${t}`,n),null}}function $(t,n){try{const s=JSON.stringify(n);return sessionStorage.setItem(t,s),!0}catch(s){return a(`Failed to store JSON in sessionStorage key: ${t}`,s),!1}}function q(){const t=[];for(let n=0;n{let s,o=!1;const c=()=>{s&&(clearTimeout(s),s=void 0)};s=window.setTimeout(()=>{if(o)return;o=!0,this.initPromise=null,a("IndexedDB open timed out after 5000ms - attempting recovery");const s=indexedDB.deleteDatabase(this.dbName);s.onsuccess=()=>{this.init().then(t).catch(n)},s.onerror=()=>{n(new StorageError(`Database "${this.dbName}" appears corrupted. Please clear site data in browser settings.`,"init"))},s.onblocked=()=>{n(new StorageError("Cannot recover database - close all other tabs with this site and reload.","init"))}},5e3);const d=indexedDB.open(this.dbName,3);d.onerror=()=>{o||(o=!0,c(),r(`IndexedDB open error: ${d.error?.message||"unknown"}`),this.initPromise=null,n(new StorageError("Failed to open database","init",d.error)))},d.onblocked=()=>{a("IndexedDB open blocked - close other tabs with this database")},d.onsuccess=()=>{if(!o){if(o=!0,c(),this.db=d.result,!this.db.objectStoreNames.contains(T)||!this.db.objectStoreNames.contains(P)||!this.db.objectStoreNames.contains(O)){a(`Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(", ")}]`),this.db.close(),this.db=null;const s=indexedDB.deleteDatabase(this.dbName);return s.onsuccess=()=>{this.initPromise=null,this.init().then(t).catch(n)},void(s.onerror=()=>{this.initPromise=null,n(new StorageError("Failed to delete corrupted database","init",s.error))})}this.initPromise=null,t()}},d.onupgradeneeded=t=>{const n=t.target.result,s=t.target.transaction;s&&(s.onerror=()=>{r(`Upgrade transaction error: ${s.error?.message||"unknown"}`)},s.onabort=()=>{r(`Upgrade transaction aborted: ${s.error?.message||"unknown"}`)});try{if(!n.objectStoreNames.contains(T)){const t=n.createObjectStore(T,{keyPath:null});t.createIndex("by-release","release",{unique:!1}),t.createIndex("by-service-id","serviceId",{unique:!1})}if(!n.objectStoreNames.contains(P)){const t=n.createObjectStore(P,{keyPath:null});t.createIndex("by-original-key","originalKey",{unique:!1}),t.createIndex("by-timestamp","timestamp",{unique:!1})}if(!n.objectStoreNames.contains(O)){const t=n.createObjectStore(O,{keyPath:"eventId"});t.createIndex("by-service-id","serviceId",{unique:!1}),t.createIndex("by-reset-at","resetAt",{unique:!1})}}catch(o){throw r("Error during database upgrade",o),o}}}),this.initPromise)}ensureInitialized(){if(!this.db)throw new StorageNotInitializedError("ensureInitialized");return this.db}async getStudent(t,n){const s=this.ensureInitialized(),o=A(t,n);return new Promise((t,n)=>{try{const r=s.transaction(T,"readonly"),a=r.objectStore(T).get(o);a.onsuccess=()=>{t(a.result||null)},a.onerror=()=>{n(new StorageError("Failed to get student record","getStudent",a.error))}}catch(r){n(new StorageError("Failed to get student record","getStudent",r))}})}async saveStudent(t){const n=this.ensureInitialized(),s=A(t.release,t.serviceId);return new Promise((o,r)=>{try{const a=n.transaction(T,"readwrite"),c=a.objectStore(T).put(t,s);c.onsuccess=()=>{o()},c.onerror=()=>{"QuotaExceededError"===c.error?.name?r(new StorageQuotaError("saveStudent")):r(new StorageError("Failed to save student record","saveStudent",c.error))},a.onerror=()=>{r(new StorageError("Transaction failed while saving student","saveStudent",a.error))}}catch(a){r(new StorageError("Failed to save student record","saveStudent",a))}})}async getStudentsByRelease(t){const n=this.ensureInitialized();return new Promise((s,o)=>{try{const r=n.transaction(T,"readonly").objectStore(T),a=r.index("by-release").getAll(t);a.onsuccess=()=>{s(a.result||[])},a.onerror=()=>{o(new StorageError("Failed to get students by release","getStudentsByRelease",a.error))}}catch(r){o(new StorageError("Failed to get students by release","getStudentsByRelease",r))}})}async clearAll(){const t=this.ensureInitialized();return new Promise((n,s)=>{try{const 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saveStudentRecord(t){try{t.updated=(new Date).toISOString();const n=function(t){let n=0,s=0;for(const o in t){const r=t[o];if(r&&r.answers&&Array.isArray(r.answers)){const t=r.answers.filter(t=>""!==t.answer.trim());n+=t.length,s+=t.filter(t=>t.success).length}}return{attempted:n,correct:s}}(t.pages);t.attempted=n.attempted,t.correct=n.correct,await this.adapter.saveStudent(t),t.serviceId}catch(n){throw r("Failed to save student record",n),n}}updateRecordWithAnswer(t,n,s,o,r){const a=t.pages[n]||{answers:[],state:"unstarted"};for(;a.answers.length<=s;)a.answers.push({answer:"",success:!1,timestamp:(new Date).toISOString()});a.answers[s]=o;const c=(new Date).toISOString();return a.firstAttempted||(a.firstAttempted=c),a.lastAttempted=c,a.state=j(a.answers,r),{...t,pages:{...t.pages,[n]:a}}}buildCache(t){return function(t){const n={totals:{total:0,answered:0,correct:0},pages:{}};for(const[s,o]of Object.entries(t.pages)){const t=m(0,o);n.pages[s]=t,n.totals.total+=t.total,n.totals.answered+=t.answered,n.totals.correct+=t.correct}return n}(t)}async getStudentsByRelease(t){try{return await this.adapter.getStudentsByRelease(t)}catch(n){throw r("Failed to get students by release",n),n}}async clearAll(){try{await this.adapter.clearAll()}catch(t){throw r("Failed to clear all data",t),t}}async backup(t){try{await this.adapter.backup(t),t.serviceId}catch(n){a(`Failed to create backup for ${t.serviceId}`,n)}}}let F=null,B=null;function V(t){if(F&&!t)return F;if(F&&t&&B!==t)return a(`Storage service already initialized with dbName="${B}", ignoring new dbName="${t}"`),F;if(!F){if(!t)throw new Error("FATAL: dbName is required for first getStorageService() call");F=new StorageService(t),B=t}return F}const Q=Object.freeze(Object.defineProperty({__proto__:null,StorageService:StorageService,getStorageService:V},Symbol.toStringTag,{value:"Module"})),K=new WeakMap;function W(t,n){const s=K.get(t);let 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v;try{v=await b.loadStudentRecord(m)}catch(A){return void a("Failed to load student record, answer not saved",A)}const y=l.questions.length,w=b.updateRecordWithAnswer(v,c,s,f,y);try{await b.saveStudentRecord(w)}catch(A){a("Failed to save student record to IndexedDB",A)}const S=b.buildCache(w);$(u.CACHE,S);const E=t.querySelector(`tbody tr:nth-child(${s+1})`);if(E){const t=E.querySelector("td:nth-child(2)");t&&J(t,g)}x("qd:answer-saved",{pageId:c,answer:f});const q=w.pages[c];q&&x("qd:state-changed",{pageId:c,state:q.state})}(t,n,s,o)},200)}(t,n,o,v.value)})}),n.inputs=b;const v=()=>{X(t,n)},E=()=>{ee(t)};document.addEventListener("qd:instructor-show-answers",v),document.addEventListener("qd:instructor-hide-answers",E);const q="true"===sessionStorage.getItem(u.INSTRUCTOR),A="true"===sessionStorage.getItem("qd/instructor/showAnswers");q&&A&&X(t,n);const T=()=>{t.querySelectorAll("td.qd-answer-correct, 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Students need to log in and answer questions first.");const r=t.querySelector("tbody");if(!r)return;const c=Array.from(r.querySelectorAll("tr"));o.questions.forEach((t,o)=>{const r=c[o];if(!r)return;const a=Array.from(r.querySelectorAll("td"))[1];if(!a)return;const d=a.querySelector(".qd-student-answers");d&&d.remove();const l=function(t,n,s){const o=[];for(const r of t){const t=r.pages[n];if(!t||!t.answers)continue;const a=t.answers[s];a&&o.push({name:r.name,maskedServiceId:r.serviceId.slice(-4),answer:a.answer,success:a.success,formattedTimestamp:g(a.timestamp),cssClass:a.success?"qd-correct":"qd-incorrect"})}return o}(n,s,o);if(l.length>0){const t=document.createElement("div");t.className="qd-student-answers",l.forEach(n=>{const s=document.createElement("div");s.className=`qd-student-answer ${n.cssClass}`,s.innerHTML=`\n ${n.name} (${n.maskedServiceId}):\n ${n.answer}\n ${n.formattedTimestamp}\n `,t.appendChild(s)}),a.appendChild(t)}}),n.length}catch(l){r("Failed to load student 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R${t}C${s} is no longer editable`))}),w(t,"qd-analysis-interactive"),!0}(t,o):function(t){w(t,"qd-analysis-non-interactive");const n=()=>{!async function(t){const n=ie.get(t);if(!n)return void a("Cannot show student entries: table not enhanced");const s=n.pageId||function(){const t=document.body.dataset.pageId;if(t)return t;const n=window.location.pathname,s=(n.split("/").pop()||"").replace(".html","");return s||void 0}();if(!s)return void a("Cannot show student entries: page ID not found");const o=C(u.SESSION);if(!o)return void a("Cannot show student entries: no active session");const c=V();let d;try{d=await c.getStudentsByRelease(o.release)}catch(m){return void r("Failed to load students for instructor view:",m)}const l=function(t,n){const s={};return t.forEach(t=>{const o=t.pages[n];if(!o||!o.analysis)return;const{cells:r}=o.analysis,a=o.analysis.lastEdited||t.updated;Object.entries(r).forEach(([n,o])=>{s[n]||(s[n]=[]),s[n].push({serviceId:t.serviceId,name:t.name,content:o,timestamp:a})})}),s}(d,s),{editableCells:h}=n.parsed,p=f(t);h.forEach(({row:t,col:n,key:s})=>{const o=p[t];if(!o)return;const r=b(o)[n];if(!r)return;const a=function(t){const n=document.createElement("div");if(n.className="qd-student-entries",0===t.length)return n.className+=" qd-no-entries",n.textContent="(No entries yet)",n.style.cssText="color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;",n;const s=function(t){return[...t].sort((t,n)=>{const s=new Date(t.timestamp).getTime();return new Date(n.timestamp).getTime()-s})}(t);return s.forEach(t=>{const s=document.createElement("div");s.className="qd-entry",s.style.cssText="padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;";const o=t.serviceId.slice(-4),r=g(t.timestamp),a=document.createElement("span");a.style.cssText="font-weight: 600; color: #374151;",a.textContent=`${t.name} (${o}) • ${r}: `;const c=document.createElement("span");c.style.cssText="white-space: pre-wrap;",c.textContent=t.content,s.appendChild(a),s.appendChild(c),n.appendChild(s)}),n.style.cssText="margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;",n}(l[s]||[]);a.setAttribute("data-qd-student-entries","true");const c=r.querySelector("[data-qd-student-entries]");c&&c.remove(),r.appendChild(a)}),h.length}(t)},s=()=>{ce(t)};return document.addEventListener("qd:instructor-show-answers",n),document.addEventListener("qd:instructor-hide-answers",s),!0}(t)}function ce(t){t.querySelectorAll("[data-qd-student-entries]").forEach(t=>t.remove())}class EventCoordinator{constructor(){this.listeners=new Map}initialize(){this.registerLoginHandlers(),this.registerLogoutHandlers(),this.registerAnswerHandlers(),this.registerStateHandlers(),this.registerInstructorHandlers(),this.registerDataHandlers()}registerLoginHandlers(){this.addEventListener("qd:login",t=>{(async()=>{const n=t.detail;if(n.serviceId,n.name,"INSTRUCTOR"===n.serviceId)return;const s=C(u.SESSION);if(!s)return;const o=V();let r,a;try{r=await o.loadStudentRecord(s),await o.saveStudentRecord(r),a=o.buildCache(r),$(u.CACHE,a),a.totals.total}catch{$(u.CACHE,{totals:{total:0,answered:0,correct:0},pages:{}})}this.dispatchEvent("qd:cache-rebuild",{}),this.upgradeTablesAfterLogin()})()})}upgradeTablesAfterLogin(){const t=window.location.pathname,n=t.substring(t.lastIndexOf("/")+1).replace(/\.html?$/i,"");if(!n)return;if("true"===sessionStorage.getItem(u.INSTRUCTOR)){return void document.querySelectorAll("table.qd-quiz").forEach(t=>{const s=Z(t);if(!s)return;s.pageId=n;t.querySelectorAll("td:nth-child(2), th:nth-child(2)").forEach(t=>{t.classList.remove("qd-hidden")});t.querySelectorAll("tbody td:nth-child(2)").forEach((t,n)=>{const o=s.parsed.questions[n];o&&t instanceof HTMLTableCellElement&&(t.textContent=o.correctAnswer)});t.querySelectorAll("td:nth-child(3), th:nth-child(3)").forEach(t=>t.classList.remove("qd-hidden"));const o=()=>{X(t,s)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",()=>{ee(t)});"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}const s=document.querySelectorAll("table.qd-quiz");s.length>0&&(s.length,s.forEach(t=>{W(t,{interactive:!0,pageId:n})}));const o=document.querySelectorAll("table.qd-analysis");o.length>0&&(o.length,o.forEach(t=>{ae(t,{interactive:!0,pageId:n})}))}registerLogoutHandlers(){this.addEventListener("qd:logout",t=>{t.detail.serviceId;document.querySelectorAll("table.qd-quiz").forEach(t=>{!function(t){const n=K.get(t);n&&(n.interactive=!1,n.pageId=void 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n=t.detail;n.pageId,n.state,this.dispatchEvent("qd:badge-update",{pageId:n.pageId,state:n.state})})}registerInstructorHandlers(){this.addEventListener("qd:instructor-unlock",t=>{t.detail.unlockTime}),this.addEventListener("qd:instructor-lock",()=>{})}registerDataHandlers(){this.addEventListener("qd:data-cleared",t=>{t.detail.timestamp,this.dispatchEvent("qd:cache-clear",{})})}addEventListener(t,n){document.addEventListener(t,n);const s=this.listeners.get(t)||[];s.push(n),this.listeners.set(t,s)}dispatchEvent(t,n){const s=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0});document.dispatchEvent(s)}cleanup(){for(const[t,n]of this.listeners)for(const s of n)document.removeEventListener(t,s);this.listeners.clear()}}class SessionCoordinator{constructor(){this.sessionService=new SessionService}initialize(){const t=this.sessionService.getSession();if(t){if(t.serviceId,this.sessionService.isExpired())return a("Session expired, clearing"),void 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              @@ -1164,13 +1164,13 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ color: #666; font-style: italic; } - `,yn([ht({type:Boolean,reflect:!0})],wn.prototype,"open",2),yn([ht({type:Array})],wn.prototype,"students",2),yn([pt()],wn.prototype,"expandedStudents",2),wn=yn([ct("qd-scores-modal")],wn);var Sn=Object.defineProperty,xn=Object.getOwnPropertyDescriptor,En=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?xn(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Sn(n,s,a),a};let $n=class extends at{constructor(){super(...arguments),this.students=[],this.showModal=!1,this.handleClose=()=>{this.dispatchEvent(new CustomEvent("close"))}}render(){return Ye` + `,yn([ht({type:Boolean,reflect:!0})],wn.prototype,"open",2),yn([ht({type:Array})],wn.prototype,"students",2),yn([pt()],wn.prototype,"expandedStudents",2),wn=yn([dt("qd-scores-modal")],wn);var Sn=Object.defineProperty,xn=Object.getOwnPropertyDescriptor,En=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?xn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Sn(n,s,a),a};let Cn=class extends at{constructor(){super(...arguments),this.students=[],this.showModal=!1,this.handleClose=()=>{this.dispatchEvent(new CustomEvent("close"))}}render(){return Ye` - `}};$n.styles=un,En([ht({type:Array})],$n.prototype,"students",2),En([ht({type:Boolean})],$n.prototype,"showModal",2),$n=En([ct("qd-instructor-scores")],$n);var Cn=Object.defineProperty,qn=Object.getOwnPropertyDescriptor,In=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?qn(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Cn(n,s,a),a};let An=class extends at{constructor(){super(...arguments),this.students=[],this.handleExport=()=>{const t=this.generateCSV(),n=new Blob([t],{type:"text/csv;charset=utf-8;"}),s=URL.createObjectURL(n),o=document.createElement("a");o.href=s;const r=(new Date).toISOString().replace(/[:.]/g,"-").slice(0,19);o.download=`quiz-data-${r}.csv`,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(s)}}escapeCSVField(t){const n=String(t);return n.includes(",")||n.includes('"')||n.includes("\n")?`"${n.replace(/"/g,'""')}"`:n}generateCSV(){const t=[];t.push("Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp");for(const n of this.students)for(const[s,o]of Object.entries(n.pages)){(o.answers||[]).forEach((o,r)=>{o&&t.push([this.escapeCSVField(n.serviceId),this.escapeCSVField(n.name),this.escapeCSVField(n.release),this.escapeCSVField(s),this.escapeCSVField(r),this.escapeCSVField(o.answer),this.escapeCSVField(o.success),this.escapeCSVField(o.timestamp)].join(","))})}return t.join("\n")}render(){const t=this.students.length>0&&this.students.some(t=>t.attempted>0),n=t?`Export ${this.students.length} student${1===this.students.length?"":"s"} to CSV`:this.students.length>0?"No answers to export (students have not answered any questions)":"No data to export";return Ye` + `}};Cn.styles=un,En([ht({type:Array})],Cn.prototype,"students",2),En([ht({type:Boolean})],Cn.prototype,"showModal",2),Cn=En([dt("qd-instructor-scores")],Cn);var $n=Object.defineProperty,qn=Object.getOwnPropertyDescriptor,In=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?qn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&$n(n,s,a),a};let An=class extends at{constructor(){super(...arguments),this.students=[],this.handleExport=()=>{const t=this.generateCSV(),n=new Blob([t],{type:"text/csv;charset=utf-8;"}),s=URL.createObjectURL(n),o=document.createElement("a");o.href=s;const r=(new Date).toISOString().replace(/[:.]/g,"-").slice(0,19);o.download=`quiz-data-${r}.csv`,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(s)}}escapeCSVField(t){const n=String(t);return n.includes(",")||n.includes('"')||n.includes("\n")?`"${n.replace(/"/g,'""')}"`:n}generateCSV(){const t=[];t.push("Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp");for(const n of this.students)for(const[s,o]of Object.entries(n.pages)){(o.answers||[]).forEach((o,r)=>{o&&t.push([this.escapeCSVField(n.serviceId),this.escapeCSVField(n.name),this.escapeCSVField(n.release),this.escapeCSVField(s),this.escapeCSVField(r),this.escapeCSVField(o.answer),this.escapeCSVField(o.success),this.escapeCSVField(o.timestamp)].join(","))})}return t.join("\n")}render(){const t=this.students.length>0&&this.students.some(t=>t.attempted>0),n=t?`Export ${this.students.length} student${1===this.students.length?"":"s"} to CSV`:this.students.length>0?"No answers to export (students have not answered any questions)":"No data to export";return Ye` - `}};An.styles=un,In([ht({type:Array})],An.prototype,"students",2),An=In([ct("qd-instructor-export")],An);var kn=Object.defineProperty,Tn=Object.getOwnPropertyDescriptor,Pn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Tn(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&kn(n,s,a),a};let On=class extends at{constructor(){super(...arguments),this.showConfirmDialog=!1,this.confirmText="",this.error="",this.success="",this.modalContainer=null,this.handleClearRequest=()=>{this.showConfirmDialog=!0,this.confirmText="",this.error="",this.success=""},this.handleCancelClear=()=>{this.showConfirmDialog=!1,this.confirmText="",this.error=""},this.handleConfirmInput=t=>{const n=t.target;this.confirmText=n.value},this.handleConfirmClear=()=>{if("DELETE ALL DATA"===this.confirmText)try{q(),E(this,"qd:data-cleared",{}),this.success="All quiz data cleared successfully",this.showConfirmDialog=!1,this.confirmText="",this.error="",setTimeout(()=>{this.success=""},3e3)}catch{this.error="Failed to clear data"}else this.error="Confirmation text does not match"}}disconnectedCallback(){super.disconnectedCallback(),this.removeModalFromBody()}updated(t){super.updated(t),t.has("showConfirmDialog")&&(this.showConfirmDialog?this.renderModalToBody():this.removeModalFromBody()),this.showConfirmDialog&&(t.has("confirmText")||t.has("error"))&&this.renderModalToBody()}renderModalToBody(){this.modalContainer||(this.modalContainer=document.createElement("div"),this.modalContainer.className="qd-manage-modal-container",document.body.appendChild(this.modalContainer)),rt(this.renderConfirmDialog(),this.modalContainer)}removeModalFromBody(){this.modalContainer&&(this.modalContainer.remove(),this.modalContainer=null)}render(){return Ye` + `}};An.styles=un,In([ht({type:Array})],An.prototype,"students",2),An=In([dt("qd-instructor-export")],An);var kn=Object.defineProperty,Tn=Object.getOwnPropertyDescriptor,Pn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Tn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&kn(n,s,a),a};let On=class extends at{constructor(){super(...arguments),this.showConfirmDialog=!1,this.confirmText="",this.error="",this.success="",this.modalContainer=null,this.handleClearRequest=()=>{this.showConfirmDialog=!0,this.confirmText="",this.error="",this.success=""},this.handleCancelClear=()=>{this.showConfirmDialog=!1,this.confirmText="",this.error=""},this.handleConfirmInput=t=>{const n=t.target;this.confirmText=n.value},this.handleConfirmClear=()=>{if("DELETE ALL DATA"===this.confirmText)try{q(),E(this,"qd:data-cleared",{}),this.success="All quiz data cleared successfully",this.showConfirmDialog=!1,this.confirmText="",this.error="",setTimeout(()=>{this.success=""},3e3)}catch{this.error="Failed to clear data"}else this.error="Confirmation text does not match"}}disconnectedCallback(){super.disconnectedCallback(),this.removeModalFromBody()}updated(t){super.updated(t),t.has("showConfirmDialog")&&(this.showConfirmDialog?this.renderModalToBody():this.removeModalFromBody()),this.showConfirmDialog&&(t.has("confirmText")||t.has("error"))&&this.renderModalToBody()}renderModalToBody(){this.modalContainer||(this.modalContainer=document.createElement("div"),this.modalContainer.className="qd-manage-modal-container",document.body.appendChild(this.modalContainer)),rt(this.renderConfirmDialog(),this.modalContainer)}removeModalFromBody(){this.modalContainer&&(this.modalContainer.remove(),this.modalContainer=null)}render(){return Ye`
              - `}};On.styles=un,Pn([pt()],On.prototype,"showConfirmDialog",2),Pn([pt()],On.prototype,"confirmText",2),Pn([pt()],On.prototype,"error",2),Pn([pt()],On.prototype,"success",2),On=Pn([ct("qd-instructor-manage")],On);var Nn=Object.defineProperty,_n=Object.getOwnPropertyDescriptor,Ln=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?_n(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Nn(n,s,a),a};let Dn=class extends at{constructor(){super(...arguments),this.students=[],this.open=!1,this.searchText="",this.confirmingStudent=null,this.confirmDialogOpen=!1,this.errorMessage="",this.handleModalClose=()=>{this.confirmDialogOpen||(this.close(),this.dispatchEvent(new CustomEvent("close")))},this.handleSearchInput=t=>{const n=t.target;this.searchText=n.value,this.updateComplete.then(()=>{this.syncContentToPortal()})},this.handleResetClick=t=>{this.confirmingStudent=t,this.confirmDialogOpen=!0},this.handleConfirmReset=()=>{this.confirmingStudent&&this.executeReset(this.confirmingStudent)},this.handleCancelReset=()=>{this.confirmDialogOpen=!1,this.confirmingStudent=null}}set showModal(t){this.open=t}get showModal(){return this.open}get filteredStudents(){if(!this.searchText.trim())return this.students;const t=this.searchText.toLowerCase().trim();return this.students.filter(n=>n.name.toLowerCase().includes(t)||n.serviceId.toLowerCase().includes(t))}close(){this.open=!1,this.confirmingStudent=null,this.confirmDialogOpen=!1,this.searchText="",this.errorMessage=""}show(){this.open=!0}async executeReset(t){try{const s=document.getElementById(wt);if(!s?.textContent?.trim())throw new Error(`Database name not configured. Add dbName to page.`);const o=U(s.textContent.trim());await o.init();const r=(n=t,{...n,pinHash:"",pinResetAt:(new Date).toISOString()});await o.saveStudent(r);const a={eventId:crypto.randomUUID(),serviceId:t.serviceId,resetBy:"instructor",resetAt:(new Date).toISOString(),release:t.release};await o.saveAuditEvent(a);const d=this.students.findIndex(n=>n.serviceId===t.serviceId);d>=0&&(this.students[d]=r,this.students=[...this.students]),this.dispatchEvent(new CustomEvent("qd:pin-reset",{detail:{serviceId:t.serviceId,resetBy:"instructor",timestamp:(new Date).toISOString()},bubbles:!0,composed:!0})),this.confirmDialogOpen=!1,this.confirmingStudent=null,this.errorMessage="",this.updateComplete.then(()=>{this.syncContentToPortal()})}catch(s){console.error("PIN reset error:",s),this.errorMessage="Failed to reset PIN. Please try again.",this.confirmDialogOpen=!1,this.confirmingStudent=null,this.updateComplete.then(()=>{this.syncContentToPortal()})}var n}syncContentToPortal(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector(".student-list");if(!n)return;n.innerHTML="";const s=this.filteredStudents;if(0===s.length){const t=document.createElement("div");t.className="empty-message",t.textContent=this.searchText?"No matching students":"No students found",t.style.cssText="padding: 16px; text-align: center; color: #666; font-size: 12px;",n.appendChild(t)}else s.forEach(t=>{const s=document.createElement("div");s.className="student-item",s.style.cssText="\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n ";const o=document.createElement("div"),r=document.createElement("div");r.className="student-name",r.textContent=t.name,r.style.cssText="font-size: 12px; font-weight: 500;";const a=document.createElement("div");a.className="student-id",a.textContent=`ID: ${t.serviceId}`,a.style.cssText="font-size: 10px; color: #666;";const d=document.createElement("div");d.className="pin-status";const c=t.pinHash&&t.pinHash.length>0;d.textContent=c?"PIN set":"No PIN",d.style.cssText=`font-size: 10px; color: ${c?"#4caf50":"#ff9800"};`,o.appendChild(r),o.appendChild(a),o.appendChild(d);const l=document.createElement("button");l.className="reset-btn",l.textContent="Reset PIN",l.type="button",l.style.cssText="\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n ",l.onclick=()=>this.handleResetClick(t),s.appendChild(o),s.appendChild(l),n.appendChild(s)});let o=t.querySelector(".error-message");if(this.errorMessage){if(!o){o=document.createElement("div"),o.className="error-message";const n=t.querySelector(".qd-modal-body");n?.appendChild(o)}o.textContent=this.errorMessage,o.style.cssText="\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n "}else o?.remove()}setupPortalListeners(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector(".search-input");n&&(n.oninput=this.handleSearchInput,n.focus()),this.syncContentToPortal()}updated(t){t.has("open")&&this.open&&setTimeout(()=>{this.setupPortalListeners()},0),t.has("students")&&this.open&&this.updateComplete.then(()=>{this.syncContentToPortal()})}render(){if(!this.open)return Ze;const t=this.confirmingStudent,n=t?`Reset PIN for ${t.name} (${t.serviceId})?
              They will need to create a new PIN on next login.`:"";return Ye` + `}};On.styles=un,Pn([pt()],On.prototype,"showConfirmDialog",2),Pn([pt()],On.prototype,"confirmText",2),Pn([pt()],On.prototype,"error",2),Pn([pt()],On.prototype,"success",2),On=Pn([dt("qd-instructor-manage")],On);var _n=Object.defineProperty,Nn=Object.getOwnPropertyDescriptor,Ln=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Nn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&_n(n,s,a),a};let Dn=class extends at{constructor(){super(...arguments),this.students=[],this.open=!1,this.searchText="",this.confirmingStudent=null,this.confirmDialogOpen=!1,this.errorMessage="",this.handleModalClose=()=>{this.confirmDialogOpen||(this.close(),this.dispatchEvent(new CustomEvent("close")))},this.handleSearchInput=t=>{const n=t.target;this.searchText=n.value,this.updateComplete.then(()=>{this.syncContentToPortal()})},this.handleResetClick=t=>{this.confirmingStudent=t,this.confirmDialogOpen=!0},this.handleConfirmReset=()=>{this.confirmingStudent&&this.executeReset(this.confirmingStudent)},this.handleCancelReset=()=>{this.confirmDialogOpen=!1,this.confirmingStudent=null}}set showModal(t){this.open=t}get showModal(){return this.open}get filteredStudents(){if(!this.searchText.trim())return this.students;const t=this.searchText.toLowerCase().trim();return this.students.filter(n=>n.name.toLowerCase().includes(t)||n.serviceId.toLowerCase().includes(t))}close(){this.open=!1,this.confirmingStudent=null,this.confirmDialogOpen=!1,this.searchText="",this.errorMessage=""}show(){this.open=!0}async executeReset(t){try{const s=document.getElementById(wt);if(!s?.textContent?.trim())throw new Error(`Database name not configured. Add dbName to page.`);const o=U(s.textContent.trim());await o.init();const r=(n=t,{...n,pinHash:"",pinResetAt:(new Date).toISOString()});await o.saveStudent(r);const a={eventId:crypto.randomUUID(),serviceId:t.serviceId,resetBy:"instructor",resetAt:(new Date).toISOString(),release:t.release};await o.saveAuditEvent(a);const c=this.students.findIndex(n=>n.serviceId===t.serviceId);c>=0&&(this.students[c]=r,this.students=[...this.students]),this.dispatchEvent(new CustomEvent("qd:pin-reset",{detail:{serviceId:t.serviceId,resetBy:"instructor",timestamp:(new Date).toISOString()},bubbles:!0,composed:!0})),this.confirmDialogOpen=!1,this.confirmingStudent=null,this.errorMessage="",this.updateComplete.then(()=>{this.syncContentToPortal()})}catch(s){console.error("PIN reset error:",s),this.errorMessage="Failed to reset PIN. Please try again.",this.confirmDialogOpen=!1,this.confirmingStudent=null,this.updateComplete.then(()=>{this.syncContentToPortal()})}var n}syncContentToPortal(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector(".student-list");if(!n)return;n.innerHTML="";const s=this.filteredStudents;if(0===s.length){const t=document.createElement("div");t.className="empty-message",t.textContent=this.searchText?"No matching students":"No students found",t.style.cssText="padding: 16px; text-align: center; color: #666; font-size: 12px;",n.appendChild(t)}else s.forEach(t=>{const s=document.createElement("div");s.className="student-item",s.style.cssText="\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n ";const o=document.createElement("div"),r=document.createElement("div");r.className="student-name",r.textContent=t.name,r.style.cssText="font-size: 12px; font-weight: 500;";const a=document.createElement("div");a.className="student-id",a.textContent=`ID: ${t.serviceId}`,a.style.cssText="font-size: 10px; color: #666;";const c=document.createElement("div");c.className="pin-status";const d=t.pinHash&&t.pinHash.length>0;c.textContent=d?"PIN set":"No PIN",c.style.cssText=`font-size: 10px; color: ${d?"#4caf50":"#ff9800"};`,o.appendChild(r),o.appendChild(a),o.appendChild(c);const l=document.createElement("button");l.className="reset-btn",l.textContent="Reset PIN",l.type="button",l.style.cssText="\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n ",l.onclick=()=>this.handleResetClick(t),s.appendChild(o),s.appendChild(l),n.appendChild(s)});let o=t.querySelector(".error-message");if(this.errorMessage){if(!o){o=document.createElement("div"),o.className="error-message";const n=t.querySelector(".qd-modal-body");n?.appendChild(o)}o.textContent=this.errorMessage,o.style.cssText="\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n "}else o?.remove()}setupPortalListeners(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector(".search-input");n&&(n.oninput=this.handleSearchInput,n.focus()),this.syncContentToPortal()}updated(t){t.has("open")&&this.open&&setTimeout(()=>{this.setupPortalListeners()},0),t.has("students")&&this.open&&this.updateComplete.then(()=>{this.syncContentToPortal()})}render(){if(!this.open)return Ze;const t=this.confirmingStudent,n=t?`Reset PIN for ${t.name} (${t.serviceId})?
              They will need to create a new PIN on next login.`:"";return Ye` {for(var r,a=o>1?void 0:o?Rn(n,s):n,d=t.length-1;d>=0;d--)(r=t[d])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&zn(n,s,a),a};let Hn=class extends at{constructor(){super(...arguments),this.unlocked=!1,this.showScores=!1,this.students=[],this.showStudentAnswers=!1,this.showPinReset=!1,this.helpOpen=!1,this.handleLoginEvent=t=>{const n=t,s=n.detail?.role;this.updateVisibility(),"instructor"===s&&this.unlock()},this.handleLogoutEvent=()=>{this.updateVisibility(),this.lock()},this.handleResetPins=async()=>{const t=$(u.SESSION);if(t){try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(n){console.error("Failed to load students:",n),this.students=[]}this.showPinReset=!0}},this.handleClosePinReset=()=>{this.showPinReset=!1},this.handlePinReset=()=>{this.dispatchEvent(new CustomEvent("qd:pin-reset",{bubbles:!0,composed:!0}))},this.handleUnlock=()=>{this.unlocked=!0,this.dispatchEvent(new CustomEvent("qd:instructor-unlock",{bubbles:!0,composed:!0}))},this.handleViewScores=async()=>{const t=$(u.SESSION);if(t){try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(n){console.error("Failed to load students:",n),this.students=[]}this.showScores=!0}},this.handleCloseScores=()=>{this.showScores=!1},this.handleDataCleared=()=>{this.dispatchEvent(new CustomEvent("qd:data-cleared",{bubbles:!0,composed:!0})),this.students=[]},this.handleLogout=()=>{const t=$(u.SESSION);(new SessionService).clearSession(),this.dispatchEvent(new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0}))},this.handleToggleStudentAnswers=async t=>{const n=t.target;if(this.showStudentAnswers=n.checked,this.showStudentAnswers&&0===this.students.length){const t=$(u.SESSION);if(t)try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(o){console.error("Failed to load students for toggle:",o)}}const s=this.showStudentAnswers?"qd:instructor-show-answers":"qd:instructor-hide-answers";this.dispatchEvent(new CustomEvent(s,{bubbles:!0,composed:!0})),sessionStorage.setItem("qd/instructor/showAnswers",String(this.showStudentAnswers))},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility();const t="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&this.unlock();const n=sessionStorage.getItem("qd/instructor/showAnswers");null!==n&&(this.showStudentAnswers="true"===n,this.showStudentAnswers&&t&&setTimeout(()=>{this.dispatchEvent(new CustomEvent("qd:instructor-show-answers",{bubbles:!0,composed:!0}))},100)),document.addEventListener("qd:login",this.handleLoginEvent),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:login",this.handleLoginEvent),document.removeEventListener("qd:logout",this.handleLogoutEvent)}updateVisibility(){"true"===sessionStorage.getItem(u.INSTRUCTOR)?this.setAttribute("data-show",""):this.removeAttribute("data-show")}setStudents(t){this.students=t}unlock(){this.unlocked=!0}lock(){this.unlocked=!1,this.showScores=!1,this.showPinReset=!1}render(){return this.unlocked?Ye` + `,Ln([ht({type:Array})],Dn.prototype,"students",2),Ln([ht({type:Boolean,reflect:!0})],Dn.prototype,"open",2),Ln([pt()],Dn.prototype,"searchText",2),Ln([pt()],Dn.prototype,"confirmingStudent",2),Ln([pt()],Dn.prototype,"confirmDialogOpen",2),Ln([pt()],Dn.prototype,"errorMessage",2),Ln([ht({type:Boolean})],Dn.prototype,"showModal",1),Dn=Ln([dt("qd-pin-reset-dialog")],Dn);var zn=Object.defineProperty,Rn=Object.getOwnPropertyDescriptor,Mn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Rn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&zn(n,s,a),a};let Hn=class extends at{constructor(){super(...arguments),this.unlocked=!1,this.showScores=!1,this.students=[],this.showStudentAnswers=!1,this.showPinReset=!1,this.helpOpen=!1,this.handleLoginEvent=t=>{const n=t,s=n.detail?.role;this.updateVisibility(),"instructor"===s&&this.unlock()},this.handleLogoutEvent=()=>{this.updateVisibility(),this.lock()},this.handleResetPins=async()=>{const t=C(u.SESSION);if(t){try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(n){console.error("Failed to load students:",n),this.students=[]}this.showPinReset=!0}},this.handleClosePinReset=()=>{this.showPinReset=!1},this.handlePinReset=()=>{this.dispatchEvent(new CustomEvent("qd:pin-reset",{bubbles:!0,composed:!0}))},this.handleUnlock=()=>{this.unlocked=!0,this.dispatchEvent(new CustomEvent("qd:instructor-unlock",{bubbles:!0,composed:!0}))},this.handleViewScores=async()=>{const t=C(u.SESSION);if(t){try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(n){console.error("Failed to load students:",n),this.students=[]}this.showScores=!0}},this.handleCloseScores=()=>{this.showScores=!1},this.handleDataCleared=()=>{this.dispatchEvent(new CustomEvent("qd:data-cleared",{bubbles:!0,composed:!0})),this.students=[]},this.handleLogout=()=>{const t=C(u.SESSION);(new SessionService).clearSession(),this.dispatchEvent(new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0}))},this.handleToggleStudentAnswers=async t=>{const n=t.target;if(this.showStudentAnswers=n.checked,this.showStudentAnswers&&0===this.students.length){const t=C(u.SESSION);if(t)try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(o){console.error("Failed to load students for toggle:",o)}}const s=this.showStudentAnswers?"qd:instructor-show-answers":"qd:instructor-hide-answers";this.dispatchEvent(new CustomEvent(s,{bubbles:!0,composed:!0})),sessionStorage.setItem("qd/instructor/showAnswers",String(this.showStudentAnswers))},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility();const t="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&this.unlock();const n=sessionStorage.getItem("qd/instructor/showAnswers");null!==n&&(this.showStudentAnswers="true"===n,this.showStudentAnswers&&t&&setTimeout(()=>{this.dispatchEvent(new CustomEvent("qd:instructor-show-answers",{bubbles:!0,composed:!0}))},100)),document.addEventListener("qd:login",this.handleLoginEvent),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:login",this.handleLoginEvent),document.removeEventListener("qd:logout",this.handleLogoutEvent)}updateVisibility(){"true"===sessionStorage.getItem(u.INSTRUCTOR)?this.setAttribute("data-show",""):this.removeAttribute("data-show")}setStudents(t){this.students=t}unlock(){this.unlocked=!0}lock(){this.unlocked=!1,this.showScores=!1,this.showPinReset=!1}render(){return this.unlocked?Ye`
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Array.from(t))try{ae(o,{interactive:!1}),n++}catch(s){a(`Failed to enhance analysis table: ${s.message}`)}o(`Enhanced ${n} of ${t.length} analysis table(s) (non-interactive)`)}(),!1!==t.autoEnhanceHomeBadges&&function(){const t=document.querySelectorAll(".quizPageBtn");if(0===t.length)return void o("No .quizPageBtn links found, skipping badge enhancement");o(`Enhancing home page badges for ${t.length} link(s)...`);try{document.querySelectorAll(".quizPageBtn").forEach(t=>{const n=function(t){const n=t.getAttribute("href");return n&&n.substring(n.lastIndexOf("/")+1).replace(/\.html?$/i,"")||null}(t);n?(t.setAttribute("data-page-id",n),o(`Set data-page-id="${n}" for link: ${t.textContent?.trim()}`)):o(`Failed to extract pageId from href: ${t.getAttribute("href")}`)}),Qn(),document.addEventListener("qd:state-changed",Kn),document.addEventListener("qd:cache-rebuild",Wn),document.addEventListener("qd:logout",Jn),o("Home page badges enhanced with event listeners"),o("Home page badges 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o=()=>{X(t,s)},r=()=>{ee(t)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",r);"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}o(`Existing session detected for ${t.serviceId}, upgrading tables to interactive mode`);const n=V();let s=$(u.CACHE);if(!s){o("Cache not found, rebuilding from IndexedDB...");try{const r=await n.loadStudentRecord(t);s=n.buildCache(r),C(u.CACHE,s),o(`Cache rebuilt from IndexedDB: ${s.totals.total} total questions`)}catch{a("Failed to rebuild cache from IndexedDB, using empty cache"),s={totals:{total:0,answered:0,correct:0},pages:{}},C(u.CACHE,s)}}const r=window.location.pathname,d=r.substring(r.lastIndexOf("/")+1).replace(/\.html?$/i,"");if(!d)return void o("No pageId found, skipping table upgrade");const c=document.querySelectorAll("table.qd-quiz");c.length>0&&(o(`Upgrading ${c.length} quiz table(s) to interactive mode...`),c.forEach(t=>{W(t,{interactive:!0,pageId:d})}));const l=document.querySelectorAll("table.qd-analysis");l.length>0&&(o(`Upgrading ${l.length} analysis table(s) to interactive mode...`),l.forEach(t=>{ae(t,{interactive:!0,pageId:d})}))}(),Yn.initialized=!0,o("Bootstrap complete")}if("undefined"!=typeof window){const t=()=>{o("Auto-initializing Sonar Quiz System");const t=xt();Gn({dbName:t.dbName,statusPanelContainer:t.statusPanelContainer,autoEnhanceQuizTables:!0,autoEnhanceAnalysisTables:!0,autoEnhanceHomeBadges:!0}).catch(t=>{console.error("[FATAL] Bootstrap failed:",t)})};"loading"===document.readyState?document.addEventListener("DOMContentLoaded",()=>{t()}):t()}return t.BUILD_DATE="27/Nov/2025",t.DEFAULT_CONTAINERS=Un,t.Debouncer=Debouncer,t.SCHEMA_VERSION=2,t.SESSION_TIMEOUT_MS=l,t.STORAGE_KEYS=u,t.VERSION="0.1.0-phase3.1",t.bootstrap=Gn,t.calculateCompletionState=j,t.cleanup=function(){Yn.initialized?(o("Cleaning up bootstrap resources..."),Yn.eventCoordinator?.cleanup(),Yn.sessionCoordinator?.cleanup(),Yn.initialized=!1,Yn.eventCoordinator=void 0,Yn.sessionCoordinator=void 0,o("Bootstrap cleanup complete")):a("Bootstrap not initialized, nothing to cleanup")},t.clearQuizData=q,t.enhanceAnalysisTable=ae,t.enhanceQuizTable=W,t.error=r,t.generateCellKey=se,t.generateTableId=ne,t.getAnalysisTableMetadata=function(t){return ie.get(t)},t.getJSON=$,t.getQuizTableMetadata=Z,t.info=o,t.injectComponents=jn,t.isAnalysisTableEnhanced=function(t){return ie.has(t)},t.isCellEditable=oe,t.isInitialized=function(){return Yn.initialized},t.isQuizTableEnhanced=function(t){return K.has(t)},t.parseAnalysisTable=re,t.parseQuizTable=d,t.setJSON=C,t.validateAnswer=c,t.warn=a,Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),t}({}); + `],Mn([pt()],Hn.prototype,"unlocked",2),Mn([pt()],Hn.prototype,"showScores",2),Mn([pt()],Hn.prototype,"students",2),Mn([pt()],Hn.prototype,"showStudentAnswers",2),Mn([pt()],Hn.prototype,"showPinReset",2),Mn([pt()],Hn.prototype,"helpOpen",2),Hn=Mn([dt("qd-instructor")],Hn);const Un={statusPanel:".wh_top_menu_and_indexterms_link"};function jn(t={}){const n=t.statusPanelContainer||Un.statusPanel;!function(t){const n=document.querySelector(t);if(!n)return null;const s=document.createElement("qd-login");n.appendChild(s)}(n),function(t){const n=document.querySelector(t);if(!n)return null;const s=document.createElement("qd-status");n.appendChild(s)}(n),function(t){const n=document.querySelector(t);if(!n)return null;const s=document.createElement("qd-instructor");n.appendChild(s)}(n)}const Fn={red:"qd-badge-red",amber:"qd-badge-amber",green:"qd-badge-green"},Bn={unstarted:"red",incomplete:"amber",complete:"green"};function Vn(t){const n=function(t,n){if(!t||!n?.pages)return"unstarted";const 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t=document.createElement("style");t.id="qd-global-styles",t.textContent="\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: 1rem;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n 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//# sourceMappingURL=sonar-quiz.iife.js.map diff --git a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map index 479c382..069a43a 100644 --- a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map +++ b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map @@ -1 +1 @@ -{"version":3,"file":"sonar-quiz.iife.js","sources":["../src/utils/logger.ts","../src/services/quiz-parser.ts","../src/types/contracts.ts","../src/services/session.ts","../src/utils/calculation-helpers.ts","../src/utils/date-helpers.ts","../src/utils/debouncer.ts","../src/utils/dom-helpers.ts","../src/utils/event-helpers.ts","../src/utils/storage-helpers.ts","../src/services/storage/adapter-utils.ts","../src/services/storage/indexeddb.ts","../src/services/state-calculator.ts","../src/services/storage-service.ts","../src/enhancers/quiz-table.ts","../src/services/question-input.ts","../src/services/answer-display.ts","../src/services/analysis-parser.ts","../src/enhancers/analysis-table.ts","../src/init/event-coordinator.ts","../src/init/session-coordinator.ts","../node_modules/@lit/reactive-element/css-tag.js","../node_modules/@lit/reactive-element/reactive-element.js","../node_modules/lit-html/lit-html.js","../node_modules/lit-element/lit-element.js","../node_modules/@lit/reactive-element/decorators/custom-element.js","../node_modules/@lit/reactive-element/decorators/property.js","../node_modules/@lit/reactive-element/decorators/state.js","../src/config/dom-config-reader.ts","../src/services/auth/pin-service.ts","../src/services/auth/rate-limiter.ts","../src/components/qd-build-info.ts","../src/components/qd-modal.ts","../src/components/qd-password-modal.ts","../node_modules/@lit/reactive-element/decorators/query.js","../node_modules/@lit/reactive-element/decorators/base.js","../node_modules/lit-html/directive.js","../node_modules/lit-html/directives/unsafe-html.js","../src/components/qd-confirm-dialog.ts","../src/components/qd-help-trigger.ts","../src/components/qd-help-popup.ts","../src/config/help-content.ts","../src/components/qd-login.ts","../src/utils/validation-helpers.ts","../src/services/storage/migration.ts","../src/components/qd-status.ts","../src/components/qd-instructor/shared-styles.ts","../src/utils/security.ts","../src/config/instructor-password.ts","../src/components/qd-instructor/qd-instructor-unlock.ts","../src/components/qd-scores-modal.ts","../src/components/qd-instructor/qd-instructor-scores.ts","../src/components/qd-instructor/qd-instructor-export.ts","../src/components/qd-instructor/qd-instructor-manage.ts","../src/components/qd-pin-reset-dialog.ts","../src/components/qd-instructor/qd-instructor.ts","../src/init/component-injector.ts","../src/enhancers/home-badges.ts","../src/init/bootstrap.ts","../src/index.ts"],"sourcesContent":["/**\n * Structured logging with sanitization\n *\n * Provides debug/info/error logging with automatic sanitization of sensitive data.\n * Debug logs are controlled by a runtime flag to prevent production leakage.\n */\n\nimport type { ServiceId } from '../types/contracts.js';\n\n/**\n * Debug mode flag\n *\n * Set to true for development logging, false for production.\n * Can be controlled via data-debug attribute on script tag.\n */\nlet debugEnabled = false;\n\n/**\n * Enable or disable debug logging\n *\n * @param enabled - Whether to enable debug logs\n */\nexport function setDebugMode(enabled: boolean): void {\n debugEnabled = enabled;\n}\n\n/**\n * Check if debug mode is enabled\n */\nexport function isDebugEnabled(): boolean {\n return debugEnabled;\n}\n\n/**\n * Mask sensitive service ID\n *\n * Replaces middle characters with asterisks for privacy.\n *\n * @param serviceId - Service ID to mask\n * @returns Masked service ID (e.g., \"RN2344\" → \"RN****\")\n *\n * @example\n * ```typescript\n * const masked = maskServiceId('RN2344');\n * console.log(masked); // \"RN****\"\n * ```\n */\nexport function maskServiceId(serviceId: ServiceId): string {\n if (serviceId.length < 2) {\n return '**';\n }\n if (serviceId.length === 2) {\n return serviceId; // Keep 2-char IDs unmasked\n }\n const prefix = serviceId.slice(0, 2);\n const suffix = '*'.repeat(serviceId.length - 2);\n return prefix + suffix;\n}\n\n/**\n * Sanitize object by removing or masking sensitive fields\n *\n * Removes: name, passwordHash\n * Masks: serviceId\n *\n * @param obj - Object to sanitize\n * @returns Sanitized copy of object\n *\n * @example\n * ```typescript\n * const data = { serviceId: 'RN2344', name: 'John Doe', score: 95 };\n * const safe = sanitize(data);\n * console.log(safe); // { serviceId: 'RN****', score: 95 }\n * ```\n */\nexport function sanitize(obj: T): Partial {\n if (obj === null || typeof obj !== 'object') {\n return obj;\n }\n\n const sanitized: Record = {};\n\n for (const [key, value] of Object.entries(obj)) {\n // Remove sensitive fields\n if (key === 'name' || key === 'passwordHash') {\n continue;\n }\n\n // Mask service IDs\n if (key === 'serviceId' && typeof value === 'string') {\n sanitized[key] = maskServiceId(value);\n continue;\n }\n\n // Recursively sanitize nested objects\n if (typeof value === 'object' && value !== null) {\n sanitized[key] = sanitize(value);\n continue;\n }\n\n sanitized[key] = value;\n }\n\n return sanitized as Partial;\n}\n\n/**\n * Log debug message (only in debug mode)\n *\n * @param message - Debug message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function debug(message: string, data?: unknown): void {\n if (debugEnabled) {\n if (data !== undefined) {\n // eslint-disable-next-line no-console\n console.log(`[DEBUG] ${message}`, sanitize(data));\n } else {\n // eslint-disable-next-line no-console\n console.log(`[DEBUG] ${message}`);\n }\n }\n}\n\n/**\n * Log info message\n *\n * @param message - Info message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function info(message: string, data?: unknown): void {\n if (data !== undefined) {\n // eslint-disable-next-line no-console\n console.log(`[INFO] ${message}`, sanitize(data));\n } else {\n // eslint-disable-next-line no-console\n console.log(`[INFO] ${message}`);\n }\n}\n\n/**\n * Log error message\n *\n * @param message - Error message\n * @param error - Error object or data\n */\nexport function error(message: string, error?: unknown): void {\n if (error instanceof Error) {\n const errorObj: { name: string; message: string; stack?: string } = {\n name: error.name,\n message: error.message,\n };\n if (debugEnabled && error.stack) {\n errorObj.stack = error.stack;\n }\n console.error(`[ERROR] ${message}`, errorObj);\n } else if (error !== undefined) {\n console.error(`[ERROR] ${message}`, sanitize(error));\n } else {\n console.error(`[ERROR] ${message}`);\n }\n}\n\n/**\n * Log warning message\n *\n * @param message - Warning message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function warn(message: string, data?: unknown): void {\n if (data !== undefined) {\n console.warn(`[WARN] ${message}`, sanitize(data));\n } else {\n console.warn(`[WARN] ${message}`);\n }\n}\n\n/**\n * Logger object with all methods\n */\nexport const logger = {\n setDebugMode,\n isDebugEnabled,\n debug,\n info,\n warn,\n error,\n sanitize,\n maskServiceId,\n};\n","/**\n * Quiz Table Parser\n *\n * Parses DITA-generated HTML quiz tables and extracts question data.\n *\n * Table Structure:\n * - Must have class \"qd-quiz\"\n * - Exactly 3 columns: Question | Answer | Detail\n * - MCQ: Detail column contains
                with options\n * - Numeric: Detail column contains tolerance number\n */\n\nimport type { ParsedQuizTable, QuizQuestion } from '../types/contracts.js';\n\n/**\n * Parse a quiz table and extract question data\n *\n * @param table - HTMLTableElement with class \"qd-quiz\"\n * @returns ParsedQuizTable with questions and any validation errors\n */\nexport function parseQuizTable(table: HTMLTableElement): ParsedQuizTable {\n const errors: string[] = [];\n const questions: QuizQuestion[] = [];\n\n // Validate table has correct class\n if (!table.classList.contains('qd-quiz')) {\n errors.push('Table must have class \"qd-quiz\"');\n return { element: table, questions, errors };\n }\n\n // Get all rows from tbody (skip thead if present)\n const rows = Array.from(table.querySelectorAll('tbody tr'));\n\n if (rows.length === 0) {\n errors.push('Quiz table has no data rows');\n return { element: table, questions, errors };\n }\n\n // Parse each row\n rows.forEach((row, index) => {\n const cells = Array.from(row.querySelectorAll('td'));\n\n // Validate row has exactly 3 columns\n if (cells.length !== 3) {\n errors.push(\n `Row ${index + 1} has ${cells.length} columns, expected 3 (Question | Answer | Detail)`,\n );\n return;\n }\n\n const questionCell = cells[0];\n const answerCell = cells[1];\n const detailCell = cells[2];\n\n if (!questionCell || !answerCell || !detailCell) {\n return;\n }\n\n // Extract question text\n const questionText = questionCell.textContent?.trim() || '';\n if (!questionText) {\n errors.push(`Row ${index + 1} has empty question text`);\n return;\n }\n\n // Extract correct answer\n const correctAnswer = answerCell.textContent?.trim() || '';\n if (!correctAnswer) {\n errors.push(`Row ${index + 1} has empty answer`);\n return;\n }\n\n // Determine question kind and extract additional data\n const olElement = detailCell.querySelector('ol');\n\n if (olElement) {\n // MCQ question - extract options from ordered list\n const options = extractMcqOptions(olElement);\n\n if (options.length === 0) {\n errors.push(`Row ${index + 1} MCQ has no options in
                  `);\n return;\n }\n\n questions.push({\n text: questionText,\n kind: 'mcq',\n correctAnswer,\n options,\n });\n } else {\n // Numeric question - extract tolerance\n const toleranceText = detailCell.textContent?.trim() || '';\n const tolerance = parseFloat(toleranceText);\n\n if (isNaN(tolerance)) {\n errors.push(\n `Row ${index + 1} appears to be numeric but has invalid tolerance: \"${toleranceText}\"`,\n );\n return;\n }\n\n questions.push({\n text: questionText,\n kind: 'numeric',\n correctAnswer,\n tolerance,\n });\n }\n });\n\n return {\n element: table,\n questions,\n errors: errors.length > 0 ? errors : undefined,\n };\n}\n\n/**\n * Extract option text from MCQ ordered list\n *\n * @param ol - The
                    element containing options\n * @returns Array of option strings\n */\nfunction extractMcqOptions(ol: HTMLOListElement): string[] {\n const listItems = Array.from(ol.querySelectorAll('li'));\n return listItems.map((li) => li.textContent?.trim() || '').filter((text) => text.length > 0);\n}\n\n/**\n * Find all quiz tables in the document\n *\n * @param doc - Document to search (defaults to global document)\n * @returns Array of ParsedQuizTable results\n */\nexport function findQuizTables(doc: Document = document): ParsedQuizTable[] {\n const tables = Array.from(doc.querySelectorAll('table.qd-quiz'));\n return tables.map((table) => parseQuizTable(table));\n}\n\n/**\n * Validate answer against question\n *\n * @param question - The quiz question\n * @param answer - The user's answer\n * @returns true if answer is correct\n */\nexport function validateAnswer(question: QuizQuestion, answer: string): boolean {\n if (!answer || answer.trim() === '') {\n return false;\n }\n\n const trimmedAnswer = answer.trim();\n\n if (question.kind === 'mcq') {\n // MCQ: exact match of option number (1-indexed)\n return trimmedAnswer === question.correctAnswer;\n } else {\n // Numeric: within tolerance\n const userValue = parseFloat(trimmedAnswer);\n const correctValue = parseFloat(question.correctAnswer);\n\n if (isNaN(userValue) || isNaN(correctValue)) {\n return false;\n }\n\n const tolerance = question.tolerance ?? 0;\n return Math.abs(userValue - correctValue) <= tolerance;\n }\n}\n","/**\n * Frozen Type Contracts for Sonar Quiz System\n * Version: 1.1.0 (Fixed PageCache with answers field)\n *\n * These types are FROZEN and must not be modified without version bump.\n * Any changes require migration strategy and backwards compatibility.\n *\n * Changelog:\n * - 1.1.0: Added missing `answers` field to PageCache (fixes 78 eslint-disable comments)\n * - 1.0.0: Initial contracts\n */\n\n// ============================================================================\n// CORE IDENTIFIERS\n// ============================================================================\n\n/** Release identifier format: \"MM-YYYY\" */\nexport type ReleaseId = string;\n\n/** Service ID for student identification */\nexport type ServiceId = string;\n\n/** Page identifier from DITA document */\nexport type PageId = string;\n\n/** Table identifier (16-char hash based on table structure: rows x cols + class name) */\nexport type TableId = string;\n\n/** Cell key format: \"R{row}C{col}#f:{hash}\" where hash is 8-char from normalized content */\nexport type CellKey = string;\n\n// ============================================================================\n// ENUMERATIONS\n// ============================================================================\n\n/** Page completion state */\nexport type CompletionState = 'unstarted' | 'incomplete' | 'complete';\n\n/** Question type in quiz */\nexport type QuestionKind = 'mcq' | 'numeric';\n\n// ============================================================================\n// QUIZ ENTITIES\n// ============================================================================\n\n/** Individual quiz answer with correctness */\nexport interface AnswerRecord {\n /** User's answer value */\n answer: string;\n /** Whether the answer is correct */\n success: boolean;\n /** Timestamp when answer was submitted (ISO 8601) */\n timestamp: string;\n}\n\n/** Quiz question definition */\nexport interface QuizQuestion {\n /** Question text */\n text: string;\n /** Question type */\n kind: QuestionKind;\n /** Correct answer */\n correctAnswer: string;\n /** MCQ options (for mcq type) */\n options?: string[];\n /** Numeric tolerance (for numeric type) */\n tolerance?: number;\n}\n\n// ============================================================================\n// ANALYSIS ENTITIES\n// ============================================================================\n\n/** Analysis table data */\nexport interface AnalysisData {\n /** Unique table identifier */\n tableId: TableId;\n /** Cell key to content mapping */\n cells: Record;\n /** First edit timestamp (ISO 8601) */\n firstEdited?: string;\n /** Last edit timestamp (ISO 8601) */\n lastEdited?: string;\n}\n\n// ============================================================================\n// PAGE DATA\n// ============================================================================\n\n/** Student's data for a specific page */\nexport interface PageData {\n /** Array of quiz answers */\n answers: AnswerRecord[];\n /** Calculated completion state */\n state: CompletionState;\n /** First attempt timestamp (ISO 8601) */\n firstAttempted?: string;\n /** Last attempt timestamp (ISO 8601) */\n lastAttempted?: string;\n /** Analysis table data if present */\n analysis?: AnalysisData;\n}\n\n// ============================================================================\n// STUDENT RECORD\n// ============================================================================\n\n/** Complete student progress record */\nexport interface StudentRecord {\n /** Schema version for migrations */\n schema: number;\n /** Document identifier */\n docId: string;\n /** Release version */\n release: ReleaseId;\n /** Student service ID */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Total questions attempted */\n attempted: number;\n /** Total correct answers */\n correct: number;\n /** Last update timestamp (ISO 8601) */\n updated: string;\n /** Page data by page ID */\n pages: Record;\n\n // PIN Authentication (v2)\n /** SHA-256 hash of 4-digit PIN */\n pinHash?: string;\n /** ISO 8601 timestamp when PIN was created */\n pinCreatedAt?: string;\n /** ISO 8601 timestamp when PIN was last reset */\n pinResetAt?: string;\n}\n\n// ============================================================================\n// PIN AUTHENTICATION (v2)\n// ============================================================================\n\n/** Rate limiting state for PIN attempts (stored in sessionStorage) */\nexport interface PinAttemptState {\n /** Student identifier */\n serviceId: ServiceId;\n /** Failed attempt count (0-3) */\n attempts: number;\n /** ISO 8601 timestamp when lockout expires, or null */\n lockoutUntil: string | null;\n /** ISO 8601 timestamp of last attempt */\n lastAttempt: string;\n}\n\n/** Audit trail for instructor PIN resets (stored in IndexedDB) */\nexport interface PinResetEvent {\n /** UUID v4 */\n eventId: string;\n /** Student affected */\n serviceId: ServiceId;\n /** Actor type */\n resetBy: 'instructor';\n /** ISO 8601 timestamp */\n resetAt: string;\n /** Context */\n release: ReleaseId;\n}\n\n// ============================================================================\n// SESSION MANAGEMENT\n// ============================================================================\n\n/**\n * Active session data\n *\n * Note: serviceId and release are duplicated from the storage key\n * for convenient access without requiring a storage lookup\n */\nexport interface SessionData {\n /** Student service ID (duplicated from storage key) */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Current release (duplicated from storage key) */\n release: ReleaseId;\n /** Login timestamp (ISO 8601) */\n loginTime: string;\n /** Last activity timestamp (ISO 8601) */\n lastActivity: string;\n /** Session expiry timestamp (ISO 8601) */\n expiresAt: string;\n /** Whether instructor mode is unlocked */\n instructorUnlocked: boolean;\n /** Instructor unlock timestamp (ISO 8601) */\n unlockTime?: string;\n}\n\n/**\n * Cached page state for performance\n *\n * CRITICAL FIX: Added `answers` field to fix type safety issues\n * This was missing in v1.0.0, causing 78 eslint-disable comments\n */\nexport interface PageCache {\n /** Page completion state */\n state: CompletionState;\n /** Total number of questions registered on this page */\n total: number;\n /** Number of questions answered */\n answered: number;\n /** Number of correct answers */\n correct: number;\n /** Last update timestamp (ISO 8601) */\n last?: string;\n /** Answer records (ADDED in v1.1.0) */\n answers?: AnswerRecord[];\n /** Analysis table data if present (ADDED in v1.2.0) */\n analysis?: AnalysisData;\n}\n\n/** Session cache for quick access */\nexport interface SessionCache {\n /** Aggregated totals */\n totals: {\n total: number;\n answered: number;\n correct: number;\n };\n /** Per-page cache */\n pages: Record;\n}\n\n// ============================================================================\n// INSTRUCTOR FEATURES\n// ============================================================================\n\n/** Student summary for instructor view */\nexport interface StudentSummary {\n /** Student service ID */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Questions attempted */\n attempted: number;\n /** Correct answers */\n correct: number;\n /** Success percentage */\n percentage: number;\n /** Last activity timestamp */\n lastActive: string;\n}\n\n/** Quiz results export format */\nexport interface QuizExport {\n /** Export timestamp */\n timestamp: string;\n /** Release version */\n release: ReleaseId;\n /** Document ID */\n docId: string;\n /** Student results */\n students: StudentSummary[];\n /** Detailed answers by page */\n details?: {\n pageId: PageId;\n studentId: ServiceId;\n answers: AnswerRecord[];\n }[];\n}\n\n// ============================================================================\n// DOM ENHANCEMENT\n// ============================================================================\n\n/** Quiz table parsing result */\nexport interface ParsedQuizTable {\n /** Table element reference */\n element: HTMLTableElement;\n /** Extracted questions */\n questions: QuizQuestion[];\n /** Validation errors if any */\n errors?: string[];\n}\n\n/** Analysis table parsing result */\nexport interface ParsedAnalysisTable {\n /** Table element reference */\n element: HTMLTableElement;\n /** Table identifier */\n tableId: TableId;\n /** Editable cell positions */\n editableCells: Array<{\n row: number;\n col: number;\n key: CellKey;\n }>;\n /** Validation errors if any */\n errors?: string[];\n}\n\n// ============================================================================\n// STORAGE ADAPTER\n// ============================================================================\n\n/** Storage adapter interface for data persistence */\nexport interface StorageAdapter {\n /** Initialize storage */\n init(): Promise;\n\n /** Get student record */\n getStudent(release: ReleaseId, serviceId: ServiceId): Promise;\n\n /** Save student record */\n saveStudent(record: StudentRecord): Promise;\n\n /** Get all students for a release */\n getStudentsByRelease(release: ReleaseId): Promise;\n\n /** Delete all data */\n clearAll(): Promise;\n\n /** Create backup */\n backup(record: StudentRecord): Promise;\n}\n\n// ============================================================================\n// EVENTS\n// ============================================================================\n\n/** Custom event namespace */\nexport const EVENT_NAMESPACE = 'qd';\n\n/** Event type definitions */\nexport interface QuizEvents {\n 'qd:login': { detail: SessionData };\n 'qd:logout': { detail: { serviceId: ServiceId } };\n 'qd:answer-saved': { detail: { pageId: PageId; answer: AnswerRecord } };\n 'qd:state-changed': { detail: { pageId: PageId; state: CompletionState } };\n 'qd:analysis-saved': {\n detail: { pageId: PageId; tableId: TableId; cellKey: CellKey; content: string };\n };\n 'qd:instructor-unlock': { detail: { timestamp: string } };\n 'qd:instructor-lock': { detail: { timestamp: string } };\n 'qd:data-cleared': { detail: { timestamp: string } };\n 'qd:session-expired': { detail: { timestamp: string } };\n 'qd:storage-error': { detail: { error: Error; operation: string } };\n // PIN Authentication events (v2)\n 'qd:pin-created': { detail: { serviceId: ServiceId; timestamp: string } };\n 'qd:pin-verified': { detail: { serviceId: ServiceId; timestamp: string } };\n 'qd:pin-reset': { detail: { serviceId: ServiceId; resetBy: 'instructor'; timestamp: string } };\n}\n\n// ============================================================================\n// CONSTANTS\n// ============================================================================\n\n/** Current schema version */\nexport const SCHEMA_VERSION = 2;\n\n/** Session timeout in milliseconds (30 minutes) */\nexport const SESSION_TIMEOUT_MS = 30 * 60 * 1000;\n\n/** Storage keys */\nexport const STORAGE_KEYS = {\n SESSION: 'qd/session',\n CACHE: 'qd/state',\n INSTRUCTOR: 'qd/instructor',\n PIN_ATTEMPTS: 'qd:pin-attempts',\n} as const;\n\n/** PIN authentication constants */\nexport const PIN_CONSTANTS = {\n /** Maximum failed attempts before lockout */\n MAX_ATTEMPTS: 3,\n /** Lockout duration in milliseconds (30 seconds) */\n LOCKOUT_MS: 30 * 1000,\n /** PIN length (must be exactly 4 digits) */\n PIN_LENGTH: 4,\n} as const;\n\n/** CSS classes for DOM selection */\nexport const CSS_CLASSES = {\n QUIZ_TABLE: 'qd-quiz',\n ANALYSIS_TABLE: 'qd-analysis',\n TEST_LINK: 'quizPageBtn',\n} as const;\n\n/** Element IDs */\nexport const ELEMENT_IDS = {\n STATUS_PANEL: 'qd-status',\n} as const;\n\n/**\n * CSS selectors for DOM injection points\n *\n * These are default/reference values. Actual selectors are configurable\n * via SonarQuizConfig.statusPanelContainer option.\n *\n * @see SonarQuizConfig in src/index.ts\n */\nexport const INJECTION_SELECTORS = {\n /** Default navbar container for Oxygen WebHelp templates */\n NAVBAR_CONTAINER: '.wh_top_menu_and_indexterms_link',\n} as const;\n\n/** Validation limits */\nexport const LIMITS = {\n MAX_QUESTIONS_PER_PAGE: 100,\n MAX_CELL_CONTENT_LENGTH: 500,\n MAX_NAME_LENGTH: 100,\n MAX_SERVICE_ID_LENGTH: 10,\n} as const;\n","/**\n * Session Management Service\n *\n * Handles user session lifecycle, timeout management, and instructor mode.\n * Integrates with encrypted session storage for secure session data.\n */\n\nimport type {\n SessionData,\n SessionCache,\n ServiceId,\n ReleaseId,\n StudentRecord,\n PageCache,\n PageData,\n CompletionState,\n} from '../types/contracts.js';\nimport { STORAGE_KEYS, SESSION_TIMEOUT_MS } from '../types/contracts.js';\nimport { info, warn, error } from '../utils/logger.js';\nimport { isSessionExpired } from '../utils/calculation-helpers.js';\n\n/**\n * Session Service for managing user sessions\n */\nexport class SessionService {\n /**\n * Create a new session\n *\n * @param serviceId - Student service ID\n * @param name - Student name\n * @param release - Current release ID\n * @returns Created session data\n */\n createSession(serviceId: ServiceId, name: string, release: ReleaseId): SessionData {\n const now = new Date();\n const loginTime = now.toISOString();\n const expiresAt = new Date(now.getTime() + SESSION_TIMEOUT_MS).toISOString();\n\n const session: SessionData = {\n serviceId,\n name,\n release,\n loginTime,\n lastActivity: loginTime,\n expiresAt,\n instructorUnlocked: false,\n };\n\n this.saveSession(session);\n info(`Session created for ${serviceId} (${name})`);\n\n // Emit login event\n this.emitEvent('qd:login', { serviceId, name, release, loginTime });\n\n return session;\n }\n\n /**\n * Get the current session\n *\n * @returns Session data or null if no session exists\n */\n getSession(): SessionData | null {\n try {\n const sessionData = sessionStorage.getItem(STORAGE_KEYS.SESSION);\n if (!sessionData) {\n return null;\n }\n\n const session = JSON.parse(sessionData) as SessionData;\n\n // Validate required fields\n if (!session.serviceId || !session.release || !session.expiresAt) {\n warn('Invalid session data, missing required fields');\n return null;\n }\n\n return session;\n } catch (err) {\n error('Failed to parse session data', err as Error);\n return null;\n }\n }\n\n /**\n * Update last activity time and extend session expiry\n */\n updateActivity(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n const now = new Date();\n session.lastActivity = now.toISOString();\n session.expiresAt = new Date(now.getTime() + SESSION_TIMEOUT_MS).toISOString();\n\n this.saveSession(session);\n }\n\n /**\n * Check if the current session is expired\n *\n * @returns True if session is expired or doesn't exist\n */\n isExpired(): boolean {\n const session = this.getSession();\n if (!session) {\n return true;\n }\n\n return isSessionExpired(session.expiresAt);\n }\n\n /**\n * Clear the current session\n */\n clearSession(): void {\n const session = this.getSession();\n sessionStorage.removeItem(STORAGE_KEYS.SESSION);\n sessionStorage.removeItem(STORAGE_KEYS.CACHE);\n sessionStorage.removeItem(STORAGE_KEYS.INSTRUCTOR);\n\n // Clear instructor-specific state (FR-001)\n sessionStorage.removeItem('qd/instructor/showAnswers');\n\n if (session) {\n info(`Session cleared for ${session.serviceId}`);\n\n // Emit logout event\n this.emitEvent('qd:logout', {\n serviceId: session.serviceId,\n timestamp: new Date().toISOString(),\n });\n }\n }\n\n /**\n * Unlock instructor mode\n */\n unlockInstructor(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n session.instructorUnlocked = true;\n session.unlockTime = new Date().toISOString();\n\n this.saveSession(session);\n\n info('Instructor mode unlocked');\n\n // Emit custom event\n this.emitEvent('qd:instructor-unlock', { timestamp: session.unlockTime });\n }\n\n /**\n * Lock instructor mode\n */\n lockInstructor(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n session.instructorUnlocked = false;\n delete session.unlockTime;\n\n this.saveSession(session);\n\n info('Instructor mode locked');\n\n // Emit custom event\n this.emitEvent('qd:instructor-lock', { timestamp: new Date().toISOString() });\n }\n\n /**\n * Check if instructor mode is unlocked\n *\n * @returns True if instructor mode is unlocked\n */\n isInstructorUnlocked(): boolean {\n const session = this.getSession();\n return session?.instructorUnlocked === true;\n }\n\n /**\n * Get session cache from sessionStorage\n *\n * @returns Session cache or null if not found\n */\n getCache(): SessionCache | null {\n try {\n const cacheData = sessionStorage.getItem(STORAGE_KEYS.CACHE);\n if (!cacheData) {\n return null;\n }\n\n return JSON.parse(cacheData) as SessionCache;\n } catch (err) {\n error('Failed to parse cache data', err);\n return null;\n }\n }\n\n /**\n * Save session cache to sessionStorage\n *\n * @param cache - Cache data to save\n */\n saveCache(cache: SessionCache): void {\n try {\n sessionStorage.setItem(STORAGE_KEYS.CACHE, JSON.stringify(cache));\n } catch (err) {\n error('Failed to save cache', err);\n }\n }\n\n /**\n * Clear the session cache\n */\n clearCache(): void {\n sessionStorage.removeItem(STORAGE_KEYS.CACHE);\n }\n\n /**\n * Save session to sessionStorage\n *\n * @param session - Session data to save\n */\n private saveSession(session: SessionData): void {\n try {\n sessionStorage.setItem(STORAGE_KEYS.SESSION, JSON.stringify(session));\n } catch (err) {\n error('Failed to save session', err);\n }\n }\n\n /**\n * Emit a custom event\n *\n * @param eventName - Name of the event\n * @param detail - Event detail data\n */\n private emitEvent(eventName: string, detail: unknown): void {\n try {\n const event = new CustomEvent(eventName, { detail, bubbles: true });\n document.dispatchEvent(event);\n } catch (err) {\n error(`Failed to emit event ${eventName}`, err);\n }\n }\n}\n\n// ============================================================================\n// CACHE BUILDING UTILITIES\n// ============================================================================\n\n/**\n * Build session cache from a student record\n *\n * This creates a SessionCache structure that provides quick access to\n * page states and totals without querying IndexedDB.\n *\n * @param record - Student record to build cache from\n * @returns Session cache with totals and page entries\n */\nexport function buildCacheFromRecord(record: StudentRecord): SessionCache {\n const cache: SessionCache = {\n totals: {\n total: 0,\n answered: 0,\n correct: 0,\n },\n pages: {},\n };\n\n // Build cache entry for each page\n for (const [pageId, pageData] of Object.entries(record.pages)) {\n const pageCache = buildPageCache(pageId, pageData);\n cache.pages[pageId] = pageCache;\n\n // Accumulate totals\n cache.totals.total += pageCache.total;\n cache.totals.answered += pageCache.answered;\n cache.totals.correct += pageCache.correct;\n }\n\n return cache;\n}\n\n/**\n * Build a page cache entry from page data\n *\n * @param _pageId - Page identifier (unused, kept for API consistency)\n * @param pageData - Page data from student record\n * @returns Page cache entry\n */\nexport function buildPageCache(_pageId: string, pageData: PageData): PageCache {\n // Total is the length of answers array (includes empty/placeholder answers)\n const total = pageData.answers.length;\n const answered = pageData.answers.filter((a) => a.answer.trim() !== '').length;\n const correct = pageData.answers.filter((a) => a.success).length;\n\n return {\n state: pageData.state,\n total,\n answered,\n correct,\n last: pageData.lastAttempted,\n answers: pageData.answers,\n analysis: pageData.analysis, // Preserve analysis data from analysis tables\n };\n}\n\n/**\n * Register page questions in cache\n *\n * Called when a quiz page loads to register the total number of questions.\n * This ensures the status panel shows total registered questions, not just answered.\n *\n * @param cache - Current cache to update\n * @param pageId - Page identifier\n * @param totalQuestions - Total number of questions on the page\n * @returns Updated cache\n */\nexport function registerPageQuestions(\n cache: SessionCache,\n pageId: string,\n totalQuestions: number,\n): SessionCache {\n // Get existing page cache or create new one\n const existingPage = cache.pages[pageId];\n\n // If page already registered with same or higher total, don't update\n if (existingPage && existingPage.total >= totalQuestions) {\n return cache;\n }\n\n // Calculate delta for totals update\n const oldTotal = existingPage?.total || 0;\n const delta = totalQuestions - oldTotal;\n\n // Create/update page entry\n const updatedPage: PageCache = {\n state: existingPage?.state || ('unstarted' as const),\n total: totalQuestions,\n answered: existingPage?.answered || 0,\n correct: existingPage?.correct || 0,\n last: existingPage?.last,\n answers: existingPage?.answers,\n analysis: existingPage?.analysis,\n };\n\n return {\n totals: {\n total: cache.totals.total + delta,\n answered: cache.totals.answered,\n correct: cache.totals.correct,\n },\n pages: {\n ...cache.pages,\n [pageId]: updatedPage,\n },\n };\n}\n\n/**\n * Update cache with a new answer\n *\n * This incrementally updates the cache when a new answer is submitted,\n * avoiding the need to rebuild the entire cache.\n *\n * @param cache - Current cache to update\n * @param pageId - Page where answer was submitted\n * @param isCorrect - Whether the answer is correct\n * @param newState - New completion state for the page\n * @returns Updated cache\n */\nexport function updateCacheWithAnswer(\n cache: SessionCache,\n pageId: string,\n isCorrect: boolean,\n newState: CompletionState,\n): SessionCache {\n const now = new Date().toISOString();\n\n // Get or create page entry\n const pageCache = cache.pages[pageId] || {\n state: 'incomplete' as const,\n total: 0,\n answered: 0,\n correct: 0,\n };\n\n // Update page counts\n const updatedPage: PageCache = {\n ...pageCache,\n state: newState,\n answered: pageCache.answered + 1,\n correct: pageCache.correct + (isCorrect ? 1 : 0),\n last: now,\n };\n\n // Update totals\n const updatedTotals = {\n total: cache.totals.total,\n answered: cache.totals.answered + 1,\n correct: cache.totals.correct + (isCorrect ? 1 : 0),\n };\n\n return {\n totals: updatedTotals,\n pages: {\n ...cache.pages,\n [pageId]: updatedPage,\n },\n };\n}\n\n// ============================================================================\n// SINGLETON PATTERN\n// ============================================================================\n\n/**\n * Create and return a singleton instance of the session service\n */\nlet sessionInstance: SessionService | null = null;\n\nexport function getSessionService(): SessionService {\n if (!sessionInstance) {\n sessionInstance = new SessionService();\n }\n return sessionInstance;\n}\n\n/**\n * Reset the singleton instance (useful for testing)\n */\nexport function resetSessionService(): void {\n sessionInstance = null;\n}\n","/**\n * Calculation Helpers\n *\n * Pure functions for status indicators, percentages, and totals.\n * Feature: 007-lit-component-refactor\n *\n * These functions have no side effects and no DOM dependencies,\n * making them easy to unit test.\n */\n\nimport type { PageData, PageId } from '../types/contracts';\n\n/**\n * Status indicator values for R/A/G progress display.\n */\nexport type StatusIndicator = 'red' | 'amber' | 'green';\n\n/**\n * Calculates R/A/G status indicator from quiz totals.\n *\n * @param total - Total number of questions\n * @param correct - Number of correct answers\n * @returns 'green' if all correct, 'red' if none, 'amber' otherwise\n */\nexport function calculateStatusIndicator(total: number, correct: number): StatusIndicator {\n if (total === 0 || correct === 0) {\n return 'red';\n }\n if (correct === total) {\n return 'green';\n }\n return 'amber';\n}\n\n/**\n * Calculates percentage with safe division.\n *\n * @param correct - Numerator (correct count)\n * @param attempted - Denominator (attempted count)\n * @returns Rounded percentage (0 if attempted is 0)\n */\nexport function calculatePercentage(correct: number, attempted: number): number {\n if (attempted === 0) {\n return 0;\n }\n return Math.round((correct / attempted) * 100);\n}\n\n/**\n * Totals calculated from page data.\n */\nexport interface RecalculatedTotals {\n attempted: number;\n correct: number;\n}\n\n/**\n * Recalculates totals from all pages in a student record.\n * Only counts answers with non-empty answer strings (excludes placeholder entries).\n *\n * @param pages - Record of page ID to page data\n * @returns Aggregated attempted and correct counts\n */\nexport function recalculateTotalsFromPages(pages: Record): RecalculatedTotals {\n let attempted = 0;\n let correct = 0;\n\n for (const pageId in pages) {\n const pageData = pages[pageId];\n if (pageData && pageData.answers && Array.isArray(pageData.answers)) {\n // Filter to only non-empty answers (matches storage-service.ts behavior)\n const answered = pageData.answers.filter((a) => a.answer.trim() !== '');\n attempted += answered.length;\n correct += answered.filter((a) => a.success).length;\n }\n }\n\n return { attempted, correct };\n}\n\n/**\n * Checks if a session has expired.\n *\n * @param expiresAt - ISO 8601 expiration timestamp\n * @param now - Current time (defaults to new Date())\n * @returns True if session has expired\n */\nexport function isSessionExpired(expiresAt: string, now: Date = new Date()): boolean {\n const expiryDate = new Date(expiresAt);\n // Invalid date -> treat as expired\n if (isNaN(expiryDate.getTime())) {\n return true;\n }\n return now >= expiryDate;\n}\n\n/**\n * Masks a service ID for display (shows last N digits).\n *\n * @param serviceId - Full service ID\n * @param visibleDigits - Number of digits to show (default 4)\n * @returns Masked string like \"...1234\"\n */\nexport function maskServiceId(serviceId: string, visibleDigits: number = 4): string {\n if (!serviceId) {\n return '';\n }\n if (serviceId.length <= visibleDigits) {\n return serviceId;\n }\n if (visibleDigits === 0) {\n return '...';\n }\n return '...' + serviceId.slice(-visibleDigits);\n}\n","/**\n * Date formatting utilities for consistent timestamp display across the application.\n * Provides both display formatting (24-hour, month/date/time) and CSV export formatting (ISO 8601).\n */\n\n/**\n * Format options for timestamp display\n */\nexport type TimestampFormat = 'display' | 'csv';\n\n/**\n * Format a date for display in the instructor interface\n * @param date - Date to format\n * @returns Formatted string in \"Nov 19 14:23\" or \"11/19 14:23:45\" format (24-hour time)\n */\nfunction formatDisplayTimestamp(date: Date): string {\n // Use short month name format: \"Nov 19 14:23\"\n const month = date.toLocaleDateString('en-US', { month: 'short' });\n const day = date.getDate();\n const hours = date.getHours().toString().padStart(2, '0');\n const minutes = date.getMinutes().toString().padStart(2, '0');\n\n return `${month} ${day} ${hours}:${minutes}`;\n}\n\n/**\n * Format a date for CSV export\n * @param date - Date to format\n * @returns ISO 8601 formatted string for spreadsheet compatibility\n */\nfunction formatCSVTimestamp(date: Date): string {\n return date.toISOString();\n}\n\n/**\n * Main timestamp formatting function\n * @param date - Date to format (can be Date object or ISO string)\n * @param format - Format type ('display' for UI, 'csv' for export)\n * @returns Formatted timestamp string\n */\nexport function formatTimestamp(date: Date | string, format: TimestampFormat = 'display'): string {\n // Handle null/undefined\n if (date == null) {\n console.warn('Invalid date provided to formatTimestamp:', date);\n return 'Invalid Date';\n }\n\n const dateObj = typeof date === 'string' ? new Date(date) : date;\n\n // Validate date\n if (isNaN(dateObj.getTime())) {\n console.warn('Invalid date provided to formatTimestamp:', date);\n return 'Invalid Date';\n }\n\n return format === 'csv' ? formatCSVTimestamp(dateObj) : formatDisplayTimestamp(dateObj);\n}\n\n/**\n * Parse an ISO 8601 timestamp from storage and format for display\n * @param isoString - ISO 8601 timestamp string from IndexedDB\n * @returns Formatted display string\n */\nexport function formatStoredTimestamp(isoString: string): string {\n return formatTimestamp(isoString, 'display');\n}\n\n/**\n * Get current timestamp in ISO 8601 format for storage\n * @returns Current time as ISO 8601 string\n */\nexport function getCurrentTimestamp(): string {\n return new Date().toISOString();\n}\n","/**\n * Debouncer utility for delaying function execution\n *\n * Provides centralized debounce timer management, replacing the WeakMap pattern\n * used in the original implementation. Saves ~22 lines of duplicated code.\n *\n * @example\n * ```typescript\n * const debouncer = new Debouncer();\n *\n * // Debounce save operation\n * function handleInput(value: string) {\n * debouncer.debounce('save-answer', () => {\n * saveToDatabase(value);\n * }, 200);\n * }\n * ```\n */\n\n/**\n * Debouncer class for managing delayed function calls\n *\n * Maintains a map of timers indexed by key, allowing multiple independent\n * debounced operations.\n */\nexport class Debouncer {\n private timers = new Map>();\n\n /**\n * Debounce a function call\n *\n * If called multiple times with the same key, only the last call will execute\n * after the delay period.\n *\n * @param key - Unique identifier for this debounced operation\n * @param fn - Function to execute after delay\n * @param delay - Delay in milliseconds (default: 200ms)\n *\n * @example\n * ```typescript\n * const debouncer = new Debouncer();\n *\n * // Called multiple times rapidly\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * // Only logs \"Saved!\" once after 500ms\n * ```\n */\n debounce(key: string, fn: () => void, delay = 200): void {\n // Cancel existing timer if present\n const existing = this.timers.get(key);\n if (existing !== undefined) {\n clearTimeout(existing);\n }\n\n // Set new timer\n const timer = setTimeout(() => {\n this.timers.delete(key);\n fn();\n }, delay);\n\n this.timers.set(key, timer);\n }\n\n /**\n * Cancel a specific debounced operation\n *\n * @param key - Key of the operation to cancel\n * @returns true if a timer was cancelled, false if no timer existed\n */\n cancel(key: string): boolean {\n const timer = this.timers.get(key);\n if (timer !== undefined) {\n clearTimeout(timer);\n this.timers.delete(key);\n return true;\n }\n return false;\n }\n\n /**\n * Cancel all pending debounced operations\n *\n * @returns Number of timers that were cancelled\n */\n cancelAll(): number {\n let count = 0;\n for (const timer of this.timers.values()) {\n clearTimeout(timer);\n count++;\n }\n this.timers.clear();\n return count;\n }\n\n /**\n * Check if a debounced operation is pending\n *\n * @param key - Key to check\n * @returns true if a timer is active for this key\n */\n isPending(key: string): boolean {\n return this.timers.has(key);\n }\n\n /**\n * Get count of pending operations\n *\n * @returns Number of active timers\n */\n getPendingCount(): number {\n return this.timers.size;\n }\n}\n","/**\n * DOM helper utilities\n *\n * Provides type-safe DOM query and manipulation helpers, eliminating\n * repetitive querySelector patterns. Saves ~80 lines of duplicated code.\n *\n * All functions use textContent instead of innerHTML to prevent XSS vulnerabilities.\n */\n\n/**\n * Get all rows from a table body\n *\n * @param table - Table element\n * @returns Array of table row elements\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-quiz');\n * if (table instanceof HTMLTableElement) {\n * const rows = getTableRows(table);\n * console.log(`Table has ${rows.length} rows`);\n * }\n * ```\n */\nexport function getTableRows(table: HTMLTableElement): HTMLTableRowElement[] {\n const tbody = table.querySelector('tbody');\n if (!tbody) {\n return [];\n }\n return Array.from(tbody.querySelectorAll('tr'));\n}\n\n/**\n * Get all cells from a table row\n *\n * @param row - Table row element\n * @returns Array of table cell elements\n *\n * @example\n * ```typescript\n * const row = table.querySelector('tr');\n * if (row instanceof HTMLTableRowElement) {\n * const cells = getRowCells(row);\n * console.log(`Row has ${cells.length} cells`);\n * }\n * ```\n */\nexport function getRowCells(row: HTMLTableRowElement): HTMLTableCellElement[] {\n return Array.from(row.cells);\n}\n\n/**\n * Get trimmed text content from an element\n *\n * Returns empty string if element is null or has no text content.\n *\n * @param element - Element to get text from\n * @returns Trimmed text content\n *\n * @example\n * ```typescript\n * const cell = row.cells[0];\n * const text = getTextContent(cell);\n * console.log('Cell text:', text);\n * ```\n */\nexport function getTextContent(element: Element | null): string {\n if (!element) {\n return '';\n }\n return element.textContent?.trim() || '';\n}\n\n/**\n * Set text content on an element (XSS-safe)\n *\n * Uses textContent instead of innerHTML to prevent XSS attacks.\n *\n * @param element - Element to set text on\n * @param text - Text content to set\n *\n * @example\n * ```typescript\n * const div = document.createElement('div');\n * setTextContent(div, 'Safe text content');\n * ```\n */\nexport function setTextContent(element: Element, text: string): void {\n element.textContent = text;\n}\n\n/**\n * Create an element with optional text and class name (XSS-safe)\n *\n * Uses textContent instead of innerHTML for XSS protection.\n *\n * @param tag - HTML tag name\n * @param text - Optional text content\n * @param className - Optional class name\n * @returns Created element\n *\n * @example\n * ```typescript\n * const div = createElement('div', 'Hello, World!', 'greeting');\n * document.body.appendChild(div);\n * ```\n */\nexport function createElement(\n tag: K,\n text?: string,\n className?: string,\n): HTMLElementTagNameMap[K] {\n const element = document.createElement(tag);\n\n if (text !== undefined) {\n element.textContent = text;\n }\n\n if (className !== undefined) {\n element.className = className;\n }\n\n return element;\n}\n\n/**\n * Create multiple child elements and append to parent (XSS-safe)\n *\n * @param parent - Parent element\n * @param children - Array of child elements to append\n *\n * @example\n * ```typescript\n * const div = createElement('div');\n * appendChildren(div, [\n * createElement('span', 'First'),\n * createElement('span', 'Second'),\n * ]);\n * ```\n */\nexport function appendChildren(parent: Element, children: Element[]): void {\n for (const child of children) {\n parent.appendChild(child);\n }\n}\n\n/**\n * Query selector with type safety\n *\n * @param selector - CSS selector\n * @param parent - Parent element (default: document)\n * @returns Element or null\n *\n * @example\n * ```typescript\n * const table = querySelector('table.qd-quiz');\n * if (table) {\n * const rows = getTableRows(table);\n * }\n * ```\n */\nexport function querySelector(\n selector: string,\n parent: ParentNode = document,\n): T | null {\n return parent.querySelector(selector);\n}\n\n/**\n * Query selector all with type safety\n *\n * @param selector - CSS selector\n * @param parent - Parent element (default: document)\n * @returns Array of elements\n *\n * @example\n * ```typescript\n * const tables = querySelectorAll('table.qd-quiz');\n * console.log(`Found ${tables.length} quiz tables`);\n * ```\n */\nexport function querySelectorAll(\n selector: string,\n parent: ParentNode = document,\n): T[] {\n return Array.from(parent.querySelectorAll(selector));\n}\n\n/**\n * Get element by ID with type safety\n *\n * @param id - Element ID\n * @returns Element or null\n *\n * @example\n * ```typescript\n * const status = getElementById('qd-status');\n * if (status) {\n * status.style.display = 'block';\n * }\n * ```\n */\nexport function getElementById(id: string): T | null {\n const element = document.getElementById(id);\n return element as T | null;\n}\n\n/**\n * Remove all children from an element\n *\n * @param element - Element to clear\n *\n * @example\n * ```typescript\n * const container = getElementById('results');\n * if (container) {\n * removeAllChildren(container);\n * }\n * ```\n */\nexport function removeAllChildren(element: Element): void {\n while (element.firstChild) {\n element.removeChild(element.firstChild);\n }\n}\n\n/**\n * Replace all children of an element with new children\n *\n * @param element - Element to update\n * @param children - New children to add\n *\n * @example\n * ```typescript\n * const container = getElementById('results');\n * if (container) {\n * replaceChildren(container, [\n * createElement('div', 'Result 1'),\n * createElement('div', 'Result 2'),\n * ]);\n * }\n * ```\n */\nexport function replaceChildren(element: Element, children: Element[]): void {\n removeAllChildren(element);\n appendChildren(element, children);\n}\n\n/**\n * Check if element has a specific class\n *\n * @param element - Element to check\n * @param className - Class name to look for\n * @returns true if element has the class\n */\nexport function hasClass(element: Element, className: string): boolean {\n return element.classList.contains(className);\n}\n\n/**\n * Add one or more classes to an element\n *\n * @param element - Element to modify\n * @param classNames - Class names to add\n */\nexport function addClass(element: Element, ...classNames: string[]): void {\n element.classList.add(...classNames);\n}\n\n/**\n * Remove one or more classes from an element\n *\n * @param element - Element to modify\n * @param classNames - Class names to remove\n */\nexport function removeClass(element: Element, ...classNames: string[]): void {\n element.classList.remove(...classNames);\n}\n\n/**\n * Toggle a class on an element\n *\n * @param element - Element to modify\n * @param className - Class name to toggle\n * @returns true if class was added, false if removed\n */\nexport function toggleClass(element: Element, className: string): boolean {\n return element.classList.toggle(className);\n}\n","/**\n * Event helper utilities\n *\n * Provides type-safe custom event emission and handling, with consistent\n * configuration for bubbling and composition. Saves ~8 lines per event emission.\n */\n\nimport type { QuizEvents } from '../types/contracts.js';\n\n/**\n * Emit a custom event on the document\n *\n * Events bubble by default and are composed (cross shadow DOM boundaries).\n *\n * @param name - Event name (should use 'qd:' namespace)\n * @param detail - Event detail data\n * @param options - Optional event configuration\n *\n * @example\n * ```typescript\n * // Emit login event\n * emitCustomEvent('qd:login', {\n * serviceId: 'RN2344',\n * name: 'John Doe',\n * loginTime: new Date().toISOString(),\n * });\n * ```\n */\nexport function emitCustomEvent(\n name: K,\n detail: QuizEvents[K]['detail'],\n options?: {\n bubbles?: boolean;\n composed?: boolean;\n cancelable?: boolean;\n },\n): boolean {\n const event = new CustomEvent(name, {\n detail,\n bubbles: options?.bubbles ?? true,\n composed: options?.composed ?? true,\n cancelable: options?.cancelable ?? false,\n });\n\n return document.dispatchEvent(event);\n}\n\n/**\n * Add event listener for custom event\n *\n * @param name - Event name\n * @param handler - Event handler function\n * @param options - Optional event listener options\n *\n * @example\n * ```typescript\n * // Listen for login events\n * const unsubscribe = addEventListener('qd:login', (event) => {\n * console.log('User logged in:', event.detail.serviceId);\n * });\n *\n * // Later: remove listener\n * unsubscribe();\n * ```\n */\nexport function addEventListener(\n name: K,\n handler: (event: CustomEvent) => void,\n options?: AddEventListenerOptions,\n): () => void {\n const listener = handler as EventListener;\n document.addEventListener(name, listener, options);\n\n // Return unsubscribe function\n return () => {\n document.removeEventListener(name, listener, options);\n };\n}\n\n/**\n * Remove event listener for custom event\n *\n * @param name - Event name\n * @param handler - Event handler function\n * @param options - Optional event listener options\n *\n * @example\n * ```typescript\n * function handleLogin(event) {\n * console.log('Logged in:', event.detail.serviceId);\n * }\n *\n * addEventListener('qd:login', handleLogin);\n * // Later...\n * removeEventListener('qd:login', handleLogin);\n * ```\n */\nexport function removeEventListener(\n name: K,\n handler: (event: CustomEvent) => void,\n options?: EventListenerOptions,\n): void {\n const listener = handler as EventListener;\n document.removeEventListener(name, listener, options);\n}\n\n/**\n * Add one-time event listener that auto-removes after first trigger\n *\n * @param name - Event name\n * @param handler - Event handler function\n *\n * @example\n * ```typescript\n * // Wait for login, then perform action once\n * addEventListenerOnce('qd:login', (event) => {\n * console.log('First login detected');\n * });\n * ```\n */\nexport function addEventListenerOnce(\n name: K,\n handler: (event: CustomEvent) => void,\n): void {\n const listener = handler as EventListener;\n document.addEventListener(name, listener, { once: true });\n}\n\n/**\n * Wait for a specific event to occur\n *\n * Returns a promise that resolves when the event is emitted.\n *\n * @param name - Event name to wait for\n * @param timeout - Optional timeout in milliseconds\n * @returns Promise that resolves with event detail\n *\n * @example\n * ```typescript\n * // Wait for login\n * const session = await waitForEvent('qd:login', 5000);\n * console.log('User logged in:', session.serviceId);\n * ```\n */\nexport function waitForEvent(\n name: K,\n timeout?: number,\n): Promise {\n return new Promise((resolve, reject) => {\n let timeoutId: ReturnType | undefined;\n\n const handler = (event: Event) => {\n if (timeoutId !== undefined) {\n clearTimeout(timeoutId);\n }\n const customEvent = event as CustomEvent;\n resolve(customEvent.detail);\n };\n\n document.addEventListener(name, handler, { once: true });\n\n if (timeout !== undefined) {\n timeoutId = setTimeout(() => {\n document.removeEventListener(name, handler);\n reject(new Error(`Timeout waiting for event: ${name}`));\n }, timeout);\n }\n });\n}\n\n/**\n * Dispatch event on a specific element\n *\n * @param element - Element to dispatch event on\n * @param name - Event name\n * @param detail - Event detail\n * @param options - Optional event configuration\n *\n * @example\n * ```typescript\n * const button = document.querySelector('button');\n * if (button) {\n * dispatchEventOn(button, 'qd:custom', { data: 'test' });\n * }\n * ```\n */\nexport function dispatchEventOn(\n element: Element,\n name: string,\n detail: T,\n options?: {\n bubbles?: boolean;\n composed?: boolean;\n cancelable?: boolean;\n },\n): boolean {\n const event = new CustomEvent(name, {\n detail,\n bubbles: options?.bubbles ?? true,\n composed: options?.composed ?? true,\n cancelable: options?.cancelable ?? false,\n });\n\n return element.dispatchEvent(event);\n}\n","/**\n * Storage helper utilities\n *\n * Provides type-safe JSON storage operations for sessionStorage,\n * replacing repetitive try-catch JSON.parse patterns. Saves ~54 lines\n * of duplicated code.\n */\n\nimport { warn } from './logger.js';\n\n/**\n * Get and parse JSON data from sessionStorage\n *\n * @param key - Storage key\n * @returns Parsed object of type T, or null if not found or invalid\n *\n * @example\n * ```typescript\n * interface SessionData {\n * userId: string;\n * loginTime: string;\n * }\n *\n * const session = getJSON('qd/session');\n * if (session) {\n * console.log('User ID:', session.userId);\n * }\n * ```\n */\nexport function getJSON(key: string): T | null {\n try {\n const data = sessionStorage.getItem(key);\n if (!data) {\n return null;\n }\n return JSON.parse(data) as T;\n } catch (error) {\n warn(`Failed to parse JSON from sessionStorage key: ${key}`, error);\n return null;\n }\n}\n\n/**\n * Stringify and store JSON data in sessionStorage\n *\n * @param key - Storage key\n * @param value - Data to store\n * @returns true if successful, false if failed\n *\n * @example\n * ```typescript\n * const session = {\n * userId: 'RN2344',\n * loginTime: new Date().toISOString(),\n * };\n *\n * setJSON('qd/session', session);\n * ```\n */\nexport function setJSON(key: string, value: T): boolean {\n try {\n const json = JSON.stringify(value);\n sessionStorage.setItem(key, json);\n return true;\n } catch (error) {\n warn(`Failed to store JSON in sessionStorage key: ${key}`, error);\n return false;\n }\n}\n\n/**\n * Remove item from sessionStorage\n *\n * @param key - Storage key to remove\n */\nexport function removeItem(key: string): void {\n sessionStorage.removeItem(key);\n}\n\n/**\n * Check if key exists in sessionStorage\n *\n * @param key - Storage key to check\n * @returns true if key exists\n */\nexport function hasItem(key: string): boolean {\n return sessionStorage.getItem(key) !== null;\n}\n\n/**\n * Clear all quiz data from sessionStorage\n *\n * Only removes keys with 'qd/' prefix, leaving other data intact.\n *\n * @returns Number of items cleared\n *\n * @example\n * ```typescript\n * // Clear all quiz-related session data\n * const cleared = clearQuizData();\n * console.log(`Cleared ${cleared} items`);\n * ```\n */\nexport function clearQuizData(): number {\n const keysToRemove: string[] = [];\n\n // Find all keys with 'qd/' prefix\n for (let i = 0; i < sessionStorage.length; i++) {\n const key = sessionStorage.key(i);\n if (key && key.startsWith('qd/')) {\n keysToRemove.push(key);\n }\n }\n\n // Remove found keys\n for (const key of keysToRemove) {\n sessionStorage.removeItem(key);\n }\n\n return keysToRemove.length;\n}\n\n/**\n * Get all quiz data keys from sessionStorage\n *\n * @returns Array of keys with 'qd/' prefix\n */\nexport function getQuizDataKeys(): string[] {\n const keys: string[] = [];\n\n for (let i = 0; i < sessionStorage.length; i++) {\n const key = sessionStorage.key(i);\n if (key && key.startsWith('qd/')) {\n keys.push(key);\n }\n }\n\n return keys;\n}\n\n/**\n * Clear all sessionStorage data\n *\n * Use with caution - clears everything, not just quiz data.\n */\nexport function clearAll(): void {\n sessionStorage.clear();\n}\n","/**\n * Storage Adapter Utilities\n *\n * Provides utility functions for working with storage keys, validation,\n * and error types for the storage layer.\n *\n * Storage Key Format: qd/{release}/u{serviceId}\n * Example: qd/11-2024/uRN2344\n */\n\nimport type { StudentRecord, ReleaseId, ServiceId } from '../../types/contracts.js';\nimport { error as logError } from '../../utils/logger.js';\n\n/**\n * Generate storage key for a student record\n *\n * Format: qd/{release}/u{serviceId}\n *\n * @param release - Release identifier (e.g., \"01-2025\")\n * @param serviceId - Service ID (e.g., \"RN2344\")\n * @returns Storage key string\n *\n * @example\n * ```typescript\n * const key = getStorageKey('11-2024', 'RN2344');\n * // Returns: \"qd/11-2024/uRN2344\"\n * ```\n */\nexport function getStorageKey(release: ReleaseId, serviceId: ServiceId): string {\n return `qd/${release}/u${serviceId}`;\n}\n\n/**\n * Parse a storage key back into its components\n *\n * @param key - Storage key to parse\n * @returns Object with release and serviceId, or null if invalid\n *\n * @example\n * ```typescript\n * const parts = parseStorageKey('qd/11-2024/uRN2344');\n * // Returns: { release: '11-2024', serviceId: 'RN2344' }\n * ```\n */\nexport function parseStorageKey(key: string): { release: ReleaseId; serviceId: ServiceId } | null {\n const match = key.match(/^qd\\/([^/]+)\\/u(.+)$/);\n if (!match || !match[1] || !match[2]) {\n return null;\n }\n return {\n release: match[1],\n serviceId: match[2],\n };\n}\n\n/**\n * Validate release ID format (MM-YYYY)\n *\n * @param release - Release ID to validate\n * @returns True if valid, false otherwise\n *\n * @example\n * ```typescript\n * isValidReleaseId('11-2024'); // true\n * isValidReleaseId('2024-11'); // false\n * isValidReleaseId('13-2024'); // false (month > 12)\n * ```\n */\nexport function isValidReleaseId(release: string): boolean {\n const match = release.match(/^(\\d{2})-(\\d{4})$/);\n if (!match || !match[1] || !match[2]) {\n return false;\n }\n\n // Validate month range (01-12)\n const month = parseInt(match[1], 10);\n return month >= 1 && month <= 12;\n}\n\n/**\n * Validate service ID format (2-10 alphanumeric characters)\n *\n * @param serviceId - Service ID to validate\n * @returns True if valid, false otherwise\n *\n * @example\n * ```typescript\n * isValidServiceId('RN2344'); // true\n * isValidServiceId('AB'); // true (minimum 2 chars)\n * isValidServiceId('A'); // false (too short)\n * isValidServiceId('ABCDEFGHIJK'); // false (too long)\n * ```\n */\nexport function isValidServiceId(serviceId: string): boolean {\n return /^[A-Za-z0-9]{2,10}$/.test(serviceId);\n}\n\n/**\n * Create a default empty StudentRecord\n *\n * @param release - Release identifier\n * @param serviceId - Service identifier\n * @param name - Student name\n * @param docId - Document identifier\n * @returns New StudentRecord with default values\n *\n * @example\n * ```typescript\n * const record = createEmptyStudentRecord('11-2024', 'RN2344', 'Alice Student', 'doc-123');\n * // Returns StudentRecord with empty pages, 0 scores, current timestamp\n * ```\n */\nexport function createEmptyStudentRecord(\n release: ReleaseId,\n serviceId: ServiceId,\n name: string,\n docId: string,\n): StudentRecord {\n return {\n schema: 1,\n docId,\n release,\n serviceId,\n name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n}\n\n/**\n * Storage adapter error types\n */\nexport class StorageError extends Error {\n constructor(\n message: string,\n public readonly operation: string,\n public readonly cause?: Error,\n ) {\n super(message);\n this.name = 'StorageError';\n\n // Log error for debugging\n if (cause) {\n logError(`Storage error in ${operation}: ${message}`, cause);\n } else {\n logError(`Storage error in ${operation}: ${message}`);\n }\n }\n}\n\n/**\n * Error thrown when storage is not initialized\n */\nexport class StorageNotInitializedError extends StorageError {\n constructor(operation: string) {\n super('Storage adapter not initialized. Call init() first.', operation);\n this.name = 'StorageNotInitializedError';\n }\n}\n\n/**\n * Error thrown when a storage operation times out\n */\nexport class StorageTimeoutError extends StorageError {\n constructor(operation: string, timeout: number) {\n super(`Storage operation timed out after ${timeout}ms`, operation);\n this.name = 'StorageTimeoutError';\n }\n}\n\n/**\n * Error thrown when storage quota is exceeded\n */\nexport class StorageQuotaError extends StorageError {\n constructor(operation: string) {\n super('Storage quota exceeded. Please clear old data or free up space.', operation);\n this.name = 'StorageQuotaError';\n }\n}\n","/**\n * IndexedDB Storage Adapter Implementation\n *\n * Provides persistent storage for student records using browser IndexedDB.\n * Implements atomic transactions and proper error handling.\n *\n * Database: Configured via #qd-db-name element (REQUIRED)\n * Stores: students (main data), backups (backup copies)\n * Keys: qd/{release}/u{serviceId}\n */\n\nimport type {\n StorageAdapter,\n StudentRecord,\n ReleaseId,\n ServiceId,\n PinResetEvent,\n} from '../../types/contracts.js';\nimport {\n getStorageKey,\n StorageNotInitializedError,\n StorageError,\n StorageQuotaError,\n} from './adapter-utils.js';\nimport { warn as logWarn, error as logError } from '../../utils/logger.js';\n\n// NOTE: No default database name - must be provided by caller\n\n/** Database version - increment to force schema upgrade */\nconst DB_VERSION = 3;\n\n/** Object store names */\nconst STORE_STUDENTS = 'students';\nconst STORE_BACKUPS = 'backups';\nconst STORE_AUDIT_LOG = 'auditLog';\n\n/**\n * Backup record with metadata\n */\ninterface BackupRecord extends StudentRecord {\n /** Original storage key */\n originalKey: string;\n /** Backup timestamp */\n timestamp: string;\n}\n\n/**\n * IndexedDB implementation of StorageAdapter\n *\n * Features:\n * - Automatic schema creation with indexes\n * - Atomic transactions\n * - Quota error handling\n * - Backup functionality\n */\nexport class IndexedDBStorageAdapter implements StorageAdapter {\n private db: IDBDatabase | null = null;\n private initPromise: Promise | null = null;\n private dbName: string;\n\n /**\n * Create a new IndexedDB storage adapter\n *\n * @param dbName - Database name (REQUIRED - no default)\n */\n constructor(dbName: string) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for IndexedDBStorageAdapter');\n }\n this.dbName = dbName;\n }\n\n /**\n * Initialize the IndexedDB database\n *\n * Creates object stores and indexes on first run.\n * Safe to call multiple times - will reuse existing connection.\n *\n * @returns Promise that resolves when database is ready\n */\n async init(): Promise {\n // Return existing initialization promise if already in progress\n if (this.initPromise) {\n return this.initPromise;\n }\n\n // If already initialized, return immediately\n if (this.db) {\n return Promise.resolve();\n }\n\n this.initPromise = new Promise((resolve, reject) => {\n // Timeout for hung database operations\n const OPEN_TIMEOUT_MS = 5000;\n let timeoutId: number | undefined;\n let resolved = false;\n\n const cleanup = () => {\n if (timeoutId) {\n clearTimeout(timeoutId);\n timeoutId = undefined;\n }\n };\n\n timeoutId = window.setTimeout(() => {\n if (resolved) return;\n resolved = true;\n this.initPromise = null;\n\n logWarn(`IndexedDB open timed out after ${OPEN_TIMEOUT_MS}ms - attempting recovery`);\n\n // Try to delete and recreate\n const deleteReq = indexedDB.deleteDatabase(this.dbName);\n deleteReq.onsuccess = () => {\n this.init().then(resolve).catch(reject);\n };\n deleteReq.onerror = () => {\n reject(\n new StorageError(\n `Database \"${this.dbName}\" appears corrupted. Please clear site data in browser settings.`,\n 'init',\n ),\n );\n };\n deleteReq.onblocked = () => {\n reject(\n new StorageError(\n `Cannot recover database - close all other tabs with this site and reload.`,\n 'init',\n ),\n );\n };\n }, OPEN_TIMEOUT_MS);\n\n const request = indexedDB.open(this.dbName, DB_VERSION);\n\n request.onerror = () => {\n if (resolved) return;\n resolved = true;\n cleanup();\n logError(`IndexedDB open error: ${request.error?.message || 'unknown'}`);\n this.initPromise = null;\n reject(new StorageError('Failed to open database', 'init', request.error as Error));\n };\n\n request.onblocked = () => {\n logWarn('IndexedDB open blocked - close other tabs with this database');\n };\n\n request.onsuccess = () => {\n if (resolved) return;\n resolved = true;\n cleanup();\n\n this.db = request.result;\n\n // Verify object stores exist - if not, database is corrupted\n if (\n !this.db.objectStoreNames.contains(STORE_STUDENTS) ||\n !this.db.objectStoreNames.contains(STORE_BACKUPS) ||\n !this.db.objectStoreNames.contains(STORE_AUDIT_LOG)\n ) {\n // Database exists but stores missing - delete and recreate\n logWarn(\n `Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(', ')}]`,\n );\n this.db.close();\n this.db = null;\n\n // Delete corrupted database\n const deleteRequest = indexedDB.deleteDatabase(this.dbName);\n deleteRequest.onsuccess = () => {\n // Retry initialization\n this.initPromise = null;\n this.init().then(resolve).catch(reject);\n };\n deleteRequest.onerror = () => {\n this.initPromise = null;\n reject(\n new StorageError(\n 'Failed to delete corrupted database',\n 'init',\n deleteRequest.error as Error,\n ),\n );\n };\n return;\n }\n\n this.initPromise = null;\n resolve();\n };\n\n request.onupgradeneeded = (event) => {\n const db = (event.target as IDBOpenDBRequest).result;\n const transaction = (event.target as IDBOpenDBRequest).transaction;\n\n if (transaction) {\n transaction.onerror = () => {\n logError(`Upgrade transaction error: ${transaction.error?.message || 'unknown'}`);\n };\n transaction.onabort = () => {\n logError(`Upgrade transaction aborted: ${transaction.error?.message || 'unknown'}`);\n };\n }\n\n try {\n // Create students object store\n if (!db.objectStoreNames.contains(STORE_STUDENTS)) {\n const studentsStore = db.createObjectStore(STORE_STUDENTS, { keyPath: null });\n studentsStore.createIndex('by-release', 'release', { unique: false });\n studentsStore.createIndex('by-service-id', 'serviceId', { unique: false });\n }\n\n // Create backups object store\n if (!db.objectStoreNames.contains(STORE_BACKUPS)) {\n const backupsStore = db.createObjectStore(STORE_BACKUPS, { keyPath: null });\n backupsStore.createIndex('by-original-key', 'originalKey', { unique: false });\n backupsStore.createIndex('by-timestamp', 'timestamp', { unique: false });\n }\n\n // Create audit log object store (v3 - PIN reset events)\n if (!db.objectStoreNames.contains(STORE_AUDIT_LOG)) {\n const auditStore = db.createObjectStore(STORE_AUDIT_LOG, {\n keyPath: 'eventId',\n });\n auditStore.createIndex('by-service-id', 'serviceId', { unique: false });\n auditStore.createIndex('by-reset-at', 'resetAt', { unique: false });\n }\n } catch (err) {\n logError('Error during database upgrade', err as Error);\n throw err;\n }\n };\n });\n\n return this.initPromise;\n }\n\n /**\n * Ensure database is initialized before operations\n *\n * @throws StorageNotInitializedError if not initialized\n * @returns Database instance\n */\n private ensureInitialized(): IDBDatabase {\n if (!this.db) {\n throw new StorageNotInitializedError('ensureInitialized');\n }\n return this.db;\n }\n\n /**\n * Get a student record by release and service ID\n *\n * @param release - Release identifier\n * @param serviceId - Service identifier\n * @returns Student record or null if not found\n */\n async getStudent(release: ReleaseId, serviceId: ServiceId): Promise {\n const db = this.ensureInitialized();\n const key = getStorageKey(release, serviceId);\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readonly');\n const store = transaction.objectStore(STORE_STUDENTS);\n const request = store.get(key);\n\n request.onsuccess = () => {\n resolve((request.result as StudentRecord | undefined) || null);\n };\n\n request.onerror = () => {\n reject(\n new StorageError('Failed to get student record', 'getStudent', request.error as Error),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to get student record', 'getStudent', error as Error));\n }\n });\n }\n\n /**\n * Save a student record\n *\n * @param record - Student record to save\n * @throws StorageQuotaError if storage quota exceeded\n */\n async saveStudent(record: StudentRecord): Promise {\n const db = this.ensureInitialized();\n const key = getStorageKey(record.release, record.serviceId);\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readwrite');\n const store = transaction.objectStore(STORE_STUDENTS);\n const request = store.put(record, key);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n // Check for quota errors\n if (request.error?.name === 'QuotaExceededError') {\n reject(new StorageQuotaError('saveStudent'));\n } else {\n reject(\n new StorageError(\n 'Failed to save student record',\n 'saveStudent',\n request.error as Error,\n ),\n );\n }\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed while saving student',\n 'saveStudent',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to save student record', 'saveStudent', error as Error));\n }\n });\n }\n\n /**\n * Get all students for a specific release\n *\n * Uses the by-release index for efficient queries.\n *\n * @param release - Release identifier\n * @returns Array of student records (empty if none found)\n */\n async getStudentsByRelease(release: ReleaseId): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readonly');\n const store = transaction.objectStore(STORE_STUDENTS);\n const index = store.index('by-release');\n const request = index.getAll(release);\n\n request.onsuccess = () => {\n resolve(request.result || []);\n };\n\n request.onerror = () => {\n reject(\n new StorageError(\n 'Failed to get students by release',\n 'getStudentsByRelease',\n request.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(\n new StorageError(\n 'Failed to get students by release',\n 'getStudentsByRelease',\n error as Error,\n ),\n );\n }\n });\n }\n\n /**\n * Clear all data from the database\n *\n * Removes both students and backups in a single atomic transaction.\n */\n async clearAll(): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(\n [STORE_STUDENTS, STORE_BACKUPS, STORE_AUDIT_LOG],\n 'readwrite',\n );\n\n const studentsStore = transaction.objectStore(STORE_STUDENTS);\n const backupsStore = transaction.objectStore(STORE_BACKUPS);\n const auditStore = transaction.objectStore(STORE_AUDIT_LOG);\n\n const clearStudentsRequest = studentsStore.clear();\n const clearBackupsRequest = backupsStore.clear();\n const clearAuditRequest = auditStore.clear();\n\n let studentsCleared = false;\n let backupsCleared = false;\n let auditCleared = false;\n\n clearStudentsRequest.onsuccess = () => {\n studentsCleared = true;\n if (backupsCleared && auditCleared) {\n resolve();\n }\n };\n\n clearBackupsRequest.onsuccess = () => {\n backupsCleared = true;\n if (studentsCleared && auditCleared) {\n resolve();\n }\n };\n\n clearAuditRequest.onsuccess = () => {\n auditCleared = true;\n if (studentsCleared && backupsCleared) {\n resolve();\n }\n };\n\n clearStudentsRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear students',\n 'clearAll',\n clearStudentsRequest.error as Error,\n ),\n );\n };\n\n clearBackupsRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear backups',\n 'clearAll',\n clearBackupsRequest.error as Error,\n ),\n );\n };\n\n clearAuditRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear audit log',\n 'clearAll',\n clearAuditRequest.error as Error,\n ),\n );\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed during clearAll',\n 'clearAll',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to clear all data', 'clearAll', error as Error));\n }\n });\n }\n\n /**\n * Create a backup of a student record\n *\n * Backup key format: backup_{timestamp}_{serviceId}\n *\n * @param record - Student record to backup\n * @throws StorageQuotaError if storage quota exceeded\n */\n async backup(record: StudentRecord): Promise {\n const db = this.ensureInitialized();\n const timestamp = new Date().toISOString();\n const backupKey = `backup_${timestamp}_${record.serviceId}`;\n const originalKey = getStorageKey(record.release, record.serviceId);\n\n const backupRecord: BackupRecord = {\n ...record,\n originalKey,\n timestamp,\n };\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_BACKUPS, 'readwrite');\n const store = transaction.objectStore(STORE_BACKUPS);\n const request = store.put(backupRecord, backupKey);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n // Check for quota errors\n if (request.error?.name === 'QuotaExceededError') {\n reject(new StorageQuotaError('backup'));\n } else {\n reject(new StorageError('Failed to create backup', 'backup', request.error as Error));\n }\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed during backup',\n 'backup',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to create backup', 'backup', error as Error));\n }\n });\n }\n\n /**\n * Save a PIN reset event to the audit log\n *\n * @param event - PIN reset event to log\n */\n async saveAuditEvent(event: PinResetEvent): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_AUDIT_LOG, 'readwrite');\n const store = transaction.objectStore(STORE_AUDIT_LOG);\n const request = store.add(event);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n reject(\n new StorageError(\n 'Failed to save audit event',\n 'saveAuditEvent',\n request.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to save audit event', 'saveAuditEvent', error as Error));\n }\n });\n }\n\n /**\n * Close the database connection\n *\n * Useful for cleanup in tests and application shutdown.\n */\n close(): void {\n if (this.db) {\n this.db.close();\n this.db = null;\n this.initPromise = null;\n }\n }\n}\n\n/**\n * Singleton storage adapter instance\n */\nlet storageInstance: IndexedDBStorageAdapter | null = null;\nlet currentDbName: string | null = null;\n\n/**\n * Get the singleton storage adapter instance\n *\n * Creates a new instance on first call, reuses it thereafter.\n * If dbName changes, closes old instance and creates new one.\n *\n * @param dbName - Database name (REQUIRED - no default)\n * @returns IndexedDB storage adapter\n */\nexport function getStorageAdapter(dbName: string): IndexedDBStorageAdapter {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for getStorageAdapter()');\n }\n\n // If dbName changed, close old instance and create new one\n if (storageInstance && currentDbName !== dbName) {\n storageInstance.close();\n storageInstance = null;\n }\n\n if (!storageInstance) {\n storageInstance = new IndexedDBStorageAdapter(dbName);\n currentDbName = dbName;\n }\n return storageInstance;\n}\n\n/**\n * Reset the singleton instance\n *\n * Useful for testing to ensure clean state between tests.\n */\nexport function resetStorageAdapter(): void {\n if (storageInstance) {\n storageInstance.close();\n storageInstance = null;\n currentDbName = null;\n }\n}\n","/**\n * Completion State Calculator\n *\n * Functions for calculating page completion states based on answer data.\n *\n * State Rules (from CLAUDE.md):\n * - unstarted: No answers provided\n * - incomplete: Some answered OR any incorrect\n * - complete: All answered AND all correct\n */\n\nimport type { AnswerRecord, CompletionState } from '../types/contracts.js';\n\n/**\n * Calculate the completion state for a page\n *\n * @param answers - Array of answer records for the page\n * @param totalQuestions - Total number of questions on the page\n * @returns Completion state (unstarted | incomplete | complete)\n *\n * @example\n * ```typescript\n * const answers = [\n * { answer: 'a', success: true, timestamp: '2024-11-16T10:00:00Z' },\n * { answer: 'b', success: false, timestamp: '2024-11-16T10:01:00Z' },\n * ];\n * const state = calculateCompletionState(answers, 3); // 'incomplete' (not all answered)\n * ```\n */\nexport function calculateCompletionState(\n answers: AnswerRecord[],\n totalQuestions: number,\n): CompletionState {\n // Handle edge case: no questions\n if (totalQuestions === 0) {\n return 'unstarted';\n }\n\n // Check if unstarted\n if (isPageUnstarted(answers)) {\n return 'unstarted';\n }\n\n // Check if complete\n if (isPageComplete(answers, totalQuestions)) {\n return 'complete';\n }\n\n // Otherwise, it's incomplete\n return 'incomplete';\n}\n\n/**\n * Check if a page is complete\n *\n * A page is complete when:\n * - All questions are answered\n * - All answered questions are correct\n *\n * @param answers - Array of answer records\n * @param totalQuestions - Total number of questions\n * @returns True if page is complete\n */\nexport function isPageComplete(answers: AnswerRecord[], totalQuestions: number): boolean {\n // Must have answered all questions\n if (answers.length !== totalQuestions) {\n return false;\n }\n\n // All answers must be correct\n return answers.every((answer) => answer.success === true);\n}\n\n/**\n * Check if a page is unstarted\n *\n * A page is unstarted when no answers have been provided.\n *\n * @param answers - Array of answer records\n * @returns True if page is unstarted\n */\nexport function isPageUnstarted(answers: AnswerRecord[]): boolean {\n return answers.length === 0;\n}\n\n/**\n * Count the number of correct answers\n *\n * @param answers - Array of answer records\n * @returns Number of correct answers\n */\nexport function countCorrectAnswers(answers: AnswerRecord[]): number {\n return answers.filter((answer) => answer.success === true).length;\n}\n\n/**\n * Calculate success percentage\n *\n * @param answers - Array of answer records\n * @param totalQuestions - Total number of questions\n * @returns Percentage of correct answers (0-100)\n *\n * @example\n * ```typescript\n * const answers = [\n * { answer: 'a', success: true, timestamp: '...' },\n * { answer: 'b', success: false, timestamp: '...' },\n * { answer: 'c', success: true, timestamp: '...' },\n * ];\n * const percentage = calculateSuccessPercentage(answers, 3); // 67 (2 out of 3 correct)\n * ```\n */\nexport function calculateSuccessPercentage(\n answers: AnswerRecord[],\n totalQuestions: number,\n): number {\n if (totalQuestions === 0) {\n return 0;\n }\n\n const correct = countCorrectAnswers(answers);\n return Math.round((correct / totalQuestions) * 100);\n}\n","/**\n * Storage Service\n *\n * Coordinates between IndexedDB persistence and sessionStorage cache.\n * Provides high-level operations for loading/saving student records.\n */\n\nimport type {\n StudentRecord,\n SessionData,\n SessionCache,\n PageData,\n PageId,\n ReleaseId,\n AnswerRecord,\n} from '../types/contracts.js';\nimport { getStorageAdapter } from './storage/indexeddb.js';\nimport { buildCacheFromRecord } from './session.js';\nimport { calculateCompletionState } from './state-calculator.js';\nimport { recalculateTotalsFromPages } from '../utils/calculation-helpers.js';\nimport { info, warn, error as logError } from '../utils/logger.js';\n\n/**\n * Storage Service for managing student records\n */\nexport class StorageService {\n private adapter;\n private dbName: string;\n\n /**\n * Create storage service with specified database name\n *\n * @param dbName - IndexedDB database name (REQUIRED - no default)\n */\n constructor(dbName: string) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for StorageService');\n }\n this.dbName = dbName;\n this.adapter = getStorageAdapter(dbName);\n }\n\n /**\n * Initialize IndexedDB storage\n */\n async init(): Promise {\n try {\n await this.adapter.init();\n info(`Storage service initialized (IndexedDB \"${this.dbName}\" ready)`);\n } catch (err) {\n logError('Failed to initialize storage service', err as Error);\n throw err;\n }\n }\n\n /**\n * Load student record from IndexedDB\n *\n * Creates a new record if none exists.\n *\n * @param session - Current session data\n * @returns Student record\n */\n async loadStudentRecord(session: SessionData): Promise {\n try {\n const existing = await this.adapter.getStudent(session.release, session.serviceId);\n\n if (existing) {\n info(`Loaded student record for ${session.serviceId} from IndexedDB`);\n return existing;\n }\n\n // Create new student record\n const newRecord: StudentRecord = {\n schema: 1,\n docId: session.release, // Use release as docId\n release: session.release,\n serviceId: session.serviceId,\n name: session.name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n\n info(`Created new student record for ${session.serviceId}`);\n return newRecord;\n } catch (err) {\n // If IndexedDB has schema issues, create a new record\n warn(`IndexedDB error, creating new record: ${(err as Error).message}`);\n const newRecord: StudentRecord = {\n schema: 1,\n docId: session.release,\n release: session.release,\n serviceId: session.serviceId,\n name: session.name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n return newRecord;\n }\n }\n\n /**\n * Save student record to IndexedDB\n *\n * @param record - Student record to save\n */\n async saveStudentRecord(record: StudentRecord): Promise {\n try {\n // Update timestamp\n record.updated = new Date().toISOString();\n\n // Recalculate totals from pages using calculation helper\n const totals = recalculateTotalsFromPages(record.pages);\n record.attempted = totals.attempted;\n record.correct = totals.correct;\n\n await this.adapter.saveStudent(record);\n info(`Saved student record for ${record.serviceId} to IndexedDB`);\n } catch (err) {\n logError('Failed to save student record', err as Error);\n throw err;\n }\n }\n\n /**\n * Update student record with a new answer\n *\n * @param record - Current student record\n * @param pageId - Page where answer was submitted\n * @param questionIndex - Question index (0-based)\n * @param answer - Answer record\n * @param totalQuestions - Total questions on the page\n * @returns Updated student record\n */\n updateRecordWithAnswer(\n record: StudentRecord,\n pageId: PageId,\n questionIndex: number,\n answer: AnswerRecord,\n totalQuestions: number,\n ): StudentRecord {\n // Get or create page data\n const existingPage = record.pages[pageId];\n const pageData: PageData = existingPage || {\n answers: [],\n state: 'unstarted',\n };\n\n // Ensure answers array is large enough\n while (pageData.answers.length <= questionIndex) {\n pageData.answers.push({\n answer: '',\n success: false,\n timestamp: new Date().toISOString(),\n });\n }\n\n // Update answer at index (FR-015: overwrites previous answer for re-submissions)\n // Only the most recent answer is stored, with updated timestamp\n pageData.answers[questionIndex] = answer;\n\n // Update timestamps\n const now = new Date().toISOString();\n if (!pageData.firstAttempted) {\n pageData.firstAttempted = now;\n }\n pageData.lastAttempted = now;\n\n // Recalculate state\n pageData.state = calculateCompletionState(pageData.answers, totalQuestions);\n\n // Update record\n return {\n ...record,\n pages: {\n ...record.pages,\n [pageId]: pageData,\n },\n };\n }\n\n /**\n * Build session cache from student record\n *\n * @param record - Student record\n * @returns Session cache\n */\n buildCache(record: StudentRecord): SessionCache {\n return buildCacheFromRecord(record);\n }\n\n /**\n * Get all students for a release\n *\n * @param release - Release identifier\n * @returns Array of student records\n */\n async getStudentsByRelease(release: ReleaseId): Promise {\n try {\n return await this.adapter.getStudentsByRelease(release);\n } catch (err) {\n logError('Failed to get students by release', err as Error);\n throw err;\n }\n }\n\n /**\n * Clear all data from IndexedDB\n */\n async clearAll(): Promise {\n try {\n await this.adapter.clearAll();\n info('Cleared all data from IndexedDB');\n } catch (err) {\n logError('Failed to clear all data', err as Error);\n throw err;\n }\n }\n\n /**\n * Create backup of student record\n *\n * @param record - Student record to backup\n */\n async backup(record: StudentRecord): Promise {\n try {\n await this.adapter.backup(record);\n info(`Created backup for ${record.serviceId}`);\n } catch (err) {\n warn(`Failed to create backup for ${record.serviceId}`, err);\n }\n }\n}\n\n// ============================================================================\n// SINGLETON PATTERN\n// ============================================================================\n\nlet storageServiceInstance: StorageService | null = null;\nlet currentServiceDbName: string | null = null;\n\n/**\n * Get singleton storage service instance\n *\n * @param dbName - IndexedDB database name (optional, uses existing instance if available)\n */\nexport function getStorageService(dbName?: string): StorageService {\n // If instance exists and no dbName specified, return existing\n if (storageServiceInstance && !dbName) {\n return storageServiceInstance;\n }\n\n // If dbName specified and different, warn but return existing (don't break app)\n if (storageServiceInstance && dbName && currentServiceDbName !== dbName) {\n warn(\n `Storage service already initialized with dbName=\"${currentServiceDbName}\", ignoring new dbName=\"${dbName}\"`,\n );\n return storageServiceInstance;\n }\n\n // Create new instance if none exists\n if (!storageServiceInstance) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for first getStorageService() call');\n }\n storageServiceInstance = new StorageService(dbName);\n currentServiceDbName = dbName;\n }\n\n return storageServiceInstance;\n}\n\n/**\n * Reset singleton (for testing)\n */\nexport function resetStorageService(): void {\n storageServiceInstance = null;\n currentServiceDbName = null;\n}\n","/**\n * Quiz Table Enhancer\n *\n * Implements single-phase progressive enhancement for quiz tables.\n * Replaces the old two-phase (prepare/activate) pattern with a simpler\n * conditional approach based on interactive flag.\n *\n * Features:\n * - Non-interactive mode: Hide answer column for security\n * - Interactive mode: Inject input controls, validation, auto-save\n * - Uses WeakMap for metadata (not DOM attributes)\n * - Debounced auto-save to prevent excessive writes\n * - Event emission for state changes\n */\n\nimport type {\n ParsedQuizTable,\n QuizQuestion,\n AnswerRecord,\n PageId,\n SessionData,\n SessionCache,\n} from '../types/contracts.js';\nimport { parseQuizTable } from '../services/quiz-parser.js';\nimport { validateAnswer } from '../services/quiz-parser.js';\nimport { registerPageQuestions } from '../services/session.js';\nimport { getQuestionInputSpec } from '../services/question-input.js';\nimport { formatStudentAnswersForDisplay } from '../services/answer-display.js';\nimport { Debouncer } from '../utils/debouncer.js';\nimport { createElement, addClass, removeClass } from '../utils/dom-helpers.js';\nimport { emitCustomEvent } from '../utils/event-helpers.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info, error as logError, warn } from '../utils/logger.js';\nimport { getStorageService } from '../services/storage-service.js';\n\n/**\n * Enhancement options\n */\nexport interface EnhanceQuizTableOptions {\n /** Whether to enable interactive controls */\n interactive: boolean;\n /** Current page ID (required for interactive mode) */\n pageId?: PageId;\n}\n\n/**\n * Quiz table metadata (stored in WeakMap)\n */\ninterface QuizTableMetadata {\n /** Parsed quiz data */\n parsed: ParsedQuizTable;\n /** Enhancement mode */\n interactive: boolean;\n /** Page ID (if interactive) */\n pageId?: PageId;\n /** Row input elements (if interactive) - can be text inputs or select dropdowns */\n inputs?: (HTMLInputElement | HTMLSelectElement)[];\n /** Debouncer for auto-save */\n debouncer?: Debouncer;\n /** Cleanup function for instructor event listeners */\n cleanupInstructorListeners?: () => void;\n}\n\n// WeakMap to store table metadata without polluting DOM\nconst tableMetadata = new WeakMap();\n\n/**\n * Enhance a quiz table with single-phase enhancement\n *\n * @param table - The quiz table element\n * @param options - Enhancement options\n * @returns true if enhancement succeeded, false if errors occurred\n *\n * @example\n * ```typescript\n * // Non-interactive mode (hide answers)\n * const table = document.querySelector('table.qd-quiz');\n * if (table) {\n * enhanceQuizTable(table, { interactive: false });\n * }\n *\n * // Interactive mode (inject controls)\n * enhanceQuizTable(table, { interactive: true, pageId: 'gram-1' });\n * ```\n */\nexport function enhanceQuizTable(\n table: HTMLTableElement,\n options: EnhanceQuizTableOptions,\n): boolean {\n // Check if already enhanced\n const existing = tableMetadata.get(table);\n let parsed: ParsedQuizTable;\n\n if (existing) {\n // If upgrading from non-interactive to interactive, proceed\n if (!existing.interactive && options.interactive) {\n info('Upgrading quiz table from non-interactive to interactive mode');\n // Reuse existing parsed data (answers already extracted before clearing DOM)\n parsed = existing.parsed;\n } else {\n // Already enhanced in same or higher mode, skip\n info('Quiz table already enhanced, skipping');\n return true;\n }\n } else {\n // Parse the table (first enhancement)\n parsed = parseQuizTable(table);\n\n // Check for parsing errors\n if (parsed.errors && parsed.errors.length > 0) {\n logError('Quiz table has validation errors:', parsed.errors);\n // Still continue enhancement to show errors visually\n }\n }\n\n // Store metadata in WeakMap\n const metadata: QuizTableMetadata = {\n parsed,\n interactive: options.interactive,\n pageId: options.pageId,\n };\n\n if (options.interactive) {\n // Validate pageId is provided for interactive mode\n if (!options.pageId) {\n logError('Interactive mode requires pageId option');\n return false;\n }\n\n info(`Preparing interactive enhancement for pageId: ${options.pageId}`);\n\n // Initialize debouncer for auto-save\n metadata.debouncer = new Debouncer();\n metadata.inputs = [];\n }\n\n tableMetadata.set(table, metadata);\n\n // Apply enhancement based on mode\n if (options.interactive) {\n const result = enhanceInteractive(table, metadata);\n if (result) {\n info(`Interactive enhancement succeeded for table with ${parsed.questions.length} questions`);\n } else {\n logError('Interactive enhancement failed');\n }\n return result;\n } else {\n return enhanceNonInteractive(table);\n }\n}\n\n/**\n * Enhance table in non-interactive mode\n * - Hide answer column (security: don't show correct answers before login)\n * - Hide detail column (security: don't show MCQ options or tolerances before login)\n *\n * @param table - Quiz table element\n * @returns true if successful\n */\nfunction enhanceNonInteractive(table: HTMLTableElement): boolean {\n // Remove colgroup to allow auto-sizing of columns\n removeColgroup(table);\n\n // Hide answer column (column index 1) - security: hide correct answers before login\n hideAnswerColumn(table);\n\n // Hide detail column (column index 2) - security: hide MCQ options/tolerances\n hideDetailColumn(table);\n\n addClass(table, 'qd-quiz-non-interactive');\n info('Quiz table enhanced in non-interactive mode');\n\n return true;\n}\n\n/**\n * Enhance table in interactive mode\n * - Inject input controls for each question\n * - Setup validation and auto-save\n * - Load existing answers from storage\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @returns true if successful\n */\nfunction enhanceInteractive(table: HTMLTableElement, metadata: QuizTableMetadata): boolean {\n const { parsed, pageId, debouncer } = metadata;\n\n if (!pageId || !debouncer) {\n logError('Interactive mode requires pageId and debouncer');\n return false;\n }\n\n // Show answer column (remove qd-hidden class from non-interactive mode)\n showAnswerColumn(table);\n\n // Hide detail column in interactive mode\n // - MCQ options are now in the select dropdown\n // - Numeric tolerance is applied automatically\n hideDetailColumn(table);\n\n // Get session data\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return false;\n }\n\n // Get session cache\n let cache = getJSON(STORAGE_KEYS.CACHE);\n if (!cache) {\n info('No cache found, creating empty cache');\n cache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n } else {\n info(\n `Cache loaded: ${cache.totals.total} total questions, ${Object.keys(cache.pages).length} pages`,\n );\n }\n\n // Register page questions (updates total count in cache)\n const totalQuestions = parsed.questions.length;\n cache = registerPageQuestions(cache, pageId, totalQuestions);\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n const pageCache = cache?.pages[pageId];\n const existingAnswers = pageCache?.answers || [];\n info(\n `Page ${pageId}: ${existingAnswers.length} existing answers, state: ${pageCache?.state || 'none'}`,\n );\n\n // Get all tbody rows\n const tbody = table.querySelector('tbody');\n if (!tbody) {\n logError('Quiz table has no tbody element');\n return false;\n }\n\n const rows = Array.from(tbody.querySelectorAll('tr'));\n const inputs: (HTMLInputElement | HTMLSelectElement)[] = [];\n\n // Inject controls for each question\n parsed.questions.forEach((question, index) => {\n const row = rows[index];\n if (!row) return;\n\n const cells = Array.from(row.querySelectorAll('td'));\n if (cells.length !== 3) return;\n\n const questionCell = cells[0];\n const answerCell = cells[1];\n\n if (!questionCell || !answerCell) return;\n\n // Get existing answer for this question\n const existingAnswer = existingAnswers[index];\n if (existingAnswer && existingAnswer.answer) {\n info(\n `Q${index + 1}: Pre-filling with \"${existingAnswer.answer}\" (${existingAnswer.success ? 'correct' : 'incorrect'})`,\n );\n }\n\n // Create input control based on question type\n const input = createQuestionInput(question, existingAnswer);\n inputs.push(input);\n\n // Clear answer cell and inject input\n answerCell.textContent = '';\n answerCell.appendChild(input);\n\n // Apply validation styling if answer exists\n if (existingAnswer) {\n applyValidationStyling(answerCell, existingAnswer.success);\n }\n\n // Setup auto-save on input change\n // Use 'change' for select elements (MCQ), 'input' for text inputs (numeric)\n const eventType = input.tagName === 'SELECT' ? 'change' : 'input';\n input.addEventListener(eventType, () => {\n handleAnswerInput(table, metadata, index, input.value);\n });\n });\n\n // Store input references\n metadata.inputs = inputs;\n\n // Setup instructor answer display listeners\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if instructor mode with toggle already enabled\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (isInstructor && showAnswers) {\n void showStudentAnswersForTable(table, metadata);\n }\n\n // Add logout listener to clear student-specific UI state (FR-001, FR-002)\n const logoutHandler = () => {\n // Clear student-specific color-coded feedback\n const answerCells = table.querySelectorAll('td.qd-answer-correct, td.qd-answer-incorrect');\n answerCells.forEach((cell) => {\n removeClass(cell, 'qd-answer-correct', 'qd-answer-incorrect');\n });\n\n // Clear any displayed student answers\n hideStudentAnswersForTable(table);\n\n info('Cleared student UI state from quiz table on logout');\n };\n\n document.addEventListener('qd:logout', logoutHandler);\n\n // Store cleanup function in metadata\n metadata.cleanupInstructorListeners = () => {\n document.removeEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.removeEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n document.removeEventListener('qd:logout', logoutHandler);\n };\n\n addClass(table, 'qd-quiz-interactive');\n info(`Quiz table enhanced in interactive mode for page ${pageId}`);\n\n return true;\n}\n\n/**\n * Create input control for a question\n *\n * For MCQ questions: Creates a dropdown with options\n * For numeric questions: Creates a text input\n *\n * Uses getQuestionInputSpec() for pure logic, then creates DOM elements.\n *\n * @param question - Quiz question\n * @param existingAnswer - Existing answer if any\n * @returns Input or select element\n */\nfunction createQuestionInput(\n question: QuizQuestion,\n existingAnswer?: AnswerRecord,\n): HTMLInputElement | HTMLSelectElement {\n const spec = getQuestionInputSpec(question, existingAnswer);\n\n if (spec.type === 'select') {\n // Create select dropdown for MCQ\n const select = createElement('select');\n select.className = spec.className;\n\n // Add placeholder option\n const placeholderOption = createElement('option');\n placeholderOption.value = '';\n placeholderOption.textContent = spec.placeholder;\n placeholderOption.disabled = true;\n select.appendChild(placeholderOption);\n\n // Add options from spec\n if (spec.options) {\n spec.options.forEach((opt) => {\n const option = createElement('option');\n option.value = opt.value;\n option.textContent = opt.text;\n select.appendChild(option);\n });\n }\n\n // Set value from spec\n select.value = spec.value;\n\n return select;\n } else {\n // Create text input for numeric questions\n const input = createElement('input');\n input.type = spec.type;\n input.className = spec.className;\n input.placeholder = spec.placeholder;\n input.value = spec.value;\n\n return input;\n }\n}\n\n/**\n * Handle user answer input\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @param questionIndex - Question index\n * @param answer - User's answer\n */\nfunction handleAnswerInput(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n questionIndex: number,\n answer: string,\n): void {\n const { debouncer, pageId, parsed } = metadata;\n\n if (!debouncer || !pageId) {\n return;\n }\n\n const question = parsed.questions[questionIndex];\n if (!question) {\n return;\n }\n\n // Debounce the save operation (200ms delay)\n debouncer.debounce(\n `save-answer-${questionIndex}`,\n () => {\n void saveAnswer(table, metadata, questionIndex, answer);\n },\n 200,\n );\n}\n\n/**\n * Save answer to storage and update UI\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @param questionIndex - Question index\n * @param answer - User's answer\n */\nasync function saveAnswer(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n questionIndex: number,\n answer: string,\n): Promise {\n const { pageId, parsed, inputs } = metadata;\n\n if (!pageId || !inputs) {\n return;\n }\n\n const question = parsed.questions[questionIndex];\n if (!question) {\n return;\n }\n\n // Get session\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return;\n }\n\n // Validate answer\n const success = validateAnswer(question, answer);\n\n // Create answer record\n const answerRecord: AnswerRecord = {\n answer: answer.trim(),\n success,\n timestamp: new Date().toISOString(),\n };\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n } catch (err) {\n warn('Failed to load student record, answer not saved', err);\n return;\n }\n\n // Update record with new answer\n const totalQuestions = parsed.questions.length;\n const updatedRecord = storageService.updateRecordWithAnswer(\n studentRecord,\n pageId,\n questionIndex,\n answerRecord,\n totalQuestions,\n );\n\n // Save updated record to IndexedDB\n try {\n await storageService.saveStudentRecord(updatedRecord);\n } catch (err) {\n warn('Failed to save student record to IndexedDB', err);\n }\n\n // Build cache from updated record\n const cache = storageService.buildCache(updatedRecord);\n\n // Save cache to sessionStorage for quick access\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n // Apply validation styling\n const row = table.querySelector(`tbody tr:nth-child(${questionIndex + 1})`);\n if (row) {\n const answerCell = row.querySelector('td:nth-child(2)');\n if (answerCell) {\n applyValidationStyling(answerCell, success);\n }\n }\n\n // Emit events\n emitCustomEvent('qd:answer-saved', {\n pageId,\n answer: answerRecord,\n });\n\n const pageData = updatedRecord.pages[pageId];\n if (pageData) {\n emitCustomEvent('qd:state-changed', {\n pageId,\n state: pageData.state,\n });\n }\n\n info(\n `Answer saved for question ${questionIndex + 1} on page ${pageId}: ${success ? 'correct' : 'incorrect'}`,\n );\n}\n\n/**\n * Apply validation styling to answer cell\n *\n * @param cell - Answer cell element\n * @param success - Whether answer is correct\n */\nfunction applyValidationStyling(cell: Element, success: boolean): void {\n removeClass(cell, 'qd-answer-correct', 'qd-answer-incorrect');\n addClass(cell, success ? 'qd-answer-correct' : 'qd-answer-incorrect');\n}\n\n/**\n * Remove colgroup element to allow automatic column sizing\n *\n * Fixed column widths (e.g., 40%/10%/50%) don't work well when\n * columns are hidden or contain interactive controls. Removing\n * the colgroup lets the browser auto-size based on content.\n *\n * @param table - Quiz table element\n */\nfunction removeColgroup(table: HTMLTableElement): void {\n const colgroup = table.querySelector('colgroup');\n if (colgroup) {\n colgroup.remove();\n }\n}\n\n/**\n * Hide answer column (column index 1)\n *\n * SECURITY: Removes correct answers from DOM to prevent inspection via DevTools/view-source.\n * Answers are already parsed and stored in memory (WeakMap), so they're available for\n * validation when needed but not exposed in the DOM.\n *\n * @param table - Quiz table element\n */\nfunction hideAnswerColumn(table: HTMLTableElement): void {\n // Hide header cell (Answer is column 1)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[1]) {\n addClass(headerCells[1], 'qd-hidden');\n }\n\n // Hide answer cells and REMOVE content from DOM (security)\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[1]) {\n addClass(cells[1], 'qd-hidden');\n cells[1].textContent = ''; // Remove answer from DOM\n }\n });\n}\n\n/**\n * Show answer column (column index 1) for interactive mode\n *\n * Removes qd-hidden class to reveal answer cells with input controls.\n * Called when upgrading from non-interactive to interactive mode.\n *\n * @param table - Quiz table element\n */\nfunction showAnswerColumn(table: HTMLTableElement): void {\n // Show header cell (Answer is column 1)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[1]) {\n removeClass(headerCells[1], 'qd-hidden');\n }\n\n // Show answer cells in all rows\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[1]) {\n removeClass(cells[1], 'qd-hidden');\n }\n });\n}\n\n/**\n * Hide detail column (column index 2)\n *\n * Hides the Detail column which contains MCQ options or numeric tolerances.\n * This prevents users from seeing answer options before logging in.\n *\n * @param table - Quiz table element\n */\nfunction hideDetailColumn(table: HTMLTableElement): void {\n // Hide header cell (Detail is column 2)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[2]) {\n addClass(headerCells[2], 'qd-hidden');\n }\n\n // Hide detail cells in all rows\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[2]) {\n addClass(cells[2], 'qd-hidden');\n }\n });\n}\n\n/**\n * Get quiz table metadata\n *\n * @param table - Quiz table element\n * @returns Metadata if table has been enhanced, undefined otherwise\n */\nexport function getQuizTableMetadata(table: HTMLTableElement): QuizTableMetadata | undefined {\n return tableMetadata.get(table);\n}\n\n/**\n * Check if table is enhanced\n *\n * @param table - Quiz table element\n * @returns true if table has been enhanced\n */\nexport function isQuizTableEnhanced(table: HTMLTableElement): boolean {\n return tableMetadata.has(table);\n}\n\n/**\n * Reset quiz table to non-interactive mode\n * Called on logout to allow re-enhancement on next login\n *\n * @param table - Quiz table element\n */\nexport function resetQuizTableToNonInteractive(table: HTMLTableElement): void {\n const metadata = tableMetadata.get(table);\n if (!metadata) return;\n\n // Update metadata to mark as non-interactive\n metadata.interactive = false;\n metadata.pageId = undefined;\n metadata.inputs = undefined;\n\n // Cleanup event listeners if they exist\n metadata.cleanupInstructorListeners?.();\n metadata.cleanupInstructorListeners = undefined;\n\n // Hide answer and detail columns\n hideAnswerColumn(table);\n hideDetailColumn(table);\n\n // Remove interactive class\n removeClass(table, 'qd-quiz-interactive');\n\n info('Quiz table reset to non-interactive mode');\n}\n\n/**\n * Show student answers for all questions in table (instructor mode)\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n */\nexport async function showStudentAnswersForTable(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n): Promise {\n const { pageId, parsed } = metadata;\n if (!pageId) return;\n\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n // Get storage service to load all student records\n const { getStorageService } = await import('../services/storage-service.js');\n const storageService = getStorageService();\n\n try {\n // Load all student records for current release\n const students = await storageService.getStudentsByRelease(session.release);\n\n // Check if there are any students\n if (students.length === 0) {\n info('No student data available for this release');\n alert(\n 'No student data available for this release. Students need to log in and answer questions first.',\n );\n return;\n }\n\n // Get tbody rows\n const tbody = table.querySelector('tbody');\n if (!tbody) return;\n\n const rows = Array.from(tbody.querySelectorAll('tr'));\n\n // For each question, collect student answers and display using formatStudentAnswersForDisplay\n parsed.questions.forEach((_question, questionIndex) => {\n const row = rows[questionIndex];\n if (!row) return;\n\n const cells = Array.from(row.querySelectorAll('td'));\n const answerCell = cells[1];\n if (!answerCell) return;\n\n // Remove any existing student answers display\n const existingDisplay = answerCell.querySelector('.qd-student-answers');\n if (existingDisplay) {\n existingDisplay.remove();\n }\n\n // Use pure helper function to format student answers\n const studentAnswers = formatStudentAnswersForDisplay(students, pageId, questionIndex);\n\n // Create display element from formatted data\n if (studentAnswers.length > 0) {\n const display = document.createElement('div');\n display.className = 'qd-student-answers';\n\n studentAnswers.forEach((sa) => {\n const answerDiv = document.createElement('div');\n answerDiv.className = `qd-student-answer ${sa.cssClass}`;\n\n // Format: Name (last 4 of serviceId): answer [timestamp] (FR-007: 24-hour format)\n answerDiv.innerHTML = `\n ${sa.name} (${sa.maskedServiceId}):\n ${sa.answer}\n ${sa.formattedTimestamp}\n `;\n\n display.appendChild(answerDiv);\n });\n\n answerCell.appendChild(display);\n }\n });\n\n info(`Displayed student answers for ${students.length} students on page ${pageId}`);\n } catch (err) {\n logError('Failed to load student answers', err as Error);\n }\n}\n\n/**\n * Hide student answers for all questions in table\n *\n * @param table - Quiz table element\n */\nexport function hideStudentAnswersForTable(table: HTMLTableElement): void {\n const displays = table.querySelectorAll('.qd-student-answers');\n displays.forEach((display) => display.remove());\n info('Hid student answers from quiz table');\n}\n","/**\n * Question Input Service\n *\n * Pure functions for generating question input specifications.\n * No DOM dependencies - returns data structures that can be tested\n * without browser environment.\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport type { QuizQuestion, AnswerRecord } from '../types/contracts.js';\n\n/**\n * Option specification for MCQ dropdowns\n */\nexport interface OptionSpec {\n value: string;\n text: string;\n}\n\n/**\n * Specification for rendering a question input\n */\nexport interface QuestionInputSpec {\n /** Input type: 'select' for MCQ, 'text' for numeric */\n type: 'select' | 'text';\n /** CSS class name */\n className: string;\n /** Placeholder text */\n placeholder: string;\n /** Current value (from existing answer or empty) */\n value: string;\n /** Options for select (MCQ only) */\n options?: OptionSpec[];\n}\n\n/**\n * Get input specification for a quiz question\n *\n * Returns a data structure describing how to render the input,\n * without creating DOM elements.\n *\n * @param question - Quiz question configuration\n * @param existingAnswer - Existing answer record (optional)\n * @returns Input specification\n */\nexport function getQuestionInputSpec(\n question: QuizQuestion,\n existingAnswer?: AnswerRecord,\n): QuestionInputSpec {\n if (question.kind === 'mcq') {\n // MCQ question - select dropdown\n const options: OptionSpec[] = (question.options || []).map((optionText, index) => ({\n value: String(index + 1), // 1-indexed\n text: `${index + 1}. ${optionText}`,\n }));\n\n return {\n type: 'select',\n className: 'qd-quiz-input',\n placeholder: 'Select an answer...',\n value: existingAnswer?.answer || '',\n options,\n };\n } else {\n // Numeric question - text input\n return {\n type: 'text',\n className: 'qd-quiz-input',\n placeholder: 'Enter value',\n value: existingAnswer?.answer || '',\n };\n }\n}\n","/**\n * Answer Display Service\n *\n * Pure functions for formatting student answer data for display.\n * No DOM dependencies - returns data structures that can be tested\n * without browser environment.\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport type { StudentRecord, PageId } from '../types/contracts.js';\nimport { formatStoredTimestamp } from '../utils/date-helpers.js';\n\n/**\n * Formatted student answer for display\n */\nexport interface StudentAnswerDisplay {\n /** Student name */\n name: string;\n /** Last 4 digits of service ID */\n maskedServiceId: string;\n /** Answer value */\n answer: string;\n /** Whether answer is correct */\n success: boolean;\n /** Formatted timestamp for display (24-hour format) */\n formattedTimestamp: string;\n /** CSS class based on success: 'qd-correct' or 'qd-incorrect' */\n cssClass: 'qd-correct' | 'qd-incorrect';\n}\n\n/**\n * Format student answers for a specific question for display\n *\n * Collects and formats answers from all students for a specific\n * question, ready for rendering in instructor view.\n *\n * @param students - Array of student records\n * @param pageId - Page identifier\n * @param questionIndex - 0-based question index\n * @returns Array of formatted student answers\n */\nexport function formatStudentAnswersForDisplay(\n students: StudentRecord[],\n pageId: PageId,\n questionIndex: number,\n): StudentAnswerDisplay[] {\n const result: StudentAnswerDisplay[] = [];\n\n for (const student of students) {\n const pageData = student.pages[pageId];\n if (!pageData || !pageData.answers) continue;\n\n const answerRecord = pageData.answers[questionIndex];\n if (!answerRecord) continue;\n\n result.push({\n name: student.name,\n maskedServiceId: student.serviceId.slice(-4),\n answer: answerRecord.answer,\n success: answerRecord.success,\n formattedTimestamp: formatStoredTimestamp(answerRecord.timestamp),\n cssClass: answerRecord.success ? 'qd-correct' : 'qd-incorrect',\n });\n }\n\n return result;\n}\n","/**\n * Analysis Table Parser\n *\n * Parses analysis tables and generates stable identifiers for table and cells.\n *\n * Key concepts:\n * - TableId: 16-char hash based on table structure (rows × cols + className)\n * - CellKey: Format \"R{row}C{col}#f:{hash}\" where hash is 8-char from normalized content\n * - Editable cells: Cells WITH 'interactive' class\n * - Read-only cells: Cells WITHOUT 'interactive' class\n *\n * Author constraints:\n * - Add class=\"interactive\" to cells that should be editable in interactive mode\n * - Cells without this class will always be read-only\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const parsed = parseAnalysisTable(table);\n * console.log(`Table ID: ${parsed.tableId}`);\n * console.log(`Editable cells: ${parsed.editableCells.length}`);\n * }\n * ```\n */\n\nimport type { ParsedAnalysisTable, TableId, CellKey } from '../types/contracts.js';\nimport { getTableRows, getRowCells, getTextContent } from '../utils/dom-helpers.js';\n\n/**\n * Generate a hash from a string using a simple but stable hash algorithm\n *\n * Uses a modified DJB2 hash algorithm for simplicity and stability.\n * Not cryptographically secure, but suitable for generating stable identifiers.\n *\n * @param input - String to hash\n * @param length - Desired hash length (default: 16)\n * @returns Hex-encoded hash of specified length\n */\nfunction hashString(input: string, length = 16): string {\n let hash = 5381;\n\n for (let i = 0; i < input.length; i++) {\n const char = input.charCodeAt(i);\n hash = (hash << 5) + hash + char; // hash * 33 + char\n hash = hash & hash; // Convert to 32-bit integer\n }\n\n // Convert to positive hex string\n const hexHash = Math.abs(hash).toString(16).padStart(8, '0');\n\n // Repeat and truncate to desired length\n const repeatedHash = hexHash.repeat(Math.ceil(length / hexHash.length));\n return repeatedHash.substring(0, length);\n}\n\n/**\n * Generate stable table ID based on structure\n *\n * Format: 16-character hash from \"{rows}x{cols}:{className}\"\n *\n * @param table - Analysis table element\n * @returns Stable table identifier\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const tableId = generateTableId(table);\n * console.log(tableId); // \"8e2b4a1c9f3d7b6e\"\n * }\n * ```\n */\nexport function generateTableId(table: HTMLTableElement): TableId {\n const rows = getTableRows(table);\n const firstRow = rows[0];\n const cols = firstRow ? getRowCells(firstRow).length : 0;\n const className = table.className || 'qd-analysis';\n\n // Create structure signature: \"3x4:qd-analysis\"\n const signature = `${rows.length}x${cols}:${className}`;\n\n return hashString(signature, 16);\n}\n\n/**\n * Generate stable cell key\n *\n * Format: \"R{row}C{col}#f:{hash}\"\n * - Row and column are 0-indexed\n * - Hash is 8-char from normalized cell content (whitespace collapsed)\n *\n * @param row - Row index (0-based)\n * @param col - Column index (0-based)\n * @param content - Cell content\n * @returns Stable cell key\n *\n * @example\n * ```typescript\n * const key = generateCellKey(2, 4, 'Sample content');\n * console.log(key); // \"R2C4#f:abc123de\"\n * ```\n */\nexport function generateCellKey(row: number, col: number, content: string): CellKey {\n // Normalize content: collapse whitespace, trim\n const normalized = content.replace(/\\s+/g, ' ').trim();\n\n // Generate 8-char hash from normalized content\n const contentHash = hashString(normalized, 8);\n\n return `R${row}C${col}#f:${contentHash}`;\n}\n\n/**\n * Check if a cell is editable\n *\n * A cell is editable if it HAS the 'interactive' class.\n * Cells without this class are considered read-only (headers or pre-filled content).\n *\n * Author constraint: Add class=\"interactive\" to cells that should be editable.\n *\n * @param cell - Table cell element\n * @returns true if cell has 'interactive' class, false otherwise\n *\n * @example\n * ```typescript\n * const cell = row.cells[0];\n * if (isCellEditable(cell)) {\n * // Cell has class=\"interactive\", make it editable\n * } else {\n * // Cell is read-only\n * }\n * ```\n */\nexport function isCellEditable(cell: HTMLTableCellElement): boolean {\n // Check for 'interactive' class\n return cell.classList.contains('interactive');\n}\n\n/**\n * Parse an analysis table\n *\n * Extracts table structure, generates stable identifiers, and identifies editable cells.\n *\n * @param table - Analysis table element\n * @returns Parsed analysis table data\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const parsed = parseAnalysisTable(table);\n *\n * if (parsed.errors && parsed.errors.length > 0) {\n * console.error('Validation errors:', parsed.errors);\n * }\n *\n * console.log(`Table ID: ${parsed.tableId}`);\n * console.log(`Editable cells: ${parsed.editableCells.length}`);\n * }\n * ```\n */\nexport function parseAnalysisTable(table: HTMLTableElement): ParsedAnalysisTable {\n const errors: string[] = [];\n\n // Validate table structure\n if (!table.querySelector('tbody')) {\n errors.push('Analysis table must have a tbody element');\n }\n\n const rows = getTableRows(table);\n if (rows.length === 0) {\n errors.push('Analysis table must have at least one row');\n }\n\n // Generate table ID\n const tableId = generateTableId(table);\n\n // Identify editable cells\n const editableCells: ParsedAnalysisTable['editableCells'] = [];\n\n rows.forEach((row, rowIndex) => {\n const cells = getRowCells(row);\n\n cells.forEach((cell, colIndex) => {\n if (isCellEditable(cell)) {\n const content = getTextContent(cell);\n const key = generateCellKey(rowIndex, colIndex, content);\n\n editableCells.push({\n row: rowIndex,\n col: colIndex,\n key,\n });\n }\n });\n });\n\n return {\n element: table,\n tableId,\n editableCells,\n errors: errors.length > 0 ? errors : undefined,\n };\n}\n","/**\n * Analysis Table Enhancer\n *\n * Implements single-phase progressive enhancement for analysis tables.\n * Similar to quiz-table enhancer but for free-form editable content.\n *\n * Features:\n * - Non-interactive mode: Read-only display\n * - Interactive mode: Enable editing for cells with 'interactive' class\n * - Debounced auto-save to prevent excessive writes\n * - Stable cell keys for persistence across page reloads\n * - Uses WeakMap for metadata (not DOM attributes)\n * - Event emission for data changes\n *\n * Author constraints:\n * - Cells WITH class=\"interactive\" = editable (in interactive mode)\n * - Cells WITHOUT 'interactive' class = read-only (always)\n * - Maximum ONE analysis table per page\n */\n\nimport type {\n ParsedAnalysisTable,\n AnalysisData,\n PageId,\n SessionData,\n SessionCache,\n CellKey,\n StudentRecord,\n ServiceId,\n} from '../types/contracts.js';\nimport { parseAnalysisTable, isCellEditable } from '../services/analysis-parser.js';\nimport { Debouncer } from '../utils/debouncer.js';\nimport { getTableRows, getRowCells, addClass, getTextContent } from '../utils/dom-helpers.js';\nimport { emitCustomEvent } from '../utils/event-helpers.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info, error as logError, warn } from '../utils/logger.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { formatStoredTimestamp } from '../utils/date-helpers.js';\n\n/**\n * Enhancement options\n */\nexport interface EnhanceAnalysisTableOptions {\n /** Whether to enable interactive editing */\n interactive: boolean;\n /** Current page ID (required for interactive mode) */\n pageId?: PageId;\n}\n\n/**\n * Analysis table metadata (stored in WeakMap)\n */\ninterface AnalysisTableMetadata {\n /** Parsed analysis data */\n parsed: ParsedAnalysisTable;\n /** Enhancement mode */\n interactive: boolean;\n /** Page ID (if interactive) */\n pageId?: PageId;\n /** Debouncer for auto-save */\n debouncer?: Debouncer;\n /** Cell element to cell key mapping */\n cellKeyMap?: Map;\n}\n\n/**\n * Student entry for a cell (used in instructor view)\n */\nexport interface CellEntry {\n serviceId: ServiceId;\n name: string;\n content: string;\n timestamp: string;\n}\n\n// WeakMap to store table metadata without polluting DOM\nconst tableMetadata = new WeakMap();\n\n/**\n * Enhance an analysis table with single-phase enhancement\n *\n * @param table - The analysis table element\n * @param options - Enhancement options\n * @returns true if enhancement succeeded, false if errors occurred\n *\n * @example\n * ```typescript\n * // Non-interactive mode (read-only)\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * enhanceAnalysisTable(table, { interactive: false });\n * }\n *\n * // Interactive mode (enable editing)\n * enhanceAnalysisTable(table, { interactive: true, pageId: 'gram-1' });\n * ```\n */\nexport function enhanceAnalysisTable(\n table: HTMLTableElement,\n options: EnhanceAnalysisTableOptions,\n): boolean {\n // Parse the table\n const parsed = parseAnalysisTable(table);\n\n // Check for parsing errors\n if (parsed.errors && parsed.errors.length > 0) {\n logError('Analysis table has validation errors:', parsed.errors);\n // Still continue enhancement to show errors visually\n }\n\n // Store metadata in WeakMap\n const metadata: AnalysisTableMetadata = {\n parsed,\n interactive: options.interactive,\n pageId: options.pageId,\n };\n\n if (options.interactive) {\n // Validate pageId is provided for interactive mode\n if (!options.pageId) {\n logError('Interactive mode requires pageId option');\n return false;\n }\n\n // Initialize debouncer for auto-save\n metadata.debouncer = new Debouncer();\n metadata.cellKeyMap = new Map();\n }\n\n tableMetadata.set(table, metadata);\n\n // Apply enhancement based on mode\n if (options.interactive) {\n return enhanceInteractive(table, metadata);\n } else {\n return enhanceNonInteractive(table);\n }\n}\n\n/**\n * Enhance table in non-interactive mode\n * - Read-only display (no contenteditable)\n * - Listen for instructor view events to display student entries\n *\n * @param table - Analysis table element\n * @returns true if successful\n */\nfunction enhanceNonInteractive(table: HTMLTableElement): boolean {\n addClass(table, 'qd-analysis-non-interactive');\n\n // Add event listeners for instructor view\n const showHandler = () => {\n void showStudentEntriesForTable(table);\n };\n\n const hideHandler = () => {\n hideStudentEntriesForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showHandler);\n document.addEventListener('qd:instructor-hide-answers', hideHandler);\n\n info('Analysis table enhanced in non-interactive mode with instructor view support');\n\n return true;\n}\n\n/**\n * Enhance table in interactive mode\n * - Enable editing for cells without background-color\n * - Setup auto-save with debouncing\n * - Load existing data from storage\n *\n * @param table - Analysis table element\n * @param metadata - Table metadata\n * @returns true if successful\n */\nfunction enhanceInteractive(table: HTMLTableElement, metadata: AnalysisTableMetadata): boolean {\n const { parsed, pageId, debouncer, cellKeyMap } = metadata;\n\n if (!pageId || !debouncer || !cellKeyMap) {\n logError('Interactive mode requires pageId, debouncer, and cellKeyMap');\n return false;\n }\n\n // Get session data\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return false;\n }\n\n // Get session cache\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const pageCache = cache?.pages[pageId];\n const existingAnalysis = pageCache?.analysis;\n\n // Load existing cell data if available\n const existingCells = existingAnalysis?.cells || {};\n\n // Get all rows\n const rows = getTableRows(table);\n\n // Enable editing for editable cells\n parsed.editableCells.forEach(({ row, col, key }) => {\n const rowElement = rows[row];\n if (!rowElement) return;\n\n const cells = getRowCells(rowElement);\n const cell = cells[col];\n if (!cell) return;\n\n // Verify cell is still editable (defensive check)\n if (!isCellEditable(cell)) {\n logError(`Cell at R${row}C${col} is no longer editable`);\n return;\n }\n\n // Store cell key mapping\n cellKeyMap.set(cell, key);\n\n // Load existing content if available\n if (existingCells[key]) {\n cell.textContent = existingCells[key];\n }\n\n // Make cell editable\n cell.contentEditable = 'true';\n addClass(cell, 'qd-editable');\n\n // Setup auto-save on input\n cell.addEventListener('input', () => {\n handleCellEdit(metadata, cell, key);\n });\n\n // Prevent Enter key from creating line breaks (optional - may want multi-line)\n // For now, allow multi-line editing\n });\n\n addClass(table, 'qd-analysis-interactive');\n info(`Analysis table enhanced in interactive mode for page ${pageId}`);\n\n return true;\n}\n\n/**\n * Handle cell edit\n *\n * @param metadata - Table metadata\n * @param cell - Edited cell element\n * @param cellKey - Cell key\n */\nfunction handleCellEdit(\n metadata: AnalysisTableMetadata,\n cell: HTMLTableCellElement,\n cellKey: CellKey,\n): void {\n const { debouncer, pageId } = metadata;\n\n if (!debouncer || !pageId) {\n return;\n }\n\n const content = getTextContent(cell);\n\n // Debounce the save operation (500ms delay - longer than quiz for thoughtful editing)\n debouncer.debounce(\n `save-cell-${cellKey}`,\n () => {\n void saveCellData(metadata, cellKey, content);\n },\n 500,\n );\n}\n\n/**\n * Save cell data to storage (sessionStorage + IndexedDB)\n *\n * @param metadata - Table metadata\n * @param cellKey - Cell key\n * @param content - Cell content\n */\nasync function saveCellData(\n metadata: AnalysisTableMetadata,\n cellKey: CellKey,\n content: string,\n): Promise {\n const { pageId, parsed } = metadata;\n\n if (!pageId) {\n return;\n }\n\n // Get session\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return;\n }\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n } catch (err) {\n warn('Failed to load student record, analysis not saved', err);\n return;\n }\n\n // Get or create page data in student record\n const pageData = studentRecord.pages[pageId] || {\n answers: [],\n state: 'unstarted' as const,\n };\n\n // Get or create analysis data\n const analysisData: AnalysisData = pageData.analysis || {\n tableId: parsed.tableId,\n cells: {},\n };\n\n // Update cell content\n analysisData.cells[cellKey] = content;\n\n // Update timestamps\n const now = new Date().toISOString();\n if (!analysisData.firstEdited) {\n analysisData.firstEdited = now;\n }\n analysisData.lastEdited = now;\n\n // Store analysis data in page\n pageData.analysis = analysisData;\n\n // Update student record\n studentRecord.pages[pageId] = pageData;\n studentRecord.updated = now;\n\n // Save updated record to IndexedDB\n try {\n await storageService.saveStudentRecord(studentRecord);\n } catch (err) {\n warn('Failed to save student record to IndexedDB', err);\n }\n\n // Build cache from updated record\n const cache = storageService.buildCache(studentRecord);\n\n // Save cache to sessionStorage for quick access\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n // Emit event\n emitCustomEvent('qd:analysis-saved', {\n pageId,\n tableId: parsed.tableId,\n cellKey,\n content,\n });\n\n info(`Analysis cell saved for ${cellKey} on page ${pageId}`);\n}\n\n/**\n * Get analysis table metadata\n *\n * @param table - Analysis table element\n * @returns Metadata if table has been enhanced, undefined otherwise\n */\nexport function getAnalysisTableMetadata(\n table: HTMLTableElement,\n): AnalysisTableMetadata | undefined {\n return tableMetadata.get(table);\n}\n\n/**\n * Check if table is enhanced\n *\n * @param table - Analysis table element\n * @returns true if table has been enhanced\n */\nexport function isAnalysisTableEnhanced(table: HTMLTableElement): boolean {\n return tableMetadata.has(table);\n}\n\n/**\n * Group student entries by cell key (FR-012)\n *\n * @param students - All student records\n * @param pageId - Page ID to filter by\n * @returns Map of cell key to array of student entries\n */\nexport function groupEntriesByCell(\n students: StudentRecord[],\n pageId: PageId,\n): Record {\n const grouped: Record = {};\n\n students.forEach((student) => {\n const pageData = student.pages[pageId];\n if (!pageData || !pageData.analysis) {\n return;\n }\n\n const { cells } = pageData.analysis;\n const timestamp = pageData.analysis.lastEdited || student.updated;\n\n Object.entries(cells).forEach(([cellKey, content]) => {\n if (!grouped[cellKey]) {\n grouped[cellKey] = [];\n }\n\n grouped[cellKey].push({\n serviceId: student.serviceId,\n name: student.name,\n content,\n timestamp,\n });\n });\n });\n\n return grouped;\n}\n\n/**\n * Sort entries by timestamp in descending order (newest first) (FR-012)\n *\n * @param entries - Cell entries to sort\n * @returns Sorted entries (newest first)\n */\nexport function sortByTimestamp(entries: CellEntry[]): CellEntry[] {\n return [...entries].sort((a, b) => {\n const dateA = new Date(a.timestamp).getTime();\n const dateB = new Date(b.timestamp).getTime();\n return dateB - dateA; // Descending (newest first)\n });\n}\n\n/**\n * Create display element for student entries (FR-012, FR-013)\n *\n * @param entries - Student entries for a cell (should already be sorted)\n * @returns HTML div element with entries or placeholder\n */\nexport function createStudentEntriesDisplay(entries: CellEntry[]): HTMLDivElement {\n const container = document.createElement('div');\n container.className = 'qd-student-entries';\n\n if (entries.length === 0) {\n // FR-013: Placeholder for empty cells\n container.className += ' qd-no-entries';\n container.textContent = '(No entries yet)';\n container.style.cssText =\n 'color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;';\n return container;\n }\n\n // Sort entries before displaying (newest first)\n const sortedEntries = sortByTimestamp(entries);\n\n // FR-012: Display each student entry (single line format)\n sortedEntries.forEach((entry) => {\n const entryDiv = document.createElement('div');\n entryDiv.className = 'qd-entry';\n entryDiv.style.cssText =\n 'padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;';\n\n // Student name with last 4 digits of serviceId\n const last4 = entry.serviceId.slice(-4);\n const timestamp = formatStoredTimestamp(entry.timestamp);\n\n // Single line: name (id) • timestamp: content\n const nameSpan = document.createElement('span');\n nameSpan.style.cssText = 'font-weight: 600; color: #374151;';\n nameSpan.textContent = `${entry.name} (${last4}) • ${timestamp}: `;\n\n const contentSpan = document.createElement('span');\n contentSpan.style.cssText = 'white-space: pre-wrap;';\n contentSpan.textContent = entry.content;\n\n entryDiv.appendChild(nameSpan);\n entryDiv.appendChild(contentSpan);\n container.appendChild(entryDiv);\n });\n\n container.style.cssText = 'margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;';\n\n return container;\n}\n\n/**\n * Show student entries for all cells in the table (instructor view)\n *\n * @param table - Analysis table element\n */\nasync function showStudentEntriesForTable(table: HTMLTableElement): Promise {\n const metadata = tableMetadata.get(table);\n if (!metadata) {\n warn('Cannot show student entries: table not enhanced');\n return;\n }\n\n // Get current page ID from metadata (if interactive) or from document\n const pageId = metadata.pageId || getCurrentPageId();\n if (!pageId) {\n warn('Cannot show student entries: page ID not found');\n return;\n }\n\n // Get session to determine release\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n warn('Cannot show student entries: no active session');\n return;\n }\n\n // Load all students for this release\n const storageService = getStorageService();\n let students: StudentRecord[];\n try {\n students = await storageService.getStudentsByRelease(session.release);\n } catch (err) {\n logError('Failed to load students for instructor view:', err);\n return;\n }\n\n // Group entries by cell\n const grouped = groupEntriesByCell(students, pageId);\n\n // Get all editable cells from parsed data\n const { editableCells } = metadata.parsed;\n const rows = getTableRows(table);\n\n // Display entries for each editable cell\n editableCells.forEach(({ row, col, key }) => {\n const rowElement = rows[row];\n if (!rowElement) return;\n\n const cells = getRowCells(rowElement);\n const cell = cells[col];\n if (!cell) return;\n\n // Get entries for this cell\n const entries = grouped[key] || [];\n\n // Create and append display element\n const displayElement = createStudentEntriesDisplay(entries);\n displayElement.setAttribute('data-qd-student-entries', 'true');\n\n // Remove any existing display\n const existing = cell.querySelector('[data-qd-student-entries]');\n if (existing) {\n existing.remove();\n }\n\n cell.appendChild(displayElement);\n });\n\n info(`Displayed student entries for ${editableCells.length} cells`);\n}\n\n/**\n * Hide student entries for all cells in the table\n *\n * @param table - Analysis table element\n */\nfunction hideStudentEntriesForTable(table: HTMLTableElement): void {\n // Remove all student entry displays\n const displays = table.querySelectorAll('[data-qd-student-entries]');\n displays.forEach((display) => display.remove());\n\n info('Hidden student entries from analysis table');\n}\n\n/**\n * Reset analysis table to non-interactive mode\n * Called on logout to clear student/instructor UI state\n *\n * @param table - Analysis table element\n */\nexport function resetAnalysisTableToNonInteractive(table: HTMLTableElement): void {\n const metadata = tableMetadata.get(table);\n if (!metadata) return;\n\n // Hide any displayed student entries (instructor view)\n hideStudentEntriesForTable(table);\n\n // If table was interactive, disable editing and clear content\n if (metadata.interactive) {\n // Find all editable cells, clear content, and disable contentEditable\n const editableCells = table.querySelectorAll('.qd-editable');\n editableCells.forEach((cell) => {\n if (cell instanceof HTMLTableCellElement) {\n cell.contentEditable = 'false';\n cell.classList.remove('qd-editable');\n // Clear student-entered content on logout\n cell.textContent = '';\n }\n });\n\n // Remove interactive class from table\n table.classList.remove('qd-analysis-interactive');\n\n // Cancel any pending saves\n metadata.debouncer?.cancelAll();\n }\n\n // Update metadata to mark as non-interactive\n metadata.interactive = false;\n metadata.pageId = undefined;\n metadata.debouncer = undefined;\n metadata.cellKeyMap = undefined;\n\n info('Reset analysis table to non-interactive mode');\n}\n\n/**\n * Get current page ID from document\n * Extracts from body data attribute or URL\n *\n * @returns Page ID or undefined\n */\nfunction getCurrentPageId(): PageId | undefined {\n // Try body data attribute first\n const bodyPageId = document.body.dataset.pageId;\n if (bodyPageId) {\n return bodyPageId;\n }\n\n // Fallback: extract from URL filename\n const path = window.location.pathname;\n const filename = path.split('/').pop() || '';\n const pageId = filename.replace('.html', '');\n\n return pageId || undefined;\n}\n","/**\n * Event Coordinator\n * Registers and coordinates custom events across the application\n */\n\nimport { info } from '../utils/logger.js';\nimport {\n enhanceQuizTable,\n getQuizTableMetadata,\n resetQuizTableToNonInteractive,\n showStudentAnswersForTable,\n hideStudentAnswersForTable,\n} from '../enhancers/quiz-table.js';\nimport {\n enhanceAnalysisTable,\n resetAnalysisTableToNonInteractive,\n} from '../enhancers/analysis-table.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { setJSON, getJSON } from '../utils/storage-helpers.js';\nimport type { SessionData, SessionCache } from '../types/contracts.js';\n\n/**\n * Custom event detail types\n */\nexport interface LoginEventDetail {\n serviceId: string;\n name: string;\n release: string;\n loginTime: string;\n}\n\nexport interface LogoutEventDetail {\n serviceId: string;\n}\n\nexport interface AnswerSavedEventDetail {\n pageId: string;\n questionIndex: number;\n answer: string;\n success: boolean;\n}\n\nexport interface StateChangedEventDetail {\n pageId: string;\n state: string;\n}\n\nexport interface InstructorUnlockEventDetail {\n unlockTime: string;\n}\n\nexport interface DataClearedEventDetail {\n timestamp: string;\n}\n\n/**\n * Event coordinator for managing application events\n */\nexport class EventCoordinator {\n private listeners: Map = new Map();\n\n /**\n * Register all event listeners\n */\n initialize(): void {\n this.registerLoginHandlers();\n this.registerLogoutHandlers();\n this.registerAnswerHandlers();\n this.registerStateHandlers();\n this.registerInstructorHandlers();\n this.registerDataHandlers();\n\n info('Event coordinator initialized');\n }\n\n /**\n * Register handlers for login events\n */\n private registerLoginHandlers(): void {\n this.addEventListener('qd:login', (event) => {\n void (async () => {\n const detail = (event as CustomEvent).detail;\n info(`Login event: ${detail.serviceId} (${detail.name})`);\n\n // Skip student record handling for instructor logins\n if (detail.serviceId === 'INSTRUCTOR') {\n info('Instructor login - skipping student record handling');\n return;\n }\n\n // Get session from storage (already created by SessionService)\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n info('No session found in storage, skipping cache rebuild');\n return;\n }\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n let cache;\n\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n\n // Save student record to IndexedDB (creates if new, updates if exists)\n await storageService.saveStudentRecord(studentRecord);\n\n cache = storageService.buildCache(studentRecord);\n\n // Save cache to sessionStorage\n setJSON(STORAGE_KEYS.CACHE, cache);\n info(`Cache built from IndexedDB: ${cache.totals.total} total questions`);\n } catch {\n info('Failed to load from IndexedDB, initializing empty cache');\n // Create empty cache for first-time users\n const emptyCache: SessionCache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n setJSON(STORAGE_KEYS.CACHE, emptyCache);\n }\n\n // Trigger cache rebuild event\n this.dispatchEvent('qd:cache-rebuild', {});\n\n // Upgrade tables to interactive mode\n this.upgradeTablesAfterLogin();\n })();\n });\n }\n\n /**\n * Upgrade all tables to interactive mode after login\n */\n private upgradeTablesAfterLogin(): void {\n // Extract pageId from URL filename\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n if (!pageId) {\n info('No pageId found, skipping table upgrade to interactive mode');\n return;\n }\n\n // Check if instructor - instructors don't need interactive tables\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n info(\n 'Instructor session detected, tables remain in non-interactive mode with answers visible',\n );\n // Restore answer and detail columns for instructor view\n const quizTables = document.querySelectorAll('table.qd-quiz');\n\n quizTables.forEach((table) => {\n // Get parsed metadata (contains correct answers)\n const metadata = getQuizTableMetadata(table);\n if (!metadata) return;\n\n // Update metadata with pageId for instructor toggle\n metadata.pageId = pageId;\n\n // Remove qd-hidden class from answer column (column 1)\n const answerCells = table.querySelectorAll('td:nth-child(2), th:nth-child(2)');\n answerCells.forEach((cell) => {\n cell.classList.remove('qd-hidden');\n });\n\n // Restore answer text to data cells only (not header)\n const answerDataCells = table.querySelectorAll('tbody td:nth-child(2)');\n answerDataCells.forEach((cell, index) => {\n const question = metadata.parsed.questions[index];\n if (question && cell instanceof HTMLTableCellElement) {\n cell.textContent = question.correctAnswer;\n }\n });\n\n // Remove qd-hidden class from detail column (column 2)\n const detailCells = table.querySelectorAll('td:nth-child(3), th:nth-child(3)');\n detailCells.forEach((cell) => cell.classList.remove('qd-hidden'));\n\n // Set up instructor toggle event listeners (since table is non-interactive)\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if toggle already enabled\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (showAnswers) {\n void showAnswersHandler();\n }\n });\n return;\n }\n\n // Upgrade quiz tables\n const quizTables = document.querySelectorAll('table.qd-quiz');\n if (quizTables.length > 0) {\n info(`Upgrading ${quizTables.length} quiz table(s) to interactive mode...`);\n quizTables.forEach((table) => {\n enhanceQuizTable(table, { interactive: true, pageId });\n });\n }\n\n // Upgrade analysis tables\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n if (analysisTables.length > 0) {\n info(`Upgrading ${analysisTables.length} analysis table(s) to interactive mode...`);\n analysisTables.forEach((table) => {\n enhanceAnalysisTable(table, { interactive: true, pageId });\n });\n }\n }\n\n /**\n * Register handlers for logout events\n */\n private registerLogoutHandlers(): void {\n this.addEventListener('qd:logout', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`Logout event: ${detail.serviceId}`);\n\n // Reset all quiz tables to non-interactive mode\n const quizTables = document.querySelectorAll('table.qd-quiz');\n quizTables.forEach((table) => {\n resetQuizTableToNonInteractive(table);\n });\n\n // Reset all analysis tables to non-interactive mode\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n analysisTables.forEach((table) => {\n resetAnalysisTableToNonInteractive(table);\n });\n\n // Clear any cached data\n this.dispatchEvent('qd:cache-clear', {});\n });\n }\n\n /**\n * Register handlers for answer saved events\n */\n private registerAnswerHandlers(): void {\n this.addEventListener('qd:answer-saved', (event) => {\n const detail = (event as CustomEvent).detail;\n info(\n `Answer saved: ${detail.pageId} Q${detail.questionIndex} = ${detail.answer} (${detail.success ? 'correct' : 'incorrect'})`,\n );\n\n // Trigger cache update\n this.dispatchEvent('qd:cache-update', { pageId: detail.pageId });\n });\n }\n\n /**\n * Register handlers for state changed events\n */\n private registerStateHandlers(): void {\n this.addEventListener('qd:state-changed', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`State changed: ${detail.pageId} → ${detail.state}`);\n\n // Update badge state\n this.dispatchEvent('qd:badge-update', { pageId: detail.pageId, state: detail.state });\n });\n }\n\n /**\n * Register handlers for instructor events\n */\n private registerInstructorHandlers(): void {\n this.addEventListener('qd:instructor-unlock', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`Instructor mode unlocked at ${detail.unlockTime}`);\n });\n\n this.addEventListener('qd:instructor-lock', () => {\n info('Instructor mode locked');\n });\n }\n\n /**\n * Register handlers for data management events\n */\n private registerDataHandlers(): void {\n this.addEventListener('qd:data-cleared', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`All data cleared at ${detail.timestamp}`);\n\n // Clear cache\n this.dispatchEvent('qd:cache-clear', {});\n });\n }\n\n /**\n * Add event listener\n */\n private addEventListener(eventName: string, handler: EventListener): void {\n document.addEventListener(eventName, handler);\n\n // Track listeners for cleanup\n const handlers = this.listeners.get(eventName) || [];\n handlers.push(handler);\n this.listeners.set(eventName, handlers);\n }\n\n /**\n * Dispatch custom event\n */\n private dispatchEvent(eventName: string, detail: T): void {\n const event = new CustomEvent(eventName, {\n detail,\n bubbles: true,\n composed: true,\n });\n document.dispatchEvent(event);\n }\n\n /**\n * Cleanup event listeners\n */\n cleanup(): void {\n for (const [eventName, handlers] of this.listeners) {\n for (const handler of handlers) {\n document.removeEventListener(eventName, handler);\n }\n }\n this.listeners.clear();\n info('Event coordinator cleaned up');\n }\n}\n","/**\n * Session Coordinator\n * Manages session lifecycle and coordinates session-related events\n */\n\nimport { SessionService } from '../services/session.js';\nimport { info, warn } from '../utils/logger.js';\nimport type { SessionData } from '../types/contracts.js';\n\n/**\n * Session coordinator for managing session lifecycle\n */\nexport class SessionCoordinator {\n private sessionService: SessionService;\n private expiryTimeoutId?: number;\n\n constructor() {\n this.sessionService = new SessionService();\n }\n\n /**\n * Initialize session coordinator\n * - Load existing session from storage\n * - Schedule expiry check\n * - Setup activity tracking\n */\n initialize(): void {\n const session = this.sessionService.getSession();\n\n if (session) {\n info(`Existing session loaded for ${session.serviceId}`);\n\n // Check if session is expired\n if (this.sessionService.isExpired()) {\n warn('Session expired, clearing');\n this.sessionService.clearSession();\n return;\n }\n\n // Schedule expiry check\n this.scheduleExpiryCheck(session);\n\n // Setup activity tracking\n this.setupActivityTracking();\n } else {\n info('No existing session found');\n }\n }\n\n /**\n * Schedule expiry check based on session timeout\n */\n private scheduleExpiryCheck(session: SessionData): void {\n // Clear existing timeout\n if (this.expiryTimeoutId !== undefined) {\n window.clearTimeout(this.expiryTimeoutId);\n }\n\n // Calculate time until expiry\n const now = new Date().getTime();\n const expiresAt = new Date(session.expiresAt).getTime();\n const timeUntilExpiry = expiresAt - now;\n\n if (timeUntilExpiry <= 0) {\n // Session already expired\n this.sessionService.clearSession();\n return;\n }\n\n // Schedule expiry\n this.expiryTimeoutId = window.setTimeout(() => {\n info('Session expired (timeout)');\n this.sessionService.clearSession();\n }, timeUntilExpiry);\n }\n\n /**\n * Setup activity tracking to extend session on user interaction\n */\n private setupActivityTracking(): void {\n const activityHandler = (): void => {\n const session = this.sessionService.getSession();\n if (!session) {\n return;\n }\n\n // Update activity timestamp and extend expiry\n this.sessionService.updateActivity();\n\n // Reschedule expiry check\n const updatedSession = this.sessionService.getSession();\n if (updatedSession) {\n this.scheduleExpiryCheck(updatedSession);\n }\n };\n\n // Track common user activities\n const events = ['click', 'keydown', 'scroll', 'mousemove'];\n\n // Debounce activity updates to avoid excessive writes\n let activityDebounceTimeout: number | undefined;\n const debouncedHandler = (): void => {\n if (activityDebounceTimeout !== undefined) {\n window.clearTimeout(activityDebounceTimeout);\n }\n\n activityDebounceTimeout = window.setTimeout(() => {\n activityHandler();\n }, 5000); 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\":\"\";l+=c===f?s+n:d>=0?(o.push(a),s.slice(0,d)+e+s.slice(d)+h+x):s+h+(-2===d?i:x)}return[P(t,l+(t[s]||\"\")+(2===i?\"\":3===i?\"\":\"\")),o]};class N{constructor({strings:t,_$litType$:s},n){let r;this.parts=[];let c=0,a=0;const u=t.length-1,d=this.parts,[f,v]=V(t,s);if(this.el=N.createElement(f,n),C.currentNode=this.el.content,2===s||3===s){const t=this.el.content.firstChild;t.replaceWith(...t.childNodes)}for(;null!==(r=C.nextNode())&&d.length0){r.textContent=i?i.emptyScript:\"\";for(let i=0;i2||\"\"!==s[0]||\"\"!==s[1]?(this._$AH=Array(s.length-1).fill(new String),this.strings=s):this._$AH=E}_$AI(t,i=this,s,e){const h=this.strings;let o=!1;if(void 0===h)t=S(this,t,i,0),o=!c(t)||t!==this._$AH&&t!==T,o&&(this._$AH=t);else{const e=t;let n,r;for(t=h[0],n=0;n{const e=s?.renderBefore??i;let h=e._$litPart$;if(void 0===h){const t=s?.renderBefore??null;e._$litPart$=h=new R(i.insertBefore(l(),t),t,void 0,s??{})}return h._$AI(t),h};export{Z as _$LH,x as html,w as mathml,T as noChange,E as nothing,B as render,b as svg};\n//# sourceMappingURL=lit-html.js.map\n","import{ReactiveElement as t}from\"@lit/reactive-element\";export*from\"@lit/reactive-element\";import{render as e,noChange as r}from\"lit-html\";export*from\"lit-html\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */const s=globalThis;class i extends t{constructor(){super(...arguments),this.renderOptions={host:this},this._$Do=void 0}createRenderRoot(){const t=super.createRenderRoot();return this.renderOptions.renderBefore??=t.firstChild,t}update(t){const r=this.render();this.hasUpdated||(this.renderOptions.isConnected=this.isConnected),super.update(t),this._$Do=e(r,this.renderRoot,this.renderOptions)}connectedCallback(){super.connectedCallback(),this._$Do?.setConnected(!0)}disconnectedCallback(){super.disconnectedCallback(),this._$Do?.setConnected(!1)}render(){return r}}i._$litElement$=!0,i[\"finalized\"]=!0,s.litElementHydrateSupport?.({LitElement:i});const o=s.litElementPolyfillSupport;o?.({LitElement:i});const n={_$AK:(t,e,r)=>{t._$AK(e,r)},_$AL:t=>t._$AL};(s.litElementVersions??=[]).push(\"4.2.1\");export{i as LitElement,n as _$LE};\n//# sourceMappingURL=lit-element.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t=t=>(e,o)=>{void 0!==o?o.addInitializer((()=>{customElements.define(t,e)})):customElements.define(t,e)};export{t as customElement};\n//# sourceMappingURL=custom-element.js.map\n","import{defaultConverter as t,notEqual as e}from\"../reactive-element.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */const o={attribute:!0,type:String,converter:t,reflect:!1,hasChanged:e},r=(t=o,e,r)=>{const{kind:n,metadata:i}=r;let s=globalThis.litPropertyMetadata.get(i);if(void 0===s&&globalThis.litPropertyMetadata.set(i,s=new Map),\"setter\"===n&&((t=Object.create(t)).wrapped=!0),s.set(r.name,t),\"accessor\"===n){const{name:o}=r;return{set(r){const n=e.get.call(this);e.set.call(this,r),this.requestUpdate(o,n,t)},init(e){return void 0!==e&&this.C(o,void 0,t,e),e}}}if(\"setter\"===n){const{name:o}=r;return function(r){const n=this[o];e.call(this,r),this.requestUpdate(o,n,t)}}throw Error(\"Unsupported decorator location: \"+n)};function n(t){return(e,o)=>\"object\"==typeof o?r(t,e,o):((t,e,o)=>{const r=e.hasOwnProperty(o);return e.constructor.createProperty(o,t),r?Object.getOwnPropertyDescriptor(e,o):void 0})(t,e,o)}export{n as property,r as standardProperty};\n//# sourceMappingURL=property.js.map\n","import{property as t}from\"./property.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */function r(r){return t({...r,state:!0,attribute:!1})}export{r as state};\n//# sourceMappingURL=state.js.map\n","/**\n * DOM Configuration Reader\n *\n * Reads runtime configuration from hidden DOM elements injected by DITA publishing.\n * This allows configuration to be set via Oxygen Transformation Scenario parameters.\n *\n * Pattern: value\n */\n\nimport { info, warn } from '../utils/logger.js';\n\n/**\n * Configuration keys that can be read from DOM\n */\nexport interface DOMConfig {\n /**\n * CSS selector for status panel container\n * Default: '.wh_top_menu_and_indexterms_link'\n * DOM ID: 'qd-status-container'\n */\n statusPanelContainer: string;\n\n /**\n * CSS selector for publication title element (Release ID extraction)\n * Default: '.wh_publication_title .title'\n * DOM ID: 'qd-title-selector'\n */\n titleSelector: string;\n\n /**\n * Instructor password hash (12-character hash for verification)\n * Default: '' (no instructor access)\n * DOM ID: 'qd-instructor-hash'\n */\n instructorHash: string;\n\n /**\n * IndexedDB database name\n * REQUIRED: Must be provided via #qd-db-name element - no default\n * DOM ID: 'qd-db-name'\n */\n dbName: string;\n}\n\n/**\n * Default configuration values\n * NOTE: dbName has NO default - it MUST be provided via #qd-db-name element\n */\nconst DEFAULT_CONFIG: Omit & { dbName: string } = {\n statusPanelContainer: '.wh_top_menu_and_indexterms_link',\n titleSelector: '.wh_publication_title .title',\n instructorHash: '',\n dbName: '', // No default - must be provided by page\n};\n\n/**\n * Configuration element IDs\n */\nexport const CONFIG_IDS = {\n statusPanelContainer: 'qd-status-container',\n titleSelector: 'qd-title-selector',\n instructorHash: 'qd-instructor-hash',\n dbName: 'qd-db-name',\n} as const;\n\n/**\n * Read a configuration value from a hidden DOM element\n *\n * @param elementId - ID of the hidden element\n * @param defaultValue - Default value if element not found\n * @returns Trimmed text content or default value\n */\nfunction readConfigElement(elementId: string, defaultValue: string): string {\n const element = document.querySelector(`#${elementId}`);\n\n if (!element) {\n return defaultValue;\n }\n\n const value = element.textContent?.trim() || '';\n\n if (value === '') {\n warn(`Config element #${elementId} found but empty, using default: \"${defaultValue}\"`);\n return defaultValue;\n }\n\n info(`Config read from #${elementId}: \"${value}\"`);\n return value;\n}\n\n/**\n * Read a REQUIRED configuration value from a hidden DOM element\n *\n * @param elementId - ID of the hidden element\n * @throws Error if element not found or value is empty\n * @returns Trimmed text content\n */\nfunction readRequiredConfigElement(elementId: string): string {\n const element = document.querySelector(`#${elementId}`);\n\n if (!element) {\n const msg = `FATAL: Required config element #${elementId} not found in DOM. Processing stopped.`;\n console.error(msg);\n throw new Error(msg);\n }\n\n const value = element.textContent?.trim() || '';\n\n if (value === '') {\n const msg = `FATAL: Required config element #${elementId} is empty. Processing stopped.`;\n console.error(msg);\n throw new Error(msg);\n }\n\n info(`Required config read from #${elementId}: \"${value}\"`);\n return value;\n}\n\n/**\n * Read all configuration from DOM\n *\n * Scans the document for hidden configuration elements and returns a complete\n * configuration object with defaults applied for any missing values.\n *\n * @returns Complete configuration with defaults applied\n */\nexport function readDOMConfig(): DOMConfig {\n info('Reading configuration from DOM...');\n\n // dbName is REQUIRED - throws if missing/empty\n const dbName = readRequiredConfigElement(CONFIG_IDS.dbName);\n\n const config: DOMConfig = {\n statusPanelContainer: readConfigElement(\n CONFIG_IDS.statusPanelContainer,\n DEFAULT_CONFIG.statusPanelContainer,\n ),\n titleSelector: readConfigElement(CONFIG_IDS.titleSelector, DEFAULT_CONFIG.titleSelector),\n instructorHash: readConfigElement(CONFIG_IDS.instructorHash, DEFAULT_CONFIG.instructorHash),\n dbName,\n };\n\n info('Configuration loaded:', config);\n\n return config;\n}\n\n/**\n * Get default configuration\n *\n * @returns Default configuration object\n */\nexport function getDefaultConfig(): DOMConfig {\n return { ...DEFAULT_CONFIG };\n}\n","/**\n * PIN Authentication Service\n *\n * Provides secure PIN hashing and verification using Web Crypto API.\n * Implements constant-time comparison to prevent timing attacks.\n */\n\nimport { PIN_CONSTANTS } from '../../types/contracts.js';\n\n/**\n * PIN validation result\n */\nexport interface PinValidationResult {\n valid: boolean;\n error?: string;\n}\n\n/**\n * Hash a PIN using SHA-256\n *\n * @param pin - 4-digit PIN to hash\n * @returns Promise resolving to hex-encoded hash\n */\nexport async function hashPin(pin: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(pin);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n}\n\n/**\n * Verify a PIN against a stored hash\n *\n * Uses constant-time comparison to prevent timing attacks.\n *\n * @param pin - PIN to verify\n * @param storedHash - Stored SHA-256 hash\n * @returns Promise resolving to true if PIN matches\n */\nexport async function verifyPin(pin: string, storedHash: string): Promise {\n const inputHash = await hashPin(pin);\n return constantTimeCompare(inputHash, storedHash);\n}\n\n/**\n * Constant-time string comparison\n *\n * Compares strings in constant time to prevent timing attacks.\n * XORs each character and accumulates differences.\n *\n * @param a - First string\n * @param b - Second string\n * @returns true if strings are equal\n */\nfunction constantTimeCompare(a: string, b: string): boolean {\n if (a.length !== b.length) {\n return false;\n }\n\n let result = 0;\n for (let i = 0; i < a.length; i++) {\n result |= a.charCodeAt(i) ^ b.charCodeAt(i);\n }\n return result === 0;\n}\n\n/**\n * Validate PIN format\n *\n * @param pin - PIN to validate\n * @returns Validation result with error message if invalid\n */\nexport function validatePinFormat(pin: string): PinValidationResult {\n if (!pin) {\n return { valid: false, error: 'PIN is required' };\n }\n\n if (pin.length !== PIN_CONSTANTS.PIN_LENGTH) {\n return { valid: false, error: `PIN must be exactly ${PIN_CONSTANTS.PIN_LENGTH} digits` };\n }\n\n if (!/^\\d+$/.test(pin)) {\n return { valid: false, error: 'PIN must contain only digits' };\n }\n\n return { valid: true };\n}\n\n/**\n * Validate PIN confirmation matches\n *\n * @param pin - Original PIN\n * @param confirm - Confirmation PIN\n * @returns Validation result with error message if mismatch\n */\nexport function validatePinConfirmation(pin: string, confirm: string): PinValidationResult {\n if (pin !== confirm) {\n return { valid: false, error: 'PINs do not match' };\n }\n return { valid: true };\n}\n","/**\n * Rate Limiter Service for PIN Authentication\n *\n * Tracks failed PIN attempts using sessionStorage.\n * Implements lockout after 3 failed attempts for 30 seconds.\n */\n\nimport type { PinAttemptState, ServiceId } from '../../types/contracts.js';\nimport { PIN_CONSTANTS, STORAGE_KEYS } from '../../types/contracts.js';\nimport { info, warn, maskServiceId } from '../../utils/logger.js';\n\n/**\n * Get the storage key for a service ID's PIN attempts\n */\nfunction getAttemptKey(serviceId: ServiceId): string {\n return `${STORAGE_KEYS.PIN_ATTEMPTS}:${serviceId}`;\n}\n\n/**\n * Get the current PIN attempt state for a service ID\n *\n * @param serviceId - Student service ID\n * @returns Current attempt state or null if none\n */\nexport function getAttemptState(serviceId: ServiceId): PinAttemptState | null {\n const key = getAttemptKey(serviceId);\n const data = sessionStorage.getItem(key);\n if (!data) {\n return null;\n }\n try {\n return JSON.parse(data) as PinAttemptState;\n } catch {\n return null;\n }\n}\n\n/**\n * Check if a service ID is currently locked out\n *\n * @param serviceId - Student service ID\n * @returns Object with isLocked status and remainingMs if locked\n */\nexport function checkLockout(serviceId: ServiceId): { isLocked: boolean; remainingMs: number } {\n const state = getAttemptState(serviceId);\n if (!state || !state.lockoutUntil) {\n return { isLocked: false, remainingMs: 0 };\n }\n\n const lockoutTime = new Date(state.lockoutUntil).getTime();\n const now = Date.now();\n\n if (lockoutTime > now) {\n return { isLocked: true, remainingMs: lockoutTime - now };\n }\n\n // Lockout expired, clear state\n clearAttemptState(serviceId);\n return { isLocked: false, remainingMs: 0 };\n}\n\n/**\n * Record a failed PIN attempt\n *\n * Increments attempt counter and sets lockout if threshold reached.\n *\n * @param serviceId - Student service ID\n * @returns Updated attempt state\n */\nexport function recordFailedAttempt(serviceId: ServiceId): PinAttemptState {\n const now = new Date().toISOString();\n let state = getAttemptState(serviceId);\n\n if (!state) {\n state = {\n serviceId,\n attempts: 0,\n lockoutUntil: null,\n lastAttempt: now,\n };\n }\n\n state.attempts += 1;\n state.lastAttempt = now;\n\n // Check if lockout threshold reached\n if (state.attempts >= PIN_CONSTANTS.MAX_ATTEMPTS) {\n const lockoutTime = new Date(Date.now() + PIN_CONSTANTS.LOCKOUT_MS);\n state.lockoutUntil = lockoutTime.toISOString();\n warn(\n `PIN lockout triggered for ${maskServiceId(serviceId)} after ${state.attempts} failed attempts`,\n );\n } else {\n info(\n `Failed PIN attempt ${state.attempts}/${PIN_CONSTANTS.MAX_ATTEMPTS} for ${maskServiceId(serviceId)}`,\n );\n }\n\n // Save to sessionStorage\n const key = getAttemptKey(serviceId);\n sessionStorage.setItem(key, JSON.stringify(state));\n\n return state;\n}\n\n/**\n * Clear PIN attempt state on successful login\n *\n * @param serviceId - Student service ID\n */\nexport function clearAttemptState(serviceId: ServiceId): void {\n const state = getAttemptState(serviceId);\n if (state && state.attempts > 0) {\n info(\n `Cleared ${state.attempts} failed PIN attempts for ${maskServiceId(serviceId)} on successful login`,\n );\n }\n const key = getAttemptKey(serviceId);\n sessionStorage.removeItem(key);\n}\n\n/**\n * Get remaining attempts before lockout\n *\n * @param serviceId - Student service ID\n * @returns Number of attempts remaining (0 if locked out)\n */\nexport function getRemainingAttempts(serviceId: ServiceId): number {\n const state = getAttemptState(serviceId);\n if (!state) {\n return PIN_CONSTANTS.MAX_ATTEMPTS;\n }\n\n const lockout = checkLockout(serviceId);\n if (lockout.isLocked) {\n return 0;\n }\n\n return Math.max(0, PIN_CONSTANTS.MAX_ATTEMPTS - state.attempts);\n}\n","/**\n * Build Info Component\n *\n * Displays a small info icon (i) that shows build information on hover.\n * Tooltip shows: app name and build date.\n *\n * @element qd-build-info\n *\n * @example\n * ```html\n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement } from 'lit/decorators.js';\n\n// Type declaration for Vite build-time constant\ndeclare const __BUILD_DATE__: string;\n\n/**\n * Build info component with tooltip\n */\n@customElement('qd-build-info')\nexport class QdBuildInfo extends LitElement {\n static styles = css`\n :host {\n display: inline-block;\n position: relative;\n }\n\n .info-icon {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 16px;\n height: 16px;\n border-radius: 50%;\n background: #6c757d;\n color: white;\n font-size: 10px;\n font-weight: bold;\n font-style: italic;\n font-family: Georgia, serif;\n cursor: help;\n user-select: none;\n }\n\n .info-icon:hover {\n background: #5a6268;\n }\n\n .tooltip {\n position: absolute;\n top: 50%;\n right: 100%;\n transform: translateY(-50%);\n margin-right: 8px;\n padding: 8px 12px;\n background: #333;\n color: white;\n font-size: 11px;\n font-style: normal;\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n border-radius: 4px;\n white-space: nowrap;\n opacity: 0;\n visibility: hidden;\n transition:\n opacity 0.2s,\n visibility 0.2s;\n z-index: 1000;\n pointer-events: none;\n }\n\n .tooltip::after {\n content: '';\n position: absolute;\n top: 50%;\n left: 100%;\n transform: translateY(-50%);\n border: 5px solid transparent;\n border-left-color: #333;\n }\n\n .info-icon:hover + .tooltip,\n .info-icon:focus + .tooltip {\n opacity: 1;\n visibility: visible;\n }\n\n .tooltip-line {\n display: block;\n line-height: 1.4;\n }\n `;\n\n render() {\n const buildDate = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : 'Development';\n\n return html`\n i\n
                    \n BrowserTest, from Deep Blue C Ltd\n Built ${buildDate}\n
                    \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-build-info': QdBuildInfo;\n }\n}\n","/**\n * Base Modal Component\n *\n * Reusable modal with backdrop, keyboard handling, and focus trap.\n * Uses portal pattern to render to document.body for proper z-index stacking.\n * Used as base for scores modal, password modal, and confirm dialogs.\n *\n * @element qd-modal\n * @fires {CustomEvent} qd:modal-close - Emitted when modal closes via Escape or backdrop click\n *\n * @slot - Default slot for modal content\n * @slot header - Optional header slot for modal title\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, nothing } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\n\n// Track currently open modal for collision handling\nlet currentOpenModal: QdModal | null = null;\n\n// Modal styles as inline CSS for portal rendering\nconst MODAL_STYLES = `\n .qd-modal-backdrop {\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: rgba(0, 0, 0, 0.5);\n display: flex;\n align-items: center;\n justify-content: center;\n z-index: 99999;\n font-family: system-ui, -apple-system, sans-serif;\n animation: qd-modal-fadeIn 0.15s ease-out;\n }\n\n @keyframes qd-modal-fadeIn {\n from { opacity: 0; }\n to { opacity: 1; }\n }\n\n .qd-modal-content {\n background: white;\n border-radius: 8px;\n box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);\n max-width: 90vw;\n max-height: 90vh;\n overflow: auto;\n animation: qd-modal-slideIn 0.15s ease-out;\n }\n\n @keyframes qd-modal-slideIn {\n from { transform: translateY(-20px); opacity: 0; }\n to { transform: translateY(0); opacity: 1; }\n }\n\n .qd-modal-header {\n padding: 16px 20px;\n border-bottom: 1px solid #eee;\n font-weight: 600;\n font-size: 18px;\n }\n\n .qd-modal-header:empty {\n display: none;\n }\n\n .qd-modal-body {\n padding: 20px;\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n`;\n\n/**\n * Base modal component with common modal behavior\n * Renders to document.body for proper z-index stacking\n */\n@customElement('qd-modal')\nexport class QdModal extends LitElement {\n /**\n * Whether the modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Whether the modal can be closed via Escape/backdrop click\n */\n @property({ type: Boolean })\n closable = true;\n\n /**\n * Previously focused element (for focus restoration)\n */\n private previouslyFocused: Element | null = null;\n\n /**\n * Portal element appended to body\n */\n private portalElement: HTMLDivElement | null = null;\n\n /**\n * Style element for modal CSS\n */\n private static styleElement: HTMLStyleElement | null = null;\n\n /**\n * Map of original elements to their clones for event forwarding\n */\n private cloneMap: Map = new Map();\n\n /**\n * Observer for child mutations to auto-refresh portal\n */\n private childObserver: MutationObserver | null = null;\n\n connectedCallback() {\n super.connectedCallback();\n document.addEventListener('keydown', this.handleKeyDown);\n this.ensureStyles();\n\n // Observe child changes to auto-refresh portal\n this.childObserver = new MutationObserver(() => {\n if (this.open && this.portalElement) {\n this.createPortal();\n }\n });\n this.childObserver.observe(this, {\n childList: true,\n subtree: true,\n characterData: true,\n });\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('keydown', this.handleKeyDown);\n this.removePortal();\n\n // Disconnect child observer\n this.childObserver?.disconnect();\n this.childObserver = null;\n\n // Clean up if this was the open modal\n if (currentOpenModal === this) {\n currentOpenModal = null;\n }\n }\n\n updated(changedProperties: Map) {\n if (changedProperties.has('open')) {\n if (this.open) {\n this.handleOpen();\n } else {\n this.handleClose();\n }\n }\n }\n\n /**\n * Ensure modal styles are added to document head (once)\n */\n private ensureStyles() {\n if (!QdModal.styleElement) {\n QdModal.styleElement = document.createElement('style');\n QdModal.styleElement.textContent = MODAL_STYLES;\n document.head.appendChild(QdModal.styleElement);\n }\n }\n\n /**\n * Create and append portal to body\n */\n private createPortal() {\n this.removePortal();\n this.cloneMap.clear();\n\n // Create portal container\n this.portalElement = document.createElement('div');\n this.portalElement.className = 'qd-modal-backdrop';\n this.portalElement.addEventListener('click', this.handleBackdropClick);\n\n // Create content wrapper\n const content = document.createElement('div');\n content.className = 'qd-modal-content';\n content.setAttribute('role', 'dialog');\n content.setAttribute('aria-modal', 'true');\n content.addEventListener('click', this.stopPropagation);\n\n // Create header\n const header = document.createElement('div');\n header.className = 'qd-modal-header';\n\n // Create body\n const body = document.createElement('div');\n body.className = 'qd-modal-body';\n\n // Move slotted content to portal\n const headerSlot = this.querySelector('[slot=\"header\"]');\n if (headerSlot) {\n header.appendChild(headerSlot.cloneNode(true));\n }\n\n // Clone all non-header slotted content and track mappings\n Array.from(this.children).forEach((child) => {\n if (!child.hasAttribute('slot') || child.getAttribute('slot') !== 'header') {\n const clone = child.cloneNode(true) as Element;\n this.cloneMap.set(child, clone);\n body.appendChild(clone);\n }\n });\n\n content.appendChild(header);\n content.appendChild(body);\n this.portalElement.appendChild(content);\n document.body.appendChild(this.portalElement);\n\n // Add event forwarding for forms in the portal\n this.setupFormEventForwarding(body);\n }\n\n /**\n * Setup event forwarding for forms in cloned content\n * Since cloneNode() loses Lit event bindings, we add native listeners\n * that dispatch events to the original elements\n */\n private setupFormEventForwarding(container: HTMLElement) {\n const forms = container.querySelectorAll('form');\n forms.forEach((form) => {\n form.addEventListener('submit', (event) => {\n event.preventDefault();\n\n // Get form data to include in forwarded event\n const formData = new FormData(form);\n const data: Record = {};\n formData.forEach((value, key) => {\n if (typeof value === 'string') {\n data[key] = value;\n }\n });\n\n // Find password input specifically for password modals\n const passwordInput = form.querySelector('input[type=\"password\"]') as HTMLInputElement;\n if (passwordInput) {\n data['password'] = passwordInput.value;\n }\n\n // Dispatch event from the qd-modal element so parent can listen\n const submitEvent = new CustomEvent('qd:password-submit', {\n detail: data,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(submitEvent);\n });\n });\n }\n\n /**\n * Remove portal from body\n */\n private removePortal() {\n if (this.portalElement) {\n this.portalElement.remove();\n this.portalElement = null;\n }\n }\n\n render() {\n // Portal renders to body, so component itself renders nothing\n return nothing;\n }\n\n /**\n * Open the modal\n */\n show() {\n this.open = true;\n }\n\n /**\n * Close the modal\n */\n close() {\n this.open = false;\n }\n\n /**\n * Refresh portal content by re-cloning from source\n * Call this when slotted content changes and needs to sync to portal\n */\n refreshPortal() {\n if (this.open && this.portalElement) {\n this.createPortal();\n }\n }\n\n /**\n * Handle modal opening\n */\n private handleOpen() {\n // Modal collision: close any existing open modal\n if (currentOpenModal && currentOpenModal !== this) {\n currentOpenModal.close();\n }\n // eslint-disable-next-line @typescript-eslint/no-this-alias -- needed for modal collision tracking\n currentOpenModal = this;\n\n // Store currently focused element for restoration\n this.previouslyFocused = document.activeElement;\n\n // Create portal\n this.createPortal();\n\n // Focus first focusable element after render\n requestAnimationFrame(() => {\n this.focusFirstElement();\n });\n }\n\n /**\n * Handle modal closing\n */\n private handleClose() {\n if (currentOpenModal === this) {\n currentOpenModal = null;\n }\n\n // Remove portal\n this.removePortal();\n\n // Restore focus\n if (this.previouslyFocused instanceof HTMLElement) {\n this.previouslyFocused.focus();\n }\n }\n\n /**\n * Focus the first focusable element in the modal\n */\n private focusFirstElement() {\n if (!this.portalElement) return;\n\n const focusable = this.portalElement.querySelector(\n 'button, [href], input, select, textarea, [tabindex]:not([tabindex=\"-1\"])',\n );\n if (focusable) {\n focusable.focus();\n }\n }\n\n /**\n * Handle keyboard events\n */\n private handleKeyDown = (event: KeyboardEvent) => {\n if (event.key === 'Escape' && this.open && this.closable) {\n this.emitCloseEvent();\n this.close();\n }\n };\n\n /**\n * Handle backdrop click\n */\n private handleBackdropClick = () => {\n if (this.closable) {\n this.emitCloseEvent();\n this.close();\n }\n };\n\n /**\n * Stop propagation for content clicks\n */\n private stopPropagation = (event: Event) => {\n event.stopPropagation();\n };\n\n /**\n * Emit close event\n */\n private emitCloseEvent() {\n const event = new CustomEvent('qd:modal-close', {\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-modal': QdModal;\n }\n}\n","/**\n * Password modal component\n *\n * Reusable password entry modal using qd-modal base.\n * Used by qd-login for instructor authentication.\n *\n * Feature: 007-lit-component-refactor\n *\n * @element qd-password-modal\n * @fires {CustomEvent<{password: string}>} qd:password-submit - Emitted on form submission\n * @fires {CustomEvent} close - Emitted when modal closes\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state, query } from 'lit/decorators.js';\nimport './qd-modal.js';\n\n@customElement('qd-password-modal')\nexport class QdPasswordModal extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .password-form {\n display: flex;\n flex-direction: column;\n gap: 16px;\n padding: 8px 0;\n }\n\n .form-field {\n display: flex;\n flex-direction: column;\n gap: 4px;\n }\n\n label {\n font-size: 13px;\n font-weight: 500;\n color: #333;\n }\n\n input[type='password'] {\n padding: 8px 12px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 14px;\n width: 100%;\n box-sizing: border-box;\n }\n\n input[type='password']:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n\n .button-row {\n display: flex;\n gap: 8px;\n justify-content: flex-end;\n margin-top: 8px;\n }\n\n button {\n padding: 8px 16px;\n border: none;\n border-radius: 4px;\n font-size: 13px;\n font-weight: 500;\n cursor: pointer;\n transition: background-color 0.2s;\n }\n\n button[type='submit'] {\n background: #0066cc;\n color: white;\n }\n\n button[type='submit']:hover {\n background: #0052a3;\n }\n\n button[type='button'] {\n background: #e0e0e0;\n color: #333;\n }\n\n button[type='button']:hover {\n background: #d0d0d0;\n }\n `;\n\n /**\n * Whether modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Modal title\n */\n @property({ type: String })\n title = 'Enter Password';\n\n /**\n * Error message to display\n */\n @property({ type: String })\n error = '';\n\n /**\n * Internal password value\n */\n @state()\n private password = '';\n\n /**\n * Reference to password input\n */\n @query('input[type=\"password\"]')\n private passwordInput!: HTMLInputElement;\n\n /**\n * Show the modal\n */\n show(): void {\n this.open = true;\n this.password = '';\n this.error = '';\n }\n\n /**\n * Close the modal\n */\n close(): void {\n this.open = false;\n this.password = '';\n this.error = '';\n this.dispatchEvent(new CustomEvent('close', { bubbles: true, composed: true }));\n }\n\n /**\n * Handle modal close from qd-modal\n */\n private handleModalClose = (): void => {\n this.close();\n };\n\n /**\n * Handle password input\n */\n private handleInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.password = input.value;\n // Clear error on input\n if (this.error) {\n this.error = '';\n }\n };\n\n /**\n * Handle form submission (from Lit binding - only works without portal)\n */\n private handleSubmit = (e: Event): void => {\n e.preventDefault();\n\n if (!this.password.trim()) {\n return;\n }\n\n this.dispatchEvent(\n new CustomEvent('qd:password-submit', {\n detail: { password: this.password },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle forwarded submit from qd-modal portal\n * When form is cloned to portal, qd-modal dispatches this event\n */\n private handleForwardedSubmit = (e: CustomEvent<{ password?: string }>): void => {\n // Stop propagation so event doesn't bubble further\n e.stopPropagation();\n\n const password = e.detail?.password || '';\n if (!password.trim()) {\n return;\n }\n\n // Re-dispatch from this component\n this.dispatchEvent(\n new CustomEvent('qd:password-submit', {\n detail: { password },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle cancel button\n */\n private handleCancel = (): void => {\n this.close();\n };\n\n /**\n * Sync error message directly to portal DOM\n * Since portal clones content once, we need to inject/update the error div directly\n */\n private syncErrorToPortal(): void {\n // Find the portal backdrop in document.body\n const backdrop = document.querySelector('.qd-modal-backdrop');\n if (!backdrop) return;\n\n const form = backdrop.querySelector('form.password-form');\n if (!form) return;\n\n // Find existing error message in portal\n let errorDiv = form.querySelector('.error-message');\n\n if (this.error) {\n // Create or update error message\n if (!errorDiv) {\n errorDiv = document.createElement('div');\n errorDiv.className = 'error-message';\n // Apply inline styles (portal is outside shadow DOM, so CSS rules don't apply)\n (errorDiv as HTMLElement).style.cssText = `\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n `;\n // Insert before button row\n const buttonRow = form.querySelector('.button-row');\n if (buttonRow) {\n form.insertBefore(errorDiv, buttonRow);\n } else {\n form.appendChild(errorDiv);\n }\n }\n errorDiv.textContent = this.error;\n } else {\n // Remove error message if no error\n errorDiv?.remove();\n }\n }\n\n /**\n * Focus password input when modal opens, refresh portal when error changes\n */\n override updated(changedProps: Map): void {\n if (changedProps.has('open') && this.open) {\n // Reset state when opening\n this.password = '';\n // Focus input after render\n void this.updateComplete.then(() => {\n this.passwordInput?.focus();\n });\n }\n\n // When error changes, directly inject error into portal DOM\n // The portal pattern clones content once, so we need to inject the error directly\n if (changedProps.has('error') && this.open) {\n void this.updateComplete.then(() => {\n setTimeout(() => {\n this.syncErrorToPortal();\n }, 0);\n });\n }\n }\n\n override render() {\n // Don't render form when closed - prevents duplicate submit buttons in parent\n if (!this.open) {\n return nothing;\n }\n\n return html`\n \n ${this.title}\n\n
                    \n
                    \n \n \n
                    \n\n ${this.error ? html`
                    ${this.error}
                    ` : ''}\n\n
                    \n \n \n
                    \n
                    \n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-password-modal': QdPasswordModal;\n }\n}\n","import{desc as t}from\"./base.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */function e(e,r){return(n,s,i)=>{const o=t=>t.renderRoot?.querySelector(e)??null;if(r){const{get:e,set:r}=\"object\"==typeof s?n:i??(()=>{const t=Symbol();return{get(){return this[t]},set(e){this[t]=e}}})();return t(n,s,{get(){let t=e.call(this);return void 0===t&&(t=o(this),(null!==t||this.hasUpdated)&&r.call(this,t)),t}})}return t(n,s,{get(){return o(this)}})}}export{e as query};\n//# sourceMappingURL=query.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst e=(e,t,c)=>(c.configurable=!0,c.enumerable=!0,Reflect.decorate&&\"object\"!=typeof t&&Object.defineProperty(e,t,c),c);export{e as desc};\n//# sourceMappingURL=base.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t={ATTRIBUTE:1,CHILD:2,PROPERTY:3,BOOLEAN_ATTRIBUTE:4,EVENT:5,ELEMENT:6},e=t=>(...e)=>({_$litDirective$:t,values:e});class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,e,i){this._$Ct=t,this._$AM=e,this._$Ci=i}_$AS(t,e){return this.update(t,e)}update(t,e){return this.render(...e)}}export{i as Directive,t as PartType,e as directive};\n//# sourceMappingURL=directive.js.map\n","import{nothing as t,noChange as i}from\"../lit-html.js\";import{Directive as r,PartType as s,directive as n}from\"../directive.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */class e extends r{constructor(i){if(super(i),this.it=t,i.type!==s.CHILD)throw Error(this.constructor.directiveName+\"() can only be used in child bindings\")}render(r){if(r===t||null==r)return this._t=void 0,this.it=r;if(r===i)return r;if(\"string\"!=typeof r)throw Error(this.constructor.directiveName+\"() called with a non-string value\");if(r===this.it)return this._t;this.it=r;const s=[r];return s.raw=s,this._t={_$litType$:this.constructor.resultType,strings:s,values:[]}}}e.directiveName=\"unsafeHTML\",e.resultType=1;const o=n(e);export{e as UnsafeHTMLDirective,o as unsafeHTML};\n//# sourceMappingURL=unsafe-html.js.map\n","/**\n * Confirmation dialog component\n *\n * Reusable confirmation modal using qd-modal base.\n * Supports confirm/cancel buttons with optional destructive styling.\n *\n * Feature: 007-lit-component-refactor\n *\n * @element qd-confirm-dialog\n * @fires {CustomEvent} qd:confirm - Emitted when confirm button is clicked\n * @fires {CustomEvent} qd:cancel - Emitted when cancel button is clicked or dialog is dismissed\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { unsafeHTML } from 'lit/directives/unsafe-html.js';\nimport './qd-modal.js';\n\n@customElement('qd-confirm-dialog')\nexport class QdConfirmDialog extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .confirm-content {\n padding: 8px 0;\n }\n\n .message {\n font-size: 14px;\n color: #333;\n line-height: 1.5;\n margin-bottom: 24px;\n }\n\n .button-row {\n display: flex;\n gap: 8px;\n justify-content: flex-end;\n }\n\n button {\n padding: 8px 16px;\n border: none;\n border-radius: 4px;\n font-size: 13px;\n font-weight: 500;\n cursor: pointer;\n transition: background-color 0.2s;\n }\n\n .cancel-btn {\n background: #e0e0e0;\n color: #333;\n }\n\n .cancel-btn:hover {\n background: #d0d0d0;\n }\n\n .confirm-btn {\n background: #0066cc;\n color: white;\n }\n\n .confirm-btn:hover {\n background: #0052a3;\n }\n\n .confirm-btn.destructive {\n background: #d32f2f;\n }\n\n .confirm-btn.destructive:hover {\n background: #b71c1c;\n }\n `;\n\n /**\n * Whether dialog is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Dialog title\n */\n @property({ type: String })\n title = 'Confirm';\n\n /**\n * Message to display (supports HTML)\n */\n @property({ type: String })\n message = '';\n\n /**\n * Text for confirm button\n */\n @property({ type: String })\n confirmText = 'Confirm';\n\n /**\n * Text for cancel button\n */\n @property({ type: String })\n cancelText = 'Cancel';\n\n /**\n * Whether this is a destructive action (red confirm button)\n */\n @property({ type: Boolean })\n destructive = false;\n\n /**\n * Show the dialog\n */\n show(): void {\n this.open = true;\n }\n\n /**\n * Close the dialog\n */\n close(): void {\n this.open = false;\n }\n\n /**\n * Handle modal close from qd-modal (backdrop click, Escape)\n */\n private handleModalClose = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:cancel', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle confirm button click\n */\n private handleConfirm = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:confirm', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle cancel button click\n */\n private handleCancel = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:cancel', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n override render() {\n return html`\n \n ${this.title}\n\n
                    \n
                    ${unsafeHTML(this.message)}
                    \n\n
                    \n \n \n ${this.confirmText}\n \n
                    \n
                    \n                     \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-confirm-dialog': QdConfirmDialog;\n }\n}\n","/**\n * Help Trigger Component\n *\n * A small help icon button (?) that triggers contextual help popups.\n * Emits qd:help-open event when activated via click or keyboard (Enter/Space).\n *\n * @element qd-help-trigger\n * @fires {CustomEvent<{panelType: string}>} qd:help-open - Emitted when help is requested\n *\n * @example\n * ```html\n * \n * ```\n *\n * Feature: 008-user-guidance-popups\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\n\n/**\n * Help trigger button component\n */\n@customElement('qd-help-trigger')\nexport class QdHelpTrigger extends LitElement {\n static styles = css`\n :host {\n display: inline-block;\n }\n\n .help-icon {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 20px;\n height: 20px;\n border-radius: 50%;\n background: #0066cc;\n color: white;\n font-size: 12px;\n font-weight: bold;\n font-family: system-ui, -apple-system, sans-serif;\n cursor: pointer;\n border: none;\n padding: 0;\n transition: background 0.15s ease;\n }\n\n .help-icon:hover {\n background: #0052a3;\n }\n\n .help-icon:focus {\n outline: 2px solid #0066cc;\n outline-offset: 2px;\n }\n\n .help-icon:active {\n background: #004080;\n }\n `;\n\n /**\n * Which panel this trigger belongs to\n */\n @property({ type: String })\n panelType: 'login' | 'status' | 'instructor' = 'login';\n\n /**\n * Handle click/activation\n */\n private handleClick = () => {\n this.dispatchEvent(\n new CustomEvent('qd:help-open', {\n detail: { panelType: this.panelType },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n render() {\n return html`\n \n ?\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-help-trigger': QdHelpTrigger;\n }\n}\n","/**\n * Help Popup Component\n *\n * A modal popup that displays contextual help content.\n * Wraps qd-modal to provide help-specific styling and behavior.\n *\n * @element qd-help-popup\n * @fires {CustomEvent} qd:modal-close - Emitted when popup closes\n *\n * @example\n * ```html\n * this.helpOpen = false}\n * >\n * ```\n *\n * Feature: 008-user-guidance-popups\n */\n\nimport { LitElement, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\n\n// Help popup styles for portal rendering\nconst HELP_POPUP_STYLES = `\n.qd-help-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:99999;font-family:system-ui,-apple-system,sans-serif}\n.qd-help-content{background:#fff;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.3);max-width:450px;max-height:80vh;overflow:auto}\n.qd-help-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #eee}\n.qd-help-title{font-weight:600;font-size:18px;color:#333;margin:0}\n.qd-help-close{background:none;border:none;font-size:24px;color:#666;cursor:pointer;padding:0;line-height:1;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:4px}\n.qd-help-close:hover{background:#f0f0f0;color:#333}\n.qd-help-close:focus{outline:2px solid #0066cc;outline-offset:2px}\n.qd-help-body{padding:20px;line-height:1.6;color:#444}\n.qd-help-body h3{margin-top:0;margin-bottom:12px;color:#333;font-size:16px}\n.qd-help-body p{margin:0 0 12px 0}\n.qd-help-body p:last-child{margin-bottom:0}\n.qd-help-body strong{color:#333}`;\n\n/**\n * Help popup modal component\n */\n@customElement('qd-help-popup')\nexport class QdHelpPopup extends LitElement {\n /**\n * Style element for help popup CSS (injected once)\n */\n private static styleElement: HTMLStyleElement | null = null;\n\n /**\n * Portal element appended to body\n */\n private portalElement: HTMLDivElement | null = null;\n\n /**\n * Previously focused element for restoration\n */\n private previouslyFocused: Element | null = null;\n\n /**\n * Whether the popup is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Popup title\n */\n @property({ type: String })\n title = 'Help';\n\n /**\n * HTML content to display (from readHelpContent)\n */\n @property({ type: String })\n content = '';\n\n /**\n * Track internal open state for portal management\n */\n @state()\n private _isOpen = false;\n\n connectedCallback() {\n super.connectedCallback();\n document.addEventListener('keydown', this.handleKeyDown);\n this.ensureStyles();\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('keydown', this.handleKeyDown);\n this.removePortal();\n }\n\n updated(changedProperties: Map) {\n if (changedProperties.has('open')) {\n if (this.open && !this._isOpen) {\n this.handleOpen();\n } else if (!this.open && this._isOpen) {\n this.handleClose();\n }\n }\n }\n\n /**\n * Ensure help popup styles are added to document head (once)\n */\n private ensureStyles() {\n if (!QdHelpPopup.styleElement) {\n QdHelpPopup.styleElement = document.createElement('style');\n QdHelpPopup.styleElement.textContent = HELP_POPUP_STYLES;\n document.head.appendChild(QdHelpPopup.styleElement);\n }\n }\n\n /**\n * Create and show the portal\n */\n private createPortal() {\n this.removePortal();\n\n // Create backdrop\n this.portalElement = document.createElement('div');\n this.portalElement.className = 'qd-help-backdrop';\n this.portalElement.addEventListener('click', this.handleBackdropClick);\n\n // Create content container\n const contentEl = document.createElement('div');\n contentEl.className = 'qd-help-content';\n contentEl.setAttribute('role', 'dialog');\n contentEl.setAttribute('aria-modal', 'true');\n contentEl.setAttribute('aria-labelledby', 'qd-help-title');\n contentEl.addEventListener('click', this.stopPropagation);\n\n // Create header\n const headerEl = document.createElement('div');\n headerEl.className = 'qd-help-header';\n\n const titleEl = document.createElement('h2');\n titleEl.className = 'qd-help-title';\n titleEl.id = 'qd-help-title';\n titleEl.textContent = this.title;\n\n const closeBtn = document.createElement('button');\n closeBtn.className = 'qd-help-close';\n closeBtn.setAttribute('aria-label', 'Close');\n closeBtn.innerHTML = '×';\n closeBtn.addEventListener('click', this.handleCloseClick);\n\n headerEl.appendChild(titleEl);\n headerEl.appendChild(closeBtn);\n\n // Create body\n const bodyEl = document.createElement('div');\n bodyEl.className = 'qd-help-body';\n bodyEl.innerHTML = this.content;\n\n contentEl.appendChild(headerEl);\n contentEl.appendChild(bodyEl);\n this.portalElement.appendChild(contentEl);\n document.body.appendChild(this.portalElement);\n\n // Focus close button\n requestAnimationFrame(() => {\n closeBtn.focus();\n });\n }\n\n /**\n * Remove portal from DOM\n */\n private removePortal() {\n if (this.portalElement) {\n this.portalElement.remove();\n this.portalElement = null;\n }\n }\n\n /**\n * Handle opening\n */\n private handleOpen() {\n this._isOpen = true;\n this.previouslyFocused = document.activeElement;\n this.createPortal();\n }\n\n /**\n * Handle closing\n */\n private handleClose() {\n this._isOpen = false;\n this.removePortal();\n\n // Restore focus\n if (this.previouslyFocused instanceof HTMLElement) {\n this.previouslyFocused.focus();\n }\n }\n\n /**\n * Handle keyboard events\n */\n private handleKeyDown = (event: KeyboardEvent) => {\n if (event.key === 'Escape' && this._isOpen) {\n this.close();\n }\n };\n\n /**\n * Handle backdrop click\n */\n private handleBackdropClick = () => {\n this.close();\n };\n\n /**\n * Handle close button click\n */\n private handleCloseClick = () => {\n this.close();\n };\n\n /**\n * Stop propagation for content clicks\n */\n private stopPropagation = (event: Event) => {\n event.stopPropagation();\n };\n\n /**\n * Close the popup and emit event\n */\n close() {\n this.open = false;\n this.dispatchEvent(\n new CustomEvent('qd:modal-close', {\n bubbles: true,\n composed: true,\n }),\n );\n }\n\n render() {\n // Portal renders to body, component renders nothing\n return nothing;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-help-popup': QdHelpPopup;\n }\n}\n","/**\n * Help Content Configuration\n *\n * Centralized help text for all panels. Edit this file to update help content.\n * Feature: 008-user-guidance-popups\n */\n\nexport type HelpPanelType = 'login' | 'status' | 'instructor';\n\nexport interface HelpContent {\n title: string;\n body: string;\n}\n\n/**\n * Help content for each panel type\n */\nexport const HELP_CONTENT: Record = {\n login: {\n title: 'Login Help',\n body: '

                    Enter Name and Service ID to log in. Provide a new PIN if this is your first visit to this release of this document, otherwise use the PIN you previously created. Your instructor is able to reset PINs. See the Feedback page for more support.

                    Instructors: click \"Instructor\" for instructor login page (password accompanies distribution).

                    ',\n },\n\n status: {\n title: 'Student View',\n body: '

                    Page color coding:

                    • Green=All correct
                    • Amber=Some answered
                    • Red=None yet

                    You can view your overall progress at attempted questions in the Test Progress panel.

                    ',\n },\n\n instructor: {\n title: 'Instructor Tools',\n body: '

                    • Show current answers: Toggle for display of student answers for the current page.
                    • View All Scores: View table scores for all students.
                    • Reset PIN: Reset student PINs.
                    • Export CSV: CSV download of all scores/answers.
                    • Erase All Data: Clear all stored student data.

                    ',\n },\n};\n\n/**\n * Get help content for a panel type\n */\nexport function getHelpContent(panelType: HelpPanelType): HelpContent {\n return HELP_CONTENT[panelType];\n}\n","/**\n * Login Component\n *\n * Compact authentication for both students and instructors.\n * Horizontal layout with Name + Service ID fields, Login + Instructor buttons.\n * Release is read from document title (.wh_publication_title .title).\n *\n * @element qd-login\n * @fires {CustomEvent<{serviceId: string, name: string, release: string, role: 'student' | 'instructor'}>} qd:login - Emitted on successful auth\n *\n * @example\n * ```html\n *
                    \n * TRV Connectors Autumn 2025\n *
                    \n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state, property } from 'lit/decorators.js';\nimport { STORAGE_KEYS, SCHEMA_VERSION } from '../types/contracts.js';\nimport type { SessionData, StudentRecord } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { validateStudentForm, sanitizePinInput } from '../utils/validation-helpers.js';\nimport { SessionService } from '../services/session.js';\nimport { CONFIG_IDS } from '../config/dom-config-reader.js';\nimport { getStorageAdapter } from '../services/storage/indexeddb.js';\nimport { needsMigration, hasPinSet, completePinSetup } from '../services/storage/migration.js';\nimport { verifyPin, hashPin } from '../services/auth/pin-service.js';\nimport {\n checkLockout,\n recordFailedAttempt,\n clearAttemptState,\n getRemainingAttempts,\n} from '../services/auth/rate-limiter.js';\nimport './qd-build-info.js';\nimport './qd-password-modal.js';\nimport './qd-confirm-dialog.js';\nimport './qd-help-trigger.js';\nimport './qd-help-popup.js';\nimport { getHelpContent } from '../config/help-content.js';\n\n/**\n * Login event data\n */\ninterface LoginData {\n serviceId: string;\n name: string;\n release: string;\n role: 'student' | 'instructor';\n}\n\n/**\n * Login component for student and instructor authentication\n */\n@customElement('qd-login')\nexport class QdLogin extends LitElement {\n /**\n * Title text (configurable via init())\n */\n @property({ type: String })\n title = 'Sonar Quiz System';\n\n /**\n * Form field: Student name\n */\n @state()\n private name = '';\n\n /**\n * Form field: Service ID (2-10 alphanumeric)\n */\n @state()\n private serviceId = '';\n\n /**\n * Whether instructor modal is open\n */\n @state()\n private showInstructorModal = false;\n\n /**\n * Instructor modal error message\n */\n @state()\n private instructorError = '';\n\n /**\n * Error message to display\n */\n @state()\n private errorMessage = '';\n\n /**\n * Whether form is currently submitting\n */\n @state()\n private isSubmitting = false;\n\n /**\n * PIN input\n */\n @state()\n private pin = '';\n\n /**\n * Lockout countdown in seconds\n */\n @state()\n private lockoutSeconds = 0;\n\n /**\n * Whether PIN stored confirmation is shown\n */\n @state()\n private showPinConfirmation = false;\n\n /**\n * Whether help popup is open\n */\n @state()\n private helpOpen = false;\n\n /**\n * Lockout countdown interval\n */\n private lockoutInterval: number | null = null;\n\n static styles = css`\n :host {\n display: none; /* Hidden if already logged in */\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n }\n\n :host([data-show]) {\n display: block;\n }\n\n .login-container {\n padding: 8px 12px;\n background: #fff;\n border: 1px solid #ddd;\n border-radius: 4px;\n max-width: 480px;\n }\n\n .title {\n margin: 0 0 8px 0;\n font-size: 15px;\n font-weight: 600;\n color: #333;\n }\n\n .login-form {\n display: flex;\n gap: 6px;\n align-items: flex-start;\n flex-wrap: wrap;\n }\n\n input {\n padding: 6px 10px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 11px;\n width: 110px;\n min-width: 75px;\n max-width: 110px;\n }\n\n input.pin-input {\n width: 45px;\n min-width: 45px;\n max-width: 45px;\n text-align: center;\n letter-spacing: 1px;\n }\n\n input:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n input:disabled {\n background-color: #f5f5f5;\n cursor: not-allowed;\n }\n\n button {\n padding: 6px 12px;\n border: none;\n border-radius: 4px;\n font-size: 11px;\n font-weight: 500;\n cursor: pointer;\n transition: all 0.2s;\n white-space: nowrap;\n }\n\n .login-btn {\n background: #0066cc;\n color: white;\n }\n\n .login-btn:hover:not(:disabled) {\n background: #0052a3;\n }\n\n .login-btn:disabled {\n background: #ccc;\n cursor: not-allowed;\n }\n\n .instructor-btn {\n background: #6c757d;\n color: white;\n }\n\n .instructor-btn:hover {\n background: #5a6268;\n }\n\n .error-message {\n width: 100%;\n color: #d32f2f;\n font-size: 11px;\n margin-top: 3px;\n padding: 4px 8px;\n background: #ffebee;\n border-radius: 3px;\n border-left: 3px solid #d32f2f;\n }\n\n .lockout-message {\n width: 100%;\n color: #f57c00;\n font-size: 11px;\n margin-top: 3px;\n padding: 4px 8px;\n background: #fff3e0;\n border-radius: 3px;\n border-left: 3px solid #f57c00;\n }\n\n /* Responsive */\n @media (max-width: 600px) {\n .login-form {\n flex-direction: column;\n }\n\n input,\n button {\n width: 100%;\n }\n }\n `;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n }\n\n /**\n * Lifecycle: Called after first render completes (shadow DOM ready)\n */\n firstUpdated() {\n this.setAttribute('data-ready', '');\n }\n\n /**\n * Update visibility - show only if NOT logged in\n */\n private updateVisibility(): void {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n /**\n * Handle logout event - show login form again\n */\n private handleLogoutEvent = (): void => {\n // Reset component state\n this.name = '';\n this.serviceId = '';\n this.errorMessage = '';\n this.isSubmitting = false;\n this.showInstructorModal = false;\n this.instructorError = '';\n this.pin = '';\n this.lockoutSeconds = 0;\n this.showPinConfirmation = false;\n this.helpOpen = false;\n\n // Clean up lockout interval\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n\n // Show login form\n this.updateVisibility();\n };\n\n render() {\n return html`\n
                    \n
                    \n ${this.title}\n \n \n
                    \n\n
                    this.handleStudentLogin(e)}>\n this.handleNameInput(e)}\n ?disabled=${this.isSubmitting}\n required\n />\n\n this.handleServiceIdInput(e)}\n ?disabled=${this.isSubmitting}\n pattern=\"[A-Za-z0-9]{2,10}\"\n title=\"2-10 alphanumeric characters\"\n required\n />\n\n this.handlePinInput(e)}\n ?disabled=${this.isSubmitting || this.lockoutSeconds > 0}\n required\n />\n\n 0}\n >\n Login\n \n\n this.openInstructorModal()}\n ?disabled=${this.isSubmitting}\n >\n Instructor\n \n\n ${this.errorMessage ? html`
                    ${this.errorMessage}
                    ` : ''}\n ${this.lockoutSeconds > 0\n ? html`
                    \n Too many attempts. Try again in ${this.lockoutSeconds}s\n
                    `\n : ''}\n \n
                    \n\n \n\n \n\n \n `;\n }\n\n /**\n * Handle help trigger click - open help popup\n */\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n /**\n * Handle help popup close\n */\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n /**\n * Handle password submission from modal\n */\n private handleInstructorPasswordSubmit = (e: CustomEvent<{ password: string }>): void => {\n void this.handleInstructorLogin(e.detail.password);\n };\n\n /**\n * Handle modal close\n */\n private handleInstructorModalClose = (): void => {\n this.showInstructorModal = false;\n this.instructorError = '';\n };\n\n /**\n * Handle name input\n */\n private handleNameInput(e: Event) {\n const input = e.target as HTMLInputElement;\n this.name = input.value;\n this.errorMessage = '';\n }\n\n /**\n * Handle service ID input\n */\n private handleServiceIdInput(e: Event) {\n const input = e.target as HTMLInputElement;\n this.serviceId = input.value;\n this.errorMessage = '';\n }\n\n /**\n * Handle PIN input\n */\n private handlePinInput(e: Event) {\n const input = e.target as HTMLInputElement;\n // Filter to digits only using validation helper\n this.pin = sanitizePinInput(input.value);\n this.errorMessage = '';\n }\n\n /**\n * Check if student form is valid using validation helper\n */\n private isValid(): boolean {\n const errors = validateStudentForm(this.name, this.serviceId, this.pin);\n return errors.length === 0;\n }\n\n /**\n * Get release from document title\n * Reads selector from config, then queries document\n */\n private getRelease(): string {\n // Read title selector from config element\n const selectorElement = document.getElementById(CONFIG_IDS.titleSelector);\n const selector = selectorElement?.textContent?.trim() || '.wh_publication_title .title';\n\n // Use selector to find title element\n const titleElement = document.querySelector(selector);\n return titleElement?.textContent?.trim() || '';\n }\n\n /**\n * Handle student login\n */\n private async handleStudentLogin(e: Event) {\n e.preventDefault();\n\n if (!this.isValid()) {\n this.errorMessage = 'Please enter name, service ID, and 4-digit PIN';\n return;\n }\n\n this.isSubmitting = true;\n this.errorMessage = '';\n\n try {\n const release = this.getRelease();\n if (!release) {\n this.errorMessage = 'Release not found (missing publication title element)';\n this.isSubmitting = false;\n return;\n }\n\n const serviceId = this.serviceId.trim();\n const name = this.name.trim();\n\n // Check for lockout\n const lockout = checkLockout(serviceId);\n if (lockout.isLocked) {\n this.startLockoutCountdown(lockout.remainingMs);\n this.isSubmitting = false;\n return;\n }\n\n // Get storage adapter with configured db name\n const dbNameElement = document.getElementById(CONFIG_IDS.dbName);\n if (!dbNameElement?.textContent?.trim()) {\n throw new Error(\n `Database name not configured. Add dbName to page.`,\n );\n }\n const dbName = dbNameElement.textContent.trim();\n const storage = getStorageAdapter(dbName);\n await storage.init();\n const existingStudent = await storage.getStudent(release, serviceId);\n\n if (existingStudent) {\n // Check if student needs PIN setup (migration or no PIN)\n if (needsMigration(existingStudent) || !hasPinSet(existingStudent)) {\n // Hash the entered PIN and update student\n const pinHash = await hashPin(this.pin);\n const updatedStudent = completePinSetup(existingStudent, pinHash);\n await storage.saveStudent(updatedStudent);\n\n // Emit PIN created event\n this.dispatchEvent(\n new CustomEvent('qd:pin-created', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Show confirmation and complete login\n this.showPinStoredConfirmation();\n this.completeLogin(serviceId, name, release);\n return;\n }\n\n // Existing student with PIN - verify it\n const isValid = await verifyPin(this.pin, existingStudent.pinHash || '');\n if (!isValid) {\n // Record failed attempt\n const state = recordFailedAttempt(serviceId);\n const remaining = getRemainingAttempts(serviceId);\n\n if (state.lockoutUntil) {\n const lockoutMs = new Date(state.lockoutUntil).getTime() - Date.now();\n this.startLockoutCountdown(lockoutMs);\n } else {\n this.errorMessage = `Incorrect PIN. ${remaining} attempt${remaining !== 1 ? 's' : ''} remaining`;\n }\n\n this.pin = '';\n this.isSubmitting = false;\n return;\n }\n\n // PIN verified - clear rate limit and emit event\n clearAttemptState(serviceId);\n this.dispatchEvent(\n new CustomEvent('qd:pin-verified', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n } else {\n // New student - hash PIN and create record\n const pinHash = await hashPin(this.pin);\n const newStudent: StudentRecord = {\n schema: SCHEMA_VERSION,\n docId: '',\n release,\n serviceId,\n name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n pinHash,\n pinCreatedAt: new Date().toISOString(),\n };\n await storage.saveStudent(newStudent);\n\n // Emit PIN created event\n this.dispatchEvent(\n new CustomEvent('qd:pin-created', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Show confirmation and complete login\n this.showPinStoredConfirmation();\n this.completeLogin(serviceId, name, release);\n return;\n }\n\n // Complete the login\n this.completeLogin(serviceId, name, release);\n } catch (err) {\n this.errorMessage = 'Login failed. Please try again.';\n console.error('Student login error:', err);\n this.isSubmitting = false;\n }\n }\n\n /**\n * Show confirmation popup that PIN has been stored\n */\n private showPinStoredConfirmation(): void {\n this.showPinConfirmation = true;\n }\n\n /**\n * Handle PIN confirmation dialog dismiss\n */\n private handlePinConfirmationDismiss = (): void => {\n this.showPinConfirmation = false;\n };\n\n /**\n * Start lockout countdown timer\n */\n private startLockoutCountdown(remainingMs: number): void {\n this.lockoutSeconds = Math.ceil(remainingMs / 1000);\n this.errorMessage = '';\n\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n }\n\n this.lockoutInterval = window.setInterval(() => {\n this.lockoutSeconds--;\n if (this.lockoutSeconds <= 0) {\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n }\n }, 1000);\n }\n\n /**\n * Complete the login process\n */\n private completeLogin(serviceId: string, name: string, release: string): void {\n // Create session in storage\n const sessionService = new SessionService();\n sessionService.createSession(serviceId, name, release);\n\n const loginData: LoginData = {\n serviceId,\n name,\n release,\n role: 'student',\n };\n\n const event = new CustomEvent('qd:login', {\n detail: loginData,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n\n // Reset state\n this.pin = '';\n this.isSubmitting = false;\n\n // Hide component on successful login\n this.updateVisibility();\n }\n\n /**\n * Open instructor modal\n */\n private openInstructorModal() {\n this.showInstructorModal = true;\n this.instructorError = '';\n }\n\n /**\n * Hash password using SHA-256\n */\n private async hashPassword(password: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n // Return first 12 characters for author-friendly Oxygen dialogs\n return hashArray\n .map((b) => b.toString(16).padStart(2, '0'))\n .join('')\n .substring(0, 12);\n }\n\n /**\n * Get expected password hash from hidden element\n */\n private getExpectedHash(): string {\n const hashElement = document.getElementById(CONFIG_IDS.instructorHash);\n return hashElement?.textContent?.trim() || '';\n }\n\n /**\n * Handle instructor login with password\n */\n private async handleInstructorLogin(password: string) {\n try {\n const passwordHash = await this.hashPassword(password);\n const expectedHash = this.getExpectedHash();\n\n if (!expectedHash) {\n this.instructorError = 'Instructor password not configured';\n return;\n }\n\n if (passwordHash !== expectedHash) {\n this.instructorError = 'Incorrect password';\n // TODO: Implement rate limiting (5 attempts per 60 seconds)\n return;\n }\n\n // Success\n const release = this.getRelease();\n\n // Create session in storage\n const sessionService = new SessionService();\n sessionService.createSession('INSTRUCTOR', 'Instructor', release || '');\n\n // Set instructor flag\n sessionStorage.setItem(STORAGE_KEYS.INSTRUCTOR, 'true');\n\n const loginData: LoginData = {\n serviceId: 'INSTRUCTOR',\n name: 'Instructor',\n release: release || '',\n role: 'instructor',\n };\n\n const event = new CustomEvent('qd:login', {\n detail: loginData,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n\n // Close modal and hide component\n this.showInstructorModal = false;\n this.instructorError = '';\n this.updateVisibility();\n } catch (err) {\n this.instructorError = 'Login failed. Please try again.';\n console.error('Instructor login error:', err);\n }\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-login': QdLogin;\n }\n}\n","/**\n * Validation Helpers\n *\n * Pure functions for form validation and input sanitization.\n * Feature: 007-lit-component-refactor\n *\n * These functions have no side effects and no DOM dependencies,\n * making them easy to unit test.\n */\n\n/**\n * Validation error messages (array - empty if valid).\n */\nexport type ValidationErrors = string[];\n\n/**\n * Validates student login form fields.\n *\n * @param name - Student name\n * @param serviceId - Service ID (2-10 alphanumeric characters)\n * @param pin - 4-digit PIN\n * @returns Array of validation error messages (empty if valid)\n */\nexport function validateStudentForm(\n name: string,\n serviceId: string,\n pin: string,\n): ValidationErrors {\n const errors: ValidationErrors = [];\n\n // Validate name\n if (!name || name.trim() === '') {\n errors.push('Name required');\n }\n\n // Validate service ID - empty check first\n if (!serviceId) {\n errors.push('Service ID required');\n } else {\n // Then format check (2-10 alphanumeric)\n const serviceIdRegex = /^[a-zA-Z0-9]{2,10}$/;\n if (!serviceIdRegex.test(serviceId)) {\n errors.push('Service ID must be 2-10 alphanumeric characters');\n }\n }\n\n // Validate PIN - empty check first\n if (!pin) {\n errors.push('PIN required');\n } else {\n // Then format check (exactly 4 digits)\n const pinRegex = /^\\d{4}$/;\n if (!pinRegex.test(pin)) {\n errors.push('PIN must be exactly 4 digits');\n }\n }\n\n return errors;\n}\n\n/**\n * Sanitizes PIN input to only allow digits.\n *\n * @param input - Raw input string\n * @returns String with non-digit characters removed\n */\nexport function sanitizePinInput(input: string): string {\n return input.replace(/\\D/g, '');\n}\n\n/**\n * Validates that PIN and confirmation match.\n *\n * @param pin - Original PIN\n * @param confirmPin - Confirmation PIN\n * @returns True if they match\n */\nexport function validatePinMatch(pin: string, confirmPin: string): boolean {\n return pin === confirmPin;\n}\n","/**\n * Schema Migration Service\n *\n * Handles lazy migration of student records from v1 to v2.\n * Migration occurs on first login for existing students.\n */\n\nimport type { StudentRecord } from '../../types/contracts.js';\nimport { SCHEMA_VERSION } from '../../types/contracts.js';\n\n/**\n * Check if a student record needs migration to v2\n *\n * @param record - Student record to check\n * @returns true if record needs PIN migration\n */\nexport function needsMigration(record: StudentRecord): boolean {\n return record.schema < SCHEMA_VERSION;\n}\n\n/**\n * Check if a student has a PIN set\n *\n * @param record - Student record to check\n * @returns true if student has a PIN hash\n */\nexport function hasPinSet(record: StudentRecord): boolean {\n return Boolean(record.pinHash && record.pinHash.length > 0);\n}\n\n/**\n * Migrate a student record from v1 to v2\n *\n * Updates schema version but does NOT set PIN - that happens\n * after the student creates their PIN.\n *\n * @param record - Student record to migrate\n * @returns Updated record with v2 schema (pinHash empty)\n */\nexport function migrateToV2(record: StudentRecord): StudentRecord {\n if (record.schema >= SCHEMA_VERSION) {\n return record;\n }\n\n return {\n ...record,\n schema: SCHEMA_VERSION,\n // PIN fields left empty - student will create PIN on login\n pinHash: '',\n pinCreatedAt: undefined,\n pinResetAt: undefined,\n };\n}\n\n/**\n * Complete PIN setup for a migrated or new student\n *\n * @param record - Student record\n * @param pinHash - Hashed PIN\n * @returns Updated record with PIN set\n */\nexport function completePinSetup(record: StudentRecord, pinHash: string): StudentRecord {\n return {\n ...record,\n schema: SCHEMA_VERSION,\n pinHash,\n pinCreatedAt: new Date().toISOString(),\n };\n}\n\n/**\n * Reset a student's PIN (instructor action)\n *\n * @param record - Student record\n * @returns Updated record with PIN cleared\n */\nexport function resetPin(record: StudentRecord): StudentRecord {\n return {\n ...record,\n pinHash: '',\n pinResetAt: new Date().toISOString(),\n };\n}\n","/**\n * Status Component\n *\n * Compact single-line display of student quiz progress and logout button.\n * Shows: \"X/Y Correct (Z%)\" format.\n *\n * @element qd-status\n * @fires {CustomEvent} qd:logout - Emitted when user clicks logout\n *\n * @example\n * ```html\n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport type { SessionCache, SessionData } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { calculateStatusIndicator } from '../utils/calculation-helpers.js';\nimport { SessionService } from '../services/session.js';\nimport './qd-build-info.js';\nimport './qd-help-trigger.js';\nimport './qd-help-popup.js';\nimport { getHelpContent } from '../config/help-content.js';\n\n/**\n * Status panel component for student progress tracking\n */\n@customElement('qd-status')\nexport class QdStatus extends LitElement {\n /**\n * Total questions registered\n */\n @state()\n private total = 0;\n\n /**\n * Total correct answers\n */\n @state()\n private correct = 0;\n\n /**\n * Success percentage\n */\n @state()\n private percentage = 0;\n\n /**\n * Overall status indicator color\n */\n @state()\n private statusColor: 'red' | 'amber' | 'green' = 'red';\n\n /**\n * Student name\n */\n @state()\n private name = '';\n\n /**\n * Service ID (last 4 digits displayed)\n */\n @state()\n private serviceId = '';\n\n /**\n * Whether help popup is open\n */\n @state()\n private helpOpen = false;\n\n static styles = css`\n :host {\n display: none; /* Hidden by default, shown when logged in */\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n }\n\n :host([data-show]) {\n display: block;\n }\n\n .status-panel {\n display: flex;\n flex-direction: column;\n gap: 4px;\n padding: 6px 12px;\n background: #fff;\n border: 1px solid #ddd;\n border-radius: 4px;\n }\n\n .top-row {\n display: flex;\n align-items: center;\n gap: 8px;\n }\n\n .bottom-row {\n display: flex;\n align-items: center;\n gap: 8px;\n }\n\n .user-info {\n font-size: 13px;\n color: #333;\n white-space: nowrap;\n }\n\n .user-label {\n font-weight: 500;\n color: #555;\n }\n\n .status-indicator {\n width: 12px;\n height: 12px;\n border-radius: 50%;\n flex-shrink: 0;\n }\n\n .status-indicator.red {\n background: #d32f2f;\n }\n\n .status-indicator.amber {\n background: #ff9800;\n }\n\n .status-indicator.green {\n background: #4caf50;\n }\n\n .progress-label {\n font-size: 13px;\n font-weight: 500;\n color: #555;\n white-space: nowrap;\n }\n\n .progress-text {\n font-size: 13px;\n color: #333;\n white-space: nowrap;\n }\n\n .logout-button {\n padding: 5px 10px;\n background: #d32f2f;\n color: white;\n border: none;\n border-radius: 3px;\n font-size: 12px;\n font-weight: 500;\n cursor: pointer;\n transition: background 0.2s;\n white-space: nowrap;\n }\n\n .logout-button:hover {\n background: #b71c1c;\n }\n `;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n this.loadCache();\n\n // Listen for state changes and login/logout\n document.addEventListener('qd:state-changed', this.handleStateChanged);\n document.addEventListener('qd:login', this.handleLogin);\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:state-changed', this.handleStateChanged);\n document.removeEventListener('qd:login', this.handleLogin);\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n render() {\n const last4 = this.serviceId.slice(-4);\n return html`\n
                    \n
                    \n \n Test progress:\n ${this.name} **${last4}\n \n \n \n \n
                    \n
                    \n
                    \n
                    \n ${this.correct}/${this.total} Correct (${this.percentage}%)\n
                    \n
                    \n
                    \n \n `;\n }\n\n /**\n * Load cache from storage and update state\n */\n private loadCache() {\n // Load session data for name/serviceId\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (session) {\n this.name = session.name || '';\n this.serviceId = session.serviceId || '';\n } else {\n this.name = '';\n this.serviceId = '';\n }\n\n const cache = getJSON(STORAGE_KEYS.CACHE);\n if (!cache) {\n this.total = 0;\n this.correct = 0;\n this.percentage = 0;\n this.statusColor = 'red';\n return;\n }\n\n this.total = cache.totals.total;\n this.correct = cache.totals.correct;\n this.percentage = this.calculatePercentage(cache.totals.total, cache.totals.correct);\n this.statusColor = this.calculateStatusColor(cache.totals.total, cache.totals.correct);\n }\n\n /**\n * Calculate percentage from total/correct\n */\n private calculatePercentage(total: number, correct: number): number {\n if (total === 0) return 0;\n return Math.round((correct / total) * 100);\n }\n\n /**\n * Calculate status indicator color using calculation helper\n * Red: No questions registered or no answers\n * Green: All questions answered correctly\n * Amber: Some answered but not all correct\n */\n private calculateStatusColor(total: number, correct: number): 'red' | 'amber' | 'green' {\n return calculateStatusIndicator(total, correct);\n }\n\n /**\n * Update visibility based on session state\n * Show only if logged in as student (not instructor)\n */\n private updateVisibility() {\n const session = getJSON(STORAGE_KEYS.SESSION);\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n\n if (session && !isInstructor) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n /**\n * Handle state changed event\n */\n private handleStateChanged = () => {\n this.loadCache();\n };\n\n /**\n * Handle login event\n */\n private handleLogin = () => {\n this.updateVisibility();\n this.loadCache();\n };\n\n /**\n * Handle logout event\n */\n private handleLogoutEvent = () => {\n this.updateVisibility();\n };\n\n /**\n * Handle help open event\n */\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n /**\n * Handle help close event\n */\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n /**\n * Handle logout button click\n */\n private handleLogout() {\n const session = getJSON(STORAGE_KEYS.SESSION);\n\n // Clear session from storage\n const sessionService = new SessionService();\n sessionService.clearSession();\n\n const event = new CustomEvent('qd:logout', {\n detail: {\n serviceId: session?.serviceId || 'unknown',\n },\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-status': QdStatus;\n }\n}\n","/**\n * Shared styles for instructor components\n * CSS-in-JS styles used across qd-instructor sub-components\n */\n\nimport { css } from 'lit';\n\n/**\n * Common styles shared across all instructor sub-components\n */\nexport const sharedStyles = css`\n :host {\n display: inline-block;\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n font-size: 14px;\n line-height: 1.5;\n }\n\n /* When showing modal, host should not constrain size */\n :host([showmodal]) {\n display: block;\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n pointer-events: none; /* Let clicks through except on modal */\n }\n\n :host([showmodal]) .modal-overlay {\n pointer-events: auto; /* Re-enable on overlay */\n }\n\n .instructor-panel {\n display: flex;\n flex-direction: row;\n align-items: center;\n gap: 8px;\n }\n\n .instructor-title {\n font-weight: 600;\n font-size: 14px;\n color: var(--qd-text-on-dark, #fff);\n margin-right: 8px;\n }\n\n .toggle-label {\n display: flex;\n align-items: center;\n gap: 6px;\n cursor: pointer;\n font-size: 13px;\n color: var(--qd-text-on-dark, #fff);\n user-select: none;\n }\n\n .toggle-label input[type='checkbox'] {\n width: 16px;\n height: 16px;\n cursor: pointer;\n }\n\n button {\n padding: 8px 16px;\n border: 1px solid #ccc;\n border-radius: 4px;\n background: #fff;\n cursor: pointer;\n font-size: 14px;\n transition: all 0.2s;\n }\n\n button:hover {\n background: #f5f5f5;\n border-color: #999;\n }\n\n button:active {\n background: #e5e5e5;\n }\n\n button:disabled {\n opacity: 0.5;\n cursor: not-allowed;\n }\n\n button.compact {\n padding: 6px 12px;\n font-size: 13px;\n }\n\n button.primary {\n background: #007bff;\n color: white;\n border-color: #007bff;\n }\n\n button.primary:hover {\n background: #0056b3;\n border-color: #0056b3;\n }\n\n button.secondary {\n background: #ff9800;\n color: white;\n border-color: #ff9800;\n }\n\n button.secondary:hover {\n background: #f57c00;\n border-color: #f57c00;\n }\n\n button.danger {\n background: #dc3545;\n color: white;\n border-color: #dc3545;\n }\n\n button.danger:hover {\n background: #c82333;\n border-color: #c82333;\n }\n\n button.logout {\n background: #6c757d;\n color: white;\n border-color: #6c757d;\n }\n\n button.logout:hover {\n background: #5a6268;\n border-color: #5a6268;\n }\n\n input,\n textarea {\n padding: 8px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 14px;\n font-family: inherit;\n }\n\n input:focus,\n textarea:focus {\n outline: none;\n border-color: #007bff;\n box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);\n }\n\n .error {\n color: #dc3545;\n font-size: 12px;\n margin-top: 4px;\n }\n\n .success {\n color: #28a745;\n font-size: 12px;\n margin-top: 4px;\n }\n\n table {\n width: 100%;\n border-collapse: collapse;\n margin: 16px 0;\n }\n\n th,\n td {\n padding: 8px;\n text-align: left;\n border-bottom: 1px solid #ddd;\n color: #333; /* Explicit dark text */\n }\n\n th {\n background: #f5f5f5;\n font-weight: 600;\n color: #000; /* Explicit black for headers */\n }\n\n tr:hover {\n background: #f9f9f9;\n }\n\n .correct {\n color: #28a745;\n }\n\n .incorrect {\n color: #dc3545;\n }\n\n .modal-overlay {\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: rgba(0, 0, 0, 0.5);\n display: flex;\n align-items: center;\n justify-content: center;\n z-index: var(--qd-modal-overlay-z-index, 9999);\n pointer-events: auto; /* Ensure overlay catches all clicks */\n }\n\n .modal-content {\n position: relative;\n background: white;\n padding: 24px;\n border-radius: 8px;\n max-width: 800px;\n max-height: 80vh;\n overflow: auto;\n box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);\n z-index: var(--qd-modal-z-index, 10000);\n color: #333; /* Explicit dark text color */\n }\n\n .modal-header {\n display: flex;\n justify-content: space-between;\n align-items: center;\n margin-bottom: 16px;\n }\n\n .modal-title {\n font-size: 18px;\n font-weight: 600;\n margin: 0;\n color: #000; /* Explicit black for title */\n }\n\n .close-button {\n padding: 4px 8px;\n border: none;\n background: transparent;\n font-size: 20px;\n cursor: pointer;\n color: #666;\n }\n\n .close-button:hover {\n color: #000;\n }\n`;\n","/**\n * Security utilities for the Sonar Quiz System\n *\n * Provides rate limiting, constant-time comparison, and other security primitives\n * to protect against timing attacks, brute force, and other vulnerabilities.\n */\n\n/**\n * Rate limiter with exponential backoff\n *\n * Implements progressive delays after failed authentication attempts:\n * - 1st failure: 2s delay\n * - 2nd failure: 4s delay\n * - 3rd failure: 8s delay\n * - 4th failure: 16s delay\n * - 5th+ failure: 30s delay (max)\n *\n * @example\n * ```typescript\n * const limiter = new RateLimiter();\n *\n * async function handleLogin(password: string) {\n * if (!await limiter.attempt()) {\n * const remaining = limiter.getRemainingSeconds();\n * alert(`Too many attempts. Try again in ${remaining}s`);\n * return;\n * }\n *\n * const isValid = await validatePassword(password);\n * if (isValid) {\n * limiter.reset();\n * }\n * }\n * ```\n */\nexport class RateLimiter {\n private failureCount = 0;\n private lockoutUntil: number | null = null;\n\n /**\n * Attempt an action (e.g., login attempt)\n *\n * @returns true if action is allowed, false if rate limited\n */\n attempt(): boolean {\n if (this.lockoutUntil && Date.now() < this.lockoutUntil) {\n return false;\n }\n\n // Clear lockout if expired\n if (this.lockoutUntil && Date.now() >= this.lockoutUntil) {\n this.lockoutUntil = null;\n }\n\n return true;\n }\n\n /**\n * Record a failed attempt and apply exponential backoff\n *\n * Delays: 2s, 4s, 8s, 16s, 30s (max)\n */\n recordFailure(): void {\n this.failureCount++;\n\n // Exponential backoff with max of 30 seconds\n const delays = [2000, 4000, 8000, 16000, 30000];\n const delayIndex = Math.min(this.failureCount - 1, delays.length - 1);\n const delay = delays[delayIndex] ?? 30000;\n\n this.lockoutUntil = Date.now() + delay;\n }\n\n /**\n * Reset the rate limiter after successful authentication\n */\n reset(): void {\n this.failureCount = 0;\n this.lockoutUntil = null;\n }\n\n /**\n * Get remaining lockout time in seconds\n *\n * @returns Number of seconds until next attempt allowed, or 0 if not locked\n */\n getRemainingSeconds(): number {\n if (!this.lockoutUntil) {\n return 0;\n }\n\n const remaining = Math.max(0, this.lockoutUntil - Date.now());\n return Math.ceil(remaining / 1000);\n }\n\n /**\n * Check if currently locked out\n */\n isLockedOut(): boolean {\n return this.lockoutUntil !== null && Date.now() < this.lockoutUntil;\n }\n}\n\n/**\n * Constant-time string comparison using Web Crypto API\n *\n * Prevents timing attacks by ensuring comparison time is independent\n * of where strings differ. Uses HMAC-SHA256 for constant-time comparison.\n *\n * @param a - First string to compare\n * @param b - Second string to compare\n * @returns Promise if strings match, Promise otherwise\n *\n * @example\n * ```typescript\n * const userHash = await hashPassword(userInput);\n * const storedHash = getStoredHash();\n *\n * if (await constantTimeCompare(userHash, storedHash)) {\n * // Authentication successful\n * }\n * ```\n */\nexport async function constantTimeCompare(a: string, b: string): Promise {\n // Early length check (length is not secret information)\n if (a.length !== b.length) {\n return false;\n }\n\n // Handle empty strings (Web Crypto API doesn't support zero-length keys)\n if (a.length === 0) {\n return true; // Both are empty strings\n }\n\n // Use Web Crypto API for constant-time comparison\n const encoder = new TextEncoder();\n const aBuffer = encoder.encode(a);\n const bBuffer = encoder.encode(b);\n\n try {\n // Import first string as HMAC key\n const key = await crypto.subtle.importKey(\n 'raw',\n aBuffer,\n { name: 'HMAC', hash: 'SHA-256' },\n false,\n ['sign'],\n );\n\n // Sign second string with first as key\n const signature = await crypto.subtle.sign('HMAC', key, bBuffer);\n\n // Compare signature to expected value\n // This uses crypto.subtle which performs constant-time comparison internally\n const expectedKey = await crypto.subtle.importKey(\n 'raw',\n bBuffer,\n { name: 'HMAC', hash: 'SHA-256' },\n false,\n ['sign'],\n );\n\n const expectedSignature = await crypto.subtle.sign('HMAC', expectedKey, aBuffer);\n\n // Compare signatures byte-by-byte\n if (signature.byteLength !== expectedSignature.byteLength) {\n return false;\n }\n\n const sigView = new Uint8Array(signature);\n const expView = new Uint8Array(expectedSignature);\n\n // XOR all bytes - result is 0 if all bytes match\n let result = 0;\n for (let i = 0; i < sigView.length; i++) {\n result |= (sigView[i] ?? 0) ^ (expView[i] ?? 0);\n }\n\n return result === 0;\n } catch (error) {\n // Crypto API failure - fail closed\n console.error('Constant-time comparison failed:', error);\n return false;\n }\n}\n\n/**\n * Hash a password using SHA-256\n *\n * @param password - Password to hash\n * @returns Promise - Hex-encoded SHA-256 hash\n *\n * @example\n * ```typescript\n * const hash = await hashPassword('my-secure-password');\n * console.log(hash); // \"5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8\"\n * ```\n */\nexport async function hashPassword(password: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n}\n","/**\n * Instructor password configuration\n *\n * Retrieves the instructor password hash from the DOM, injected by\n * Oxygen XSL transform during DITA publishing.\n *\n * The password hash is stored in a hidden span element:\n * ```html\n * hash-value\n * ```\n *\n * This approach allows different passwords per deployment without rebuilding\n * the JavaScript bundle.\n */\n\nimport { error } from '../utils/logger.js';\n\n/**\n * DOM element ID containing the instructor password hash\n *\n * This element is injected by the Oxygen XSL transform using a parameter.\n */\nconst PASSWORD_HASH_ELEMENT_ID = 'instructor.password.hash';\n\n/**\n * Get the instructor password hash from the DOM\n *\n * @returns The SHA-256 hash of the instructor password\n * @throws Error if password hash element not found or empty\n *\n * @example\n * ```typescript\n * try {\n * const hash = getInstructorPasswordHash();\n * console.log('Hash retrieved:', hash);\n * } catch (err) {\n * console.error('Password hash not configured:', err);\n * }\n * ```\n */\nexport function getInstructorPasswordHash(): string {\n const hashElement = document.getElementById(PASSWORD_HASH_ELEMENT_ID);\n\n if (!hashElement) {\n const errorMsg = `Instructor password hash not found. Expected element with id=\"${PASSWORD_HASH_ELEMENT_ID}\". Check Oxygen XSL transform configuration.`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n const hash = hashElement.textContent?.trim();\n\n if (!hash) {\n const errorMsg = `Instructor password hash element is empty. Check Oxygen parameter configuration.`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n // Validate hash format (should be 64 hex characters for SHA-256)\n if (!/^[a-f0-9]{64}$/i.test(hash)) {\n const errorMsg = `Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${hash.substring(0, 20)}...`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n return hash.toLowerCase(); // Normalize to lowercase\n}\n\n/**\n * Check if instructor password hash is configured\n *\n * @returns true if password hash element exists and is non-empty\n */\nexport function isInstructorPasswordConfigured(): boolean {\n try {\n getInstructorPasswordHash();\n return true;\n } catch {\n return false;\n }\n}\n","/**\n * Instructor unlock component with password verification and rate limiting\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport { RateLimiter } from '../../utils/security.js';\nimport { constantTimeCompare } from '../../utils/security.js';\nimport { getInstructorPasswordHash } from '../../config/instructor-password.js';\nimport { dispatchEventOn } from '../../utils/event-helpers.js';\n\n/**\n * Password unlock UI with rate limiting for instructor access\n *\n * Features:\n * - Password input with masked field\n * - Rate limiting: 2s, 4s, 8s, 16s, 30s lockout on failures\n * - Constant-time password comparison\n * - Emits 'qd:instructor-unlock' on success\n *\n * @fires qd:instructor-unlock - Emitted when password verified successfully\n */\n@customElement('qd-instructor-unlock')\nexport class QdInstructorUnlock extends LitElement {\n static override styles = sharedStyles;\n\n @state()\n private password = '';\n\n @state()\n private error = '';\n\n @state()\n private remainingSeconds = 0;\n\n private rateLimiter = new RateLimiter();\n private countdownInterval?: number;\n\n override disconnectedCallback(): void {\n super.disconnectedCallback();\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n }\n }\n\n private handlePasswordInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.password = input.value;\n this.error = '';\n };\n\n private handleSubmit = async (e: Event): Promise => {\n e.preventDefault();\n\n // Check rate limit\n const allowed = this.rateLimiter.attempt();\n if (!allowed) {\n this.remainingSeconds = this.rateLimiter.getRemainingSeconds();\n this.startCountdown();\n this.error = `Too many attempts. Try again in ${this.remainingSeconds}s`;\n return;\n }\n\n // Validate password\n try {\n const expectedHash = getInstructorPasswordHash();\n\n // Hash the entered password\n const encoder = new TextEncoder();\n const data = encoder.encode(this.password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n const actualHash = hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n\n // Constant-time comparison\n const valid = await constantTimeCompare(actualHash, expectedHash);\n\n if (valid) {\n // Success - reset limiter and emit event\n this.rateLimiter.reset();\n this.password = '';\n this.error = '';\n dispatchEventOn(this, 'qd:instructor-unlock', {});\n } else {\n // Failure - show error\n this.error = 'Invalid password';\n this.password = '';\n }\n } catch {\n this.error = 'Authentication failed';\n this.password = '';\n }\n };\n\n private startCountdown(): void {\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n }\n\n this.countdownInterval = window.setInterval(() => {\n this.remainingSeconds = this.rateLimiter.getRemainingSeconds();\n if (this.remainingSeconds === 0) {\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n this.countdownInterval = undefined;\n }\n this.error = '';\n } else {\n this.error = `Too many attempts. Try again in ${this.remainingSeconds}s`;\n }\n }, 1000);\n }\n\n override render() {\n const isLocked = this.remainingSeconds > 0;\n\n return html`\n
                    \n

                    Instructor Access

                    \n

                    Enter the instructor password to unlock administrative features.

                    \n\n
                    \n
                    \n \n \n
                    \n\n ${this.error\n ? html`
                    ${this.error}
                    `\n : ''}\n\n \n
                    \n
                    \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-unlock': QdInstructorUnlock;\n }\n}\n","/**\n * Scores Modal Component\n *\n * Displays student scores in a modal with expandable per-page breakdown.\n * Uses qd-modal as base for modal behavior.\n *\n * @element qd-scores-modal\n * @fires {CustomEvent} close - Emitted when modal closes\n * @fires {CustomEvent} qd:modal-close - Bubbles from qd-modal\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\nimport type { StudentRecord } from '../types/contracts.js';\nimport './qd-modal.js';\n\ninterface StudentSummary {\n serviceId: string;\n name: string;\n attempted: number;\n correct: number;\n percentage: number;\n}\n\n/**\n * Modal component for displaying student scores with expandable details\n */\n@customElement('qd-scores-modal')\nexport class QdScoresModal extends LitElement {\n /**\n * Whether the modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Student records to display\n */\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n /**\n * Set of expanded student service IDs\n */\n @state()\n private expandedStudents = new Set();\n\n static styles = css`\n :host {\n display: contents;\n }\n\n .scores-content {\n min-width: 600px;\n max-width: 800px;\n }\n\n .empty-message {\n color: #666;\n padding: 20px;\n text-align: center;\n }\n\n table {\n width: 100%;\n border-collapse: collapse;\n }\n\n thead th {\n padding: 8px;\n text-align: left;\n border-bottom: 1px solid #ddd;\n background: #f5f5f5;\n font-weight: 600;\n }\n\n .student-row {\n cursor: pointer;\n }\n\n .student-row:hover {\n background: #f9f9f9;\n }\n\n .student-row td {\n padding: 8px;\n border-bottom: 1px solid #eee;\n }\n\n .expand-icon {\n display: inline-block;\n width: 16px;\n margin-right: 4px;\n text-align: center;\n }\n\n .correct-highlight {\n color: #28a745;\n }\n\n .incorrect-highlight {\n color: #dc3545;\n }\n\n .detail-row {\n background: #f9f9f9;\n }\n\n .detail-row td {\n padding: 8px 8px 8px 40px;\n border-bottom: 1px solid #eee;\n }\n\n .page-breakdown {\n display: flex;\n flex-direction: column;\n gap: 6px;\n }\n\n .page-row {\n display: flex;\n align-items: center;\n gap: 12px;\n }\n\n .page-name {\n font-weight: 600;\n min-width: 120px;\n flex-shrink: 0;\n }\n\n .answers-list {\n display: flex;\n flex-wrap: wrap;\n gap: 4px;\n flex: 1;\n }\n\n .answer-badge {\n display: inline-block;\n padding: 2px 6px;\n border-radius: 3px;\n font-size: 11px;\n font-weight: 500;\n }\n\n .answer-badge.correct {\n background: #d4edda;\n color: #155724;\n border: 1px solid #c3e6cb;\n }\n\n .answer-badge.incorrect {\n background: #f8d7da;\n color: #721c24;\n border: 1px solid #f5c6cb;\n }\n\n .answer-badge.unanswered {\n background: #e0e0e0;\n color: #666;\n }\n\n .no-pages {\n color: #666;\n font-style: italic;\n }\n `;\n\n updated(changedProperties: Map) {\n if (changedProperties.has('open') && this.open) {\n // Expand all students by default when modal opens\n this.expandedStudents = new Set(this.students.map((s) => s.serviceId));\n }\n }\n\n render() {\n return html`\n \n Student Scores\n
                    \n ${this.students.length === 0\n ? html`

                    No student data available.

                    `\n : this.renderScoresTable()}\n
                    \n                     \n `;\n }\n\n private renderScoresTable() {\n const sortedStudents = [...this.students].sort((a, b) => a.name.localeCompare(b.name));\n\n return html`\n \n \n \n \n \n \n \n \n \n \n \n ${sortedStudents.map((student) => this.renderStudentRow(student))}\n \n
                    StudentService IDAttemptedCorrectPercentage
                    \n `;\n }\n\n private renderStudentRow(student: StudentRecord) {\n const summary = this.calculateSummary(student);\n const isExpanded = this.expandedStudents.has(student.serviceId);\n\n return html`\n this.toggleStudent(student.serviceId)}>\n \n ${isExpanded ? '▼' : '▶'}\n ${summary.name}\n \n ${summary.serviceId}\n ${summary.attempted}\n 0\n ? 'correct-highlight'\n : ''}\n >\n ${summary.correct}\n \n ${summary.percentage}%\n \n ${isExpanded ? this.renderDetailRow(student) : nothing}\n `;\n }\n\n private renderDetailRow(student: StudentRecord) {\n const pages = Object.entries(student.pages);\n\n return html`\n \n \n ${pages.length === 0\n ? html`No quiz pages attempted`\n : html`\n
                    \n ${pages.map(\n ([pageId, pageData]) => html`\n
                    \n ${pageId}\n
                    \n ${pageData.answers.map(\n (answer, index) => html`\n \n Q${index + 1}: ${answer ? answer.answer : '—'}\n \n `,\n )}\n
                    \n
                    \n `,\n )}\n
                    \n `}\n \n \n `;\n }\n\n private calculateSummary(student: StudentRecord): StudentSummary {\n const percentage =\n student.attempted > 0 ? Math.round((student.correct / student.attempted) * 100) : 0;\n\n return {\n serviceId: student.serviceId,\n name: student.name,\n attempted: student.attempted,\n correct: student.correct,\n percentage,\n };\n }\n\n private getPercentageClass(percentage: number): string {\n if (percentage === 100) return 'correct-highlight';\n if (percentage === 0) return 'incorrect-highlight';\n return '';\n }\n\n private getAnswerClass(answer: { success: boolean } | null): string {\n if (!answer) return 'unanswered';\n return answer.success ? 'correct' : 'incorrect';\n }\n\n private toggleStudent(serviceId: string) {\n const newSet = new Set(this.expandedStudents);\n if (newSet.has(serviceId)) {\n newSet.delete(serviceId);\n } else {\n newSet.add(serviceId);\n }\n this.expandedStudents = newSet;\n }\n\n private handleModalClose = () => {\n this.open = false;\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n /**\n * Open the modal\n */\n show() {\n this.open = true;\n }\n\n /**\n * Close the modal\n */\n close() {\n this.open = false;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-scores-modal': QdScoresModal;\n }\n}\n","/**\n * Instructor scores view component\n * Displays student scores with expandable per-page breakdown\n *\n * Refactored to use qd-scores-modal component.\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord } from '../../types/contracts.js';\nimport '../qd-scores-modal.js';\n\n/**\n * Scores table component showing all student progress\n *\n * Features:\n * - Summary view with attempted/correct/percentage\n * - Expandable per-student breakdown\n * - Color-coded correct/incorrect answers\n * - Modal display with close button\n *\n * Now delegates to qd-scores-modal component.\n */\n@customElement('qd-instructor-scores')\nexport class QdInstructorScores extends LitElement {\n static override styles = sharedStyles;\n\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n @property({ type: Boolean })\n showModal = false;\n\n private handleClose = () => {\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n override render() {\n return html`\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-scores': QdInstructorScores;\n }\n}\n","/**\n * Instructor CSV export component\n * Generates and downloads CSV export of all student data\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord } from '../../types/contracts.js';\n\n/**\n * CSV export controls for instructor\n *\n * Features:\n * - Generates RFC 4180 compliant CSV\n * - Includes all student answers with timestamps\n * - Downloads as file with timestamp in filename\n * - Proper escaping of special characters\n */\n@customElement('qd-instructor-export')\nexport class QdInstructorExport extends LitElement {\n static override styles = sharedStyles;\n\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n private escapeCSVField(field: string | number | boolean): string {\n const str = String(field);\n // If field contains comma, quote, or newline, wrap in quotes and escape quotes\n if (str.includes(',') || str.includes('\"') || str.includes('\\n')) {\n return `\"${str.replace(/\"/g, '\"\"')}\"`;\n }\n return str;\n }\n\n private generateCSV(): string {\n const rows: string[] = [];\n\n // Header row\n rows.push('Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp');\n\n // Data rows\n for (const student of this.students) {\n for (const [pageId, pageData] of Object.entries(student.pages)) {\n const answers = pageData.answers || [];\n answers.forEach((answer, index) => {\n if (answer) {\n rows.push(\n [\n this.escapeCSVField(student.serviceId),\n this.escapeCSVField(student.name),\n this.escapeCSVField(student.release),\n this.escapeCSVField(pageId),\n this.escapeCSVField(index),\n this.escapeCSVField(answer.answer),\n this.escapeCSVField(answer.success),\n this.escapeCSVField(answer.timestamp),\n ].join(','),\n );\n }\n });\n }\n }\n\n return rows.join('\\n');\n }\n\n private handleExport = (): void => {\n const csv = this.generateCSV();\n const blob = new Blob([csv], { type: 'text/csv;charset=utf-8;' });\n const url = URL.createObjectURL(blob);\n\n // Create download link\n const link = document.createElement('a');\n link.href = url;\n\n // Generate filename with timestamp\n const now = new Date();\n const timestamp = now.toISOString().replace(/[:.]/g, '-').slice(0, 19);\n link.download = `quiz-data-${timestamp}.csv`;\n\n // Trigger download\n document.body.appendChild(link);\n link.click();\n document.body.removeChild(link);\n\n // Clean up\n URL.revokeObjectURL(url);\n };\n\n override render() {\n // Check if any student has answered at least one question (FR-006)\n const hasData =\n this.students.length > 0 && this.students.some((student) => student.attempted > 0);\n\n const tooltip = hasData\n ? `Export ${this.students.length} student${this.students.length === 1 ? '' : 's'} to CSV`\n : this.students.length > 0\n ? 'No answers to export (students have not answered any questions)'\n : 'No data to export';\n\n return html`\n \n Export CSV\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-export': QdInstructorExport;\n }\n}\n","/**\n * Instructor data management component\n * Handles clearing/backing up student data\n */\n\nimport { LitElement, html, render } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport { clearQuizData } from '../../utils/storage-helpers.js';\nimport { dispatchEventOn } from '../../utils/event-helpers.js';\n\n/**\n * Data management controls for instructor\n *\n * Features:\n * - Clear all quiz data with confirmation\n * - Safety confirmation dialog\n * - Emits 'qd:data-cleared' event on success\n *\n * @fires qd:data-cleared - Emitted when all data successfully cleared\n */\n@customElement('qd-instructor-manage')\nexport class QdInstructorManage extends LitElement {\n static override styles = sharedStyles;\n\n @state()\n private showConfirmDialog = false;\n\n @state()\n private confirmText = '';\n\n @state()\n private error = '';\n\n @state()\n private success = '';\n\n private modalContainer: HTMLDivElement | null = null;\n\n override disconnectedCallback(): void {\n super.disconnectedCallback();\n this.removeModalFromBody();\n }\n\n override updated(changedProperties: Map): void {\n super.updated(changedProperties);\n if (changedProperties.has('showConfirmDialog')) {\n if (this.showConfirmDialog) {\n this.renderModalToBody();\n } else {\n this.removeModalFromBody();\n }\n }\n // Re-render modal if confirmText or error changes while dialog is open\n if (\n this.showConfirmDialog &&\n (changedProperties.has('confirmText') || changedProperties.has('error'))\n ) {\n this.renderModalToBody();\n }\n }\n\n private renderModalToBody(): void {\n if (!this.modalContainer) {\n this.modalContainer = document.createElement('div');\n this.modalContainer.className = 'qd-manage-modal-container';\n document.body.appendChild(this.modalContainer);\n }\n render(this.renderConfirmDialog(), this.modalContainer);\n }\n\n private removeModalFromBody(): void {\n if (this.modalContainer) {\n this.modalContainer.remove();\n this.modalContainer = null;\n }\n }\n\n private handleClearRequest = (): void => {\n this.showConfirmDialog = true;\n this.confirmText = '';\n this.error = '';\n this.success = '';\n };\n\n private handleCancelClear = (): void => {\n this.showConfirmDialog = false;\n this.confirmText = '';\n this.error = '';\n };\n\n private handleConfirmInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.confirmText = input.value;\n };\n\n private handleConfirmClear = (): void => {\n // Require exact match\n if (this.confirmText !== 'DELETE ALL DATA') {\n this.error = 'Confirmation text does not match';\n return;\n }\n\n try {\n // Clear all quiz data from storage\n clearQuizData();\n\n // Emit event\n dispatchEventOn(this, 'qd:data-cleared', {});\n\n // Show success\n this.success = 'All quiz data cleared successfully';\n this.showConfirmDialog = false;\n this.confirmText = '';\n this.error = '';\n\n // Clear success message after 3 seconds\n setTimeout(() => {\n this.success = '';\n }, 3000);\n } catch {\n this.error = 'Failed to clear data';\n }\n };\n\n override render() {\n return html`\n \n Erase All Data\n \n\n ${this.success\n ? html`\n \n ${this.success}\n
              \n `\n : ''}\n `;\n }\n\n private renderConfirmDialog() {\n const isValid = this.confirmText === 'DELETE ALL DATA';\n\n return html`\n {\n if (e.target === e.currentTarget) this.handleCancelClear();\n }}\n >\n e.stopPropagation()}\n >\n \n

              \n Confirm Data Deletion\n

              \n \n ✕\n \n
              \n\n

              \n ⚠️ This will permanently delete all student quiz data, answers, and progress.\n

              \n\n

              \n This action cannot be undone. All students will need to start over.\n

              \n\n

              \n Type DELETE ALL DATA to confirm:\n

              \n\n \n\n ${this.error\n ? html`
              ${this.error}
              `\n : ''}\n\n
              \n \n Cancel\n \n \n Delete All Data\n \n
              \n \n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-manage': QdInstructorManage;\n }\n}\n","/**\n * PIN Reset Dialog Component\n *\n * Modal dialog for instructors to reset student PINs.\n * Shows student list with search and reset confirmation.\n * Uses qd-modal base for consistent modal behavior.\n *\n * @element qd-pin-reset-dialog\n * @fires {CustomEvent<{serviceId: string}>} qd:pin-reset - Emitted when PIN is reset\n * @fires {CustomEvent} close - Emitted when dialog is closed\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\nimport type { StudentRecord, PinResetEvent } from '../types/contracts.js';\nimport { getStorageAdapter } from '../services/storage/indexeddb.js';\nimport { resetPin } from '../services/storage/migration.js';\nimport { CONFIG_IDS } from '../config/dom-config-reader.js';\nimport './qd-modal.js';\nimport './qd-confirm-dialog.js';\n\n@customElement('qd-pin-reset-dialog')\nexport class QdPinResetDialog extends LitElement {\n /**\n * Students available for PIN reset\n */\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n /**\n * Whether dialog is visible\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Search filter text\n */\n @state()\n private searchText = '';\n\n /**\n * Student being confirmed for reset\n */\n @state()\n private confirmingStudent: StudentRecord | null = null;\n\n /**\n * Whether confirmation dialog is open\n */\n @state()\n private confirmDialogOpen = false;\n\n /**\n * Error message to display\n */\n @state()\n private errorMessage = '';\n\n static styles = css`\n :host {\n display: contents;\n }\n\n .pin-reset-content {\n min-width: 400px;\n max-width: 500px;\n }\n\n .search-input {\n width: 100%;\n box-sizing: border-box;\n padding: 8px 12px;\n border: 1px solid #ccc;\n border-radius: 4px;\n margin-bottom: 12px;\n font-size: 12px;\n }\n\n .search-input:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n .student-list {\n max-height: 300px;\n overflow-y: auto;\n border: 1px solid #e0e0e0;\n border-radius: 4px;\n }\n\n .student-item {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n }\n\n .student-item:last-child {\n border-bottom: none;\n }\n\n .student-name {\n font-size: 12px;\n font-weight: 500;\n }\n\n .student-id {\n font-size: 10px;\n color: #666;\n }\n\n .pin-status {\n font-size: 10px;\n }\n\n .pin-status.has-pin {\n color: #4caf50;\n }\n\n .pin-status.no-pin {\n color: #ff9800;\n }\n\n .reset-btn {\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n }\n\n .reset-btn:hover {\n background: #e64a19;\n }\n\n .empty-message {\n padding: 16px;\n text-align: center;\n color: #666;\n font-size: 12px;\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n }\n `;\n\n /**\n * Backward compatibility: Support both 'open' and 'showModal' props\n */\n @property({ type: Boolean })\n set showModal(value: boolean) {\n this.open = value;\n }\n get showModal(): boolean {\n return this.open;\n }\n\n private get filteredStudents(): StudentRecord[] {\n if (!this.searchText.trim()) {\n return this.students;\n }\n const search = this.searchText.toLowerCase().trim();\n return this.students.filter(\n (s) => s.name.toLowerCase().includes(search) || s.serviceId.toLowerCase().includes(search),\n );\n }\n\n /**\n * Close the modal\n */\n close(): void {\n this.open = false;\n this.confirmingStudent = null;\n this.confirmDialogOpen = false;\n this.searchText = '';\n this.errorMessage = '';\n }\n\n /**\n * Show the modal\n */\n show(): void {\n this.open = true;\n }\n\n /**\n * Handle modal close from qd-modal\n */\n private handleModalClose = (): void => {\n // Don't close main modal if confirm dialog is open\n if (this.confirmDialogOpen) {\n return;\n }\n this.close();\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n /**\n * Handle search input\n */\n private handleSearchInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.searchText = input.value;\n // Sync updated list to portal\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n };\n\n /**\n * Show confirmation dialog for PIN reset\n */\n private handleResetClick = (student: StudentRecord): void => {\n this.confirmingStudent = student;\n this.confirmDialogOpen = true;\n };\n\n /**\n * Handle confirm button click in confirmation dialog\n */\n private handleConfirmReset = (): void => {\n if (this.confirmingStudent) {\n void this.executeReset(this.confirmingStudent);\n }\n };\n\n /**\n * Handle cancel button click in confirmation dialog\n */\n private handleCancelReset = (): void => {\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n };\n\n private async executeReset(student: StudentRecord) {\n try {\n const dbNameElement = document.getElementById(CONFIG_IDS.dbName);\n if (!dbNameElement?.textContent?.trim()) {\n throw new Error(\n `Database name not configured. Add dbName to page.`,\n );\n }\n const dbName = dbNameElement.textContent.trim();\n const storage = getStorageAdapter(dbName);\n await storage.init();\n\n // Reset the PIN\n const updatedStudent = resetPin(student);\n await storage.saveStudent(updatedStudent);\n\n // Create audit log entry\n const auditEvent: PinResetEvent = {\n eventId: crypto.randomUUID(),\n serviceId: student.serviceId,\n resetBy: 'instructor',\n resetAt: new Date().toISOString(),\n release: student.release,\n };\n await storage.saveAuditEvent(auditEvent);\n\n // Update local data\n const index = this.students.findIndex((s) => s.serviceId === student.serviceId);\n if (index >= 0) {\n this.students[index] = updatedStudent;\n this.students = [...this.students]; // Trigger reactivity\n }\n\n // Emit event\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n detail: {\n serviceId: student.serviceId,\n resetBy: 'instructor',\n timestamp: new Date().toISOString(),\n },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Close confirm dialog and refresh list\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n this.errorMessage = '';\n\n // Sync updated list to portal\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n } catch (err) {\n console.error('PIN reset error:', err);\n this.errorMessage = 'Failed to reset PIN. Please try again.';\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n\n // Sync error to portal\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n }\n }\n\n /**\n * Sync dynamic content to portal DOM.\n * Since qd-modal clones content and loses Lit bindings,\n * we need to manually update the portal content.\n */\n private syncContentToPortal(): void {\n const backdrop = document.querySelector('.qd-modal-backdrop');\n if (!backdrop) return;\n\n const listContainer = backdrop.querySelector('.student-list');\n if (!listContainer) return;\n\n // Clear and rebuild student list\n listContainer.innerHTML = '';\n const filtered = this.filteredStudents;\n\n if (filtered.length === 0) {\n const empty = document.createElement('div');\n empty.className = 'empty-message';\n empty.textContent = this.searchText ? 'No matching students' : 'No students found';\n empty.style.cssText = 'padding: 16px; text-align: center; color: #666; font-size: 12px;';\n listContainer.appendChild(empty);\n } else {\n filtered.forEach((student) => {\n const item = document.createElement('div');\n item.className = 'student-item';\n item.style.cssText = `\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n `;\n\n const info = document.createElement('div');\n\n const nameSpan = document.createElement('div');\n nameSpan.className = 'student-name';\n nameSpan.textContent = student.name;\n nameSpan.style.cssText = 'font-size: 12px; font-weight: 500;';\n\n const idSpan = document.createElement('div');\n idSpan.className = 'student-id';\n idSpan.textContent = `ID: ${student.serviceId}`;\n idSpan.style.cssText = 'font-size: 10px; color: #666;';\n\n const pinStatus = document.createElement('div');\n pinStatus.className = 'pin-status';\n const hasPinHash = student.pinHash && student.pinHash.length > 0;\n pinStatus.textContent = hasPinHash ? 'PIN set' : 'No PIN';\n pinStatus.style.cssText = `font-size: 10px; color: ${hasPinHash ? '#4caf50' : '#ff9800'};`;\n\n info.appendChild(nameSpan);\n info.appendChild(idSpan);\n info.appendChild(pinStatus);\n\n const resetBtn = document.createElement('button');\n resetBtn.className = 'reset-btn';\n resetBtn.textContent = 'Reset PIN';\n resetBtn.type = 'button';\n resetBtn.style.cssText = `\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n `;\n resetBtn.onclick = () => this.handleResetClick(student);\n\n item.appendChild(info);\n item.appendChild(resetBtn);\n listContainer.appendChild(item);\n });\n }\n\n // Sync error message\n let errorDiv = backdrop.querySelector('.error-message');\n if (this.errorMessage) {\n if (!errorDiv) {\n errorDiv = document.createElement('div');\n errorDiv.className = 'error-message';\n const content = backdrop.querySelector('.qd-modal-body');\n content?.appendChild(errorDiv);\n }\n errorDiv.textContent = this.errorMessage;\n (errorDiv as HTMLElement).style.cssText = `\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n `;\n } else {\n errorDiv?.remove();\n }\n }\n\n /**\n * Setup event listeners in portal after open\n */\n private setupPortalListeners(): void {\n const backdrop = document.querySelector('.qd-modal-backdrop');\n if (!backdrop) return;\n\n // Setup search input listener\n const searchInput = backdrop.querySelector('.search-input') as HTMLInputElement;\n if (searchInput) {\n searchInput.oninput = this.handleSearchInput;\n searchInput.focus();\n }\n\n // Initial list sync\n this.syncContentToPortal();\n }\n\n override updated(changedProps: Map): void {\n if (changedProps.has('open') && this.open) {\n // Wait for portal to render, then setup listeners\n setTimeout(() => {\n this.setupPortalListeners();\n }, 0);\n }\n\n if (changedProps.has('students') && this.open) {\n void this.updateComplete.then(() => {\n this.syncContentToPortal();\n });\n }\n }\n\n override render() {\n // Don't render when closed\n if (!this.open) {\n return nothing;\n }\n\n const student = this.confirmingStudent;\n const confirmMessage = student\n ? `Reset PIN for ${student.name} (${student.serviceId})?
              They will need to create a new PIN on next login.`\n : '';\n\n return html`\n \n Reset Student PIN\n\n
              \n \n\n
              \n ${this.filteredStudents.length === 0\n ? html`
              \n ${this.searchText ? 'No matching students' : 'No students found'}\n
              `\n : this.filteredStudents.map(\n (s) => html`\n
              \n
              \n
              ${s.name}
              \n
              ID: ${s.serviceId}
              \n
              \n ${s.pinHash ? 'PIN set' : 'No PIN'}\n
              \n
              \n \n
              \n `,\n )}\n
              \n\n ${this.errorMessage ? html`
              ${this.errorMessage}
              ` : ''}\n
              \n               \n\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-pin-reset-dialog': QdPinResetDialog;\n }\n}\n","/**\n * Instructor component orchestrator\n * Delegates to sub-components based on unlock state\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord, SessionData } from '../../types/contracts.js';\nimport { STORAGE_KEYS } from '../../types/contracts.js';\nimport { getJSON } from '../../utils/storage-helpers.js';\nimport { SessionService } from '../../services/session.js';\nimport './qd-instructor-unlock.js';\nimport './qd-instructor-scores.js';\nimport './qd-instructor-export.js';\nimport './qd-instructor-manage.js';\nimport '../qd-build-info.js';\nimport '../qd-pin-reset-dialog.js';\nimport '../qd-help-trigger.js';\nimport '../qd-help-popup.js';\nimport { getHelpContent } from '../../config/help-content.js';\n\n/**\n * Main instructor panel orchestrating all sub-components\n *\n * State management:\n * - unlocked: false → shows unlock component\n * - unlocked: true → shows scores/export/manage controls\n *\n * @fires qd:instructor-unlock - Forwarded from unlock component\n * @fires qd:data-cleared - Forwarded from manage component\n */\n@customElement('qd-instructor')\nexport class QdInstructor extends LitElement {\n static override styles = [\n sharedStyles,\n css`\n :host {\n display: none; /* Hidden by default, shown when instructor logged in */\n }\n\n :host([data-show]) {\n display: block;\n }\n `,\n ];\n\n @state()\n private unlocked = false;\n\n @state()\n private showScores = false;\n\n @state()\n private students: StudentRecord[] = [];\n\n @state()\n private showStudentAnswers = false;\n\n @state()\n private showPinReset = false;\n\n @state()\n private helpOpen = false;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n\n // Auto-unlock if instructor is already logged in\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.unlock();\n }\n\n // Restore toggle state from sessionStorage\n const savedState = sessionStorage.getItem('qd/instructor/showAnswers');\n if (savedState !== null) {\n this.showStudentAnswers = savedState === 'true';\n\n // If toggle was enabled and instructor is logged in, dispatch event to show answers\n if (this.showStudentAnswers && isInstructor) {\n // Dispatch after tables are enhanced (use setTimeout to defer)\n setTimeout(() => {\n this.dispatchEvent(\n new CustomEvent('qd:instructor-show-answers', {\n bubbles: true,\n composed: true,\n }),\n );\n }, 100);\n }\n }\n\n document.addEventListener('qd:login', this.handleLoginEvent);\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:login', this.handleLoginEvent);\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n /**\n * Update visibility based on instructor session state\n */\n private updateVisibility(): void {\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n private handleLoginEvent = (event: Event): void => {\n const customEvent = event as CustomEvent<{ role?: string }>;\n const role = customEvent.detail?.role;\n\n this.updateVisibility();\n\n // Auto-unlock if instructor logged in\n if (role === 'instructor') {\n this.unlock();\n }\n };\n\n private handleLogoutEvent = (): void => {\n this.updateVisibility();\n this.lock();\n };\n\n /**\n * Set student data for display\n */\n setStudents(students: StudentRecord[]): void {\n this.students = students;\n }\n\n /**\n * Unlock instructor panel (call after successful auth)\n */\n unlock(): void {\n this.unlocked = true;\n }\n\n /**\n * Lock instructor panel (call on logout)\n */\n lock(): void {\n this.unlocked = false;\n this.showScores = false;\n this.showPinReset = false;\n }\n\n private handleResetPins = async (): Promise => {\n // Load all students for current release before showing reset dialog\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const { getStorageService } = await import('../../services/storage-service.js');\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showPinReset = true;\n };\n\n private handleClosePinReset = (): void => {\n this.showPinReset = false;\n };\n\n private handlePinReset = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleUnlock = (): void => {\n this.unlocked = true;\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:instructor-unlock', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleViewScores = async (): Promise => {\n // Load all students for current release before showing scores\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const { getStorageService } = await import('../../services/storage-service.js');\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showScores = true;\n };\n\n private handleCloseScores = (): void => {\n this.showScores = false;\n };\n\n private handleDataCleared = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:data-cleared', {\n bubbles: true,\n composed: true,\n }),\n );\n // Refresh students list\n this.students = [];\n };\n\n private handleLogout = (): void => {\n const session = getJSON(STORAGE_KEYS.SESSION);\n\n // Clear session from storage (this will also emit qd:logout event)\n const sessionService = new SessionService();\n sessionService.clearSession();\n\n // Dispatch event for any additional listeners\n this.dispatchEvent(\n new CustomEvent('qd:logout', {\n detail: {\n serviceId: session?.serviceId || 'unknown',\n },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleToggleStudentAnswers = async (e: Event): Promise => {\n const checkbox = e.target as HTMLInputElement;\n this.showStudentAnswers = checkbox.checked;\n\n // FR-004: Load student data in fresh session when toggle is enabled\n if (this.showStudentAnswers && this.students.length === 0) {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (session) {\n try {\n const { getStorageService } = await import('../../services/storage-service.js');\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students for toggle:', err);\n }\n }\n }\n\n // Emit event to notify table enhancers\n const eventName = this.showStudentAnswers\n ? 'qd:instructor-show-answers'\n : 'qd:instructor-hide-answers';\n\n this.dispatchEvent(\n new CustomEvent(eventName, {\n bubbles: true,\n composed: true,\n }),\n );\n\n // Persist toggle state in sessionStorage\n sessionStorage.setItem('qd/instructor/showAnswers', String(this.showStudentAnswers));\n };\n\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n override render() {\n if (!this.unlocked) {\n return html`\n \n `;\n }\n\n return html`\n
              \n
              \n Instructor Mode\n \n \n
              \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n
              \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor': QdInstructor;\n }\n}\n","/**\n * Component Injector\n * Injects UI components into the DOM during initialization\n */\n\nimport '../components/qd-login.js';\nimport '../components/qd-status.js';\nimport '../components/qd-instructor/qd-instructor.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * Default container selectors for component injection\n */\nexport const DEFAULT_CONTAINERS = {\n /** Where to inject status panel (Oxygen WebHelp default) */\n statusPanel: '.wh_top_menu_and_indexterms_link',\n} as const;\n\n/**\n * Configuration for component injection\n */\nexport interface ComponentInjectorConfig {\n /** Selector for status panel container */\n statusPanelContainer?: string;\n /** Database name for storage service */\n dbName?: string;\n}\n\n/**\n * Inject login component into status panel container\n */\nexport function injectLoginComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Login component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const login = document.createElement('qd-login');\n container.appendChild(login);\n info('Login component injected');\n return login;\n}\n\n/**\n * Inject status component into status panel container\n */\nexport function injectStatusComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Status component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const status = document.createElement('qd-status');\n container.appendChild(status);\n info('Status component injected');\n return status;\n}\n\n/**\n * Inject instructor component (shown when instructor unlocked)\n */\nexport function injectInstructorComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Instructor component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const instructor = document.createElement('qd-instructor');\n container.appendChild(instructor);\n info('Instructor component injected');\n return instructor;\n}\n\n/**\n * Inject all UI components based on configuration\n */\nexport function injectComponents(config: ComponentInjectorConfig = {}): void {\n const statusPanelContainer = config.statusPanelContainer || DEFAULT_CONTAINERS.statusPanel;\n\n // Always inject login component (handles showing/hiding based on session state)\n injectLoginComponent(statusPanelContainer);\n\n // Always inject status component (handles showing/hiding based on session state)\n injectStatusComponent(statusPanelContainer);\n\n // Always inject instructor component (hidden until unlocked)\n injectInstructorComponent(statusPanelContainer);\n}\n","/**\n * Home Page Badge Enhancer\n *\n * Applies R/A/G (Red/Amber/Green) badges to navigation links based on\n * page completion states. Updates badges in real-time when states change.\n *\n * Features:\n * - Queries links with class .quizPageBtn\n * - Reads completion state from SessionCache\n * - Applies CSS classes: qd-badge-red, qd-badge-amber, qd-badge-green\n * - Listens for qd:state-changed events for real-time updates\n * - Handles missing data gracefully\n *\n * Badge Colors:\n * - Red: Unstarted (no answers provided)\n * - Amber: Incomplete (some answered OR any incorrect)\n * - Green: Complete (all answered AND all correct)\n */\n\nimport type { PageId, SessionCache, CompletionState } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * CSS class constants for badges\n */\nconst BADGE_CLASSES = {\n red: 'qd-badge-red',\n amber: 'qd-badge-amber',\n green: 'qd-badge-green',\n} as const;\n\n/**\n * Map completion states to badge colors\n */\nconst STATE_TO_BADGE: Record = {\n unstarted: 'red',\n incomplete: 'amber',\n complete: 'green',\n};\n\n/**\n * Apply badge class to a link element\n *\n * @param link - Link element to apply badge to\n * @param state - Completion state\n */\nfunction applyBadge(link: HTMLElement, state: CompletionState): void {\n // Remove all existing badge classes\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n\n // Apply new badge class based on state\n const badgeColor = STATE_TO_BADGE[state];\n const badgeClass = BADGE_CLASSES[badgeColor];\n link.classList.add(badgeClass);\n}\n\n/**\n * Get completion state for a page from session cache\n *\n * @param pageId - Page ID to look up\n * @param cache - Session cache\n * @returns Completion state (defaults to 'unstarted' if not found)\n */\nfunction getPageState(pageId: PageId | null, cache: SessionCache | null): CompletionState {\n if (!pageId || !cache?.pages) {\n return 'unstarted';\n }\n\n const pageData = cache.pages[pageId];\n return pageData?.state ?? 'unstarted';\n}\n\n/**\n * Update badge for a single link\n *\n * @param link - Link element with data-page-id attribute\n */\nfunction updateLinkBadge(link: HTMLElement): void {\n const pageId = link.getAttribute('data-page-id');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const state = getPageState(pageId, cache);\n\n applyBadge(link, state);\n}\n\n/**\n * Update all badges from current session cache\n * If no session exists, remove all badges\n */\nfunction updateAllBadges(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n\n // If instructor mode OR no cache, remove all badge styling\n if (!cache || isInstructor) {\n links.forEach((link) => {\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n if (isInstructor) {\n info(`Removed badge styling from ${links.length} page links (instructor mode)`);\n } else {\n info(`Removed badge styling from ${links.length} page links (no session)`);\n }\n return;\n }\n\n // Cache exists and not instructor, apply badges based on state\n links.forEach((link) => {\n updateLinkBadge(link);\n });\n\n info(`Updated ${links.length} page badges`);\n}\n\n/**\n * Handle qd:state-changed event\n *\n * @param event - Custom event with pageId and state\n */\nfunction handleStateChanged(event: Event): void {\n const customEvent = event as CustomEvent<{ pageId: PageId; state: CompletionState }>;\n const { pageId } = customEvent.detail;\n\n // Find link with matching pageId\n const link = document.querySelector(`[data-page-id=\"${pageId}\"]`);\n\n if (link && link.classList.contains('quizPageBtn')) {\n updateLinkBadge(link);\n info(`Updated badge for page ${pageId}`);\n }\n}\n\n/**\n * Handle qd:cache-rebuild event - refresh all badges after cache is ready\n */\nfunction handleCacheRebuild(): void {\n info('Cache rebuilt, refreshing all badges');\n updateAllBadges();\n}\n\n/**\n * Handle qd:logout event - remove all badge styling\n */\nfunction handleLogout(): void {\n info('Logout detected, removing all badge styling');\n const links = document.querySelectorAll('.quizPageBtn');\n\n links.forEach((link) => {\n // Remove all badge classes to revert to native button styling\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n\n info(`Removed badge styling from ${links.length} page links`);\n}\n\n/**\n * Extract pageId from link href attribute\n *\n * @param link - Link element with href\n * @returns PageId extracted from href, or null if invalid\n *\n * @example\n * href=\"Pages/quiz-mcq.html\" → \"quiz-mcq\"\n * href=\"gram-1.html\" → \"gram-1\"\n */\nfunction extractPageIdFromHref(link: HTMLAnchorElement): PageId | null {\n const href = link.getAttribute('href');\n if (!href) {\n return null;\n }\n\n // Extract filename from href (last segment after /)\n const filename = href.substring(href.lastIndexOf('/') + 1);\n\n // Remove .html or .htm extension\n const pageId = filename.replace(/\\.html?$/i, '');\n\n return pageId || null;\n}\n\n/**\n * Enhance home page with R/A/G badges on navigation links\n *\n * This function:\n * 1. Queries all links with class .quizPageBtn\n * 2. Extracts pageId from href attribute and sets data-page-id\n * 3. Reads SessionCache to determine page completion states\n * 4. Applies appropriate badge CSS classes\n * 5. Sets up event listener for real-time updates\n *\n * @example\n * ```html\n * MCQ Questions\n * ```\n *\n * After enhancement:\n * - data-page-id attribute set: data-page-id=\"quiz-mcq\"\n * - Unstarted pages: class=\"quizPageBtn qd-badge-red\"\n * - Incomplete pages: class=\"quizPageBtn qd-badge-amber\"\n * - Complete pages: class=\"quizPageBtn qd-badge-green\"\n */\nexport function enhanceHomeBadges(): void {\n // Find all navigation links\n const links = document.querySelectorAll('.quizPageBtn');\n\n // Extract pageId from href and set data-page-id attribute\n links.forEach((link) => {\n const pageId = extractPageIdFromHref(link);\n if (pageId) {\n link.setAttribute('data-page-id', pageId);\n info(`Set data-page-id=\"${pageId}\" for link: ${link.textContent?.trim()}`);\n } else {\n info(`Failed to extract pageId from href: ${link.getAttribute('href')}`);\n }\n });\n\n // Apply initial badges\n updateAllBadges();\n\n // Listen for state changes and update badges in real-time\n document.addEventListener('qd:state-changed', handleStateChanged);\n\n // Listen for cache rebuild (after login) to refresh badges\n document.addEventListener('qd:cache-rebuild', handleCacheRebuild);\n\n // Listen for logout events to reset badges\n document.addEventListener('qd:logout', handleLogout);\n\n info('Home page badges enhanced with event listeners');\n}\n","/**\n * Bootstrap Module\n * Main initialization logic for the Sonar Quiz System\n */\n\nimport { info, warn } from '../utils/logger.js';\nimport { EventCoordinator } from './event-coordinator.js';\nimport { SessionCoordinator } from './session-coordinator.js';\nimport { injectComponents, type ComponentInjectorConfig } from './component-injector.js';\nimport {\n enhanceQuizTable,\n getQuizTableMetadata,\n showStudentAnswersForTable,\n hideStudentAnswersForTable,\n} from '../enhancers/quiz-table.js';\nimport { enhanceAnalysisTable } from '../enhancers/analysis-table.js';\nimport { enhanceHomeBadges } from '../enhancers/home-badges.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS, type SessionData, type SessionCache } from '../types/contracts.js';\n\n/**\n * Inject global CSS styles required by the quiz system\n * Must be called before any table enhancement\n */\nfunction injectGlobalStyles(): void {\n // Check if styles already injected\n if (document.getElementById('qd-global-styles')) {\n return;\n }\n\n const style = document.createElement('style');\n style.id = 'qd-global-styles';\n style.textContent = `\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: 1rem;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n `;\n\n document.head.appendChild(style);\n info('Global styles injected');\n}\n\n/**\n * Bootstrap configuration options\n */\nexport interface BootstrapConfig extends ComponentInjectorConfig {\n /** Auto-enhance quiz tables on init */\n autoEnhanceQuizTables?: boolean;\n /** Auto-enhance analysis tables on init */\n autoEnhanceAnalysisTables?: boolean;\n /** Auto-enhance home page badges on init */\n autoEnhanceHomeBadges?: boolean;\n}\n\n/**\n * Bootstrap state\n */\ninterface BootstrapState {\n initialized: boolean;\n eventCoordinator?: EventCoordinator;\n sessionCoordinator?: SessionCoordinator;\n}\n\nconst state: BootstrapState = {\n initialized: false,\n};\n\n/**\n * Initialize the Sonar Quiz System\n *\n * @param config - Bootstrap configuration\n */\nexport async function bootstrap(config: BootstrapConfig = {}): Promise {\n if (state.initialized) {\n warn('Bootstrap already initialized, skipping');\n return;\n }\n\n info('Bootstrapping Sonar Quiz System...');\n\n // 0. Inject required global styles\n injectGlobalStyles();\n\n // 1. Initialize storage service (IndexedDB)\n // dbName is REQUIRED - readDOMConfig() throws if missing\n if (!config.dbName) {\n const msg = 'FATAL: dbName not provided in bootstrap config. Processing stopped.';\n console.error(msg);\n throw new Error(msg);\n }\n const storageService = getStorageService(config.dbName);\n await storageService.init();\n\n // 2. Initialize event coordinator\n const eventCoordinator = new EventCoordinator();\n eventCoordinator.initialize();\n state.eventCoordinator = eventCoordinator;\n\n // 3. Initialize session coordinator\n const sessionCoordinator = new SessionCoordinator();\n sessionCoordinator.initialize();\n state.sessionCoordinator = sessionCoordinator;\n\n // 4. Inject UI components\n injectComponents({\n statusPanelContainer: config.statusPanelContainer,\n dbName: config.dbName,\n });\n\n // 5. Auto-enhance tables if enabled\n if (config.autoEnhanceQuizTables !== false) {\n enhanceAllQuizTables();\n }\n\n if (config.autoEnhanceAnalysisTables !== false) {\n enhanceAllAnalysisTables();\n }\n\n if (config.autoEnhanceHomeBadges !== false) {\n enhanceHomeBadgesIfPresent();\n }\n\n // 6. Check for existing session and upgrade tables if logged in\n await checkExistingSessionAndUpgradeTables();\n\n state.initialized = true;\n info('Bootstrap complete');\n}\n\n/**\n * Enhance all quiz tables found in the document\n * Initially enhances in non-interactive mode (hide answers for security)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllQuizTables(): void {\n const tables = document.querySelectorAll('table.qd-quiz');\n\n if (tables.length === 0) {\n info('No quiz tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} quiz table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceQuizTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance quiz table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} quiz table(s) (non-interactive)`);\n}\n\n/**\n * Enhance all analysis tables found in the document\n * Initially enhances in non-interactive mode (read-only)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllAnalysisTables(): void {\n const tables = document.querySelectorAll('table.qd-analysis');\n\n if (tables.length === 0) {\n info('No analysis tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} analysis table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceAnalysisTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance analysis table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} analysis table(s) (non-interactive)`);\n}\n\n/**\n * Enhance home page badges if .quizPageBtn links exist\n */\nfunction enhanceHomeBadgesIfPresent(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n\n if (links.length === 0) {\n info('No .quizPageBtn links found, skipping badge enhancement');\n return;\n }\n\n info(`Enhancing home page badges for ${links.length} link(s)...`);\n\n try {\n enhanceHomeBadges();\n info('Home page badges enhanced');\n } catch (err) {\n warn(`Failed to enhance home badges: ${(err as Error).message}`);\n }\n}\n\n/**\n * Check for existing session and upgrade tables to interactive mode\n * Called during bootstrap to handle page navigation with active session\n */\nasync function checkExistingSessionAndUpgradeTables(): Promise {\n // Check if session exists\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n info('No existing session, tables remain in non-interactive mode');\n return;\n }\n\n // Check if instructor mode - 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Entry Point\n *\n * Offline-first interactive quiz and analysis platform for DITA-published content.\n *\n * @packageDocumentation\n */\n\nimport { bootstrap } from './init/bootstrap.js';\nimport { info } from './utils/logger.js';\nimport { readDOMConfig } from './config/dom-config-reader.js';\n\n// Export quiz table enhancer (Phase 2.1)\nexport {\n enhanceQuizTable,\n getQuizTableMetadata,\n isQuizTableEnhanced,\n} from './enhancers/quiz-table.js';\nexport type { EnhanceQuizTableOptions } from './enhancers/quiz-table.js';\n\n// Export analysis table enhancer (Phase 2.2)\nexport {\n enhanceAnalysisTable,\n getAnalysisTableMetadata,\n isAnalysisTableEnhanced,\n} from './enhancers/analysis-table.js';\nexport type { EnhanceAnalysisTableOptions } from './enhancers/analysis-table.js';\n\n// Export types\nexport type {\n ParsedQuizTable,\n QuizQuestion,\n AnswerRecord,\n CompletionState,\n PageId,\n SessionData,\n SessionCache,\n StudentRecord,\n PageData,\n ReleaseId,\n ServiceId,\n TableId,\n CellKey,\n QuestionKind,\n} from './types/contracts.js';\n\n// Export constants\nexport { STORAGE_KEYS, SCHEMA_VERSION, SESSION_TIMEOUT_MS } from './types/contracts.js';\n\n// Export services\nexport { parseQuizTable, validateAnswer } from './services/quiz-parser.js';\nexport {\n parseAnalysisTable,\n generateTableId,\n generateCellKey,\n isCellEditable,\n} from './services/analysis-parser.js';\nexport { calculateCompletionState } from './services/state-calculator.js';\n\n// Export utilities\nexport { Debouncer } from './utils/debouncer.js';\nexport { getJSON, setJSON, clearQuizData } from './utils/storage-helpers.js';\nexport { info, warn, error } from './utils/logger.js';\n\n// Export bootstrap (Phase 3)\nexport { bootstrap, cleanup, isInitialized } from './init/bootstrap.js';\nexport type { BootstrapConfig } from './init/bootstrap.js';\n\n// Export component injector\nexport { injectComponents, DEFAULT_CONTAINERS } from './init/component-injector.js';\nexport type { ComponentInjectorConfig } from './init/component-injector.js';\n\n/**\n * Version information\n */\nexport const VERSION = '0.1.0-phase3.1';\nexport const BUILD_DATE = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : 'development';\n\n// Declare global for build date injection\ndeclare const __BUILD_DATE__: string;\n\n/**\n * Auto-initialize on DOMContentLoaded\n *\n * System always initializes when script loads. 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R${t}C${s} is no longer editable`))}),w(t,"qd-analysis-interactive"),!0}(t,o):function(t){w(t,"qd-analysis-non-interactive");const n=()=>{!async function(t){const n=ie.get(t);if(!n)return void a("Cannot show student entries: table not enhanced");const s=n.pageId||function(){const t=document.body.dataset.pageId;if(t)return t;const n=window.location.pathname,s=(n.split("/").pop()||"").replace(".html","");return s||void 0}();if(!s)return void a("Cannot show student entries: page ID not found");const o=C(u.SESSION);if(!o)return void a("Cannot show student entries: no active session");const c=V();let d;try{d=await c.getStudentsByRelease(o.release)}catch(m){return void r("Failed to load students for instructor view:",m)}const l=function(t,n){const s={};return t.forEach(t=>{const o=t.pages[n];if(!o||!o.analysis)return;const{cells:r}=o.analysis,a=o.analysis.lastEdited||t.updated;Object.entries(r).forEach(([n,o])=>{s[n]||(s[n]=[]),s[n].push({serviceId:t.serviceId,name:t.name,content:o,timestamp:a})})}),s}(d,s),{editableCells:h}=n.parsed,p=f(t);h.forEach(({row:t,col:n,key:s})=>{const o=p[t];if(!o)return;const r=b(o)[n];if(!r)return;const a=function(t){const n=document.createElement("div");if(n.className="qd-student-entries",0===t.length)return n.className+=" qd-no-entries",n.textContent="(No entries yet)",n.style.cssText="color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;",n;const s=function(t){return[...t].sort((t,n)=>{const s=new Date(t.timestamp).getTime();return new Date(n.timestamp).getTime()-s})}(t);return s.forEach(t=>{const s=document.createElement("div");s.className="qd-entry",s.style.cssText="padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;";const o=t.serviceId.slice(-4),r=g(t.timestamp),a=document.createElement("span");a.style.cssText="font-weight: 600; color: #374151;",a.textContent=`${t.name} (${o}) • ${r}: `;const c=document.createElement("span");c.style.cssText="white-space: pre-wrap;",c.textContent=t.content,s.appendChild(a),s.appendChild(c),n.appendChild(s)}),n.style.cssText="margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;",n}(l[s]||[]);a.setAttribute("data-qd-student-entries","true");const c=r.querySelector("[data-qd-student-entries]");c&&c.remove(),r.appendChild(a)}),h.length}(t)},s=()=>{ce(t)};return document.addEventListener("qd:instructor-show-answers",n),document.addEventListener("qd:instructor-hide-answers",s),!0}(t)}function ce(t){t.querySelectorAll("[data-qd-student-entries]").forEach(t=>t.remove())}class EventCoordinator{constructor(){this.listeners=new Map}initialize(){this.registerLoginHandlers(),this.registerLogoutHandlers(),this.registerAnswerHandlers(),this.registerStateHandlers(),this.registerInstructorHandlers(),this.registerDataHandlers()}registerLoginHandlers(){this.addEventListener("qd:login",t=>{(async()=>{const n=t.detail;if(n.serviceId,n.name,"INSTRUCTOR"===n.serviceId)return;const s=C(u.SESSION);if(!s)return;const o=V();let r,a;try{r=await o.loadStudentRecord(s),await o.saveStudentRecord(r),a=o.buildCache(r),$(u.CACHE,a),a.totals.total}catch{$(u.CACHE,{totals:{total:0,answered:0,correct:0},pages:{}})}this.dispatchEvent("qd:cache-rebuild",{}),this.upgradeTablesAfterLogin()})()})}upgradeTablesAfterLogin(){const t=window.location.pathname,n=t.substring(t.lastIndexOf("/")+1).replace(/\.html?$/i,"");if(!n)return;if("true"===sessionStorage.getItem(u.INSTRUCTOR)){return void document.querySelectorAll("table.qd-quiz").forEach(t=>{const s=Z(t);if(!s)return;s.pageId=n;t.querySelectorAll("td:nth-child(2), th:nth-child(2)").forEach(t=>{t.classList.remove("qd-hidden")});t.querySelectorAll("tbody td:nth-child(2)").forEach((t,n)=>{const o=s.parsed.questions[n];o&&t instanceof HTMLTableCellElement&&(t.textContent=o.correctAnswer)});t.querySelectorAll("td:nth-child(3), th:nth-child(3)").forEach(t=>t.classList.remove("qd-hidden"));const o=()=>{X(t,s)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",()=>{ee(t)});"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}const s=document.querySelectorAll("table.qd-quiz");s.length>0&&(s.length,s.forEach(t=>{W(t,{interactive:!0,pageId:n})}));const o=document.querySelectorAll("table.qd-analysis");o.length>0&&(o.length,o.forEach(t=>{ae(t,{interactive:!0,pageId:n})}))}registerLogoutHandlers(){this.addEventListener("qd:logout",t=>{t.detail.serviceId;document.querySelectorAll("table.qd-quiz").forEach(t=>{!function(t){const n=K.get(t);n&&(n.interactive=!1,n.pageId=void 0,n.inputs=void 0,n.cleanupInstructorListeners?.(),n.cleanupInstructorListeners=void 0,Y(t),G(t),S(t,"qd-quiz-interactive"))}(t)});document.querySelectorAll("table.qd-analysis").forEach(t=>{!function(t){const n=ie.get(t);n&&(ce(t),n.interactive&&(t.querySelectorAll(".qd-editable").forEach(t=>{t instanceof HTMLTableCellElement&&(t.contentEditable="false",t.classList.remove("qd-editable"),t.textContent="")}),t.classList.remove("qd-analysis-interactive"),n.debouncer?.cancelAll()),n.interactive=!1,n.pageId=void 0,n.debouncer=void 0,n.cellKeyMap=void 0)}(t)}),this.dispatchEvent("qd:cache-clear",{})})}registerAnswerHandlers(){this.addEventListener("qd:answer-saved",t=>{const n=t.detail;n.pageId,n.questionIndex,n.answer,n.success,this.dispatchEvent("qd:cache-update",{pageId:n.pageId})})}registerStateHandlers(){this.addEventListener("qd:state-changed",t=>{const n=t.detail;n.pageId,n.state,this.dispatchEvent("qd:badge-update",{pageId:n.pageId,state:n.state})})}registerInstructorHandlers(){this.addEventListener("qd:instructor-unlock",t=>{t.detail.unlockTime}),this.addEventListener("qd:instructor-lock",()=>{})}registerDataHandlers(){this.addEventListener("qd:data-cleared",t=>{t.detail.timestamp,this.dispatchEvent("qd:cache-clear",{})})}addEventListener(t,n){document.addEventListener(t,n);const s=this.listeners.get(t)||[];s.push(n),this.listeners.set(t,s)}dispatchEvent(t,n){const s=new CustomEvent(t,{detail:n,bubbles:!0,composed:!0});document.dispatchEvent(s)}cleanup(){for(const[t,n]of this.listeners)for(const s of n)document.removeEventListener(t,s);this.listeners.clear()}}class SessionCoordinator{constructor(){this.sessionService=new SessionService}initialize(){const t=this.sessionService.getSession();if(t){if(t.serviceId,this.sessionService.isExpired())return a("Session expired, clearing"),void this.sessionService.clearSession();this.scheduleExpiryCheck(t),this.setupActivityTracking()}}scheduleExpiryCheck(t){void 0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId);const n=(new Date).getTime(),s=new Date(t.expiresAt).getTime()-n;s<=0?this.sessionService.clearSession():this.expiryTimeoutId=window.setTimeout(()=>{this.sessionService.clearSession()},s)}setupActivityTracking(){const t=()=>{if(!this.sessionService.getSession())return;this.sessionService.updateActivity();const t=this.sessionService.getSession();t&&this.scheduleExpiryCheck(t)};let n;const s=()=>{void 0!==n&&window.clearTimeout(n),n=window.setTimeout(()=>{t()},5e3)};["click","keydown","scroll","mousemove"].forEach(t=>{document.addEventListener(t,s,{passive:!0})})}cleanup(){void 0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId)}getSessionService(){return this.sessionService}} +var SonarQuiz=function(t){"use strict";function s(t){if(t.length<2)return"**";if(2===t.length)return t;return t.slice(0,2)+"*".repeat(t.length-2)}function n(t){if(null===t||"object"!=typeof t)return t;const o={};for(const[r,a]of Object.entries(t))"name"!==r&&"passwordHash"!==r&&(o[r]="serviceId"!==r||"string"!=typeof a?"object"!=typeof a||null===a?a:n(a):s(a));return o}function o(t,s){}function r(t,s){if(s instanceof Error){const n={name:s.name,message:s.message};console.error(`[ERROR] ${t}`,n)}else void 0!==s?console.error(`[ERROR] ${t}`,n(s)):console.error(`[ERROR] ${t}`)}function a(t,s){void 0!==s?console.warn(`[WARN] ${t}`,n(s)):console.warn(`[WARN] ${t}`)}function c(t){const s=[],n=[];if(!t.classList.contains("qd-quiz"))return s.push('Table must have class "qd-quiz"'),{element:t,questions:n,errors:s};const o=Array.from(t.querySelectorAll("tbody tr"));return 0===o.length?(s.push("Quiz table has no data rows"),{element:t,questions:n,errors:s}):(o.forEach((t,o)=>{const r=Array.from(t.querySelectorAll("td"));if(3!==r.length)return void s.push(`Row ${o+1} has ${r.length} columns, expected 3 (Question | Answer | Detail)`);const a=r[0],c=r[1],d=r[2];if(!a||!c||!d)return;const l=a.textContent?.trim()||"";if(!l)return void s.push(`Row ${o+1} has empty question text`);const u=c.textContent?.trim()||"";if(!u)return void s.push(`Row ${o+1} has empty answer`);const h=d.querySelector("ol");if(h){const t=(p=h,Array.from(p.querySelectorAll("li")).map(t=>t.textContent?.trim()||"").filter(t=>t.length>0));if(0===t.length)return void s.push(`Row ${o+1} MCQ has no options in
                  `);n.push({text:l,kind:"mcq",correctAnswer:u,options:t})}else{const t=d.textContent?.trim()||"",r=parseFloat(t);if(isNaN(r))return void s.push(`Row ${o+1} appears to be numeric but has invalid tolerance: "${t}"`);n.push({text:l,kind:"numeric",correctAnswer:u,tolerance:r})}var p}),{element:t,questions:n,errors:s.length>0?s:void 0})}function d(t,s){if(!s||""===s.trim())return!1;const n=s.trim();if("mcq"===t.kind)return n===t.correctAnswer;{const s=parseFloat(n),o=parseFloat(t.correctAnswer);if(isNaN(s)||isNaN(o))return!1;const r=t.tolerance??0;return Math.abs(s-o)<=r}}const l=18e5,u={SESSION:"qd/session",CACHE:"qd/state",INSTRUCTOR:"qd/instructor",PIN_ATTEMPTS:"qd:pin-attempts"},h=3,p=3e4;class SessionService{createSession(t,s,n){const o=new Date,r=o.toISOString(),a={serviceId:t,name:s,release:n,loginTime:r,lastActivity:r,expiresAt:new Date(o.getTime()+l).toISOString(),instructorUnlocked:!1};return this.saveSession(a),this.emitEvent("qd:login",{serviceId:t,name:s,release:n,loginTime:r}),a}getSession(){try{const t=sessionStorage.getItem(u.SESSION);if(!t)return null;const s=JSON.parse(t);return s.serviceId&&s.release&&s.expiresAt?s:(a("Invalid session data, missing required fields"),null)}catch(t){return r("Failed to parse session data",t),null}}updateActivity(){const t=this.getSession();if(!t)return;const s=new Date;t.lastActivity=s.toISOString(),t.expiresAt=new Date(s.getTime()+l).toISOString(),this.saveSession(t)}isExpired(){const t=this.getSession();return!t||function(t,s=new Date){const n=new Date(t);return!!isNaN(n.getTime())||s>=n}(t.expiresAt)}clearSession(){const t=this.getSession();sessionStorage.removeItem(u.SESSION),sessionStorage.removeItem(u.CACHE),sessionStorage.removeItem(u.INSTRUCTOR),sessionStorage.removeItem("qd/instructor/showAnswers"),t&&(t.serviceId,this.emitEvent("qd:logout",{serviceId:t.serviceId,timestamp:(new Date).toISOString()}))}unlockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!0,t.unlockTime=(new Date).toISOString(),this.saveSession(t),this.emitEvent("qd:instructor-unlock",{timestamp:t.unlockTime}))}lockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!1,delete t.unlockTime,this.saveSession(t),this.emitEvent("qd:instructor-lock",{timestamp:(new Date).toISOString()}))}isInstructorUnlocked(){const t=this.getSession();return!0===t?.instructorUnlocked}getCache(){try{const t=sessionStorage.getItem(u.CACHE);return t?JSON.parse(t):null}catch(t){return r("Failed to parse cache data",t),null}}saveCache(t){try{sessionStorage.setItem(u.CACHE,JSON.stringify(t))}catch(s){r("Failed to save cache",s)}}clearCache(){sessionStorage.removeItem(u.CACHE)}saveSession(t){try{sessionStorage.setItem(u.SESSION,JSON.stringify(t))}catch(s){r("Failed to save session",s)}}emitEvent(t,s){try{const n=new CustomEvent(t,{detail:s,bubbles:!0});document.dispatchEvent(n)}catch(n){r(`Failed to emit event ${t}`,n)}}}function g(t,s){const n=s.answers.length,o=s.answers.filter(t=>""!==t.answer.trim()).length,r=s.answers.filter(t=>t.success).length;return{state:s.state,total:n,answered:o,correct:r,last:s.lastAttempted,answers:s.answers,analysis:s.analysis}}function m(t){return function(t,s="display"){if(null==t)return console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date";const n="string"==typeof t?new Date(t):t;return isNaN(n.getTime())?(console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date"):"csv"===s?function(t){return t.toISOString()}(n):function(t){return`${t.toLocaleDateString("en-US",{month:"short"})} ${t.getDate()} ${t.getHours().toString().padStart(2,"0")}:${t.getMinutes().toString().padStart(2,"0")}`}(n)}(t,"display")}class Debouncer{constructor(){this.timers=new Map}debounce(t,s,n=200){const o=this.timers.get(t);void 0!==o&&clearTimeout(o);const r=setTimeout(()=>{this.timers.delete(t),s()},n);this.timers.set(t,r)}cancel(t){const s=this.timers.get(t);return void 0!==s&&(clearTimeout(s),this.timers.delete(t),!0)}cancelAll(){let t=0;for(const s of this.timers.values())clearTimeout(s),t++;return this.timers.clear(),t}isPending(t){return this.timers.has(t)}getPendingCount(){return this.timers.size}}function f(t){const s=t.querySelector("tbody");return s?Array.from(s.querySelectorAll("tr")):[]}function b(t){return Array.from(t.cells)}function v(t){return t&&t.textContent?.trim()||""}function w(t,s,n){return document.createElement(t)}function y(t,...s){t.classList.add(...s)}function S(t,...s){t.classList.remove(...s)}function x(t,s,n){const o=new CustomEvent(t,{detail:s,bubbles:!0,composed:!0,cancelable:!1});return document.dispatchEvent(o)}function E(t,s,n,o){const r=new CustomEvent(s,{detail:n,bubbles:!0,composed:!0,cancelable:!1});return t.dispatchEvent(r)}function $(t){try{const s=sessionStorage.getItem(t);return s?JSON.parse(s):null}catch(s){return a(`Failed to parse JSON from sessionStorage key: ${t}`,s),null}}function C(t,s){try{const n=JSON.stringify(s);return sessionStorage.setItem(t,n),!0}catch(n){return a(`Failed to store JSON in sessionStorage key: ${t}`,n),!1}}function A(){const t=[];for(let s=0;s{let n,o=!1;const c=()=>{n&&(clearTimeout(n),n=void 0)};n=window.setTimeout(()=>{if(o)return;o=!0,this.initPromise=null,a("IndexedDB open timed out after 5000ms - attempting recovery");const n=indexedDB.deleteDatabase(this.dbName);n.onsuccess=()=>{this.init().then(t).catch(s)},n.onerror=()=>{s(new StorageError(`Database "${this.dbName}" appears corrupted. Please clear site data in browser settings.`,"init"))},n.onblocked=()=>{s(new StorageError("Cannot recover database - close all other tabs with this site and reload.","init"))}},5e3);const d=indexedDB.open(this.dbName,3);d.onerror=()=>{o||(o=!0,c(),r(`IndexedDB open error: ${d.error?.message||"unknown"}`),this.initPromise=null,s(new StorageError("Failed to open database","init",d.error)))},d.onblocked=()=>{a("IndexedDB open blocked - close other tabs with this database")},d.onsuccess=()=>{if(!o){if(o=!0,c(),this.db=d.result,!this.db.objectStoreNames.contains(T)||!this.db.objectStoreNames.contains(_)||!this.db.objectStoreNames.contains(O)){a(`Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(", ")}]`),this.db.close(),this.db=null;const n=indexedDB.deleteDatabase(this.dbName);return n.onsuccess=()=>{this.initPromise=null,this.init().then(t).catch(s)},void(n.onerror=()=>{this.initPromise=null,s(new StorageError("Failed to delete corrupted database","init",n.error))})}this.initPromise=null,t()}},d.onupgradeneeded=t=>{const s=t.target.result,n=t.target.transaction;n&&(n.onerror=()=>{r(`Upgrade transaction error: ${n.error?.message||"unknown"}`)},n.onabort=()=>{r(`Upgrade transaction aborted: ${n.error?.message||"unknown"}`)});try{if(!s.objectStoreNames.contains(T)){const t=s.createObjectStore(T,{keyPath:null});t.createIndex("by-release","release",{unique:!1}),t.createIndex("by-service-id","serviceId",{unique:!1})}if(!s.objectStoreNames.contains(_)){const t=s.createObjectStore(_,{keyPath:null});t.createIndex("by-original-key","originalKey",{unique:!1}),t.createIndex("by-timestamp","timestamp",{unique:!1})}if(!s.objectStoreNames.contains(O)){const t=s.createObjectStore(O,{keyPath:"eventId"});t.createIndex("by-service-id","serviceId",{unique:!1}),t.createIndex("by-reset-at","resetAt",{unique:!1})}}catch(o){throw r("Error during database upgrade",o),o}}}),this.initPromise)}ensureInitialized(){if(!this.db)throw new StorageNotInitializedError("ensureInitialized");return this.db}async getStudent(t,s){const n=this.ensureInitialized(),o=q(t,s);return new Promise((t,s)=>{try{const r=n.transaction(T,"readonly"),a=r.objectStore(T).get(o);a.onsuccess=()=>{t(a.result||null)},a.onerror=()=>{s(new StorageError("Failed to get student record","getStudent",a.error))}}catch(r){s(new StorageError("Failed to get student record","getStudent",r))}})}async saveStudent(t){const s=this.ensureInitialized(),n=q(t.release,t.serviceId);return new Promise((o,r)=>{try{const a=s.transaction(T,"readwrite"),c=a.objectStore(T).put(t,n);c.onsuccess=()=>{o()},c.onerror=()=>{"QuotaExceededError"===c.error?.name?r(new StorageQuotaError("saveStudent")):r(new StorageError("Failed to save student record","saveStudent",c.error))},a.onerror=()=>{r(new StorageError("Transaction failed while saving student","saveStudent",a.error))}}catch(a){r(new StorageError("Failed to save student record","saveStudent",a))}})}async getStudentsByRelease(t){const s=this.ensureInitialized();return new Promise((n,o)=>{try{const r=s.transaction(T,"readonly").objectStore(T),a=r.index("by-release").getAll(t);a.onsuccess=()=>{n(a.result||[])},a.onerror=()=>{o(new StorageError("Failed to get students by release","getStudentsByRelease",a.error))}}catch(r){o(new StorageError("Failed to get students by release","getStudentsByRelease",r))}})}async clearAll(){const t=this.ensureInitialized();return new Promise((s,n)=>{try{const o=t.transaction([T,_,O],"readwrite"),r=o.objectStore(T),a=o.objectStore(_),c=o.objectStore(O),d=r.clear(),l=a.clear(),u=c.clear();let h=!1,p=!1,g=!1;d.onsuccess=()=>{h=!0,p&&g&&s()},l.onsuccess=()=>{p=!0,h&&g&&s()},u.onsuccess=()=>{g=!0,h&&p&&s()},d.onerror=()=>{n(new StorageError("Failed to clear students","clearAll",d.error))},l.onerror=()=>{n(new StorageError("Failed to clear backups","clearAll",l.error))},u.onerror=()=>{n(new StorageError("Failed to clear audit log","clearAll",u.error))},o.onerror=()=>{n(new StorageError("Transaction failed during clearAll","clearAll",o.error))}}catch(o){n(new StorageError("Failed to clear all data","clearAll",o))}})}async backup(t){const s=this.ensureInitialized(),n=(new Date).toISOString(),o=`backup_${n}_${t.serviceId}`,r=q(t.release,t.serviceId),a={...t,originalKey:r,timestamp:n};return new Promise((t,n)=>{try{const r=s.transaction(_,"readwrite"),c=r.objectStore(_).put(a,o);c.onsuccess=()=>{t()},c.onerror=()=>{"QuotaExceededError"===c.error?.name?n(new StorageQuotaError("backup")):n(new StorageError("Failed to create backup","backup",c.error))},r.onerror=()=>{n(new StorageError("Transaction failed during backup","backup",r.error))}}catch(r){n(new StorageError("Failed to create backup","backup",r))}})}async saveAuditEvent(t){const s=this.ensureInitialized();return new Promise((n,o)=>{try{const r=s.transaction(O,"readwrite"),a=r.objectStore(O).add(t);a.onsuccess=()=>{n()},a.onerror=()=>{o(new StorageError("Failed to save audit event","saveAuditEvent",a.error))}}catch(r){o(new StorageError("Failed to save audit event","saveAuditEvent",r))}})}close(){this.db&&(this.db.close(),this.db=null,this.initPromise=null)}}let P=null,D=null;function U(t){if(!t)throw new Error("FATAL: dbName is required for getStorageAdapter()");return P&&D!==t&&(P.close(),P=null),P||(P=new IndexedDBStorageAdapter(t),D=t),P}function j(t,s){return 0===s||function(t){return 0===t.length}(t)?"unstarted":function(t,s){if(t.length!==s)return!1;return t.every(t=>!0===t.success)}(t,s)?"complete":"incomplete"}class StorageService{constructor(t){if(!t)throw new Error("FATAL: dbName is required for StorageService");this.dbName=t,this.adapter=U(t)}async init(){try{await this.adapter.init(),this.dbName}catch(t){throw r("Failed to initialize storage service",t),t}}async loadStudentRecord(t){try{const s=await this.adapter.getStudent(t.release,t.serviceId);if(s)return t.serviceId,s;const n={schema:1,docId:t.release,release:t.release,serviceId:t.serviceId,name:t.name,attempted:0,correct:0,updated:(new Date).toISOString(),pages:{}};return t.serviceId,n}catch(s){a(`IndexedDB error, creating new record: ${s.message}`);return{schema:1,docId:t.release,release:t.release,serviceId:t.serviceId,name:t.name,attempted:0,correct:0,updated:(new Date).toISOString(),pages:{}}}}async saveStudentRecord(t){try{t.updated=(new Date).toISOString();const s=function(t){let s=0,n=0;for(const o in t){const r=t[o];if(r&&r.answers&&Array.isArray(r.answers)){const t=r.answers.filter(t=>""!==t.answer.trim());s+=t.length,n+=t.filter(t=>t.success).length}}return{attempted:s,correct:n}}(t.pages);t.attempted=s.attempted,t.correct=s.correct,await this.adapter.saveStudent(t),t.serviceId}catch(s){throw r("Failed to save student record",s),s}}updateRecordWithAnswer(t,s,n,o,r){const a=t.pages[s]||{answers:[],state:"unstarted"};for(;a.answers.length<=n;)a.answers.push({answer:"",success:!1,timestamp:(new Date).toISOString()});a.answers[n]=o;const c=(new Date).toISOString();return a.firstAttempted||(a.firstAttempted=c),a.lastAttempted=c,a.state=j(a.answers,r),{...t,pages:{...t.pages,[s]:a}}}buildCache(t){return function(t){const s={totals:{total:0,answered:0,correct:0},pages:{}};for(const[n,o]of Object.entries(t.pages)){const t=g(0,o);s.pages[n]=t,s.totals.total+=t.total,s.totals.answered+=t.answered,s.totals.correct+=t.correct}return s}(t)}async getStudentsByRelease(t){try{return await this.adapter.getStudentsByRelease(t)}catch(s){throw r("Failed to get students by release",s),s}}async clearAll(){try{await this.adapter.clearAll()}catch(t){throw r("Failed to clear all data",t),t}}async backup(t){try{await this.adapter.backup(t),t.serviceId}catch(s){a(`Failed to create backup for ${t.serviceId}`,s)}}}let B=null,F=null;function V(t){if(B&&!t)return B;if(B&&t&&F!==t)return a(`Storage service already initialized with dbName="${F}", ignoring new dbName="${t}"`),B;if(!B){if(!t)throw new Error("FATAL: dbName is required for first getStorageService() call");B=new StorageService(t),F=t}return B}const Q=new WeakMap;function K(t,s){const n=Q.get(t);let o;if(n){if(n.interactive||!s.interactive)return!0;o=n.parsed}else o=c(t),o.errors&&o.errors.length>0&&r("Quiz table has validation errors:",o.errors);const 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/** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause */ -const dt=t=>(n,s)=>{void 0!==s?s.addInitializer(()=>{customElements.define(t,n)}):customElements.define(t,n)},lt={attribute:!0,type:String,converter:Ie,reflect:!1,hasChanged:Ae},ut=(t=lt,n,s)=>{const{kind:o,metadata:r}=s;let a=globalThis.litPropertyMetadata.get(r);if(void 0===a&&globalThis.litPropertyMetadata.set(r,a=new Map),"setter"===o&&((t=Object.create(t)).wrapped=!0),a.set(s.name,t),"accessor"===o){const{name:o}=s;return{set(s){const r=n.get.call(this);n.set.call(this,s),this.requestUpdate(o,r,t)},init(n){return void 0!==n&&this.C(o,void 0,t,n),n}}}if("setter"===o){const{name:o}=s;return function(s){const r=this[o];n.call(this,s),this.requestUpdate(o,r,t)}}throw Error("Unsupported decorator location: "+o)}; +const ce=t=>(s,n)=>{void 0!==n?n.addInitializer(()=>{customElements.define(t,s)}):customElements.define(t,s)},de={attribute:!0,type:String,converter:Ct,reflect:!1,hasChanged:At},le=(t=de,s,n)=>{const{kind:o,metadata:r}=n;let a=globalThis.litPropertyMetadata.get(r);if(void 0===a&&globalThis.litPropertyMetadata.set(r,a=new Map),"setter"===o&&((t=Object.create(t)).wrapped=!0),a.set(n.name,t),"accessor"===o){const{name:o}=n;return{set(n){const r=s.get.call(this);s.set.call(this,n),this.requestUpdate(o,r,t)},init(s){return void 0!==s&&this.C(o,void 0,t,s),s}}}if("setter"===o){const{name:o}=n;return function(n){const r=this[o];s.call(this,n),this.requestUpdate(o,r,t)}}throw Error("Unsupported decorator location: "+o)}; /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause - */function ht(t){return(n,s)=>"object"==typeof s?ut(t,n,s):((t,n,s)=>{const o=n.hasOwnProperty(s);return n.constructor.createProperty(s,t),o?Object.getOwnPropertyDescriptor(n,s):void 0})(t,n,s)} + */function ue(t){return(s,n)=>"object"==typeof n?le(t,s,n):((t,s,n)=>{const o=s.hasOwnProperty(n);return s.constructor.createProperty(n,t),o?Object.getOwnPropertyDescriptor(s,n):void 0})(t,s,n)} /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause - */function pt(t){return ht({...t,state:!0,attribute:!1})} + */function he(t){return ue({...t,state:!0,attribute:!1})} /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause - */const mt=".wh_top_menu_and_indexterms_link",gt=".wh_publication_title .title",ft="",bt="qd-status-container",vt="qd-title-selector",yt="qd-instructor-hash",wt="qd-db-name";function St(t,n){const s=document.querySelector(`#${t}`);if(!s)return n;const o=s.textContent?.trim()||"";return""===o?(a(`Config element #${t} found but empty, using default: "${n}"`),n):o}function xt(){const t=function(t){const n=document.querySelector(`#${t}`);if(!n){const n=`FATAL: Required config element #${t} not found in DOM. 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position: relative; @@ -119,12 +119,141 @@ const dt=t=>(n,s)=>{void 0!==s?s.addInitializer(()=>{customElements.define(t,n)} display: block; line-height: 1.4; } - `,kt=((t,n,s,o)=>{for(var r,a=o>1?void 0:o?At(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=r(a)||a);return a})([dt("qd-build-info")],kt);var Tt=Object.defineProperty,Pt=Object.getOwnPropertyDescriptor,Ot=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Pt(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Tt(n,s,a),a};let _t=null;let Nt=class extends at{constructor(){super(...arguments),this.open=!1,this.closable=!0,this.previouslyFocused=null,this.portalElement=null,this.cloneMap=new 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n=t.cloneNode(!0);this.cloneMap.set(t,n),s.appendChild(n)}}),t.appendChild(n),t.appendChild(s),this.portalElement.appendChild(t),document.body.appendChild(this.portalElement),this.setupFormEventForwarding(s)}setupFormEventForwarding(t){t.querySelectorAll("form").forEach(t=>{t.addEventListener("submit",n=>{n.preventDefault();const s=new FormData(t),o={};s.forEach((t,n)=>{"string"==typeof t&&(o[n]=t)});const r=t.querySelector('input[type="password"]');r&&(o.password=r.value);const a=new CustomEvent("qd:password-submit",{detail:o,bubbles:!0,composed:!0});this.dispatchEvent(a)})})}removePortal(){this.portalElement&&(this.portalElement.remove(),this.portalElement=null)}render(){return Ze}show(){this.open=!0}close(){this.open=!1}refreshPortal(){this.open&&this.portalElement&&this.createPortal()}handleOpen(){_t&&_t!==this&&_t.close(),_t=this,this.previouslyFocused=document.activeElement,this.createPortal(),requestAnimationFrame(()=>{this.focusFirstElement()})}handleClose(){_t===this&&(_t=null),this.removePortal(),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}focusFirstElement(){if(!this.portalElement)return;const t=this.portalElement.querySelector('button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])');t&&t.focus()}emitCloseEvent(){const t=new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0});this.dispatchEvent(t)}};Nt.styleElement=null,Ot([ht({type:Boolean,reflect:!0})],Nt.prototype,"open",2),Ot([ht({type:Boolean})],Nt.prototype,"closable",2),Nt=Ot([dt("qd-modal")],Nt);var Lt=Object.defineProperty,Dt=Object.getOwnPropertyDescriptor,zt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Dt(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Lt(n,s,a),a};let Rt=class extends at{constructor(){super(...arguments),this.open=!1,this.title="Enter Password",this.error="",this.password="",this.handleModalClose=()=>{this.close()},this.handleInput=t=>{const n=t.target;this.password=n.value,this.error&&(this.error="")},this.handleSubmit=t=>{t.preventDefault(),this.password.trim()&&this.dispatchEvent(new CustomEvent("qd:password-submit",{detail:{password:this.password},bubbles:!0,composed:!0}))},this.handleForwardedSubmit=t=>{t.stopPropagation();const n=t.detail?.password||"";n.trim()&&this.dispatchEvent(new CustomEvent("qd:password-submit",{detail:{password:n},bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close()}}show(){this.open=!0,this.password="",this.error=""}close(){this.open=!1,this.password="",this.error="",this.dispatchEvent(new CustomEvent("close",{bubbles:!0,composed:!0}))}syncErrorToPortal(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector("form.password-form");if(!n)return;let s=n.querySelector(".error-message");if(this.error){if(!s){s=document.createElement("div"),s.className="error-message",s.style.cssText="\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n ";const t=n.querySelector(".button-row");t?n.insertBefore(s,t):n.appendChild(s)}s.textContent=this.error}else s?.remove()}updated(t){t.has("open")&&this.open&&(this.password="",this.updateComplete.then(()=>{this.passwordInput?.focus()})),t.has("error")&&this.open&&this.updateComplete.then(()=>{setTimeout(()=>{this.syncErrorToPortal()},0)})}render(){return this.open?Ye` - + `,qe=((t,s,n,o)=>{for(var r,a=o>1?void 0:o?Ae(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=r(a)||a);return a})([ce("qd-build-info")],qe);var ke=Object.defineProperty,Te=Object.getOwnPropertyDescriptor,_e=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Te(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ke(s,n,a),a};let Oe=null,Pe=class extends ie{constructor(){super(...arguments),this.open=!1,this.closable=!0,this.previouslyFocused=null,this.handleKeyDown=t=>{"Escape"===t.key&&this.open&&this.closable&&(this.emitCloseEvent(),this.close())},this.handleBackdropClick=()=>{this.closable&&(this.emitCloseEvent(),this.close())},this.handleCloseClick=()=>{this.emitCloseEvent(),this.close()},this.stopPropagation=t=>{t.stopPropagation()}}connectedCallback(){super.connectedCallback(),document.addEventListener("keydown",this.handleKeyDown)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("keydown",this.handleKeyDown),Oe===this&&(Oe=null)}updated(t){t.has("open")&&(this.open?this.handleOpen():this.handleClose())}render(){return Jt` +
                  + +
                  + `}show(){this.open=!0}close(){this.open=!1}handleOpen(){Oe&&Oe!==this&&Oe.close(),Oe=this,this.previouslyFocused=document.activeElement,requestAnimationFrame(()=>{this.focusFirstElement()})}handleClose(){Oe===this&&(Oe=null),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}focusFirstElement(){const t=this.shadowRoot?.querySelector(".content");if(!t)return;const s=this.shadowRoot?.querySelector("slot:not([name])");if(s){const t=s.assignedElements({flatten:!0});for(const s of t){const t=s.querySelector('button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])');if(t)return void t.focus();if(s instanceof HTMLElement&&s.matches('button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'))return void s.focus()}}}emitCloseEvent(){const t=new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0});this.dispatchEvent(t)}};Pe.styles=pt` + :host { + display: contents; + } + + .backdrop { + display: none; + position: fixed; + top: 0; + left: 0; + right: 0; + bottom: 0; + background: rgba(0, 0, 0, 0.5); + align-items: center; + justify-content: center; + z-index: 99999; + font-family: system-ui, -apple-system, sans-serif; + animation: qd-modal-fadeIn 0.15s ease-out; + } + + :host([open]) .backdrop { + display: flex; + } + + @keyframes qd-modal-fadeIn { + from { + opacity: 0; + } + to { + opacity: 1; + } + } + + .content { + background: white; + border-radius: 8px; + box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); + max-width: 90vw; + max-height: 90vh; + overflow: auto; + animation: qd-modal-slideIn 0.15s ease-out; + } + + @keyframes qd-modal-slideIn { + from { + transform: translateY(-20px); + opacity: 0; + } + to { + transform: translateY(0); + opacity: 1; + } + } + + .header { + display: flex; + align-items: center; + justify-content: space-between; + padding: 16px 20px; + border-bottom: 1px solid #eee; + font-weight: 600; + font-size: 18px; + } + + .header ::slotted(*) { + margin: 0; + } + + /* Hide header when slot is empty and no close button needed */ + .header:not(:has(::slotted(*))) .header-title { + display: none; + } + + .close-button { + background: none; + border: none; + cursor: pointer; + padding: 4px 8px; + font-size: 20px; + color: #666; + line-height: 1; + border-radius: 4px; + transition: background-color 0.2s, color 0.2s; + margin-left: auto; + } + + .close-button:hover { + background: #f0f0f0; + color: #333; + } + + .close-button:focus { + outline: 2px solid #0066cc; + outline-offset: 2px; + } + + .body { + padding: 20px; + } + + .error-message { + color: #d32f2f; + font-size: 12px; + padding: 8px; + background: #ffebee; + border-radius: 4px; + border-left: 3px solid #d32f2f; + } + `,_e([ue({type:Boolean,reflect:!0})],Pe.prototype,"open",2),_e([ue({type:Boolean})],Pe.prototype,"closable",2),Pe=_e([ce("qd-modal")],Pe);var Ne=Object.defineProperty,Le=Object.getOwnPropertyDescriptor,De=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Le(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ne(s,n,a),a};let Re=class extends ie{constructor(){super(...arguments),this.open=!1,this.title="Enter Password",this.error="",this.password="",this.handleModalClose=()=>{this.close()},this.handleInput=t=>{const s=t.target;this.password=s.value,this.error&&(this.error="")},this.handleSubmit=t=>{t.preventDefault(),this.password.trim()&&this.dispatchEvent(new CustomEvent("qd:password-submit",{detail:{password:this.password},bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close()}}show(){this.open=!0,this.password="",this.error=""}close(){this.open=!1,this.password="",this.error="",this.dispatchEvent(new CustomEvent("close",{bubbles:!0,composed:!0}))}updated(t){t.has("open")&&this.open&&(this.password="",this.updateComplete.then(()=>{this.passwordInput?.focus()}))}render(){return this.open?Jt` + ${this.title}
                  @@ -141,7 +270,7 @@ const dt=t=>(n,s)=>{void 0!==s?s.addInitializer(()=>{customElements.define(t,n)} /> - ${this.error?Ye`
                  ${this.error}
                  `:""} + ${this.error?Jt`
                  ${this.error}
                  `:""}
                  @@ -149,13 +278,13 @@ const dt=t=>(n,s)=>{void 0!==s?s.addInitializer(()=>{customElements.define(t,n)}
                  - `:Ze}}; + `:Gt}}; /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause */ -var Mt;Rt.styles=me` +var ze;Re.styles=pt` :host { display: contents; } @@ -237,23 +366,23 @@ var Mt;Rt.styles=me` button[type='button']:hover { background: #d0d0d0; } - `,zt([ht({type:Boolean,reflect:!0})],Rt.prototype,"open",2),zt([ht({type:String})],Rt.prototype,"title",2),zt([ht({type:String})],Rt.prototype,"error",2),zt([pt()],Rt.prototype,"password",2),zt([(Mt='input[type="password"]',(t,n,s)=>((t,n,s)=>(s.configurable=!0,s.enumerable=!0,Reflect.decorate&&"object"!=typeof n&&Object.defineProperty(t,n,s),s))(t,n,{get(){return(t=>t.renderRoot?.querySelector(Mt)??null)(this)}}))],Rt.prototype,"passwordInput",2),Rt=zt([dt("qd-password-modal")],Rt); + `,De([ue({type:Boolean,reflect:!0})],Re.prototype,"open",2),De([ue({type:String})],Re.prototype,"title",2),De([ue({type:String})],Re.prototype,"error",2),De([he()],Re.prototype,"password",2),De([(ze='input[type="password"]',(t,s,n)=>((t,s,n)=>(n.configurable=!0,n.enumerable=!0,Reflect.decorate&&"object"!=typeof s&&Object.defineProperty(t,s,n),n))(t,s,{get(){return(t=>t.renderRoot?.querySelector(ze)??null)(this)}}))],Re.prototype,"passwordInput",2),Re=De([ce("qd-password-modal")],Re); /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause */ -const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){this._$Ct=t,this._$AM=n,this._$Ci=s}_$AS(t,n){return this.update(t,n)}update(t,n){return this.render(...n)}} +const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){this._$Ct=t,this._$AM=s,this._$Ci=n}_$AS(t,s){return this.update(t,s)}update(t,s){return this.render(...s)}} /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause - */class e extends i{constructor(t){if(super(t),this.it=Ze,t.type!==Ht)throw Error(this.constructor.directiveName+"() can only be used in child bindings")}render(t){if(t===Ze||null==t)return this._t=void 0,this.it=t;if(t===Ge)return t;if("string"!=typeof t)throw Error(this.constructor.directiveName+"() called with a non-string value");if(t===this.it)return this._t;this.it=t;const n=[t];return n.raw=n,this._t={_$litType$:this.constructor.resultType,strings:n,values:[]}}}e.directiveName="unsafeHTML",e.resultType=1;const Ut=(t=>(...n)=>({_$litDirective$:t,values:n}))(e);var jt=Object.defineProperty,Ft=Object.getOwnPropertyDescriptor,Bt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Ft(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&jt(n,s,a),a};let Vt=class extends at{constructor(){super(...arguments),this.open=!1,this.title="Confirm",this.message="",this.confirmText="Confirm",this.cancelText="Cancel",this.destructive=!1,this.handleModalClose=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))},this.handleConfirm=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:confirm",{bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))}}show(){this.open=!0}close(){this.open=!1}render(){return Ye` + */class e extends i{constructor(t){if(super(t),this.it=Gt,t.type!==Me)throw Error(this.constructor.directiveName+"() can only be used in child bindings")}render(t){if(t===Gt||null==t)return this._t=void 0,this.it=t;if(t===Yt)return t;if("string"!=typeof t)throw Error(this.constructor.directiveName+"() called with a non-string value");if(t===this.it)return this._t;this.it=t;const s=[t];return s.raw=s,this._t={_$litType$:this.constructor.resultType,strings:s,values:[]}}}e.directiveName="unsafeHTML",e.resultType=1;const He=(t=>(...s)=>({_$litDirective$:t,values:s}))(e);var Ue=Object.defineProperty,je=Object.getOwnPropertyDescriptor,Be=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?je(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ue(s,n,a),a};let Fe=class extends ie{constructor(){super(...arguments),this.open=!1,this.title="Confirm",this.message="",this.confirmText="Confirm",this.cancelText="Cancel",this.destructive=!1,this.handleModalClose=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))},this.handleConfirm=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:confirm",{bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))}}show(){this.open=!0}close(){this.open=!1}render(){return Jt` ${this.title}
                  -
                  ${Ut(this.message)}
                  +
                  ${He(this.message)}
                   - `}};Vt.styles=me` + `}};Fe.styles=pt` :host { display: contents; } @@ -326,60 +455,9 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ .confirm-btn.destructive:hover { background: #b71c1c; } - `,Bt([ht({type:Boolean,reflect:!0})],Vt.prototype,"open",2),Bt([ht({type:String})],Vt.prototype,"title",2),Bt([ht({type:String})],Vt.prototype,"message",2),Bt([ht({type:String})],Vt.prototype,"confirmText",2),Bt([ht({type:String})],Vt.prototype,"cancelText",2),Bt([ht({type:Boolean})],Vt.prototype,"destructive",2),Vt=Bt([dt("qd-confirm-dialog")],Vt);var Qt=Object.defineProperty,Kt=Object.getOwnPropertyDescriptor,Wt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Kt(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Qt(n,s,a),a};let Jt=class extends at{constructor(){super(...arguments),this.panelType="login",this.handleClick=()=>{this.dispatchEvent(new CustomEvent("qd:help-open",{detail:{panelType:this.panelType},bubbles:!0,composed:!0}))}}render(){return Ye` - - `}};Jt.styles=me` - :host { - display: inline-block; - } - - .help-icon { - display: inline-flex; - align-items: center; - justify-content: center; - width: 20px; - height: 20px; - border-radius: 50%; - background: #0066cc; - color: white; - font-size: 12px; - font-weight: bold; - font-family: system-ui, -apple-system, sans-serif; - cursor: pointer; - border: none; - padding: 0; - transition: background 0.15s ease; - } - - .help-icon:hover { - background: #0052a3; - } - - .help-icon:focus { - outline: 2px solid #0066cc; - outline-offset: 2px; - } - - .help-icon:active { - background: #004080; - } - `,Wt([ht({type:String})],Jt.prototype,"panelType",2),Jt=Wt([dt("qd-help-trigger")],Jt);var Yt=Object.defineProperty,Gt=Object.getOwnPropertyDescriptor,Zt=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Gt(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Yt(n,s,a),a};let Xt=class extends at{constructor(){super(...arguments),this.portalElement=null,this.previouslyFocused=null,this.open=!1,this.title="Help",this.content="",this._isOpen=!1,this.handleKeyDown=t=>{"Escape"===t.key&&this._isOpen&&this.close()},this.handleBackdropClick=()=>{this.close()},this.handleCloseClick=()=>{this.close()},this.stopPropagation=t=>{t.stopPropagation()}}connectedCallback(){super.connectedCallback(),document.addEventListener("keydown",this.handleKeyDown),this.ensureStyles()}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("keydown",this.handleKeyDown),this.removePortal()}updated(t){t.has("open")&&(this.open&&!this._isOpen?this.handleOpen():!this.open&&this._isOpen&&this.handleClose())}ensureStyles(){Xt.styleElement||(Xt.styleElement=document.createElement("style"),Xt.styleElement.textContent="\n.qd-help-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:99999;font-family:system-ui,-apple-system,sans-serif}\n.qd-help-content{background:#fff;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.3);max-width:450px;max-height:80vh;overflow:auto}\n.qd-help-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #eee}\n.qd-help-title{font-weight:600;font-size:18px;color:#333;margin:0}\n.qd-help-close{background:none;border:none;font-size:24px;color:#666;cursor:pointer;padding:0;line-height:1;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:4px}\n.qd-help-close:hover{background:#f0f0f0;color:#333}\n.qd-help-close:focus{outline:2px solid #0066cc;outline-offset:2px}\n.qd-help-body{padding:20px;line-height:1.6;color:#444}\n.qd-help-body h3{margin-top:0;margin-bottom:12px;color:#333;font-size:16px}\n.qd-help-body p{margin:0 0 12px 0}\n.qd-help-body p:last-child{margin-bottom:0}\n.qd-help-body strong{color:#333}",document.head.appendChild(Xt.styleElement))}createPortal(){this.removePortal(),this.portalElement=document.createElement("div"),this.portalElement.className="qd-help-backdrop",this.portalElement.addEventListener("click",this.handleBackdropClick);const t=document.createElement("div");t.className="qd-help-content",t.setAttribute("role","dialog"),t.setAttribute("aria-modal","true"),t.setAttribute("aria-labelledby","qd-help-title"),t.addEventListener("click",this.stopPropagation);const n=document.createElement("div");n.className="qd-help-header";const s=document.createElement("h2");s.className="qd-help-title",s.id="qd-help-title",s.textContent=this.title;const o=document.createElement("button");o.className="qd-help-close",o.setAttribute("aria-label","Close"),o.innerHTML="×",o.addEventListener("click",this.handleCloseClick),n.appendChild(s),n.appendChild(o);const r=document.createElement("div");r.className="qd-help-body",r.innerHTML=this.content,t.appendChild(n),t.appendChild(r),this.portalElement.appendChild(t),document.body.appendChild(this.portalElement),requestAnimationFrame(()=>{o.focus()})}removePortal(){this.portalElement&&(this.portalElement.remove(),this.portalElement=null)}handleOpen(){this._isOpen=!0,this.previouslyFocused=document.activeElement,this.createPortal()}handleClose(){this._isOpen=!1,this.removePortal(),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}close(){this.open=!1,this.dispatchEvent(new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0}))}render(){return Ze}};Xt.styleElement=null,Zt([ht({type:Boolean,reflect:!0})],Xt.prototype,"open",2),Zt([ht({type:String})],Xt.prototype,"title",2),Zt([ht({type:String})],Xt.prototype,"content",2),Zt([pt()],Xt.prototype,"_isOpen",2),Xt=Zt([dt("qd-help-popup")],Xt);const en={login:{title:"Login Help",body:'

                  Enter Name and Service ID to log in. Provide a new PIN if this is your first visit to this release of this document, otherwise use the PIN you previously created. Your instructor is able to reset PINs. See the Feedback page for more support.

                  Instructors: click "Instructor" for instructor login page (password accompanies distribution).

                  '},status:{title:"Student View",body:'

                  Page color coding:

                  • Green=All correct
                  • Amber=Some answered
                  • Red=None yet

                  You can view your overall progress at attempted questions in the Test Progress panel.

                  '},instructor:{title:"Instructor Tools",body:"

                  • Show current answers: Toggle for display of student answers for the current page.
                  • View All Scores: View table scores for all students.
                  • Reset PIN: Reset student PINs.
                  • Export CSV: CSV download of all scores/answers.
                  • Erase All Data: Clear all stored student data.

                  "}};function tn(t){return en[t]}var nn=Object.defineProperty,sn=Object.getOwnPropertyDescriptor,on=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?sn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&nn(n,s,a),a};let rn=class extends at{constructor(){super(...arguments),this.title="Sonar Quiz System",this.name="",this.serviceId="",this.showInstructorModal=!1,this.instructorError="",this.errorMessage="",this.isSubmitting=!1,this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval=null,this.handleLogoutEvent=()=>{this.name="",this.serviceId="",this.errorMessage="",this.isSubmitting=!1,this.showInstructorModal=!1,this.instructorError="",this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null),this.updateVisibility()},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1},this.handleInstructorPasswordSubmit=t=>{this.handleInstructorLogin(t.detail.password)},this.handleInstructorModalClose=()=>{this.showInstructorModal=!1,this.instructorError=""},this.handlePinConfirmationDismiss=()=>{this.showPinConfirmation=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility(),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:logout",this.handleLogoutEvent),this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null)}firstUpdated(){this.setAttribute("data-ready","")}updateVisibility(){C(u.SESSION)?this.removeAttribute("data-show"):this.setAttribute("data-show","")}render(){return Ye` + `,Be([ue({type:Boolean,reflect:!0})],Fe.prototype,"open",2),Be([ue({type:String})],Fe.prototype,"title",2),Be([ue({type:String})],Fe.prototype,"message",2),Be([ue({type:String})],Fe.prototype,"confirmText",2),Be([ue({type:String})],Fe.prototype,"cancelText",2),Be([ue({type:Boolean})],Fe.prototype,"destructive",2),Fe=Be([ce("qd-confirm-dialog")],Fe);var Ve=Object.defineProperty,Qe=Object.getOwnPropertyDescriptor,Ke=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Qe(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ve(s,n,a),a};let We=class extends ie{constructor(){super(...arguments),this.title="Sonar Quiz System",this.name="",this.serviceId="",this.showInstructorModal=!1,this.instructorError="",this.errorMessage="",this.isSubmitting=!1,this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.lockoutInterval=null,this.handleLogoutEvent=()=>{this.name="",this.serviceId="",this.errorMessage="",this.isSubmitting=!1,this.showInstructorModal=!1,this.instructorError="",this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null),this.updateVisibility()},this.handleInstructorPasswordSubmit=t=>{this.handleInstructorLogin(t.detail.password)},this.handleInstructorModalClose=()=>{this.showInstructorModal=!1,this.instructorError=""},this.handlePinConfirmationDismiss=()=>{this.showPinConfirmation=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility(),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:logout",this.handleLogoutEvent),this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null)}firstUpdated(){this.setAttribute("data-ready","")}updateVisibility(){$(u.SESSION)?this.removeAttribute("data-show"):this.setAttribute("data-show","")}render(){return Jt` - - `}loadCache(){const t=C(u.SESSION);t?(this.name=t.name||"",this.serviceId=t.serviceId||""):(this.name="",this.serviceId="");const n=C(u.CACHE);if(!n)return this.total=0,this.correct=0,this.percentage=0,void(this.statusColor="red");this.total=n.totals.total,this.correct=n.totals.correct,this.percentage=this.calculatePercentage(n.totals.total,n.totals.correct),this.statusColor=this.calculateStatusColor(n.totals.total,n.totals.correct)}calculatePercentage(t,n){return 0===t?0:Math.round(n/t*100)}calculateStatusColor(t,n){return function(t,n){return 0===t||0===n?"red":n===t?"green":"amber"}(t,n)}updateVisibility(){const t=C(u.SESSION),n="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&!n?this.setAttribute("data-show",""):this.removeAttribute("data-show")}handleLogout(){const t=C(u.SESSION);(new SessionService).clearSession();const n=new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0});this.dispatchEvent(n)}};ln.styles=me` + `}loadCache(){const t=$(u.SESSION);t?(this.name=t.name||"",this.serviceId=t.serviceId||""):(this.name="",this.serviceId="");const s=$(u.CACHE);if(!s)return this.total=0,this.correct=0,this.percentage=0,void(this.statusColor="red");this.total=s.totals.total,this.correct=s.totals.correct,this.percentage=this.calculatePercentage(s.totals.total,s.totals.correct),this.statusColor=this.calculateStatusColor(s.totals.total,s.totals.correct)}calculatePercentage(t,s){return 0===t?0:Math.round(s/t*100)}calculateStatusColor(t,s){return function(t,s){return 0===t||0===s?"red":s===t?"green":"amber"}(t,s)}updateVisibility(){const t=$(u.SESSION),s="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&!s?this.setAttribute("data-show",""):this.removeAttribute("data-show")}handleLogout(){const t=$(u.SESSION);(new SessionService).clearSession();const s=new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0});this.dispatchEvent(s)}};Ze.styles=pt` :host { display: none; /* Hidden by default, shown when logged in */ font-family: @@ -717,7 +781,7 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ .logout-button:hover { background: #b71c1c; } - `,dn([pt()],ln.prototype,"total",2),dn([pt()],ln.prototype,"correct",2),dn([pt()],ln.prototype,"percentage",2),dn([pt()],ln.prototype,"statusColor",2),dn([pt()],ln.prototype,"name",2),dn([pt()],ln.prototype,"serviceId",2),dn([pt()],ln.prototype,"helpOpen",2),ln=dn([dt("qd-status")],ln);const un=me` + `,Ge([he()],Ze.prototype,"total",2),Ge([he()],Ze.prototype,"correct",2),Ge([he()],Ze.prototype,"percentage",2),Ge([he()],Ze.prototype,"statusColor",2),Ge([he()],Ze.prototype,"name",2),Ge([he()],Ze.prototype,"serviceId",2),Ze=Ge([ce("qd-status")],Ze);const Xe=pt` :host { display: inline-block; font-family: @@ -959,7 +1023,7 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ .close-button:hover { color: #000; } -`;class RateLimiter{constructor(){this.failureCount=0,this.lockoutUntil=null}attempt(){return!(this.lockoutUntil&&Date.now()=this.lockoutUntil&&(this.lockoutUntil=null),!0)}recordFailure(){this.failureCount++;const t=[2e3,4e3,8e3,16e3,3e4],n=t[Math.min(this.failureCount-1,t.length-1)]??3e4;this.lockoutUntil=Date.now()+n}reset(){this.failureCount=0,this.lockoutUntil=null}getRemainingSeconds(){if(!this.lockoutUntil)return 0;const t=Math.max(0,this.lockoutUntil-Date.now());return Math.ceil(t/1e3)}isLockedOut(){return null!==this.lockoutUntil&&Date.now(){for(var r,a=o>1?void 0:o?mn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&pn(n,s,a),a};let fn=class extends at{constructor(){super(...arguments),this.password="",this.error="",this.remainingSeconds=0,this.rateLimiter=new RateLimiter,this.handlePasswordInput=t=>{const n=t.target;this.password=n.value,this.error=""},this.handleSubmit=async t=>{t.preventDefault();if(!this.rateLimiter.attempt())return this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),this.startCountdown(),void(this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`);try{const t=function(){const t=document.getElementById(hn);if(!t){const t=`Instructor password hash not found. Expected element with id="${hn}". Check Oxygen XSL transform configuration.`;throw r(t),new Error(t)}const n=t.textContent?.trim();if(!n){const t="Instructor password hash element is empty. Check Oxygen parameter configuration.";throw r(t),new Error(t)}if(!/^[a-f0-9]{64}$/i.test(n)){const t=`Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${n.substring(0,20)}...`;throw r(t),new Error(t)}return n.toLowerCase()}(),n=(new TextEncoder).encode(this.password),s=await crypto.subtle.digest("SHA-256",n),o=Array.from(new Uint8Array(s)).map(t=>t.toString(16).padStart(2,"0")).join(""),a=await async function(t,n){if(t.length!==n.length)return!1;if(0===t.length)return!0;const s=new TextEncoder,o=s.encode(t),r=s.encode(n);try{const t=await crypto.subtle.importKey("raw",o,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),n=await crypto.subtle.sign("HMAC",t,r),s=await crypto.subtle.importKey("raw",r,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),a=await crypto.subtle.sign("HMAC",s,o);if(n.byteLength!==a.byteLength)return!1;const c=new Uint8Array(n),d=new Uint8Array(a);let l=0;for(let o=0;o{this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),0===this.remainingSeconds?(this.countdownInterval&&(window.clearInterval(this.countdownInterval),this.countdownInterval=void 0),this.error=""):this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`},1e3)}render(){const t=this.remainingSeconds>0;return Ye` +`;class RateLimiter{constructor(){this.failureCount=0,this.lockoutUntil=null}attempt(){return!(this.lockoutUntil&&Date.now()=this.lockoutUntil&&(this.lockoutUntil=null),!0)}recordFailure(){this.failureCount++;const t=[2e3,4e3,8e3,16e3,3e4],s=t[Math.min(this.failureCount-1,t.length-1)]??3e4;this.lockoutUntil=Date.now()+s}reset(){this.failureCount=0,this.lockoutUntil=null}getRemainingSeconds(){if(!this.lockoutUntil)return 0;const t=Math.max(0,this.lockoutUntil-Date.now());return Math.ceil(t/1e3)}isLockedOut(){return null!==this.lockoutUntil&&Date.now(){for(var r,a=o>1?void 0:o?ss(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&es(s,n,a),a};let os=class extends ie{constructor(){super(...arguments),this.password="",this.error="",this.remainingSeconds=0,this.rateLimiter=new RateLimiter,this.handlePasswordInput=t=>{const s=t.target;this.password=s.value,this.error=""},this.handleSubmit=async t=>{t.preventDefault();if(!this.rateLimiter.attempt())return this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),this.startCountdown(),void(this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`);try{const t=function(){const t=document.getElementById(ts);if(!t){const t=`Instructor password hash not found. Expected element with id="${ts}". Check Oxygen XSL transform configuration.`;throw r(t),new Error(t)}const s=t.textContent?.trim();if(!s){const t="Instructor password hash element is empty. Check Oxygen parameter configuration.";throw r(t),new Error(t)}if(!/^[a-f0-9]{64}$/i.test(s)){const t=`Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${s.substring(0,20)}...`;throw r(t),new Error(t)}return s.toLowerCase()}(),s=(new TextEncoder).encode(this.password),n=await crypto.subtle.digest("SHA-256",s),o=Array.from(new Uint8Array(n)).map(t=>t.toString(16).padStart(2,"0")).join(""),a=await async function(t,s){if(t.length!==s.length)return!1;if(0===t.length)return!0;const n=new TextEncoder,o=n.encode(t),r=n.encode(s);try{const t=await crypto.subtle.importKey("raw",o,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),s=await crypto.subtle.sign("HMAC",t,r),n=await crypto.subtle.importKey("raw",r,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),a=await crypto.subtle.sign("HMAC",n,o);if(s.byteLength!==a.byteLength)return!1;const c=new Uint8Array(s),d=new Uint8Array(a);let l=0;for(let o=0;o{this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),0===this.remainingSeconds?(this.countdownInterval&&(window.clearInterval(this.countdownInterval),this.countdownInterval=void 0),this.error=""):this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`},1e3)}render(){const t=this.remainingSeconds>0;return Jt`

                  Instructor Access

                  Enter the instructor password to unlock administrative features.

                  @@ -978,21 +1042,21 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ />
                  - ${this.error?Ye``:""} + ${this.error?Jt``:""} - `}};fn.styles=un,gn([pt()],fn.prototype,"password",2),gn([pt()],fn.prototype,"error",2),gn([pt()],fn.prototype,"remainingSeconds",2),fn=gn([dt("qd-instructor-unlock")],fn);var bn=Object.defineProperty,vn=Object.getOwnPropertyDescriptor,yn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?vn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&bn(n,s,a),a};let wn=class extends at{constructor(){super(...arguments),this.open=!1,this.students=[],this.expandedStudents=new Set,this.handleModalClose=()=>{this.open=!1,this.dispatchEvent(new CustomEvent("close"))}}updated(t){t.has("open")&&this.open&&(this.expandedStudents=new Set(this.students.map(t=>t.serviceId)))}render(){return Ye` + `}};os.styles=Xe,ns([he()],os.prototype,"password",2),ns([he()],os.prototype,"error",2),ns([he()],os.prototype,"remainingSeconds",2),os=ns([ce("qd-instructor-unlock")],os);var rs=Object.defineProperty,is=Object.getOwnPropertyDescriptor,as=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?is(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&rs(s,n,a),a};let cs=class extends ie{constructor(){super(...arguments),this.open=!1,this.students=[],this.expandedStudents=new Set,this.handleModalClose=()=>{this.open=!1,this.dispatchEvent(new CustomEvent("close"))}}updated(t){t.has("open")&&this.open&&(this.expandedStudents=new Set(this.students.map(t=>t.serviceId)))}render(){return Jt` Student Scores
                  - ${0===this.students.length?Ye`

                  No student data available.

                  `:this.renderScoresTable()} + ${0===this.students.length?Jt`

                  No student data available.

                  `:this.renderScoresTable()}
                  - `}renderScoresTable(){const t=[...this.students].sort((t,n)=>t.name.localeCompare(n.name));return Ye` + `}renderScoresTable(){const t=[...this.students].sort((t,s)=>t.name.localeCompare(s.name));return Jt` @@ -1007,34 +1071,34 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ ${t.map(t=>this.renderStudentRow(t))}
                  - `}renderStudentRow(t){const n=this.calculateSummary(t),s=this.expandedStudents.has(t.serviceId);return Ye` + `}renderStudentRow(t){const s=this.calculateSummary(t),n=this.expandedStudents.has(t.serviceId);return Jt` this.toggleStudent(t.serviceId)}> - ${s?"▼":"▶"} - ${n.name} + ${n?"▼":"▶"} + ${s.name} - ${n.serviceId} - ${n.attempted} + ${s.serviceId} + ${s.attempted} 0?"correct-highlight":""} + class=${s.correct===s.attempted&&s.attempted>0?"correct-highlight":""} > - ${n.correct} + ${s.correct} - ${n.percentage}% + ${s.percentage}% - ${s?this.renderDetailRow(t):Ze} - `}renderDetailRow(t){const n=Object.entries(t.pages);return Ye` + ${n?this.renderDetailRow(t):Gt} + `}renderDetailRow(t){const s=Object.entries(t.pages);return Jt` - ${0===n.length?Ye`No quiz pages attempted`:Ye` + ${0===s.length?Jt`No quiz pages attempted`:Jt`
                  - ${n.map(([t,n])=>Ye` + ${s.map(([t,s])=>Jt`
                  ${t}
                  - ${n.answers.map((t,n)=>Ye` + ${s.answers.map((t,s)=>Jt` - Q${n+1}: ${t?t.answer:"—"} + Q${s+1}: ${t?t.answer:"—"} `)}
                  @@ -1044,7 +1108,7 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ `} - `}calculateSummary(t){const n=t.attempted>0?Math.round(t.correct/t.attempted*100):0;return{serviceId:t.serviceId,name:t.name,attempted:t.attempted,correct:t.correct,percentage:n}}getPercentageClass(t){return 100===t?"correct-highlight":0===t?"incorrect-highlight":""}getAnswerClass(t){return t?t.success?"correct":"incorrect":"unanswered"}toggleStudent(t){const n=new Set(this.expandedStudents);n.has(t)?n.delete(t):n.add(t),this.expandedStudents=n}show(){this.open=!0}close(){this.open=!1}};wn.styles=me` + `}calculateSummary(t){const s=t.attempted>0?Math.round(t.correct/t.attempted*100):0;return{serviceId:t.serviceId,name:t.name,attempted:t.attempted,correct:t.correct,percentage:s}}getPercentageClass(t){return 100===t?"correct-highlight":0===t?"incorrect-highlight":""}getAnswerClass(t){return t?t.success?"correct":"incorrect":"unanswered"}toggleStudent(t){const s=new Set(this.expandedStudents);s.has(t)?s.delete(t):s.add(t),this.expandedStudents=s}show(){this.open=!0}close(){this.open=!1}};cs.styles=pt` :host { display: contents; } @@ -1164,22 +1228,22 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ color: #666; font-style: italic; } - `,yn([ht({type:Boolean,reflect:!0})],wn.prototype,"open",2),yn([ht({type:Array})],wn.prototype,"students",2),yn([pt()],wn.prototype,"expandedStudents",2),wn=yn([dt("qd-scores-modal")],wn);var Sn=Object.defineProperty,xn=Object.getOwnPropertyDescriptor,En=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?xn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&Sn(n,s,a),a};let Cn=class extends at{constructor(){super(...arguments),this.students=[],this.showModal=!1,this.handleClose=()=>{this.dispatchEvent(new CustomEvent("close"))}}render(){return Ye` + `,as([ue({type:Boolean,reflect:!0})],cs.prototype,"open",2),as([ue({type:Array})],cs.prototype,"students",2),as([he()],cs.prototype,"expandedStudents",2),cs=as([ce("qd-scores-modal")],cs);var ds=Object.defineProperty,ls=Object.getOwnPropertyDescriptor,us=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?ls(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ds(s,n,a),a};let hs=class extends ie{constructor(){super(...arguments),this.students=[],this.showModal=!1,this.handleClose=()=>{this.dispatchEvent(new CustomEvent("close"))}}render(){return Jt` - `}};Cn.styles=un,En([ht({type:Array})],Cn.prototype,"students",2),En([ht({type:Boolean})],Cn.prototype,"showModal",2),Cn=En([dt("qd-instructor-scores")],Cn);var $n=Object.defineProperty,qn=Object.getOwnPropertyDescriptor,In=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?qn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&$n(n,s,a),a};let An=class extends at{constructor(){super(...arguments),this.students=[],this.handleExport=()=>{const t=this.generateCSV(),n=new Blob([t],{type:"text/csv;charset=utf-8;"}),s=URL.createObjectURL(n),o=document.createElement("a");o.href=s;const r=(new Date).toISOString().replace(/[:.]/g,"-").slice(0,19);o.download=`quiz-data-${r}.csv`,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(s)}}escapeCSVField(t){const n=String(t);return n.includes(",")||n.includes('"')||n.includes("\n")?`"${n.replace(/"/g,'""')}"`:n}generateCSV(){const t=[];t.push("Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp");for(const n of this.students)for(const[s,o]of Object.entries(n.pages)){(o.answers||[]).forEach((o,r)=>{o&&t.push([this.escapeCSVField(n.serviceId),this.escapeCSVField(n.name),this.escapeCSVField(n.release),this.escapeCSVField(s),this.escapeCSVField(r),this.escapeCSVField(o.answer),this.escapeCSVField(o.success),this.escapeCSVField(o.timestamp)].join(","))})}return t.join("\n")}render(){const t=this.students.length>0&&this.students.some(t=>t.attempted>0),n=t?`Export ${this.students.length} student${1===this.students.length?"":"s"} to CSV`:this.students.length>0?"No answers to export (students have not answered any questions)":"No data to export";return Ye` + `}};hs.styles=Xe,us([ue({type:Array})],hs.prototype,"students",2),us([ue({type:Boolean})],hs.prototype,"showModal",2),hs=us([ce("qd-instructor-scores")],hs);var ps=Object.defineProperty,gs=Object.getOwnPropertyDescriptor,ms=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?gs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ps(s,n,a),a};let fs=class extends ie{constructor(){super(...arguments),this.students=[],this.handleExport=()=>{const t=this.generateCSV(),s=new Blob([t],{type:"text/csv;charset=utf-8;"}),n=URL.createObjectURL(s),o=document.createElement("a");o.href=n;const r=(new Date).toISOString().replace(/[:.]/g,"-").slice(0,19);o.download=`quiz-data-${r}.csv`,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(n)}}escapeCSVField(t){const s=String(t);return s.includes(",")||s.includes('"')||s.includes("\n")?`"${s.replace(/"/g,'""')}"`:s}generateCSV(){const t=[];t.push("Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp");for(const s of this.students)for(const[n,o]of Object.entries(s.pages)){(o.answers||[]).forEach((o,r)=>{o&&t.push([this.escapeCSVField(s.serviceId),this.escapeCSVField(s.name),this.escapeCSVField(s.release),this.escapeCSVField(n),this.escapeCSVField(r),this.escapeCSVField(o.answer),this.escapeCSVField(o.success),this.escapeCSVField(o.timestamp)].join(","))})}return t.join("\n")}render(){const t=this.students.length>0&&this.students.some(t=>t.attempted>0),s=t?`Export ${this.students.length} student${1===this.students.length?"":"s"} to CSV`:this.students.length>0?"No answers to export (students have not answered any questions)":"No data to export";return Jt` - `}};An.styles=un,In([ht({type:Array})],An.prototype,"students",2),An=In([dt("qd-instructor-export")],An);var kn=Object.defineProperty,Tn=Object.getOwnPropertyDescriptor,Pn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Tn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&kn(n,s,a),a};let On=class extends at{constructor(){super(...arguments),this.showConfirmDialog=!1,this.confirmText="",this.error="",this.success="",this.modalContainer=null,this.handleClearRequest=()=>{this.showConfirmDialog=!0,this.confirmText="",this.error="",this.success=""},this.handleCancelClear=()=>{this.showConfirmDialog=!1,this.confirmText="",this.error=""},this.handleConfirmInput=t=>{const n=t.target;this.confirmText=n.value},this.handleConfirmClear=()=>{if("DELETE ALL DATA"===this.confirmText)try{q(),E(this,"qd:data-cleared",{}),this.success="All quiz data cleared successfully",this.showConfirmDialog=!1,this.confirmText="",this.error="",setTimeout(()=>{this.success=""},3e3)}catch{this.error="Failed to clear data"}else this.error="Confirmation text does not match"}}disconnectedCallback(){super.disconnectedCallback(),this.removeModalFromBody()}updated(t){super.updated(t),t.has("showConfirmDialog")&&(this.showConfirmDialog?this.renderModalToBody():this.removeModalFromBody()),this.showConfirmDialog&&(t.has("confirmText")||t.has("error"))&&this.renderModalToBody()}renderModalToBody(){this.modalContainer||(this.modalContainer=document.createElement("div"),this.modalContainer.className="qd-manage-modal-container",document.body.appendChild(this.modalContainer)),rt(this.renderConfirmDialog(),this.modalContainer)}removeModalFromBody(){this.modalContainer&&(this.modalContainer.remove(),this.modalContainer=null)}render(){return Ye` + `}};fs.styles=Xe,ms([ue({type:Array})],fs.prototype,"students",2),fs=ms([ce("qd-instructor-export")],fs);var bs=Object.defineProperty,vs=Object.getOwnPropertyDescriptor,ws=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?vs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&bs(s,n,a),a};let ys=class extends ie{constructor(){super(...arguments),this.showConfirmDialog=!1,this.confirmText="",this.error="",this.success="",this.modalContainer=null,this.handleClearRequest=()=>{this.showConfirmDialog=!0,this.confirmText="",this.error="",this.success=""},this.handleCancelClear=()=>{this.showConfirmDialog=!1,this.confirmText="",this.error=""},this.handleConfirmInput=t=>{const s=t.target;this.confirmText=s.value},this.handleConfirmClear=()=>{if("DELETE ALL DATA"===this.confirmText)try{A(),E(this,"qd:data-cleared",{}),this.success="All quiz data cleared successfully",this.showConfirmDialog=!1,this.confirmText="",this.error="",setTimeout(()=>{this.success=""},3e3)}catch{this.error="Failed to clear data"}else this.error="Confirmation text does not match"}}disconnectedCallback(){super.disconnectedCallback(),this.removeModalFromBody()}updated(t){super.updated(t),t.has("showConfirmDialog")&&(this.showConfirmDialog?this.renderModalToBody():this.removeModalFromBody()),this.showConfirmDialog&&(t.has("confirmText")||t.has("error"))&&this.renderModalToBody()}renderModalToBody(){this.modalContainer||(this.modalContainer=document.createElement("div"),this.modalContainer.className="qd-manage-modal-container",document.body.appendChild(this.modalContainer)),oe(this.renderConfirmDialog(),this.modalContainer)}removeModalFromBody(){this.modalContainer&&(this.modalContainer.remove(),this.modalContainer=null)}render(){return Jt`
                  - `}};On.styles=un,Pn([pt()],On.prototype,"showConfirmDialog",2),Pn([pt()],On.prototype,"confirmText",2),Pn([pt()],On.prototype,"error",2),Pn([pt()],On.prototype,"success",2),On=Pn([dt("qd-instructor-manage")],On);var _n=Object.defineProperty,Nn=Object.getOwnPropertyDescriptor,Ln=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Nn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&_n(n,s,a),a};let Dn=class extends at{constructor(){super(...arguments),this.students=[],this.open=!1,this.searchText="",this.confirmingStudent=null,this.confirmDialogOpen=!1,this.errorMessage="",this.handleModalClose=()=>{this.confirmDialogOpen||(this.close(),this.dispatchEvent(new CustomEvent("close")))},this.handleSearchInput=t=>{const n=t.target;this.searchText=n.value,this.updateComplete.then(()=>{this.syncContentToPortal()})},this.handleResetClick=t=>{this.confirmingStudent=t,this.confirmDialogOpen=!0},this.handleConfirmReset=()=>{this.confirmingStudent&&this.executeReset(this.confirmingStudent)},this.handleCancelReset=()=>{this.confirmDialogOpen=!1,this.confirmingStudent=null}}set showModal(t){this.open=t}get showModal(){return this.open}get filteredStudents(){if(!this.searchText.trim())return this.students;const t=this.searchText.toLowerCase().trim();return this.students.filter(n=>n.name.toLowerCase().includes(t)||n.serviceId.toLowerCase().includes(t))}close(){this.open=!1,this.confirmingStudent=null,this.confirmDialogOpen=!1,this.searchText="",this.errorMessage=""}show(){this.open=!0}async executeReset(t){try{const s=document.getElementById(wt);if(!s?.textContent?.trim())throw new Error(`Database name not configured. Add dbName to page.`);const o=U(s.textContent.trim());await o.init();const r=(n=t,{...n,pinHash:"",pinResetAt:(new Date).toISOString()});await o.saveStudent(r);const a={eventId:crypto.randomUUID(),serviceId:t.serviceId,resetBy:"instructor",resetAt:(new Date).toISOString(),release:t.release};await o.saveAuditEvent(a);const c=this.students.findIndex(n=>n.serviceId===t.serviceId);c>=0&&(this.students[c]=r,this.students=[...this.students]),this.dispatchEvent(new CustomEvent("qd:pin-reset",{detail:{serviceId:t.serviceId,resetBy:"instructor",timestamp:(new Date).toISOString()},bubbles:!0,composed:!0})),this.confirmDialogOpen=!1,this.confirmingStudent=null,this.errorMessage="",this.updateComplete.then(()=>{this.syncContentToPortal()})}catch(s){console.error("PIN reset error:",s),this.errorMessage="Failed to reset PIN. Please try again.",this.confirmDialogOpen=!1,this.confirmingStudent=null,this.updateComplete.then(()=>{this.syncContentToPortal()})}var n}syncContentToPortal(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector(".student-list");if(!n)return;n.innerHTML="";const s=this.filteredStudents;if(0===s.length){const t=document.createElement("div");t.className="empty-message",t.textContent=this.searchText?"No matching students":"No students found",t.style.cssText="padding: 16px; text-align: center; color: #666; font-size: 12px;",n.appendChild(t)}else s.forEach(t=>{const s=document.createElement("div");s.className="student-item",s.style.cssText="\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n ";const o=document.createElement("div"),r=document.createElement("div");r.className="student-name",r.textContent=t.name,r.style.cssText="font-size: 12px; font-weight: 500;";const a=document.createElement("div");a.className="student-id",a.textContent=`ID: ${t.serviceId}`,a.style.cssText="font-size: 10px; color: #666;";const c=document.createElement("div");c.className="pin-status";const d=t.pinHash&&t.pinHash.length>0;c.textContent=d?"PIN set":"No PIN",c.style.cssText=`font-size: 10px; color: ${d?"#4caf50":"#ff9800"};`,o.appendChild(r),o.appendChild(a),o.appendChild(c);const l=document.createElement("button");l.className="reset-btn",l.textContent="Reset PIN",l.type="button",l.style.cssText="\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n ",l.onclick=()=>this.handleResetClick(t),s.appendChild(o),s.appendChild(l),n.appendChild(s)});let o=t.querySelector(".error-message");if(this.errorMessage){if(!o){o=document.createElement("div"),o.className="error-message";const n=t.querySelector(".qd-modal-body");n?.appendChild(o)}o.textContent=this.errorMessage,o.style.cssText="\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n "}else o?.remove()}setupPortalListeners(){const t=document.querySelector(".qd-modal-backdrop");if(!t)return;const n=t.querySelector(".search-input");n&&(n.oninput=this.handleSearchInput,n.focus()),this.syncContentToPortal()}updated(t){t.has("open")&&this.open&&setTimeout(()=>{this.setupPortalListeners()},0),t.has("students")&&this.open&&this.updateComplete.then(()=>{this.syncContentToPortal()})}render(){if(!this.open)return Ze;const t=this.confirmingStudent,n=t?`Reset PIN for ${t.name} (${t.serviceId})?
                  They will need to create a new PIN on next login.`:"";return Ye` + `}};ys.styles=Xe,ws([he()],ys.prototype,"showConfirmDialog",2),ws([he()],ys.prototype,"confirmText",2),ws([he()],ys.prototype,"error",2),ws([he()],ys.prototype,"success",2),ys=ws([ce("qd-instructor-manage")],ys);var Ss=Object.defineProperty,xs=Object.getOwnPropertyDescriptor,Es=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?xs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ss(s,n,a),a};let $s=class extends ie{constructor(){super(...arguments),this.students=[],this.open=!1,this.searchText="",this.confirmingStudent=null,this.confirmDialogOpen=!1,this.errorMessage="",this.handleModalClose=()=>{this.confirmDialogOpen||(this.close(),this.dispatchEvent(new CustomEvent("close")))},this.handleSearchInput=t=>{const s=t.target;this.searchText=s.value},this.handleResetClick=t=>{this.confirmingStudent=t,this.confirmDialogOpen=!0},this.handleConfirmReset=()=>{this.confirmingStudent&&this.executeReset(this.confirmingStudent)},this.handleCancelReset=()=>{this.confirmDialogOpen=!1,this.confirmingStudent=null}}set showModal(t){this.open=t}get showModal(){return this.open}get filteredStudents(){if(!this.searchText.trim())return this.students;const t=this.searchText.toLowerCase().trim();return this.students.filter(s=>s.name.toLowerCase().includes(t)||s.serviceId.toLowerCase().includes(t))}close(){this.open=!1,this.confirmingStudent=null,this.confirmDialogOpen=!1,this.searchText="",this.errorMessage=""}show(){this.open=!0}async executeReset(t){try{const n=document.getElementById(we);if(!n?.textContent?.trim())throw new Error(`Database name not configured. Add dbName to page.`);const o=U(n.textContent.trim());await o.init();const r=(s=t,{...s,pinHash:"",pinResetAt:(new Date).toISOString()});await o.saveStudent(r);const a={eventId:crypto.randomUUID(),serviceId:t.serviceId,resetBy:"instructor",resetAt:(new Date).toISOString(),release:t.release};await o.saveAuditEvent(a);const c=this.students.findIndex(s=>s.serviceId===t.serviceId);c>=0&&(this.students[c]=r,this.students=[...this.students]),this.dispatchEvent(new CustomEvent("qd:pin-reset",{detail:{serviceId:t.serviceId,resetBy:"instructor",timestamp:(new Date).toISOString()},bubbles:!0,composed:!0})),this.confirmDialogOpen=!1,this.confirmingStudent=null,this.errorMessage=""}catch(n){console.error("PIN reset error:",n),this.errorMessage="Failed to reset PIN. Please try again.",this.confirmDialogOpen=!1,this.confirmingStudent=null}var s}render(){if(!this.open)return Gt;const t=this.confirmingStudent,s=t?`Reset PIN for ${t.name} (${t.serviceId})?
                  They will need to create a new PIN on next login.`:"";return Jt`
                  - ${0===this.filteredStudents.length?Ye`
                  + ${0===this.filteredStudents.length?Jt`
                  ${this.searchText?"No matching students":"No students found"} -
                  `:this.filteredStudents.map(t=>Ye` +
                  `:this.filteredStudents.map(t=>Jt`
                  ${t.name}
                  @@ -1286,26 +1351,32 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ ${t.pinHash?"PIN set":"No PIN"}
                  - +
                  `)} - ${this.errorMessage?Ye`
                  ${this.errorMessage}
                  `:""} + ${this.errorMessage?Jt`
                  ${this.errorMessage}
                  `:""}                   - `}};Dn.styles=me` + `}};$s.styles=pt` :host { display: contents; } @@ -1401,13 +1472,9 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ background: #ffebee; border-radius: 4px; } - `,Ln([ht({type:Array})],Dn.prototype,"students",2),Ln([ht({type:Boolean,reflect:!0})],Dn.prototype,"open",2),Ln([pt()],Dn.prototype,"searchText",2),Ln([pt()],Dn.prototype,"confirmingStudent",2),Ln([pt()],Dn.prototype,"confirmDialogOpen",2),Ln([pt()],Dn.prototype,"errorMessage",2),Ln([ht({type:Boolean})],Dn.prototype,"showModal",1),Dn=Ln([dt("qd-pin-reset-dialog")],Dn);var zn=Object.defineProperty,Rn=Object.getOwnPropertyDescriptor,Mn=(t,n,s,o)=>{for(var r,a=o>1?void 0:o?Rn(n,s):n,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(n,s,a):r(a))||a);return o&&a&&zn(n,s,a),a};let Hn=class extends at{constructor(){super(...arguments),this.unlocked=!1,this.showScores=!1,this.students=[],this.showStudentAnswers=!1,this.showPinReset=!1,this.helpOpen=!1,this.handleLoginEvent=t=>{const n=t,s=n.detail?.role;this.updateVisibility(),"instructor"===s&&this.unlock()},this.handleLogoutEvent=()=>{this.updateVisibility(),this.lock()},this.handleResetPins=async()=>{const t=C(u.SESSION);if(t){try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(n){console.error("Failed to load students:",n),this.students=[]}this.showPinReset=!0}},this.handleClosePinReset=()=>{this.showPinReset=!1},this.handlePinReset=()=>{this.dispatchEvent(new CustomEvent("qd:pin-reset",{bubbles:!0,composed:!0}))},this.handleUnlock=()=>{this.unlocked=!0,this.dispatchEvent(new CustomEvent("qd:instructor-unlock",{bubbles:!0,composed:!0}))},this.handleViewScores=async()=>{const t=C(u.SESSION);if(t){try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(n){console.error("Failed to load students:",n),this.students=[]}this.showScores=!0}},this.handleCloseScores=()=>{this.showScores=!1},this.handleDataCleared=()=>{this.dispatchEvent(new CustomEvent("qd:data-cleared",{bubbles:!0,composed:!0})),this.students=[]},this.handleLogout=()=>{const t=C(u.SESSION);(new SessionService).clearSession(),this.dispatchEvent(new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0}))},this.handleToggleStudentAnswers=async t=>{const n=t.target;if(this.showStudentAnswers=n.checked,this.showStudentAnswers&&0===this.students.length){const t=C(u.SESSION);if(t)try{const{getStorageService:n}=await Promise.resolve().then(()=>Q),s=n(),o=await s.getStudentsByRelease(t.release);this.students=o}catch(o){console.error("Failed to load students for toggle:",o)}}const s=this.showStudentAnswers?"qd:instructor-show-answers":"qd:instructor-hide-answers";this.dispatchEvent(new CustomEvent(s,{bubbles:!0,composed:!0})),sessionStorage.setItem("qd/instructor/showAnswers",String(this.showStudentAnswers))},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility();const t="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&this.unlock();const n=sessionStorage.getItem("qd/instructor/showAnswers");null!==n&&(this.showStudentAnswers="true"===n,this.showStudentAnswers&&t&&setTimeout(()=>{this.dispatchEvent(new CustomEvent("qd:instructor-show-answers",{bubbles:!0,composed:!0}))},100)),document.addEventListener("qd:login",this.handleLoginEvent),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:login",this.handleLoginEvent),document.removeEventListener("qd:logout",this.handleLogoutEvent)}updateVisibility(){"true"===sessionStorage.getItem(u.INSTRUCTOR)?this.setAttribute("data-show",""):this.removeAttribute("data-show")}setStudents(t){this.students=t}unlock(){this.unlocked=!0}lock(){this.unlocked=!1,this.showScores=!1,this.showPinReset=!1}render(){return this.unlocked?Ye` + `,Es([ue({type:Array})],$s.prototype,"students",2),Es([ue({type:Boolean,reflect:!0})],$s.prototype,"open",2),Es([he()],$s.prototype,"searchText",2),Es([he()],$s.prototype,"confirmingStudent",2),Es([he()],$s.prototype,"confirmDialogOpen",2),Es([he()],$s.prototype,"errorMessage",2),Es([ue({type:Boolean})],$s.prototype,"showModal",1),$s=Es([ce("qd-pin-reset-dialog")],$s);var Is=Object.defineProperty,Cs=Object.getOwnPropertyDescriptor,As=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Cs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Is(s,n,a),a};let qs=class extends ie{constructor(){super(...arguments),this.unlocked=!1,this.showScores=!1,this.students=[],this.showStudentAnswers=!1,this.showPinReset=!1,this.handleLoginEvent=t=>{const s=t,n=s.detail?.role;this.updateVisibility(),"instructor"===n&&this.unlock()},this.handleLogoutEvent=()=>{this.updateVisibility(),this.lock()},this.handleResetPins=async()=>{const t=$(u.SESSION);if(t){try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}this.showPinReset=!0}},this.handleClosePinReset=()=>{this.showPinReset=!1},this.handlePinReset=()=>{this.dispatchEvent(new CustomEvent("qd:pin-reset",{bubbles:!0,composed:!0}))},this.handleUnlock=()=>{this.unlocked=!0,this.dispatchEvent(new CustomEvent("qd:instructor-unlock",{bubbles:!0,composed:!0}))},this.handleViewScores=async()=>{const t=$(u.SESSION);if(t){try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}this.showScores=!0}},this.handleCloseScores=()=>{this.showScores=!1},this.handleDataCleared=()=>{this.dispatchEvent(new CustomEvent("qd:data-cleared",{bubbles:!0,composed:!0})),this.students=[]},this.handleLogout=()=>{const t=$(u.SESSION);(new SessionService).clearSession(),this.dispatchEvent(new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0}))},this.handleToggleStudentAnswers=async t=>{const s=t.target;if(this.showStudentAnswers=s.checked,this.showStudentAnswers&&0===this.students.length){const t=$(u.SESSION);if(t)try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(o){console.error("Failed to load students for toggle:",o)}}const n=this.showStudentAnswers?"qd:instructor-show-answers":"qd:instructor-hide-answers";this.dispatchEvent(new CustomEvent(n,{bubbles:!0,composed:!0})),sessionStorage.setItem("qd/instructor/showAnswers",String(this.showStudentAnswers))}}connectedCallback(){super.connectedCallback(),this.updateVisibility();const t="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&this.unlock();const s=sessionStorage.getItem("qd/instructor/showAnswers");null!==s&&(this.showStudentAnswers="true"===s,this.showStudentAnswers&&t&&setTimeout(()=>{this.dispatchEvent(new CustomEvent("qd:instructor-show-answers",{bubbles:!0,composed:!0}))},100)),document.addEventListener("qd:login",this.handleLoginEvent),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:login",this.handleLoginEvent),document.removeEventListener("qd:logout",this.handleLogoutEvent)}updateVisibility(){"true"===sessionStorage.getItem(u.INSTRUCTOR)?this.setAttribute("data-show",""):this.removeAttribute("data-show")}setStudents(t){this.students=t}unlock(){this.unlocked=!0}lock(){this.unlocked=!1,this.showScores=!1,this.showPinReset=!1}render(){return this.unlocked?Jt`
                  -
                  - Instructor Mode - - -
                  +
                  Instructor Mode
                  @@ -1440,17 +1507,10 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ @close=${this.handleClosePinReset} @qd:pin-reset=${this.handlePinReset} > - -
                  - `:Ye` + `:Jt` - `}};Hn.styles=[un,me` + `}};qs.styles=[Xe,pt` :host { display: none; /* Hidden by default, shown when instructor logged in */ } @@ -1458,5 +1518,5 @@ const Ht=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,n,s){ :host([data-show]) { display: block; } - `],Mn([pt()],Hn.prototype,"unlocked",2),Mn([pt()],Hn.prototype,"showScores",2),Mn([pt()],Hn.prototype,"students",2),Mn([pt()],Hn.prototype,"showStudentAnswers",2),Mn([pt()],Hn.prototype,"showPinReset",2),Mn([pt()],Hn.prototype,"helpOpen",2),Hn=Mn([dt("qd-instructor")],Hn);const Un={statusPanel:".wh_top_menu_and_indexterms_link"};function jn(t={}){const n=t.statusPanelContainer||Un.statusPanel;!function(t){const n=document.querySelector(t);if(!n)return null;const s=document.createElement("qd-login");n.appendChild(s)}(n),function(t){const n=document.querySelector(t);if(!n)return null;const s=document.createElement("qd-status");n.appendChild(s)}(n),function(t){const n=document.querySelector(t);if(!n)return null;const s=document.createElement("qd-instructor");n.appendChild(s)}(n)}const Fn={red:"qd-badge-red",amber:"qd-badge-amber",green:"qd-badge-green"},Bn={unstarted:"red",incomplete:"amber",complete:"green"};function Vn(t){const n=function(t,n){if(!t||!n?.pages)return"unstarted";const s=n.pages[t];return s?.state??"unstarted"}(t.getAttribute("data-page-id"),C(u.CACHE));!function(t,n){Object.values(Fn).forEach(n=>{t.classList.remove(n)});const s=Fn[Bn[n]];t.classList.add(s)}(t,n)}function Qn(){const t=document.querySelectorAll(".quizPageBtn"),n=C(u.CACHE),s="true"===sessionStorage.getItem(u.INSTRUCTOR);if(!n||s)return t.forEach(t=>{Object.values(Fn).forEach(n=>{t.classList.remove(n)})}),void t.length;t.forEach(t=>{Vn(t)}),t.length}function Kn(t){const n=t,{pageId:s}=n.detail,o=document.querySelector(`[data-page-id="${s}"]`);o&&o.classList.contains("quizPageBtn")&&Vn(o)}function Wn(){Qn()}function Jn(){const t=document.querySelectorAll(".quizPageBtn");t.forEach(t=>{Object.values(Fn).forEach(n=>{t.classList.remove(n)})}),t.length}const Yn={initialized:!1};async function Gn(t={}){if(Yn.initialized)return void a("Bootstrap already initialized, skipping");if(function(){if(document.getElementById("qd-global-styles"))return;const t=document.createElement("style");t.id="qd-global-styles",t.textContent="\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: 1rem;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n ",document.head.appendChild(t)}(),!t.dbName){const t="FATAL: dbName not provided in bootstrap config. 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//# sourceMappingURL=sonar-quiz.iife.js.map diff --git a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map index 069a43a..0df198a 100644 --- a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map +++ b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map @@ -1 +1 @@ -{"version":3,"file":"sonar-quiz.iife.js","sources":["../src/utils/logger.ts","../src/services/quiz-parser.ts","../src/types/contracts.ts","../src/services/session.ts","../src/utils/calculation-helpers.ts","../src/utils/date-helpers.ts","../src/utils/debouncer.ts","../src/utils/dom-helpers.ts","../src/utils/event-helpers.ts","../src/utils/storage-helpers.ts","../src/services/storage/adapter-utils.ts","../src/services/storage/indexeddb.ts","../src/services/state-calculator.ts","../src/services/storage-service.ts","../src/enhancers/quiz-table.ts","../src/services/question-input.ts","../src/services/answer-display.ts","../src/services/analysis-parser.ts","../src/enhancers/analysis-table.ts","../src/init/event-coordinator.ts","../src/init/session-coordinator.ts","../node_modules/@lit/reactive-element/css-tag.js","../node_modules/@lit/reactive-element/reactive-element.js","../node_modules/lit-html/lit-html.js","../node_modules/lit-element/lit-element.js","../node_modules/@lit/reactive-element/decorators/custom-element.js","../node_modules/@lit/reactive-element/decorators/property.js","../node_modules/@lit/reactive-element/decorators/state.js","../src/config/dom-config-reader.ts","../src/services/auth/pin-service.ts","../src/services/auth/rate-limiter.ts","../src/components/qd-build-info.ts","../src/components/qd-modal.ts","../src/components/qd-password-modal.ts","../node_modules/@lit/reactive-element/decorators/query.js","../node_modules/@lit/reactive-element/decorators/base.js","../node_modules/lit-html/directive.js","../node_modules/lit-html/directives/unsafe-html.js","../src/components/qd-confirm-dialog.ts","../src/components/qd-help-trigger.ts","../src/components/qd-help-popup.ts","../src/config/help-content.ts","../src/components/qd-login.ts","../src/utils/validation-helpers.ts","../src/services/storage/migration.ts","../src/components/qd-status.ts","../src/components/qd-instructor/shared-styles.ts","../src/utils/security.ts","../src/config/instructor-password.ts","../src/components/qd-instructor/qd-instructor-unlock.ts","../src/components/qd-scores-modal.ts","../src/components/qd-instructor/qd-instructor-scores.ts","../src/components/qd-instructor/qd-instructor-export.ts","../src/components/qd-instructor/qd-instructor-manage.ts","../src/components/qd-pin-reset-dialog.ts","../src/components/qd-instructor/qd-instructor.ts","../src/init/component-injector.ts","../src/enhancers/home-badges.ts","../src/init/bootstrap.ts","../src/index.ts"],"sourcesContent":["/**\n * Structured logging with sanitization\n *\n * Provides debug/info/error logging with automatic sanitization of sensitive data.\n * Debug logs are controlled by a runtime flag to prevent production leakage.\n */\n\nimport type { ServiceId } from '../types/contracts.js';\n\n/**\n * Debug mode flag\n *\n * Set to true for development logging, false for production.\n * Can be controlled via data-debug attribute on script tag.\n */\nlet debugEnabled = false;\n\n/**\n * Enable or disable debug logging\n *\n * @param enabled - Whether to enable debug logs\n */\nexport function setDebugMode(enabled: boolean): void {\n debugEnabled = enabled;\n}\n\n/**\n * Check if debug mode is enabled\n */\nexport function isDebugEnabled(): boolean {\n return debugEnabled;\n}\n\n/**\n * Mask sensitive service ID\n *\n * Replaces middle characters with asterisks for privacy.\n *\n * @param serviceId - Service ID to mask\n * @returns Masked service ID (e.g., \"RN2344\" → \"RN****\")\n *\n * @example\n * ```typescript\n * const masked = maskServiceId('RN2344');\n * console.log(masked); // \"RN****\"\n * ```\n */\nexport function maskServiceId(serviceId: ServiceId): string {\n if (serviceId.length < 2) {\n return '**';\n }\n if (serviceId.length === 2) {\n return serviceId; // Keep 2-char IDs unmasked\n }\n const prefix = serviceId.slice(0, 2);\n const suffix = '*'.repeat(serviceId.length - 2);\n return prefix + suffix;\n}\n\n/**\n * Sanitize object by removing or masking sensitive fields\n *\n * Removes: name, passwordHash\n * Masks: serviceId\n *\n * @param obj - Object to sanitize\n * @returns Sanitized copy of object\n *\n * @example\n * ```typescript\n * const data = { serviceId: 'RN2344', name: 'John Doe', score: 95 };\n * const safe = sanitize(data);\n * console.log(safe); // { serviceId: 'RN****', score: 95 }\n * ```\n */\nexport function sanitize(obj: T): Partial {\n if (obj === null || typeof obj !== 'object') {\n return obj;\n }\n\n const sanitized: Record = {};\n\n for (const [key, value] of Object.entries(obj)) {\n // Remove sensitive fields\n if (key === 'name' || key === 'passwordHash') {\n continue;\n }\n\n // Mask service IDs\n if (key === 'serviceId' && typeof value === 'string') {\n sanitized[key] = maskServiceId(value);\n continue;\n }\n\n // Recursively sanitize nested objects\n if (typeof value === 'object' && value !== null) {\n sanitized[key] = sanitize(value);\n continue;\n }\n\n sanitized[key] = value;\n }\n\n return sanitized as Partial;\n}\n\n/**\n * Log debug message (only in debug mode)\n *\n * @param message - Debug message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function debug(message: string, data?: unknown): void {\n if (debugEnabled) {\n if (data !== undefined) {\n // eslint-disable-next-line no-console\n console.log(`[DEBUG] ${message}`, sanitize(data));\n } else {\n // eslint-disable-next-line no-console\n console.log(`[DEBUG] ${message}`);\n }\n }\n}\n\n/**\n * Log info message (only in debug mode)\n *\n * @param message - Info message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function info(message: string, data?: unknown): void {\n if (debugEnabled) {\n if (data !== undefined) {\n // eslint-disable-next-line no-console\n console.log(`[INFO] ${message}`, sanitize(data));\n } else {\n // eslint-disable-next-line no-console\n console.log(`[INFO] ${message}`);\n }\n }\n}\n\n/**\n * Log error message\n *\n * @param message - Error message\n * @param error - Error object or data\n */\nexport function error(message: string, error?: unknown): void {\n if (error instanceof Error) {\n const errorObj: { name: string; message: string; stack?: string } = {\n name: error.name,\n message: error.message,\n };\n if (debugEnabled && error.stack) {\n errorObj.stack = error.stack;\n }\n console.error(`[ERROR] ${message}`, errorObj);\n } else if (error !== undefined) {\n console.error(`[ERROR] ${message}`, sanitize(error));\n } else {\n console.error(`[ERROR] ${message}`);\n }\n}\n\n/**\n * Log warning message\n *\n * @param message - Warning message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function warn(message: string, data?: unknown): void {\n if (data !== undefined) {\n console.warn(`[WARN] ${message}`, sanitize(data));\n } else {\n console.warn(`[WARN] ${message}`);\n }\n}\n\n/**\n * Logger object with all methods\n */\nexport const logger = {\n setDebugMode,\n isDebugEnabled,\n debug,\n info,\n warn,\n error,\n sanitize,\n maskServiceId,\n};\n","/**\n * Quiz Table Parser\n *\n * Parses DITA-generated HTML quiz tables and extracts question data.\n *\n * Table Structure:\n * - Must have class \"qd-quiz\"\n * - Exactly 3 columns: Question | Answer | Detail\n * - MCQ: Detail column contains
                    with options\n * - Numeric: Detail column contains tolerance number\n */\n\nimport type { ParsedQuizTable, QuizQuestion } from '../types/contracts.js';\n\n/**\n * Parse a quiz table and extract question data\n *\n * @param table - HTMLTableElement with class \"qd-quiz\"\n * @returns ParsedQuizTable with questions and any validation errors\n */\nexport function parseQuizTable(table: HTMLTableElement): ParsedQuizTable {\n const errors: string[] = [];\n const questions: QuizQuestion[] = [];\n\n // Validate table has correct class\n if (!table.classList.contains('qd-quiz')) {\n errors.push('Table must have class \"qd-quiz\"');\n return { element: table, questions, errors };\n }\n\n // Get all rows from tbody (skip thead if present)\n const rows = Array.from(table.querySelectorAll('tbody tr'));\n\n if (rows.length === 0) {\n errors.push('Quiz table has no data rows');\n return { element: table, questions, errors };\n }\n\n // Parse each row\n rows.forEach((row, index) => {\n const cells = Array.from(row.querySelectorAll('td'));\n\n // Validate row has exactly 3 columns\n if (cells.length !== 3) {\n errors.push(\n `Row ${index + 1} has ${cells.length} columns, expected 3 (Question | Answer | Detail)`,\n );\n return;\n }\n\n const questionCell = cells[0];\n const answerCell = cells[1];\n const detailCell = cells[2];\n\n if (!questionCell || !answerCell || !detailCell) {\n return;\n }\n\n // Extract question text\n const questionText = questionCell.textContent?.trim() || '';\n if (!questionText) {\n errors.push(`Row ${index + 1} has empty question text`);\n return;\n }\n\n // Extract correct answer\n const correctAnswer = answerCell.textContent?.trim() || '';\n if (!correctAnswer) {\n errors.push(`Row ${index + 1} has empty answer`);\n return;\n }\n\n // Determine question kind and extract additional data\n const olElement = detailCell.querySelector('ol');\n\n if (olElement) {\n // MCQ question - extract options from ordered list\n const options = extractMcqOptions(olElement);\n\n if (options.length === 0) {\n errors.push(`Row ${index + 1} MCQ has no options in
                      `);\n return;\n }\n\n questions.push({\n text: questionText,\n kind: 'mcq',\n correctAnswer,\n options,\n });\n } else {\n // Numeric question - extract tolerance\n const toleranceText = detailCell.textContent?.trim() || '';\n const tolerance = parseFloat(toleranceText);\n\n if (isNaN(tolerance)) {\n errors.push(\n `Row ${index + 1} appears to be numeric but has invalid tolerance: \"${toleranceText}\"`,\n );\n return;\n }\n\n questions.push({\n text: questionText,\n kind: 'numeric',\n correctAnswer,\n tolerance,\n });\n }\n });\n\n return {\n element: table,\n questions,\n errors: errors.length > 0 ? errors : undefined,\n };\n}\n\n/**\n * Extract option text from MCQ ordered list\n *\n * @param ol - The
                        element containing options\n * @returns Array of option strings\n */\nfunction extractMcqOptions(ol: HTMLOListElement): string[] {\n const listItems = Array.from(ol.querySelectorAll('li'));\n return listItems.map((li) => li.textContent?.trim() || '').filter((text) => text.length > 0);\n}\n\n/**\n * Find all quiz tables in the document\n *\n * @param doc - Document to search (defaults to global document)\n * @returns Array of ParsedQuizTable results\n */\nexport function findQuizTables(doc: Document = document): ParsedQuizTable[] {\n const tables = Array.from(doc.querySelectorAll('table.qd-quiz'));\n return tables.map((table) => parseQuizTable(table));\n}\n\n/**\n * Validate answer against question\n *\n * @param question - The quiz question\n * @param answer - The user's answer\n * @returns true if answer is correct\n */\nexport function validateAnswer(question: QuizQuestion, answer: string): boolean {\n if (!answer || answer.trim() === '') {\n return false;\n }\n\n const trimmedAnswer = answer.trim();\n\n if (question.kind === 'mcq') {\n // MCQ: exact match of option number (1-indexed)\n return trimmedAnswer === question.correctAnswer;\n } else {\n // Numeric: within tolerance\n const userValue = parseFloat(trimmedAnswer);\n const correctValue = parseFloat(question.correctAnswer);\n\n if (isNaN(userValue) || isNaN(correctValue)) {\n return false;\n }\n\n const tolerance = question.tolerance ?? 0;\n return Math.abs(userValue - correctValue) <= tolerance;\n }\n}\n","/**\n * Frozen Type Contracts for Sonar Quiz System\n * Version: 1.1.0 (Fixed PageCache with answers field)\n *\n * These types are FROZEN and must not be modified without version bump.\n * Any changes require migration strategy and backwards compatibility.\n *\n * Changelog:\n * - 1.1.0: Added missing `answers` field to PageCache (fixes 78 eslint-disable comments)\n * - 1.0.0: Initial contracts\n */\n\n// ============================================================================\n// CORE IDENTIFIERS\n// ============================================================================\n\n/** Release identifier format: \"MM-YYYY\" */\nexport type ReleaseId = string;\n\n/** Service ID for student identification */\nexport type ServiceId = string;\n\n/** Page identifier from DITA document */\nexport type PageId = string;\n\n/** Table identifier (16-char hash based on table structure: rows x cols + class name) */\nexport type TableId = string;\n\n/** Cell key format: \"R{row}C{col}#f:{hash}\" where hash is 8-char from normalized content */\nexport type CellKey = string;\n\n// ============================================================================\n// ENUMERATIONS\n// ============================================================================\n\n/** Page completion state */\nexport type CompletionState = 'unstarted' | 'incomplete' | 'complete';\n\n/** Question type in quiz */\nexport type QuestionKind = 'mcq' | 'numeric';\n\n// ============================================================================\n// QUIZ ENTITIES\n// ============================================================================\n\n/** Individual quiz answer with correctness */\nexport interface AnswerRecord {\n /** User's answer value */\n answer: string;\n /** Whether the answer is correct */\n success: boolean;\n /** Timestamp when answer was submitted (ISO 8601) */\n timestamp: string;\n}\n\n/** Quiz question definition */\nexport interface QuizQuestion {\n /** Question text */\n text: string;\n /** Question type */\n kind: QuestionKind;\n /** Correct answer */\n correctAnswer: string;\n /** MCQ options (for mcq type) */\n options?: string[];\n /** Numeric tolerance (for numeric type) */\n tolerance?: number;\n}\n\n// ============================================================================\n// ANALYSIS ENTITIES\n// ============================================================================\n\n/** Analysis table data */\nexport interface AnalysisData {\n /** Unique table identifier */\n tableId: TableId;\n /** Cell key to content mapping */\n cells: Record;\n /** First edit timestamp (ISO 8601) */\n firstEdited?: string;\n /** Last edit timestamp (ISO 8601) */\n lastEdited?: string;\n}\n\n// ============================================================================\n// PAGE DATA\n// ============================================================================\n\n/** Student's data for a specific page */\nexport interface PageData {\n /** Array of quiz answers */\n answers: AnswerRecord[];\n /** Calculated completion state */\n state: CompletionState;\n /** First attempt timestamp (ISO 8601) */\n firstAttempted?: string;\n /** Last attempt timestamp (ISO 8601) */\n lastAttempted?: string;\n /** Analysis table data if present */\n analysis?: AnalysisData;\n}\n\n// ============================================================================\n// STUDENT RECORD\n// ============================================================================\n\n/** Complete student progress record */\nexport interface StudentRecord {\n /** Schema version for migrations */\n schema: number;\n /** Document identifier */\n docId: string;\n /** Release version */\n release: ReleaseId;\n /** Student service ID */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Total questions attempted */\n attempted: number;\n /** Total correct answers */\n correct: number;\n /** Last update timestamp (ISO 8601) */\n updated: string;\n /** Page data by page ID */\n pages: Record;\n\n // PIN Authentication (v2)\n /** SHA-256 hash of 4-digit PIN */\n pinHash?: string;\n /** ISO 8601 timestamp when PIN was created */\n pinCreatedAt?: string;\n /** ISO 8601 timestamp when PIN was last reset */\n pinResetAt?: string;\n}\n\n// ============================================================================\n// PIN AUTHENTICATION (v2)\n// ============================================================================\n\n/** Rate limiting state for PIN attempts (stored in sessionStorage) */\nexport interface PinAttemptState {\n /** Student identifier */\n serviceId: ServiceId;\n /** Failed attempt count (0-3) */\n attempts: number;\n /** ISO 8601 timestamp when lockout expires, or null */\n lockoutUntil: string | null;\n /** ISO 8601 timestamp of last attempt */\n lastAttempt: string;\n}\n\n/** Audit trail for instructor PIN resets (stored in IndexedDB) */\nexport interface PinResetEvent {\n /** UUID v4 */\n eventId: string;\n /** Student affected */\n serviceId: ServiceId;\n /** Actor type */\n resetBy: 'instructor';\n /** ISO 8601 timestamp */\n resetAt: string;\n /** Context */\n release: ReleaseId;\n}\n\n// ============================================================================\n// SESSION MANAGEMENT\n// ============================================================================\n\n/**\n * Active session data\n *\n * Note: serviceId and release are duplicated from the storage key\n * for convenient access without requiring a storage lookup\n */\nexport interface SessionData {\n /** Student service ID (duplicated from storage key) */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Current release (duplicated from storage key) */\n release: ReleaseId;\n /** Login timestamp (ISO 8601) */\n loginTime: string;\n /** Last activity timestamp (ISO 8601) */\n lastActivity: string;\n /** Session expiry timestamp (ISO 8601) */\n expiresAt: string;\n /** Whether instructor mode is unlocked */\n instructorUnlocked: boolean;\n /** Instructor unlock timestamp (ISO 8601) */\n unlockTime?: string;\n}\n\n/**\n * Cached page state for performance\n *\n * CRITICAL FIX: Added `answers` field to fix type safety issues\n * This was missing in v1.0.0, causing 78 eslint-disable comments\n */\nexport interface PageCache {\n /** Page completion state */\n state: CompletionState;\n /** Total number of questions registered on this page */\n total: number;\n /** Number of questions answered */\n answered: number;\n /** Number of correct answers */\n correct: number;\n /** Last update timestamp (ISO 8601) */\n last?: string;\n /** Answer records (ADDED in v1.1.0) */\n answers?: AnswerRecord[];\n /** Analysis table data if present (ADDED in v1.2.0) */\n analysis?: AnalysisData;\n}\n\n/** Session cache for quick access */\nexport interface SessionCache {\n /** Aggregated totals */\n totals: {\n total: number;\n answered: number;\n correct: number;\n };\n /** Per-page cache */\n pages: Record;\n}\n\n// ============================================================================\n// INSTRUCTOR FEATURES\n// ============================================================================\n\n/** Student summary for instructor view */\nexport interface StudentSummary {\n /** Student service ID */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Questions attempted */\n attempted: number;\n /** Correct answers */\n correct: number;\n /** Success percentage */\n percentage: number;\n /** Last activity timestamp */\n lastActive: string;\n}\n\n/** Quiz results export format */\nexport interface QuizExport {\n /** Export timestamp */\n timestamp: string;\n /** Release version */\n release: ReleaseId;\n /** Document ID */\n docId: string;\n /** Student results */\n students: StudentSummary[];\n /** Detailed answers by page */\n details?: {\n pageId: PageId;\n studentId: ServiceId;\n answers: AnswerRecord[];\n }[];\n}\n\n// ============================================================================\n// DOM ENHANCEMENT\n// ============================================================================\n\n/** Quiz table parsing result */\nexport interface ParsedQuizTable {\n /** Table element reference */\n element: HTMLTableElement;\n /** Extracted questions */\n questions: QuizQuestion[];\n /** Validation errors if any */\n errors?: string[];\n}\n\n/** Analysis table parsing result */\nexport interface ParsedAnalysisTable {\n /** Table element reference */\n element: HTMLTableElement;\n /** Table identifier */\n tableId: TableId;\n /** Editable cell positions */\n editableCells: Array<{\n row: number;\n col: number;\n key: CellKey;\n }>;\n /** Validation errors if any */\n errors?: string[];\n}\n\n// ============================================================================\n// STORAGE ADAPTER\n// ============================================================================\n\n/** Storage adapter interface for data persistence */\nexport interface StorageAdapter {\n /** Initialize storage */\n init(): Promise;\n\n /** Get student record */\n getStudent(release: ReleaseId, serviceId: ServiceId): Promise;\n\n /** Save student record */\n saveStudent(record: StudentRecord): Promise;\n\n /** Get all students for a release */\n getStudentsByRelease(release: ReleaseId): Promise;\n\n /** Delete all data */\n clearAll(): Promise;\n\n /** Create backup */\n backup(record: StudentRecord): Promise;\n}\n\n// ============================================================================\n// EVENTS\n// ============================================================================\n\n/** Custom event namespace */\nexport const EVENT_NAMESPACE = 'qd';\n\n/** Event type definitions */\nexport interface QuizEvents {\n 'qd:login': { detail: SessionData };\n 'qd:logout': { detail: { serviceId: ServiceId } };\n 'qd:answer-saved': { detail: { pageId: PageId; answer: AnswerRecord } };\n 'qd:state-changed': { detail: { pageId: PageId; state: CompletionState } };\n 'qd:analysis-saved': {\n detail: { pageId: PageId; tableId: TableId; cellKey: CellKey; content: string };\n };\n 'qd:instructor-unlock': { detail: { timestamp: string } };\n 'qd:instructor-lock': { detail: { timestamp: string } };\n 'qd:data-cleared': { detail: { timestamp: string } };\n 'qd:session-expired': { detail: { timestamp: string } };\n 'qd:storage-error': { detail: { error: Error; operation: string } };\n // PIN Authentication events (v2)\n 'qd:pin-created': { detail: { serviceId: ServiceId; timestamp: string } };\n 'qd:pin-verified': { detail: { serviceId: ServiceId; timestamp: string } };\n 'qd:pin-reset': { detail: { serviceId: ServiceId; resetBy: 'instructor'; timestamp: string } };\n}\n\n// ============================================================================\n// CONSTANTS\n// ============================================================================\n\n/** Current schema version */\nexport const SCHEMA_VERSION = 2;\n\n/** Session timeout in milliseconds (30 minutes) */\nexport const SESSION_TIMEOUT_MS = 30 * 60 * 1000;\n\n/** Storage keys */\nexport const STORAGE_KEYS = {\n SESSION: 'qd/session',\n CACHE: 'qd/state',\n INSTRUCTOR: 'qd/instructor',\n PIN_ATTEMPTS: 'qd:pin-attempts',\n} as const;\n\n/** PIN authentication constants */\nexport const PIN_CONSTANTS = {\n /** Maximum failed attempts before lockout */\n MAX_ATTEMPTS: 3,\n /** Lockout duration in milliseconds (30 seconds) */\n LOCKOUT_MS: 30 * 1000,\n /** PIN length (must be exactly 4 digits) */\n PIN_LENGTH: 4,\n} as const;\n\n/** CSS classes for DOM selection */\nexport const CSS_CLASSES = {\n QUIZ_TABLE: 'qd-quiz',\n ANALYSIS_TABLE: 'qd-analysis',\n TEST_LINK: 'quizPageBtn',\n} as const;\n\n/** Element IDs */\nexport const ELEMENT_IDS = {\n STATUS_PANEL: 'qd-status',\n} as const;\n\n/**\n * CSS selectors for DOM injection points\n *\n * These are default/reference values. Actual selectors are configurable\n * via SonarQuizConfig.statusPanelContainer option.\n *\n * @see SonarQuizConfig in src/index.ts\n */\nexport const INJECTION_SELECTORS = {\n /** Default navbar container for Oxygen WebHelp templates */\n NAVBAR_CONTAINER: '.wh_top_menu_and_indexterms_link',\n} as const;\n\n/** Validation limits */\nexport const LIMITS = {\n MAX_QUESTIONS_PER_PAGE: 100,\n MAX_CELL_CONTENT_LENGTH: 500,\n MAX_NAME_LENGTH: 100,\n MAX_SERVICE_ID_LENGTH: 10,\n} as const;\n","/**\n * Session Management Service\n *\n * Handles user session lifecycle, timeout management, and instructor mode.\n * Integrates with encrypted session storage for secure session data.\n */\n\nimport type {\n SessionData,\n SessionCache,\n ServiceId,\n ReleaseId,\n StudentRecord,\n PageCache,\n PageData,\n CompletionState,\n} from '../types/contracts.js';\nimport { STORAGE_KEYS, SESSION_TIMEOUT_MS } from '../types/contracts.js';\nimport { info, warn, error } from '../utils/logger.js';\nimport { isSessionExpired } from '../utils/calculation-helpers.js';\n\n/**\n * Session Service for managing user sessions\n */\nexport class SessionService {\n /**\n * Create a new session\n *\n * @param serviceId - Student service ID\n * @param name - Student name\n * @param release - Current release ID\n * @returns Created session data\n */\n createSession(serviceId: ServiceId, name: string, release: ReleaseId): SessionData {\n const now = new Date();\n const loginTime = now.toISOString();\n const expiresAt = new Date(now.getTime() + SESSION_TIMEOUT_MS).toISOString();\n\n const session: SessionData = {\n serviceId,\n name,\n release,\n loginTime,\n lastActivity: loginTime,\n expiresAt,\n instructorUnlocked: false,\n };\n\n this.saveSession(session);\n info(`Session created for ${serviceId} (${name})`);\n\n // Emit login event\n this.emitEvent('qd:login', { serviceId, name, release, loginTime });\n\n return session;\n }\n\n /**\n * Get the current session\n *\n * @returns Session data or null if no session exists\n */\n getSession(): SessionData | null {\n try {\n const sessionData = sessionStorage.getItem(STORAGE_KEYS.SESSION);\n if (!sessionData) {\n return null;\n }\n\n const session = JSON.parse(sessionData) as SessionData;\n\n // Validate required fields\n if (!session.serviceId || !session.release || !session.expiresAt) {\n warn('Invalid session data, missing required fields');\n return null;\n }\n\n return session;\n } catch (err) {\n error('Failed to parse session data', err as Error);\n return null;\n }\n }\n\n /**\n * Update last activity time and extend session expiry\n */\n updateActivity(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n const now = new Date();\n session.lastActivity = now.toISOString();\n session.expiresAt = new Date(now.getTime() + SESSION_TIMEOUT_MS).toISOString();\n\n this.saveSession(session);\n }\n\n /**\n * Check if the current session is expired\n *\n * @returns True if session is expired or doesn't exist\n */\n isExpired(): boolean {\n const session = this.getSession();\n if (!session) {\n return true;\n }\n\n return isSessionExpired(session.expiresAt);\n }\n\n /**\n * Clear the current session\n */\n clearSession(): void {\n const session = this.getSession();\n sessionStorage.removeItem(STORAGE_KEYS.SESSION);\n sessionStorage.removeItem(STORAGE_KEYS.CACHE);\n sessionStorage.removeItem(STORAGE_KEYS.INSTRUCTOR);\n\n // Clear instructor-specific state (FR-001)\n sessionStorage.removeItem('qd/instructor/showAnswers');\n\n if (session) {\n info(`Session cleared for ${session.serviceId}`);\n\n // Emit logout event\n this.emitEvent('qd:logout', {\n serviceId: session.serviceId,\n timestamp: new Date().toISOString(),\n });\n }\n }\n\n /**\n * Unlock instructor mode\n */\n unlockInstructor(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n session.instructorUnlocked = true;\n session.unlockTime = new Date().toISOString();\n\n this.saveSession(session);\n\n info('Instructor mode unlocked');\n\n // Emit custom event\n this.emitEvent('qd:instructor-unlock', { timestamp: session.unlockTime });\n }\n\n /**\n * Lock instructor mode\n */\n lockInstructor(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n session.instructorUnlocked = false;\n delete session.unlockTime;\n\n this.saveSession(session);\n\n info('Instructor mode locked');\n\n // Emit custom event\n this.emitEvent('qd:instructor-lock', { timestamp: new Date().toISOString() });\n }\n\n /**\n * Check if instructor mode is unlocked\n *\n * @returns True if instructor mode is unlocked\n */\n isInstructorUnlocked(): boolean {\n const session = this.getSession();\n return session?.instructorUnlocked === true;\n }\n\n /**\n * Get session cache from sessionStorage\n *\n * @returns Session cache or null if not found\n */\n getCache(): SessionCache | null {\n try {\n const cacheData = sessionStorage.getItem(STORAGE_KEYS.CACHE);\n if (!cacheData) {\n return null;\n }\n\n return JSON.parse(cacheData) as SessionCache;\n } catch (err) {\n error('Failed to parse cache data', err);\n return null;\n }\n }\n\n /**\n * Save session cache to sessionStorage\n *\n * @param cache - Cache data to save\n */\n saveCache(cache: SessionCache): void {\n try {\n sessionStorage.setItem(STORAGE_KEYS.CACHE, JSON.stringify(cache));\n } catch (err) {\n error('Failed to save cache', err);\n }\n }\n\n /**\n * Clear the session cache\n */\n clearCache(): void {\n sessionStorage.removeItem(STORAGE_KEYS.CACHE);\n }\n\n /**\n * Save session to sessionStorage\n *\n * @param session - Session data to save\n */\n private saveSession(session: SessionData): void {\n try {\n sessionStorage.setItem(STORAGE_KEYS.SESSION, JSON.stringify(session));\n } catch (err) {\n error('Failed to save session', err);\n }\n }\n\n /**\n * Emit a custom event\n *\n * @param eventName - Name of the event\n * @param detail - Event detail data\n */\n private emitEvent(eventName: string, detail: unknown): void {\n try {\n const event = new CustomEvent(eventName, { detail, bubbles: true });\n document.dispatchEvent(event);\n } catch (err) {\n error(`Failed to emit event ${eventName}`, err);\n }\n }\n}\n\n// ============================================================================\n// CACHE BUILDING UTILITIES\n// ============================================================================\n\n/**\n * Build session cache from a student record\n *\n * This creates a SessionCache structure that provides quick access to\n * page states and totals without querying IndexedDB.\n *\n * @param record - Student record to build cache from\n * @returns Session cache with totals and page entries\n */\nexport function buildCacheFromRecord(record: StudentRecord): SessionCache {\n const cache: SessionCache = {\n totals: {\n total: 0,\n answered: 0,\n correct: 0,\n },\n pages: {},\n };\n\n // Build cache entry for each page\n for (const [pageId, pageData] of Object.entries(record.pages)) {\n const pageCache = buildPageCache(pageId, pageData);\n cache.pages[pageId] = pageCache;\n\n // Accumulate totals\n cache.totals.total += pageCache.total;\n cache.totals.answered += pageCache.answered;\n cache.totals.correct += pageCache.correct;\n }\n\n return cache;\n}\n\n/**\n * Build a page cache entry from page data\n *\n * @param _pageId - Page identifier (unused, kept for API consistency)\n * @param pageData - Page data from student record\n * @returns Page cache entry\n */\nexport function buildPageCache(_pageId: string, pageData: PageData): PageCache {\n // Total is the length of answers array (includes empty/placeholder answers)\n const total = pageData.answers.length;\n const answered = pageData.answers.filter((a) => a.answer.trim() !== '').length;\n const correct = pageData.answers.filter((a) => a.success).length;\n\n return {\n state: pageData.state,\n total,\n answered,\n correct,\n last: pageData.lastAttempted,\n answers: pageData.answers,\n analysis: pageData.analysis, // Preserve analysis data from analysis tables\n };\n}\n\n/**\n * Register page questions in cache\n *\n * Called when a quiz page loads to register the total number of questions.\n * This ensures the status panel shows total registered questions, not just answered.\n *\n * @param cache - Current cache to update\n * @param pageId - Page identifier\n * @param totalQuestions - Total number of questions on the page\n * @returns Updated cache\n */\nexport function registerPageQuestions(\n cache: SessionCache,\n pageId: string,\n totalQuestions: number,\n): SessionCache {\n // Get existing page cache or create new one\n const existingPage = cache.pages[pageId];\n\n // If page already registered with same or higher total, don't update\n if (existingPage && existingPage.total >= totalQuestions) {\n return cache;\n }\n\n // Calculate delta for totals update\n const oldTotal = existingPage?.total || 0;\n const delta = totalQuestions - oldTotal;\n\n // Create/update page entry\n const updatedPage: PageCache = {\n state: existingPage?.state || ('unstarted' as const),\n total: totalQuestions,\n answered: existingPage?.answered || 0,\n correct: existingPage?.correct || 0,\n last: existingPage?.last,\n answers: existingPage?.answers,\n analysis: existingPage?.analysis,\n };\n\n return {\n totals: {\n total: cache.totals.total + delta,\n answered: cache.totals.answered,\n correct: cache.totals.correct,\n },\n pages: {\n ...cache.pages,\n [pageId]: updatedPage,\n },\n };\n}\n\n/**\n * Update cache with a new answer\n *\n * This incrementally updates the cache when a new answer is submitted,\n * avoiding the need to rebuild the entire cache.\n *\n * @param cache - Current cache to update\n * @param pageId - Page where answer was submitted\n * @param isCorrect - Whether the answer is correct\n * @param newState - New completion state for the page\n * @returns Updated cache\n */\nexport function updateCacheWithAnswer(\n cache: SessionCache,\n pageId: string,\n isCorrect: boolean,\n newState: CompletionState,\n): SessionCache {\n const now = new Date().toISOString();\n\n // Get or create page entry\n const pageCache = cache.pages[pageId] || {\n state: 'incomplete' as const,\n total: 0,\n answered: 0,\n correct: 0,\n };\n\n // Update page counts\n const updatedPage: PageCache = {\n ...pageCache,\n state: newState,\n answered: pageCache.answered + 1,\n correct: pageCache.correct + (isCorrect ? 1 : 0),\n last: now,\n };\n\n // Update totals\n const updatedTotals = {\n total: cache.totals.total,\n answered: cache.totals.answered + 1,\n correct: cache.totals.correct + (isCorrect ? 1 : 0),\n };\n\n return {\n totals: updatedTotals,\n pages: {\n ...cache.pages,\n [pageId]: updatedPage,\n },\n };\n}\n\n// ============================================================================\n// SINGLETON PATTERN\n// ============================================================================\n\n/**\n * Create and return a singleton instance of the session service\n */\nlet sessionInstance: SessionService | null = null;\n\nexport function getSessionService(): SessionService {\n if (!sessionInstance) {\n sessionInstance = new SessionService();\n }\n return sessionInstance;\n}\n\n/**\n * Reset the singleton instance (useful for testing)\n */\nexport function resetSessionService(): void {\n sessionInstance = null;\n}\n","/**\n * Calculation Helpers\n *\n * Pure functions for status indicators, percentages, and totals.\n * Feature: 007-lit-component-refactor\n *\n * These functions have no side effects and no DOM dependencies,\n * making them easy to unit test.\n */\n\nimport type { PageData, PageId } from '../types/contracts';\n\n/**\n * Status indicator values for R/A/G progress display.\n */\nexport type StatusIndicator = 'red' | 'amber' | 'green';\n\n/**\n * Calculates R/A/G status indicator from quiz totals.\n *\n * @param total - Total number of questions\n * @param correct - Number of correct answers\n * @returns 'green' if all correct, 'red' if none, 'amber' otherwise\n */\nexport function calculateStatusIndicator(total: number, correct: number): StatusIndicator {\n if (total === 0 || correct === 0) {\n return 'red';\n }\n if (correct === total) {\n return 'green';\n }\n return 'amber';\n}\n\n/**\n * Calculates percentage with safe division.\n *\n * @param correct - Numerator (correct count)\n * @param attempted - Denominator (attempted count)\n * @returns Rounded percentage (0 if attempted is 0)\n */\nexport function calculatePercentage(correct: number, attempted: number): number {\n if (attempted === 0) {\n return 0;\n }\n return Math.round((correct / attempted) * 100);\n}\n\n/**\n * Totals calculated from page data.\n */\nexport interface RecalculatedTotals {\n attempted: number;\n correct: number;\n}\n\n/**\n * Recalculates totals from all pages in a student record.\n * Only counts answers with non-empty answer strings (excludes placeholder entries).\n *\n * @param pages - Record of page ID to page data\n * @returns Aggregated attempted and correct counts\n */\nexport function recalculateTotalsFromPages(pages: Record): RecalculatedTotals {\n let attempted = 0;\n let correct = 0;\n\n for (const pageId in pages) {\n const pageData = pages[pageId];\n if (pageData && pageData.answers && Array.isArray(pageData.answers)) {\n // Filter to only non-empty answers (matches storage-service.ts behavior)\n const answered = pageData.answers.filter((a) => a.answer.trim() !== '');\n attempted += answered.length;\n correct += answered.filter((a) => a.success).length;\n }\n }\n\n return { attempted, correct };\n}\n\n/**\n * Checks if a session has expired.\n *\n * @param expiresAt - ISO 8601 expiration timestamp\n * @param now - Current time (defaults to new Date())\n * @returns True if session has expired\n */\nexport function isSessionExpired(expiresAt: string, now: Date = new Date()): boolean {\n const expiryDate = new Date(expiresAt);\n // Invalid date -> treat as expired\n if (isNaN(expiryDate.getTime())) {\n return true;\n }\n return now >= expiryDate;\n}\n\n/**\n * Masks a service ID for display (shows last N digits).\n *\n * @param serviceId - Full service ID\n * @param visibleDigits - Number of digits to show (default 4)\n * @returns Masked string like \"...1234\"\n */\nexport function maskServiceId(serviceId: string, visibleDigits: number = 4): string {\n if (!serviceId) {\n return '';\n }\n if (serviceId.length <= visibleDigits) {\n return serviceId;\n }\n if (visibleDigits === 0) {\n return '...';\n }\n return '...' + serviceId.slice(-visibleDigits);\n}\n","/**\n * Date formatting utilities for consistent timestamp display across the application.\n * Provides both display formatting (24-hour, month/date/time) and CSV export formatting (ISO 8601).\n */\n\n/**\n * Format options for timestamp display\n */\nexport type TimestampFormat = 'display' | 'csv';\n\n/**\n * Format a date for display in the instructor interface\n * @param date - Date to format\n * @returns Formatted string in \"Nov 19 14:23\" or \"11/19 14:23:45\" format (24-hour time)\n */\nfunction formatDisplayTimestamp(date: Date): string {\n // Use short month name format: \"Nov 19 14:23\"\n const month = date.toLocaleDateString('en-US', { month: 'short' });\n const day = date.getDate();\n const hours = date.getHours().toString().padStart(2, '0');\n const minutes = date.getMinutes().toString().padStart(2, '0');\n\n return `${month} ${day} ${hours}:${minutes}`;\n}\n\n/**\n * Format a date for CSV export\n * @param date - Date to format\n * @returns ISO 8601 formatted string for spreadsheet compatibility\n */\nfunction formatCSVTimestamp(date: Date): string {\n return date.toISOString();\n}\n\n/**\n * Main timestamp formatting function\n * @param date - Date to format (can be Date object or ISO string)\n * @param format - Format type ('display' for UI, 'csv' for export)\n * @returns Formatted timestamp string\n */\nexport function formatTimestamp(date: Date | string, format: TimestampFormat = 'display'): string {\n // Handle null/undefined\n if (date == null) {\n console.warn('Invalid date provided to formatTimestamp:', date);\n return 'Invalid Date';\n }\n\n const dateObj = typeof date === 'string' ? new Date(date) : date;\n\n // Validate date\n if (isNaN(dateObj.getTime())) {\n console.warn('Invalid date provided to formatTimestamp:', date);\n return 'Invalid Date';\n }\n\n return format === 'csv' ? formatCSVTimestamp(dateObj) : formatDisplayTimestamp(dateObj);\n}\n\n/**\n * Parse an ISO 8601 timestamp from storage and format for display\n * @param isoString - ISO 8601 timestamp string from IndexedDB\n * @returns Formatted display string\n */\nexport function formatStoredTimestamp(isoString: string): string {\n return formatTimestamp(isoString, 'display');\n}\n\n/**\n * Get current timestamp in ISO 8601 format for storage\n * @returns Current time as ISO 8601 string\n */\nexport function getCurrentTimestamp(): string {\n return new Date().toISOString();\n}\n","/**\n * Debouncer utility for delaying function execution\n *\n * Provides centralized debounce timer management, replacing the WeakMap pattern\n * used in the original implementation. Saves ~22 lines of duplicated code.\n *\n * @example\n * ```typescript\n * const debouncer = new Debouncer();\n *\n * // Debounce save operation\n * function handleInput(value: string) {\n * debouncer.debounce('save-answer', () => {\n * saveToDatabase(value);\n * }, 200);\n * }\n * ```\n */\n\n/**\n * Debouncer class for managing delayed function calls\n *\n * Maintains a map of timers indexed by key, allowing multiple independent\n * debounced operations.\n */\nexport class Debouncer {\n private timers = new Map>();\n\n /**\n * Debounce a function call\n *\n * If called multiple times with the same key, only the last call will execute\n * after the delay period.\n *\n * @param key - Unique identifier for this debounced operation\n * @param fn - Function to execute after delay\n * @param delay - Delay in milliseconds (default: 200ms)\n *\n * @example\n * ```typescript\n * const debouncer = new Debouncer();\n *\n * // Called multiple times rapidly\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * // Only logs \"Saved!\" once after 500ms\n * ```\n */\n debounce(key: string, fn: () => void, delay = 200): void {\n // Cancel existing timer if present\n const existing = this.timers.get(key);\n if (existing !== undefined) {\n clearTimeout(existing);\n }\n\n // Set new timer\n const timer = setTimeout(() => {\n this.timers.delete(key);\n fn();\n }, delay);\n\n this.timers.set(key, timer);\n }\n\n /**\n * Cancel a specific debounced operation\n *\n * @param key - Key of the operation to cancel\n * @returns true if a timer was cancelled, false if no timer existed\n */\n cancel(key: string): boolean {\n const timer = this.timers.get(key);\n if (timer !== undefined) {\n clearTimeout(timer);\n this.timers.delete(key);\n return true;\n }\n return false;\n }\n\n /**\n * Cancel all pending debounced operations\n *\n * @returns Number of timers that were cancelled\n */\n cancelAll(): number {\n let count = 0;\n for (const timer of this.timers.values()) {\n clearTimeout(timer);\n count++;\n }\n this.timers.clear();\n return count;\n }\n\n /**\n * Check if a debounced operation is pending\n *\n * @param key - Key to check\n * @returns true if a timer is active for this key\n */\n isPending(key: string): boolean {\n return this.timers.has(key);\n }\n\n /**\n * Get count of pending operations\n *\n * @returns Number of active timers\n */\n getPendingCount(): number {\n return this.timers.size;\n }\n}\n","/**\n * DOM helper utilities\n *\n * Provides type-safe DOM query and manipulation helpers, eliminating\n * repetitive querySelector patterns. Saves ~80 lines of duplicated code.\n *\n * All functions use textContent instead of innerHTML to prevent XSS vulnerabilities.\n */\n\n/**\n * Get all rows from a table body\n *\n * @param table - Table element\n * @returns Array of table row elements\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-quiz');\n * if (table instanceof HTMLTableElement) {\n * const rows = getTableRows(table);\n * console.log(`Table has ${rows.length} rows`);\n * }\n * ```\n */\nexport function getTableRows(table: HTMLTableElement): HTMLTableRowElement[] {\n const tbody = table.querySelector('tbody');\n if (!tbody) {\n return [];\n }\n return Array.from(tbody.querySelectorAll('tr'));\n}\n\n/**\n * Get all cells from a table row\n *\n * @param row - Table row element\n * @returns Array of table cell elements\n *\n * @example\n * ```typescript\n * const row = table.querySelector('tr');\n * if (row instanceof HTMLTableRowElement) {\n * const cells = getRowCells(row);\n * console.log(`Row has ${cells.length} cells`);\n * }\n * ```\n */\nexport function getRowCells(row: HTMLTableRowElement): HTMLTableCellElement[] {\n return Array.from(row.cells);\n}\n\n/**\n * Get trimmed text content from an element\n *\n * Returns empty string if element is null or has no text content.\n *\n * @param element - Element to get text from\n * @returns Trimmed text content\n *\n * @example\n * ```typescript\n * const cell = row.cells[0];\n * const text = getTextContent(cell);\n * console.log('Cell text:', text);\n * ```\n */\nexport function getTextContent(element: Element | null): string {\n if (!element) {\n return '';\n }\n return element.textContent?.trim() || '';\n}\n\n/**\n * Set text content on an element (XSS-safe)\n *\n * Uses textContent instead of innerHTML to prevent XSS attacks.\n *\n * @param element - Element to set text on\n * @param text - Text content to set\n *\n * @example\n * ```typescript\n * const div = document.createElement('div');\n * setTextContent(div, 'Safe text content');\n * ```\n */\nexport function setTextContent(element: Element, text: string): void {\n element.textContent = text;\n}\n\n/**\n * Create an element with optional text and class name (XSS-safe)\n *\n * Uses textContent instead of innerHTML for XSS protection.\n *\n * @param tag - HTML tag name\n * @param text - Optional text content\n * @param className - Optional class name\n * @returns Created element\n *\n * @example\n * ```typescript\n * const div = createElement('div', 'Hello, World!', 'greeting');\n * document.body.appendChild(div);\n * ```\n */\nexport function createElement(\n tag: K,\n text?: string,\n className?: string,\n): HTMLElementTagNameMap[K] {\n const element = document.createElement(tag);\n\n if (text !== undefined) {\n element.textContent = text;\n }\n\n if (className !== undefined) {\n element.className = className;\n }\n\n return element;\n}\n\n/**\n * Create multiple child elements and append to parent (XSS-safe)\n *\n * @param parent - Parent element\n * @param children - Array of child elements to append\n *\n * @example\n * ```typescript\n * const div = createElement('div');\n * appendChildren(div, [\n * createElement('span', 'First'),\n * createElement('span', 'Second'),\n * ]);\n * ```\n */\nexport function appendChildren(parent: Element, children: Element[]): void {\n for (const child of children) {\n parent.appendChild(child);\n }\n}\n\n/**\n * Query selector with type safety\n *\n * @param selector - CSS selector\n * @param parent - Parent element (default: document)\n * @returns Element or null\n *\n * @example\n * ```typescript\n * const table = querySelector('table.qd-quiz');\n * if (table) {\n * const rows = getTableRows(table);\n * }\n * ```\n */\nexport function querySelector(\n selector: string,\n parent: ParentNode = document,\n): T | null {\n return parent.querySelector(selector);\n}\n\n/**\n * Query selector all with type safety\n *\n * @param selector - CSS selector\n * @param parent - Parent element (default: document)\n * @returns Array of elements\n *\n * @example\n * ```typescript\n * const tables = querySelectorAll('table.qd-quiz');\n * console.log(`Found ${tables.length} quiz tables`);\n * ```\n */\nexport function querySelectorAll(\n selector: string,\n parent: ParentNode = document,\n): T[] {\n return Array.from(parent.querySelectorAll(selector));\n}\n\n/**\n * Get element by ID with type safety\n *\n * @param id - Element ID\n * @returns Element or null\n *\n * @example\n * ```typescript\n * const status = getElementById('qd-status');\n * if (status) {\n * status.style.display = 'block';\n * }\n * ```\n */\nexport function getElementById(id: string): T | null {\n const element = document.getElementById(id);\n return element as T | null;\n}\n\n/**\n * Remove all children from an element\n *\n * @param element - Element to clear\n *\n * @example\n * ```typescript\n * const container = getElementById('results');\n * if (container) {\n * removeAllChildren(container);\n * }\n * ```\n */\nexport function removeAllChildren(element: Element): void {\n while (element.firstChild) {\n element.removeChild(element.firstChild);\n }\n}\n\n/**\n * Replace all children of an element with new children\n *\n * @param element - Element to update\n * @param children - New children to add\n *\n * @example\n * ```typescript\n * const container = getElementById('results');\n * if (container) {\n * replaceChildren(container, [\n * createElement('div', 'Result 1'),\n * createElement('div', 'Result 2'),\n * ]);\n * }\n * ```\n */\nexport function replaceChildren(element: Element, children: Element[]): void {\n removeAllChildren(element);\n appendChildren(element, children);\n}\n\n/**\n * Check if element has a specific class\n *\n * @param element - Element to check\n * @param className - Class name to look for\n * @returns true if element has the class\n */\nexport function hasClass(element: Element, className: string): boolean {\n return element.classList.contains(className);\n}\n\n/**\n * Add one or more classes to an element\n *\n * @param element - Element to modify\n * @param classNames - Class names to add\n */\nexport function addClass(element: Element, ...classNames: string[]): void {\n element.classList.add(...classNames);\n}\n\n/**\n * Remove one or more classes from an element\n *\n * @param element - Element to modify\n * @param classNames - Class names to remove\n */\nexport function removeClass(element: Element, ...classNames: string[]): void {\n element.classList.remove(...classNames);\n}\n\n/**\n * Toggle a class on an element\n *\n * @param element - Element to modify\n * @param className - Class name to toggle\n * @returns true if class was added, false if removed\n */\nexport function toggleClass(element: Element, className: string): boolean {\n return element.classList.toggle(className);\n}\n","/**\n * Event helper utilities\n *\n * Provides type-safe custom event emission and handling, with consistent\n * configuration for bubbling and composition. Saves ~8 lines per event emission.\n */\n\nimport type { QuizEvents } from '../types/contracts.js';\n\n/**\n * Emit a custom event on the document\n *\n * Events bubble by default and are composed (cross shadow DOM boundaries).\n *\n * @param name - Event name (should use 'qd:' namespace)\n * @param detail - Event detail data\n * @param options - Optional event configuration\n *\n * @example\n * ```typescript\n * // Emit login event\n * emitCustomEvent('qd:login', {\n * serviceId: 'RN2344',\n * name: 'John Doe',\n * loginTime: new Date().toISOString(),\n * });\n * ```\n */\nexport function emitCustomEvent(\n name: K,\n detail: QuizEvents[K]['detail'],\n options?: {\n bubbles?: boolean;\n composed?: boolean;\n cancelable?: boolean;\n },\n): boolean {\n const event = new CustomEvent(name, {\n detail,\n bubbles: options?.bubbles ?? true,\n composed: options?.composed ?? true,\n cancelable: options?.cancelable ?? false,\n });\n\n return document.dispatchEvent(event);\n}\n\n/**\n * Add event listener for custom event\n *\n * @param name - Event name\n * @param handler - Event handler function\n * @param options - Optional event listener options\n *\n * @example\n * ```typescript\n * // Listen for login events\n * const unsubscribe = addEventListener('qd:login', (event) => {\n * console.log('User logged in:', event.detail.serviceId);\n * });\n *\n * // Later: remove listener\n * unsubscribe();\n * ```\n */\nexport function addEventListener(\n name: K,\n handler: (event: CustomEvent) => void,\n options?: AddEventListenerOptions,\n): () => void {\n const listener = handler as EventListener;\n document.addEventListener(name, listener, options);\n\n // Return unsubscribe function\n return () => {\n document.removeEventListener(name, listener, options);\n };\n}\n\n/**\n * Remove event listener for custom event\n *\n * @param name - Event name\n * @param handler - Event handler function\n * @param options - Optional event listener options\n *\n * @example\n * ```typescript\n * function handleLogin(event) {\n * console.log('Logged in:', event.detail.serviceId);\n * }\n *\n * addEventListener('qd:login', handleLogin);\n * // Later...\n * removeEventListener('qd:login', handleLogin);\n * ```\n */\nexport function removeEventListener(\n name: K,\n handler: (event: CustomEvent) => void,\n options?: EventListenerOptions,\n): void {\n const listener = handler as EventListener;\n document.removeEventListener(name, listener, options);\n}\n\n/**\n * Add one-time event listener that auto-removes after first trigger\n *\n * @param name - Event name\n * @param handler - Event handler function\n *\n * @example\n * ```typescript\n * // Wait for login, then perform action once\n * addEventListenerOnce('qd:login', (event) => {\n * console.log('First login detected');\n * });\n * ```\n */\nexport function addEventListenerOnce(\n name: K,\n handler: (event: CustomEvent) => void,\n): void {\n const listener = handler as EventListener;\n document.addEventListener(name, listener, { once: true });\n}\n\n/**\n * Wait for a specific event to occur\n *\n * Returns a promise that resolves when the event is emitted.\n *\n * @param name - Event name to wait for\n * @param timeout - Optional timeout in milliseconds\n * @returns Promise that resolves with event detail\n *\n * @example\n * ```typescript\n * // Wait for login\n * const session = await waitForEvent('qd:login', 5000);\n * console.log('User logged in:', session.serviceId);\n * ```\n */\nexport function waitForEvent(\n name: K,\n timeout?: number,\n): Promise {\n return new Promise((resolve, reject) => {\n let timeoutId: ReturnType | undefined;\n\n const handler = (event: Event) => {\n if (timeoutId !== undefined) {\n clearTimeout(timeoutId);\n }\n const customEvent = event as CustomEvent;\n resolve(customEvent.detail);\n };\n\n document.addEventListener(name, handler, { once: true });\n\n if (timeout !== undefined) {\n timeoutId = setTimeout(() => {\n document.removeEventListener(name, handler);\n reject(new Error(`Timeout waiting for event: ${name}`));\n }, timeout);\n }\n });\n}\n\n/**\n * Dispatch event on a specific element\n *\n * @param element - Element to dispatch event on\n * @param name - Event name\n * @param detail - Event detail\n * @param options - Optional event configuration\n *\n * @example\n * ```typescript\n * const button = document.querySelector('button');\n * if (button) {\n * dispatchEventOn(button, 'qd:custom', { data: 'test' });\n * }\n * ```\n */\nexport function dispatchEventOn(\n element: Element,\n name: string,\n detail: T,\n options?: {\n bubbles?: boolean;\n composed?: boolean;\n cancelable?: boolean;\n },\n): boolean {\n const event = new CustomEvent(name, {\n detail,\n bubbles: options?.bubbles ?? true,\n composed: options?.composed ?? true,\n cancelable: options?.cancelable ?? false,\n });\n\n return element.dispatchEvent(event);\n}\n","/**\n * Storage helper utilities\n *\n * Provides type-safe JSON storage operations for sessionStorage,\n * replacing repetitive try-catch JSON.parse patterns. Saves ~54 lines\n * of duplicated code.\n */\n\nimport { warn } from './logger.js';\n\n/**\n * Get and parse JSON data from sessionStorage\n *\n * @param key - Storage key\n * @returns Parsed object of type T, or null if not found or invalid\n *\n * @example\n * ```typescript\n * interface SessionData {\n * userId: string;\n * loginTime: string;\n * }\n *\n * const session = getJSON('qd/session');\n * if (session) {\n * console.log('User ID:', session.userId);\n * }\n * ```\n */\nexport function getJSON(key: string): T | null {\n try {\n const data = sessionStorage.getItem(key);\n if (!data) {\n return null;\n }\n return JSON.parse(data) as T;\n } catch (error) {\n warn(`Failed to parse JSON from sessionStorage key: ${key}`, error);\n return null;\n }\n}\n\n/**\n * Stringify and store JSON data in sessionStorage\n *\n * @param key - Storage key\n * @param value - Data to store\n * @returns true if successful, false if failed\n *\n * @example\n * ```typescript\n * const session = {\n * userId: 'RN2344',\n * loginTime: new Date().toISOString(),\n * };\n *\n * setJSON('qd/session', session);\n * ```\n */\nexport function setJSON(key: string, value: T): boolean {\n try {\n const json = JSON.stringify(value);\n sessionStorage.setItem(key, json);\n return true;\n } catch (error) {\n warn(`Failed to store JSON in sessionStorage key: ${key}`, error);\n return false;\n }\n}\n\n/**\n * Remove item from sessionStorage\n *\n * @param key - Storage key to remove\n */\nexport function removeItem(key: string): void {\n sessionStorage.removeItem(key);\n}\n\n/**\n * Check if key exists in sessionStorage\n *\n * @param key - Storage key to check\n * @returns true if key exists\n */\nexport function hasItem(key: string): boolean {\n return sessionStorage.getItem(key) !== null;\n}\n\n/**\n * Clear all quiz data from sessionStorage\n *\n * Only removes keys with 'qd/' prefix, leaving other data intact.\n *\n * @returns Number of items cleared\n *\n * @example\n * ```typescript\n * // Clear all quiz-related session data\n * const cleared = clearQuizData();\n * console.log(`Cleared ${cleared} items`);\n * ```\n */\nexport function clearQuizData(): number {\n const keysToRemove: string[] = [];\n\n // Find all keys with 'qd/' prefix\n for (let i = 0; i < sessionStorage.length; i++) {\n const key = sessionStorage.key(i);\n if (key && key.startsWith('qd/')) {\n keysToRemove.push(key);\n }\n }\n\n // Remove found keys\n for (const key of keysToRemove) {\n sessionStorage.removeItem(key);\n }\n\n return keysToRemove.length;\n}\n\n/**\n * Get all quiz data keys from sessionStorage\n *\n * @returns Array of keys with 'qd/' prefix\n */\nexport function getQuizDataKeys(): string[] {\n const keys: string[] = [];\n\n for (let i = 0; i < sessionStorage.length; i++) {\n const key = sessionStorage.key(i);\n if (key && key.startsWith('qd/')) {\n keys.push(key);\n }\n }\n\n return keys;\n}\n\n/**\n * Clear all sessionStorage data\n *\n * Use with caution - clears everything, not just quiz data.\n */\nexport function clearAll(): void {\n sessionStorage.clear();\n}\n","/**\n * Storage Adapter Utilities\n *\n * Provides utility functions for working with storage keys, validation,\n * and error types for the storage layer.\n *\n * Storage Key Format: qd/{release}/u{serviceId}\n * Example: qd/11-2024/uRN2344\n */\n\nimport type { StudentRecord, ReleaseId, ServiceId } from '../../types/contracts.js';\nimport { error as logError } from '../../utils/logger.js';\n\n/**\n * Generate storage key for a student record\n *\n * Format: qd/{release}/u{serviceId}\n *\n * @param release - Release identifier (e.g., \"01-2025\")\n * @param serviceId - Service ID (e.g., \"RN2344\")\n * @returns Storage key string\n *\n * @example\n * ```typescript\n * const key = getStorageKey('11-2024', 'RN2344');\n * // Returns: \"qd/11-2024/uRN2344\"\n * ```\n */\nexport function getStorageKey(release: ReleaseId, serviceId: ServiceId): string {\n return `qd/${release}/u${serviceId}`;\n}\n\n/**\n * Parse a storage key back into its components\n *\n * @param key - Storage key to parse\n * @returns Object with release and serviceId, or null if invalid\n *\n * @example\n * ```typescript\n * const parts = parseStorageKey('qd/11-2024/uRN2344');\n * // Returns: { release: '11-2024', serviceId: 'RN2344' }\n * ```\n */\nexport function parseStorageKey(key: string): { release: ReleaseId; serviceId: ServiceId } | null {\n const match = key.match(/^qd\\/([^/]+)\\/u(.+)$/);\n if (!match || !match[1] || !match[2]) {\n return null;\n }\n return {\n release: match[1],\n serviceId: match[2],\n };\n}\n\n/**\n * Validate release ID format (MM-YYYY)\n *\n * @param release - Release ID to validate\n * @returns True if valid, false otherwise\n *\n * @example\n * ```typescript\n * isValidReleaseId('11-2024'); // true\n * isValidReleaseId('2024-11'); // false\n * isValidReleaseId('13-2024'); // false (month > 12)\n * ```\n */\nexport function isValidReleaseId(release: string): boolean {\n const match = release.match(/^(\\d{2})-(\\d{4})$/);\n if (!match || !match[1] || !match[2]) {\n return false;\n }\n\n // Validate month range (01-12)\n const month = parseInt(match[1], 10);\n return month >= 1 && month <= 12;\n}\n\n/**\n * Validate service ID format (2-10 alphanumeric characters)\n *\n * @param serviceId - Service ID to validate\n * @returns True if valid, false otherwise\n *\n * @example\n * ```typescript\n * isValidServiceId('RN2344'); // true\n * isValidServiceId('AB'); // true (minimum 2 chars)\n * isValidServiceId('A'); // false (too short)\n * isValidServiceId('ABCDEFGHIJK'); // false (too long)\n * ```\n */\nexport function isValidServiceId(serviceId: string): boolean {\n return /^[A-Za-z0-9]{2,10}$/.test(serviceId);\n}\n\n/**\n * Create a default empty StudentRecord\n *\n * @param release - Release identifier\n * @param serviceId - Service identifier\n * @param name - Student name\n * @param docId - Document identifier\n * @returns New StudentRecord with default values\n *\n * @example\n * ```typescript\n * const record = createEmptyStudentRecord('11-2024', 'RN2344', 'Alice Student', 'doc-123');\n * // Returns StudentRecord with empty pages, 0 scores, current timestamp\n * ```\n */\nexport function createEmptyStudentRecord(\n release: ReleaseId,\n serviceId: ServiceId,\n name: string,\n docId: string,\n): StudentRecord {\n return {\n schema: 1,\n docId,\n release,\n serviceId,\n name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n}\n\n/**\n * Storage adapter error types\n */\nexport class StorageError extends Error {\n constructor(\n message: string,\n public readonly operation: string,\n public readonly cause?: Error,\n ) {\n super(message);\n this.name = 'StorageError';\n\n // Log error for debugging\n if (cause) {\n logError(`Storage error in ${operation}: ${message}`, cause);\n } else {\n logError(`Storage error in ${operation}: ${message}`);\n }\n }\n}\n\n/**\n * Error thrown when storage is not initialized\n */\nexport class StorageNotInitializedError extends StorageError {\n constructor(operation: string) {\n super('Storage adapter not initialized. Call init() first.', operation);\n this.name = 'StorageNotInitializedError';\n }\n}\n\n/**\n * Error thrown when a storage operation times out\n */\nexport class StorageTimeoutError extends StorageError {\n constructor(operation: string, timeout: number) {\n super(`Storage operation timed out after ${timeout}ms`, operation);\n this.name = 'StorageTimeoutError';\n }\n}\n\n/**\n * Error thrown when storage quota is exceeded\n */\nexport class StorageQuotaError extends StorageError {\n constructor(operation: string) {\n super('Storage quota exceeded. Please clear old data or free up space.', operation);\n this.name = 'StorageQuotaError';\n }\n}\n","/**\n * IndexedDB Storage Adapter Implementation\n *\n * Provides persistent storage for student records using browser IndexedDB.\n * Implements atomic transactions and proper error handling.\n *\n * Database: Configured via #qd-db-name element (REQUIRED)\n * Stores: students (main data), backups (backup copies)\n * Keys: qd/{release}/u{serviceId}\n */\n\nimport type {\n StorageAdapter,\n StudentRecord,\n ReleaseId,\n ServiceId,\n PinResetEvent,\n} from '../../types/contracts.js';\nimport {\n getStorageKey,\n StorageNotInitializedError,\n StorageError,\n StorageQuotaError,\n} from './adapter-utils.js';\nimport { warn as logWarn, error as logError } from '../../utils/logger.js';\n\n// NOTE: No default database name - must be provided by caller\n\n/** Database version - increment to force schema upgrade */\nconst DB_VERSION = 3;\n\n/** Object store names */\nconst STORE_STUDENTS = 'students';\nconst STORE_BACKUPS = 'backups';\nconst STORE_AUDIT_LOG = 'auditLog';\n\n/**\n * Backup record with metadata\n */\ninterface BackupRecord extends StudentRecord {\n /** Original storage key */\n originalKey: string;\n /** Backup timestamp */\n timestamp: string;\n}\n\n/**\n * IndexedDB implementation of StorageAdapter\n *\n * Features:\n * - Automatic schema creation with indexes\n * - Atomic transactions\n * - Quota error handling\n * - Backup functionality\n */\nexport class IndexedDBStorageAdapter implements StorageAdapter {\n private db: IDBDatabase | null = null;\n private initPromise: Promise | null = null;\n private dbName: string;\n\n /**\n * Create a new IndexedDB storage adapter\n *\n * @param dbName - Database name (REQUIRED - no default)\n */\n constructor(dbName: string) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for IndexedDBStorageAdapter');\n }\n this.dbName = dbName;\n }\n\n /**\n * Initialize the IndexedDB database\n *\n * Creates object stores and indexes on first run.\n * Safe to call multiple times - will reuse existing connection.\n *\n * @returns Promise that resolves when database is ready\n */\n async init(): Promise {\n // Return existing initialization promise if already in progress\n if (this.initPromise) {\n return this.initPromise;\n }\n\n // If already initialized, return immediately\n if (this.db) {\n return Promise.resolve();\n }\n\n this.initPromise = new Promise((resolve, reject) => {\n // Timeout for hung database operations\n const OPEN_TIMEOUT_MS = 5000;\n let timeoutId: number | undefined;\n let resolved = false;\n\n const cleanup = () => {\n if (timeoutId) {\n clearTimeout(timeoutId);\n timeoutId = undefined;\n }\n };\n\n timeoutId = window.setTimeout(() => {\n if (resolved) return;\n resolved = true;\n this.initPromise = null;\n\n logWarn(`IndexedDB open timed out after ${OPEN_TIMEOUT_MS}ms - attempting recovery`);\n\n // Try to delete and recreate\n const deleteReq = indexedDB.deleteDatabase(this.dbName);\n deleteReq.onsuccess = () => {\n this.init().then(resolve).catch(reject);\n };\n deleteReq.onerror = () => {\n reject(\n new StorageError(\n `Database \"${this.dbName}\" appears corrupted. Please clear site data in browser settings.`,\n 'init',\n ),\n );\n };\n deleteReq.onblocked = () => {\n reject(\n new StorageError(\n `Cannot recover database - close all other tabs with this site and reload.`,\n 'init',\n ),\n );\n };\n }, OPEN_TIMEOUT_MS);\n\n const request = indexedDB.open(this.dbName, DB_VERSION);\n\n request.onerror = () => {\n if (resolved) return;\n resolved = true;\n cleanup();\n logError(`IndexedDB open error: ${request.error?.message || 'unknown'}`);\n this.initPromise = null;\n reject(new StorageError('Failed to open database', 'init', request.error as Error));\n };\n\n request.onblocked = () => {\n logWarn('IndexedDB open blocked - close other tabs with this database');\n };\n\n request.onsuccess = () => {\n if (resolved) return;\n resolved = true;\n cleanup();\n\n this.db = request.result;\n\n // Verify object stores exist - if not, database is corrupted\n if (\n !this.db.objectStoreNames.contains(STORE_STUDENTS) ||\n !this.db.objectStoreNames.contains(STORE_BACKUPS) ||\n !this.db.objectStoreNames.contains(STORE_AUDIT_LOG)\n ) {\n // Database exists but stores missing - delete and recreate\n logWarn(\n `Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(', ')}]`,\n );\n this.db.close();\n this.db = null;\n\n // Delete corrupted database\n const deleteRequest = indexedDB.deleteDatabase(this.dbName);\n deleteRequest.onsuccess = () => {\n // Retry initialization\n this.initPromise = null;\n this.init().then(resolve).catch(reject);\n };\n deleteRequest.onerror = () => {\n this.initPromise = null;\n reject(\n new StorageError(\n 'Failed to delete corrupted database',\n 'init',\n deleteRequest.error as Error,\n ),\n );\n };\n return;\n }\n\n this.initPromise = null;\n resolve();\n };\n\n request.onupgradeneeded = (event) => {\n const db = (event.target as IDBOpenDBRequest).result;\n const transaction = (event.target as IDBOpenDBRequest).transaction;\n\n if (transaction) {\n transaction.onerror = () => {\n logError(`Upgrade transaction error: ${transaction.error?.message || 'unknown'}`);\n };\n transaction.onabort = () => {\n logError(`Upgrade transaction aborted: ${transaction.error?.message || 'unknown'}`);\n };\n }\n\n try {\n // Create students object store\n if (!db.objectStoreNames.contains(STORE_STUDENTS)) {\n const studentsStore = db.createObjectStore(STORE_STUDENTS, { keyPath: null });\n studentsStore.createIndex('by-release', 'release', { unique: false });\n studentsStore.createIndex('by-service-id', 'serviceId', { unique: false });\n }\n\n // Create backups object store\n if (!db.objectStoreNames.contains(STORE_BACKUPS)) {\n const backupsStore = db.createObjectStore(STORE_BACKUPS, { keyPath: null });\n backupsStore.createIndex('by-original-key', 'originalKey', { unique: false });\n backupsStore.createIndex('by-timestamp', 'timestamp', { unique: false });\n }\n\n // Create audit log object store (v3 - PIN reset events)\n if (!db.objectStoreNames.contains(STORE_AUDIT_LOG)) {\n const auditStore = db.createObjectStore(STORE_AUDIT_LOG, {\n keyPath: 'eventId',\n });\n auditStore.createIndex('by-service-id', 'serviceId', { unique: false });\n auditStore.createIndex('by-reset-at', 'resetAt', { unique: false });\n }\n } catch (err) {\n logError('Error during database upgrade', err as Error);\n throw err;\n }\n };\n });\n\n return this.initPromise;\n }\n\n /**\n * Ensure database is initialized before operations\n *\n * @throws StorageNotInitializedError if not initialized\n * @returns Database instance\n */\n private ensureInitialized(): IDBDatabase {\n if (!this.db) {\n throw new StorageNotInitializedError('ensureInitialized');\n }\n return this.db;\n }\n\n /**\n * Get a student record by release and service ID\n *\n * @param release - Release identifier\n * @param serviceId - Service identifier\n * @returns Student record or null if not found\n */\n async getStudent(release: ReleaseId, serviceId: ServiceId): Promise {\n const db = this.ensureInitialized();\n const key = getStorageKey(release, serviceId);\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readonly');\n const store = transaction.objectStore(STORE_STUDENTS);\n const request = store.get(key);\n\n request.onsuccess = () => {\n resolve((request.result as StudentRecord | undefined) || null);\n };\n\n request.onerror = () => {\n reject(\n new StorageError('Failed to get student record', 'getStudent', request.error as Error),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to get student record', 'getStudent', error as Error));\n }\n });\n }\n\n /**\n * Save a student record\n *\n * @param record - Student record to save\n * @throws StorageQuotaError if storage quota exceeded\n */\n async saveStudent(record: StudentRecord): Promise {\n const db = this.ensureInitialized();\n const key = getStorageKey(record.release, record.serviceId);\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readwrite');\n const store = transaction.objectStore(STORE_STUDENTS);\n const request = store.put(record, key);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n // Check for quota errors\n if (request.error?.name === 'QuotaExceededError') {\n reject(new StorageQuotaError('saveStudent'));\n } else {\n reject(\n new StorageError(\n 'Failed to save student record',\n 'saveStudent',\n request.error as Error,\n ),\n );\n }\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed while saving student',\n 'saveStudent',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to save student record', 'saveStudent', error as Error));\n }\n });\n }\n\n /**\n * Get all students for a specific release\n *\n * Uses the by-release index for efficient queries.\n *\n * @param release - Release identifier\n * @returns Array of student records (empty if none found)\n */\n async getStudentsByRelease(release: ReleaseId): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readonly');\n const store = transaction.objectStore(STORE_STUDENTS);\n const index = store.index('by-release');\n const request = index.getAll(release);\n\n request.onsuccess = () => {\n resolve(request.result || []);\n };\n\n request.onerror = () => {\n reject(\n new StorageError(\n 'Failed to get students by release',\n 'getStudentsByRelease',\n request.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(\n new StorageError(\n 'Failed to get students by release',\n 'getStudentsByRelease',\n error as Error,\n ),\n );\n }\n });\n }\n\n /**\n * Clear all data from the database\n *\n * Removes both students and backups in a single atomic transaction.\n */\n async clearAll(): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(\n [STORE_STUDENTS, STORE_BACKUPS, STORE_AUDIT_LOG],\n 'readwrite',\n );\n\n const studentsStore = transaction.objectStore(STORE_STUDENTS);\n const backupsStore = transaction.objectStore(STORE_BACKUPS);\n const auditStore = transaction.objectStore(STORE_AUDIT_LOG);\n\n const clearStudentsRequest = studentsStore.clear();\n const clearBackupsRequest = backupsStore.clear();\n const clearAuditRequest = auditStore.clear();\n\n let studentsCleared = false;\n let backupsCleared = false;\n let auditCleared = false;\n\n clearStudentsRequest.onsuccess = () => {\n studentsCleared = true;\n if (backupsCleared && auditCleared) {\n resolve();\n }\n };\n\n clearBackupsRequest.onsuccess = () => {\n backupsCleared = true;\n if (studentsCleared && auditCleared) {\n resolve();\n }\n };\n\n clearAuditRequest.onsuccess = () => {\n auditCleared = true;\n if (studentsCleared && backupsCleared) {\n resolve();\n }\n };\n\n clearStudentsRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear students',\n 'clearAll',\n clearStudentsRequest.error as Error,\n ),\n );\n };\n\n clearBackupsRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear backups',\n 'clearAll',\n clearBackupsRequest.error as Error,\n ),\n );\n };\n\n clearAuditRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear audit log',\n 'clearAll',\n clearAuditRequest.error as Error,\n ),\n );\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed during clearAll',\n 'clearAll',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to clear all data', 'clearAll', error as Error));\n }\n });\n }\n\n /**\n * Create a backup of a student record\n *\n * Backup key format: backup_{timestamp}_{serviceId}\n *\n * @param record - Student record to backup\n * @throws StorageQuotaError if storage quota exceeded\n */\n async backup(record: StudentRecord): Promise {\n const db = this.ensureInitialized();\n const timestamp = new Date().toISOString();\n const backupKey = `backup_${timestamp}_${record.serviceId}`;\n const originalKey = getStorageKey(record.release, record.serviceId);\n\n const backupRecord: BackupRecord = {\n ...record,\n originalKey,\n timestamp,\n };\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_BACKUPS, 'readwrite');\n const store = transaction.objectStore(STORE_BACKUPS);\n const request = store.put(backupRecord, backupKey);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n // Check for quota errors\n if (request.error?.name === 'QuotaExceededError') {\n reject(new StorageQuotaError('backup'));\n } else {\n reject(new StorageError('Failed to create backup', 'backup', request.error as Error));\n }\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed during backup',\n 'backup',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to create backup', 'backup', error as Error));\n }\n });\n }\n\n /**\n * Save a PIN reset event to the audit log\n *\n * @param event - PIN reset event to log\n */\n async saveAuditEvent(event: PinResetEvent): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_AUDIT_LOG, 'readwrite');\n const store = transaction.objectStore(STORE_AUDIT_LOG);\n const request = store.add(event);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n reject(\n new StorageError(\n 'Failed to save audit event',\n 'saveAuditEvent',\n request.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to save audit event', 'saveAuditEvent', error as Error));\n }\n });\n }\n\n /**\n * Close the database connection\n *\n * Useful for cleanup in tests and application shutdown.\n */\n close(): void {\n if (this.db) {\n this.db.close();\n this.db = null;\n this.initPromise = null;\n }\n }\n}\n\n/**\n * Singleton storage adapter instance\n */\nlet storageInstance: IndexedDBStorageAdapter | null = null;\nlet currentDbName: string | null = null;\n\n/**\n * Get the singleton storage adapter instance\n *\n * Creates a new instance on first call, reuses it thereafter.\n * If dbName changes, closes old instance and creates new one.\n *\n * @param dbName - Database name (REQUIRED - no default)\n * @returns IndexedDB storage adapter\n */\nexport function getStorageAdapter(dbName: string): IndexedDBStorageAdapter {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for getStorageAdapter()');\n }\n\n // If dbName changed, close old instance and create new one\n if (storageInstance && currentDbName !== dbName) {\n storageInstance.close();\n storageInstance = null;\n }\n\n if (!storageInstance) {\n storageInstance = new IndexedDBStorageAdapter(dbName);\n currentDbName = dbName;\n }\n return storageInstance;\n}\n\n/**\n * Reset the singleton instance\n *\n * Useful for testing to ensure clean state between tests.\n */\nexport function resetStorageAdapter(): void {\n if (storageInstance) {\n storageInstance.close();\n storageInstance = null;\n currentDbName = null;\n }\n}\n","/**\n * Completion State Calculator\n *\n * Functions for calculating page completion states based on answer data.\n *\n * State Rules (from CLAUDE.md):\n * - unstarted: No answers provided\n * - incomplete: Some answered OR any incorrect\n * - complete: All answered AND all correct\n */\n\nimport type { AnswerRecord, CompletionState } from '../types/contracts.js';\n\n/**\n * Calculate the completion state for a page\n *\n * @param answers - Array of answer records for the page\n * @param totalQuestions - Total number of questions on the page\n * @returns Completion state (unstarted | incomplete | complete)\n *\n * @example\n * ```typescript\n * const answers = [\n * { answer: 'a', success: true, timestamp: '2024-11-16T10:00:00Z' },\n * { answer: 'b', success: false, timestamp: '2024-11-16T10:01:00Z' },\n * ];\n * const state = calculateCompletionState(answers, 3); // 'incomplete' (not all answered)\n * ```\n */\nexport function calculateCompletionState(\n answers: AnswerRecord[],\n totalQuestions: number,\n): CompletionState {\n // Handle edge case: no questions\n if (totalQuestions === 0) {\n return 'unstarted';\n }\n\n // Check if unstarted\n if (isPageUnstarted(answers)) {\n return 'unstarted';\n }\n\n // Check if complete\n if (isPageComplete(answers, totalQuestions)) {\n return 'complete';\n }\n\n // Otherwise, it's incomplete\n return 'incomplete';\n}\n\n/**\n * Check if a page is complete\n *\n * A page is complete when:\n * - All questions are answered\n * - All answered questions are correct\n *\n * @param answers - Array of answer records\n * @param totalQuestions - Total number of questions\n * @returns True if page is complete\n */\nexport function isPageComplete(answers: AnswerRecord[], totalQuestions: number): boolean {\n // Must have answered all questions\n if (answers.length !== totalQuestions) {\n return false;\n }\n\n // All answers must be correct\n return answers.every((answer) => answer.success === true);\n}\n\n/**\n * Check if a page is unstarted\n *\n * A page is unstarted when no answers have been provided.\n *\n * @param answers - Array of answer records\n * @returns True if page is unstarted\n */\nexport function isPageUnstarted(answers: AnswerRecord[]): boolean {\n return answers.length === 0;\n}\n\n/**\n * Count the number of correct answers\n *\n * @param answers - Array of answer records\n * @returns Number of correct answers\n */\nexport function countCorrectAnswers(answers: AnswerRecord[]): number {\n return answers.filter((answer) => answer.success === true).length;\n}\n\n/**\n * Calculate success percentage\n *\n * @param answers - Array of answer records\n * @param totalQuestions - Total number of questions\n * @returns Percentage of correct answers (0-100)\n *\n * @example\n * ```typescript\n * const answers = [\n * { answer: 'a', success: true, timestamp: '...' },\n * { answer: 'b', success: false, timestamp: '...' },\n * { answer: 'c', success: true, timestamp: '...' },\n * ];\n * const percentage = calculateSuccessPercentage(answers, 3); // 67 (2 out of 3 correct)\n * ```\n */\nexport function calculateSuccessPercentage(\n answers: AnswerRecord[],\n totalQuestions: number,\n): number {\n if (totalQuestions === 0) {\n return 0;\n }\n\n const correct = countCorrectAnswers(answers);\n return Math.round((correct / totalQuestions) * 100);\n}\n","/**\n * Storage Service\n *\n * Coordinates between IndexedDB persistence and sessionStorage cache.\n * Provides high-level operations for loading/saving student records.\n */\n\nimport type {\n StudentRecord,\n SessionData,\n SessionCache,\n PageData,\n PageId,\n ReleaseId,\n AnswerRecord,\n} from '../types/contracts.js';\nimport { getStorageAdapter } from './storage/indexeddb.js';\nimport { buildCacheFromRecord } from './session.js';\nimport { calculateCompletionState } from './state-calculator.js';\nimport { recalculateTotalsFromPages } from '../utils/calculation-helpers.js';\nimport { info, warn, error as logError } from '../utils/logger.js';\n\n/**\n * Storage Service for managing student records\n */\nexport class StorageService {\n private adapter;\n private dbName: string;\n\n /**\n * Create storage service with specified database name\n *\n * @param dbName - IndexedDB database name (REQUIRED - no default)\n */\n constructor(dbName: string) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for StorageService');\n }\n this.dbName = dbName;\n this.adapter = getStorageAdapter(dbName);\n }\n\n /**\n * Initialize IndexedDB storage\n */\n async init(): Promise {\n try {\n await this.adapter.init();\n info(`Storage service initialized (IndexedDB \"${this.dbName}\" ready)`);\n } catch (err) {\n logError('Failed to initialize storage service', err as Error);\n throw err;\n }\n }\n\n /**\n * Load student record from IndexedDB\n *\n * Creates a new record if none exists.\n *\n * @param session - Current session data\n * @returns Student record\n */\n async loadStudentRecord(session: SessionData): Promise {\n try {\n const existing = await this.adapter.getStudent(session.release, session.serviceId);\n\n if (existing) {\n info(`Loaded student record for ${session.serviceId} from IndexedDB`);\n return existing;\n }\n\n // Create new student record\n const newRecord: StudentRecord = {\n schema: 1,\n docId: session.release, // Use release as docId\n release: session.release,\n serviceId: session.serviceId,\n name: session.name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n\n info(`Created new student record for ${session.serviceId}`);\n return newRecord;\n } catch (err) {\n // If IndexedDB has schema issues, create a new record\n warn(`IndexedDB error, creating new record: ${(err as Error).message}`);\n const newRecord: StudentRecord = {\n schema: 1,\n docId: session.release,\n release: session.release,\n serviceId: session.serviceId,\n name: session.name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n return newRecord;\n }\n }\n\n /**\n * Save student record to IndexedDB\n *\n * @param record - Student record to save\n */\n async saveStudentRecord(record: StudentRecord): Promise {\n try {\n // Update timestamp\n record.updated = new Date().toISOString();\n\n // Recalculate totals from pages using calculation helper\n const totals = recalculateTotalsFromPages(record.pages);\n record.attempted = totals.attempted;\n record.correct = totals.correct;\n\n await this.adapter.saveStudent(record);\n info(`Saved student record for ${record.serviceId} to IndexedDB`);\n } catch (err) {\n logError('Failed to save student record', err as Error);\n throw err;\n }\n }\n\n /**\n * Update student record with a new answer\n *\n * @param record - Current student record\n * @param pageId - Page where answer was submitted\n * @param questionIndex - Question index (0-based)\n * @param answer - Answer record\n * @param totalQuestions - Total questions on the page\n * @returns Updated student record\n */\n updateRecordWithAnswer(\n record: StudentRecord,\n pageId: PageId,\n questionIndex: number,\n answer: AnswerRecord,\n totalQuestions: number,\n ): StudentRecord {\n // Get or create page data\n const existingPage = record.pages[pageId];\n const pageData: PageData = existingPage || {\n answers: [],\n state: 'unstarted',\n };\n\n // Ensure answers array is large enough\n while (pageData.answers.length <= questionIndex) {\n pageData.answers.push({\n answer: '',\n success: false,\n timestamp: new Date().toISOString(),\n });\n }\n\n // Update answer at index (FR-015: overwrites previous answer for re-submissions)\n // Only the most recent answer is stored, with updated timestamp\n pageData.answers[questionIndex] = answer;\n\n // Update timestamps\n const now = new Date().toISOString();\n if (!pageData.firstAttempted) {\n pageData.firstAttempted = now;\n }\n pageData.lastAttempted = now;\n\n // Recalculate state\n pageData.state = calculateCompletionState(pageData.answers, totalQuestions);\n\n // Update record\n return {\n ...record,\n pages: {\n ...record.pages,\n [pageId]: pageData,\n },\n };\n }\n\n /**\n * Build session cache from student record\n *\n * @param record - Student record\n * @returns Session cache\n */\n buildCache(record: StudentRecord): SessionCache {\n return buildCacheFromRecord(record);\n }\n\n /**\n * Get all students for a release\n *\n * @param release - Release identifier\n * @returns Array of student records\n */\n async getStudentsByRelease(release: ReleaseId): Promise {\n try {\n return await this.adapter.getStudentsByRelease(release);\n } catch (err) {\n logError('Failed to get students by release', err as Error);\n throw err;\n }\n }\n\n /**\n * Clear all data from IndexedDB\n */\n async clearAll(): Promise {\n try {\n await this.adapter.clearAll();\n info('Cleared all data from IndexedDB');\n } catch (err) {\n logError('Failed to clear all data', err as Error);\n throw err;\n }\n }\n\n /**\n * Create backup of student record\n *\n * @param record - Student record to backup\n */\n async backup(record: StudentRecord): Promise {\n try {\n await this.adapter.backup(record);\n info(`Created backup for ${record.serviceId}`);\n } catch (err) {\n warn(`Failed to create backup for ${record.serviceId}`, err);\n }\n }\n}\n\n// ============================================================================\n// SINGLETON PATTERN\n// ============================================================================\n\nlet storageServiceInstance: StorageService | null = null;\nlet currentServiceDbName: string | null = null;\n\n/**\n * Get singleton storage service instance\n *\n * @param dbName - IndexedDB database name (optional, uses existing instance if available)\n */\nexport function getStorageService(dbName?: string): StorageService {\n // If instance exists and no dbName specified, return existing\n if (storageServiceInstance && !dbName) {\n return storageServiceInstance;\n }\n\n // If dbName specified and different, warn but return existing (don't break app)\n if (storageServiceInstance && dbName && currentServiceDbName !== dbName) {\n warn(\n `Storage service already initialized with dbName=\"${currentServiceDbName}\", ignoring new dbName=\"${dbName}\"`,\n );\n return storageServiceInstance;\n }\n\n // Create new instance if none exists\n if (!storageServiceInstance) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for first getStorageService() call');\n }\n storageServiceInstance = new StorageService(dbName);\n currentServiceDbName = dbName;\n }\n\n return storageServiceInstance;\n}\n\n/**\n * Reset singleton (for testing)\n */\nexport function resetStorageService(): void {\n storageServiceInstance = null;\n currentServiceDbName = null;\n}\n","/**\n * Quiz Table Enhancer\n *\n * Implements single-phase progressive enhancement for quiz tables.\n * Replaces the old two-phase (prepare/activate) pattern with a simpler\n * conditional approach based on interactive flag.\n *\n * Features:\n * - Non-interactive mode: Hide answer column for security\n * - Interactive mode: Inject input controls, validation, auto-save\n * - Uses WeakMap for metadata (not DOM attributes)\n * - Debounced auto-save to prevent excessive writes\n * - Event emission for state changes\n */\n\nimport type {\n ParsedQuizTable,\n QuizQuestion,\n AnswerRecord,\n PageId,\n SessionData,\n SessionCache,\n} from '../types/contracts.js';\nimport { parseQuizTable } from '../services/quiz-parser.js';\nimport { validateAnswer } from '../services/quiz-parser.js';\nimport { registerPageQuestions } from '../services/session.js';\nimport { getQuestionInputSpec } from '../services/question-input.js';\nimport { formatStudentAnswersForDisplay } from '../services/answer-display.js';\nimport { Debouncer } from '../utils/debouncer.js';\nimport { createElement, addClass, removeClass } from '../utils/dom-helpers.js';\nimport { emitCustomEvent } from '../utils/event-helpers.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info, error as logError, warn } from '../utils/logger.js';\nimport { getStorageService } from '../services/storage-service.js';\n\n/**\n * Enhancement options\n */\nexport interface EnhanceQuizTableOptions {\n /** Whether to enable interactive controls */\n interactive: boolean;\n /** Current page ID (required for interactive mode) */\n pageId?: PageId;\n}\n\n/**\n * Quiz table metadata (stored in WeakMap)\n */\ninterface QuizTableMetadata {\n /** Parsed quiz data */\n parsed: ParsedQuizTable;\n /** Enhancement mode */\n interactive: boolean;\n /** Page ID (if interactive) */\n pageId?: PageId;\n /** Row input elements (if interactive) - can be text inputs or select dropdowns */\n inputs?: (HTMLInputElement | HTMLSelectElement)[];\n /** Debouncer for auto-save */\n debouncer?: Debouncer;\n /** Cleanup function for instructor event listeners */\n cleanupInstructorListeners?: () => void;\n}\n\n// WeakMap to store table metadata without polluting DOM\nconst tableMetadata = new WeakMap();\n\n/**\n * Enhance a quiz table with single-phase enhancement\n *\n * @param table - The quiz table element\n * @param options - Enhancement options\n * @returns true if enhancement succeeded, false if errors occurred\n *\n * @example\n * ```typescript\n * // Non-interactive mode (hide answers)\n * const table = document.querySelector('table.qd-quiz');\n * if (table) {\n * enhanceQuizTable(table, { interactive: false });\n * }\n *\n * // Interactive mode (inject controls)\n * enhanceQuizTable(table, { interactive: true, pageId: 'gram-1' });\n * ```\n */\nexport function enhanceQuizTable(\n table: HTMLTableElement,\n options: EnhanceQuizTableOptions,\n): boolean {\n // Check if already enhanced\n const existing = tableMetadata.get(table);\n let parsed: ParsedQuizTable;\n\n if (existing) {\n // If upgrading from non-interactive to interactive, proceed\n if (!existing.interactive && options.interactive) {\n info('Upgrading quiz table from non-interactive to interactive mode');\n // Reuse existing parsed data (answers already extracted before clearing DOM)\n parsed = existing.parsed;\n } else {\n // Already enhanced in same or higher mode, skip\n info('Quiz table already enhanced, skipping');\n return true;\n }\n } else {\n // Parse the table (first enhancement)\n parsed = parseQuizTable(table);\n\n // Check for parsing errors\n if (parsed.errors && parsed.errors.length > 0) {\n logError('Quiz table has validation errors:', parsed.errors);\n // Still continue enhancement to show errors visually\n }\n }\n\n // Store metadata in WeakMap\n const metadata: QuizTableMetadata = {\n parsed,\n interactive: options.interactive,\n pageId: options.pageId,\n };\n\n if (options.interactive) {\n // Validate pageId is provided for interactive mode\n if (!options.pageId) {\n logError('Interactive mode requires pageId option');\n return false;\n }\n\n info(`Preparing interactive enhancement for pageId: ${options.pageId}`);\n\n // Initialize debouncer for auto-save\n metadata.debouncer = new Debouncer();\n metadata.inputs = [];\n }\n\n tableMetadata.set(table, metadata);\n\n // Apply enhancement based on mode\n if (options.interactive) {\n const result = enhanceInteractive(table, metadata);\n if (result) {\n info(`Interactive enhancement succeeded for table with ${parsed.questions.length} questions`);\n } else {\n logError('Interactive enhancement failed');\n }\n return result;\n } else {\n return enhanceNonInteractive(table);\n }\n}\n\n/**\n * Enhance table in non-interactive mode\n * - Hide answer column (security: don't show correct answers before login)\n * - Hide detail column (security: don't show MCQ options or tolerances before login)\n *\n * @param table - Quiz table element\n * @returns true if successful\n */\nfunction enhanceNonInteractive(table: HTMLTableElement): boolean {\n // Remove colgroup to allow auto-sizing of columns\n removeColgroup(table);\n\n // Hide answer column (column index 1) - security: hide correct answers before login\n hideAnswerColumn(table);\n\n // Hide detail column (column index 2) - security: hide MCQ options/tolerances\n hideDetailColumn(table);\n\n addClass(table, 'qd-quiz-non-interactive');\n info('Quiz table enhanced in non-interactive mode');\n\n return true;\n}\n\n/**\n * Enhance table in interactive mode\n * - Inject input controls for each question\n * - Setup validation and auto-save\n * - Load existing answers from storage\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @returns true if successful\n */\nfunction enhanceInteractive(table: HTMLTableElement, metadata: QuizTableMetadata): boolean {\n const { parsed, pageId, debouncer } = metadata;\n\n if (!pageId || !debouncer) {\n logError('Interactive mode requires pageId and debouncer');\n return false;\n }\n\n // Show answer column (remove qd-hidden class from non-interactive mode)\n showAnswerColumn(table);\n\n // Hide detail column in interactive mode\n // - MCQ options are now in the select dropdown\n // - Numeric tolerance is applied automatically\n hideDetailColumn(table);\n\n // Get session data\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return false;\n }\n\n // Get session cache\n let cache = getJSON(STORAGE_KEYS.CACHE);\n if (!cache) {\n info('No cache found, creating empty cache');\n cache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n } else {\n info(\n `Cache loaded: ${cache.totals.total} total questions, ${Object.keys(cache.pages).length} pages`,\n );\n }\n\n // Register page questions (updates total count in cache)\n const totalQuestions = parsed.questions.length;\n cache = registerPageQuestions(cache, pageId, totalQuestions);\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n const pageCache = cache?.pages[pageId];\n const existingAnswers = pageCache?.answers || [];\n info(\n `Page ${pageId}: ${existingAnswers.length} existing answers, state: ${pageCache?.state || 'none'}`,\n );\n\n // Get all tbody rows\n const tbody = table.querySelector('tbody');\n if (!tbody) {\n logError('Quiz table has no tbody element');\n return false;\n }\n\n const rows = Array.from(tbody.querySelectorAll('tr'));\n const inputs: (HTMLInputElement | HTMLSelectElement)[] = [];\n\n // Inject controls for each question\n parsed.questions.forEach((question, index) => {\n const row = rows[index];\n if (!row) return;\n\n const cells = Array.from(row.querySelectorAll('td'));\n if (cells.length !== 3) return;\n\n const questionCell = cells[0];\n const answerCell = cells[1];\n\n if (!questionCell || !answerCell) return;\n\n // Get existing answer for this question\n const existingAnswer = existingAnswers[index];\n if (existingAnswer && existingAnswer.answer) {\n info(\n `Q${index + 1}: Pre-filling with \"${existingAnswer.answer}\" (${existingAnswer.success ? 'correct' : 'incorrect'})`,\n );\n }\n\n // Create input control based on question type\n const input = createQuestionInput(question, existingAnswer);\n inputs.push(input);\n\n // Clear answer cell and inject input\n answerCell.textContent = '';\n answerCell.appendChild(input);\n\n // Apply validation styling if answer exists\n if (existingAnswer) {\n applyValidationStyling(answerCell, existingAnswer.success);\n }\n\n // Setup auto-save on input change\n // Use 'change' for select elements (MCQ), 'input' for text inputs (numeric)\n const eventType = input.tagName === 'SELECT' ? 'change' : 'input';\n input.addEventListener(eventType, () => {\n handleAnswerInput(table, metadata, index, input.value);\n });\n });\n\n // Store input references\n metadata.inputs = inputs;\n\n // Setup instructor answer display listeners\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if instructor mode with toggle already enabled\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (isInstructor && showAnswers) {\n void showStudentAnswersForTable(table, metadata);\n }\n\n // Add logout listener to clear student-specific UI state (FR-001, FR-002)\n const logoutHandler = () => {\n // Clear student-specific color-coded feedback\n const answerCells = table.querySelectorAll('td.qd-answer-correct, td.qd-answer-incorrect');\n answerCells.forEach((cell) => {\n removeClass(cell, 'qd-answer-correct', 'qd-answer-incorrect');\n });\n\n // Clear any displayed student answers\n hideStudentAnswersForTable(table);\n\n info('Cleared student UI state from quiz table on logout');\n };\n\n document.addEventListener('qd:logout', logoutHandler);\n\n // Store cleanup function in metadata\n metadata.cleanupInstructorListeners = () => {\n document.removeEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.removeEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n document.removeEventListener('qd:logout', logoutHandler);\n };\n\n addClass(table, 'qd-quiz-interactive');\n info(`Quiz table enhanced in interactive mode for page ${pageId}`);\n\n return true;\n}\n\n/**\n * Create input control for a question\n *\n * For MCQ questions: Creates a dropdown with options\n * For numeric questions: Creates a text input\n *\n * Uses getQuestionInputSpec() for pure logic, then creates DOM elements.\n *\n * @param question - Quiz question\n * @param existingAnswer - Existing answer if any\n * @returns Input or select element\n */\nfunction createQuestionInput(\n question: QuizQuestion,\n existingAnswer?: AnswerRecord,\n): HTMLInputElement | HTMLSelectElement {\n const spec = getQuestionInputSpec(question, existingAnswer);\n\n if (spec.type === 'select') {\n // Create select dropdown for MCQ\n const select = createElement('select');\n select.className = spec.className;\n\n // Add placeholder option\n const placeholderOption = createElement('option');\n placeholderOption.value = '';\n placeholderOption.textContent = spec.placeholder;\n placeholderOption.disabled = true;\n select.appendChild(placeholderOption);\n\n // Add options from spec\n if (spec.options) {\n spec.options.forEach((opt) => {\n const option = createElement('option');\n option.value = opt.value;\n option.textContent = opt.text;\n select.appendChild(option);\n });\n }\n\n // Set value from spec\n select.value = spec.value;\n\n return select;\n } else {\n // Create text input for numeric questions\n const input = createElement('input');\n input.type = spec.type;\n input.className = spec.className;\n input.placeholder = spec.placeholder;\n input.value = spec.value;\n\n return input;\n }\n}\n\n/**\n * Handle user answer input\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @param questionIndex - Question index\n * @param answer - User's answer\n */\nfunction handleAnswerInput(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n questionIndex: number,\n answer: string,\n): void {\n const { debouncer, pageId, parsed } = metadata;\n\n if (!debouncer || !pageId) {\n return;\n }\n\n const question = parsed.questions[questionIndex];\n if (!question) {\n return;\n }\n\n // Debounce the save operation (200ms delay)\n debouncer.debounce(\n `save-answer-${questionIndex}`,\n () => {\n void saveAnswer(table, metadata, questionIndex, answer);\n },\n 200,\n );\n}\n\n/**\n * Save answer to storage and update UI\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @param questionIndex - Question index\n * @param answer - User's answer\n */\nasync function saveAnswer(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n questionIndex: number,\n answer: string,\n): Promise {\n const { pageId, parsed, inputs } = metadata;\n\n if (!pageId || !inputs) {\n return;\n }\n\n const question = parsed.questions[questionIndex];\n if (!question) {\n return;\n }\n\n // Get session\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return;\n }\n\n // Validate answer\n const success = validateAnswer(question, answer);\n\n // Create answer record\n const answerRecord: AnswerRecord = {\n answer: answer.trim(),\n success,\n timestamp: new Date().toISOString(),\n };\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n } catch (err) {\n warn('Failed to load student record, answer not saved', err);\n return;\n }\n\n // Update record with new answer\n const totalQuestions = parsed.questions.length;\n const updatedRecord = storageService.updateRecordWithAnswer(\n studentRecord,\n pageId,\n questionIndex,\n answerRecord,\n totalQuestions,\n );\n\n // Save updated record to IndexedDB\n try {\n await storageService.saveStudentRecord(updatedRecord);\n } catch (err) {\n warn('Failed to save student record to IndexedDB', err);\n }\n\n // Build cache from updated record\n const cache = storageService.buildCache(updatedRecord);\n\n // Save cache to sessionStorage for quick access\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n // Apply validation styling\n const row = table.querySelector(`tbody tr:nth-child(${questionIndex + 1})`);\n if (row) {\n const answerCell = row.querySelector('td:nth-child(2)');\n if (answerCell) {\n applyValidationStyling(answerCell, success);\n }\n }\n\n // Emit events\n emitCustomEvent('qd:answer-saved', {\n pageId,\n answer: answerRecord,\n });\n\n const pageData = updatedRecord.pages[pageId];\n if (pageData) {\n emitCustomEvent('qd:state-changed', {\n pageId,\n state: pageData.state,\n });\n }\n\n info(\n `Answer saved for question ${questionIndex + 1} on page ${pageId}: ${success ? 'correct' : 'incorrect'}`,\n );\n}\n\n/**\n * Apply validation styling to answer cell\n *\n * @param cell - Answer cell element\n * @param success - Whether answer is correct\n */\nfunction applyValidationStyling(cell: Element, success: boolean): void {\n removeClass(cell, 'qd-answer-correct', 'qd-answer-incorrect');\n addClass(cell, success ? 'qd-answer-correct' : 'qd-answer-incorrect');\n}\n\n/**\n * Remove colgroup element to allow automatic column sizing\n *\n * Fixed column widths (e.g., 40%/10%/50%) don't work well when\n * columns are hidden or contain interactive controls. Removing\n * the colgroup lets the browser auto-size based on content.\n *\n * @param table - Quiz table element\n */\nfunction removeColgroup(table: HTMLTableElement): void {\n const colgroup = table.querySelector('colgroup');\n if (colgroup) {\n colgroup.remove();\n }\n}\n\n/**\n * Hide answer column (column index 1)\n *\n * SECURITY: Removes correct answers from DOM to prevent inspection via DevTools/view-source.\n * Answers are already parsed and stored in memory (WeakMap), so they're available for\n * validation when needed but not exposed in the DOM.\n *\n * @param table - Quiz table element\n */\nfunction hideAnswerColumn(table: HTMLTableElement): void {\n // Hide header cell (Answer is column 1)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[1]) {\n addClass(headerCells[1], 'qd-hidden');\n }\n\n // Hide answer cells and REMOVE content from DOM (security)\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[1]) {\n addClass(cells[1], 'qd-hidden');\n cells[1].textContent = ''; // Remove answer from DOM\n }\n });\n}\n\n/**\n * Show answer column (column index 1) for interactive mode\n *\n * Removes qd-hidden class to reveal answer cells with input controls.\n * Called when upgrading from non-interactive to interactive mode.\n *\n * @param table - Quiz table element\n */\nfunction showAnswerColumn(table: HTMLTableElement): void {\n // Show header cell (Answer is column 1)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[1]) {\n removeClass(headerCells[1], 'qd-hidden');\n }\n\n // Show answer cells in all rows\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[1]) {\n removeClass(cells[1], 'qd-hidden');\n }\n });\n}\n\n/**\n * Hide detail column (column index 2)\n *\n * Hides the Detail column which contains MCQ options or numeric tolerances.\n * This prevents users from seeing answer options before logging in.\n *\n * @param table - Quiz table element\n */\nfunction hideDetailColumn(table: HTMLTableElement): void {\n // Hide header cell (Detail is column 2)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[2]) {\n addClass(headerCells[2], 'qd-hidden');\n }\n\n // Hide detail cells in all rows\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[2]) {\n addClass(cells[2], 'qd-hidden');\n }\n });\n}\n\n/**\n * Get quiz table metadata\n *\n * @param table - Quiz table element\n * @returns Metadata if table has been enhanced, undefined otherwise\n */\nexport function getQuizTableMetadata(table: HTMLTableElement): QuizTableMetadata | undefined {\n return tableMetadata.get(table);\n}\n\n/**\n * Check if table is enhanced\n *\n * @param table - Quiz table element\n * @returns true if table has been enhanced\n */\nexport function isQuizTableEnhanced(table: HTMLTableElement): boolean {\n return tableMetadata.has(table);\n}\n\n/**\n * Reset quiz table to non-interactive mode\n * Called on logout to allow re-enhancement on next login\n *\n * @param table - Quiz table element\n */\nexport function resetQuizTableToNonInteractive(table: HTMLTableElement): void {\n const metadata = tableMetadata.get(table);\n if (!metadata) return;\n\n // Update metadata to mark as non-interactive\n metadata.interactive = false;\n metadata.pageId = undefined;\n metadata.inputs = undefined;\n\n // Cleanup event listeners if they exist\n metadata.cleanupInstructorListeners?.();\n metadata.cleanupInstructorListeners = undefined;\n\n // Hide answer and detail columns\n hideAnswerColumn(table);\n hideDetailColumn(table);\n\n // Remove interactive class\n removeClass(table, 'qd-quiz-interactive');\n\n info('Quiz table reset to non-interactive mode');\n}\n\n/**\n * Show student answers for all questions in table (instructor mode)\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n */\nexport async function showStudentAnswersForTable(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n): Promise {\n const { pageId, parsed } = metadata;\n if (!pageId) return;\n\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n // Get storage service to load all student records\n const storageService = getStorageService();\n\n try {\n // Load all student records for current release\n const students = await storageService.getStudentsByRelease(session.release);\n\n // Check if there are any students\n if (students.length === 0) {\n info('No student data available for this release');\n alert(\n 'No student data available for this release. Students need to log in and answer questions first.',\n );\n return;\n }\n\n // Get tbody rows\n const tbody = table.querySelector('tbody');\n if (!tbody) return;\n\n const rows = Array.from(tbody.querySelectorAll('tr'));\n\n // For each question, collect student answers and display using formatStudentAnswersForDisplay\n parsed.questions.forEach((_question, questionIndex) => {\n const row = rows[questionIndex];\n if (!row) return;\n\n const cells = Array.from(row.querySelectorAll('td'));\n const answerCell = cells[1];\n if (!answerCell) return;\n\n // Remove any existing student answers display\n const existingDisplay = answerCell.querySelector('.qd-student-answers');\n if (existingDisplay) {\n existingDisplay.remove();\n }\n\n // Use pure helper function to format student answers\n const studentAnswers = formatStudentAnswersForDisplay(students, pageId, questionIndex);\n\n // Create display element from formatted data\n if (studentAnswers.length > 0) {\n const display = document.createElement('div');\n display.className = 'qd-student-answers';\n\n studentAnswers.forEach((sa) => {\n const answerDiv = document.createElement('div');\n answerDiv.className = `qd-student-answer ${sa.cssClass}`;\n\n // Format: Name (last 4 of serviceId): answer [timestamp] (FR-007: 24-hour format)\n answerDiv.innerHTML = `\n ${sa.name} (${sa.maskedServiceId}):\n ${sa.answer}\n ${sa.formattedTimestamp}\n `;\n\n display.appendChild(answerDiv);\n });\n\n answerCell.appendChild(display);\n }\n });\n\n info(`Displayed student answers for ${students.length} students on page ${pageId}`);\n } catch (err) {\n logError('Failed to load student answers', err as Error);\n }\n}\n\n/**\n * Hide student answers for all questions in table\n *\n * @param table - Quiz table element\n */\nexport function hideStudentAnswersForTable(table: HTMLTableElement): void {\n const displays = table.querySelectorAll('.qd-student-answers');\n displays.forEach((display) => display.remove());\n info('Hid student answers from quiz table');\n}\n","/**\n * Question Input Service\n *\n * Pure functions for generating question input specifications.\n * No DOM dependencies - returns data structures that can be tested\n * without browser environment.\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport type { QuizQuestion, AnswerRecord } from '../types/contracts.js';\n\n/**\n * Option specification for MCQ dropdowns\n */\nexport interface OptionSpec {\n value: string;\n text: string;\n}\n\n/**\n * Specification for rendering a question input\n */\nexport interface QuestionInputSpec {\n /** Input type: 'select' for MCQ, 'text' for numeric */\n type: 'select' | 'text';\n /** CSS class name */\n className: string;\n /** Placeholder text */\n placeholder: string;\n /** Current value (from existing answer or empty) */\n value: string;\n /** Options for select (MCQ only) */\n options?: OptionSpec[];\n}\n\n/**\n * Get input specification for a quiz question\n *\n * Returns a data structure describing how to render the input,\n * without creating DOM elements.\n *\n * @param question - Quiz question configuration\n * @param existingAnswer - Existing answer record (optional)\n * @returns Input specification\n */\nexport function getQuestionInputSpec(\n question: QuizQuestion,\n existingAnswer?: AnswerRecord,\n): QuestionInputSpec {\n if (question.kind === 'mcq') {\n // MCQ question - select dropdown\n const options: OptionSpec[] = (question.options || []).map((optionText, index) => ({\n value: String(index + 1), // 1-indexed\n text: `${index + 1}. ${optionText}`,\n }));\n\n return {\n type: 'select',\n className: 'qd-quiz-input',\n placeholder: 'Select an answer...',\n value: existingAnswer?.answer || '',\n options,\n };\n } else {\n // Numeric question - text input\n return {\n type: 'text',\n className: 'qd-quiz-input',\n placeholder: 'Enter value',\n value: existingAnswer?.answer || '',\n };\n }\n}\n","/**\n * Answer Display Service\n *\n * Pure functions for formatting student answer data for display.\n * No DOM dependencies - returns data structures that can be tested\n * without browser environment.\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport type { StudentRecord, PageId } from '../types/contracts.js';\nimport { formatStoredTimestamp } from '../utils/date-helpers.js';\n\n/**\n * Formatted student answer for display\n */\nexport interface StudentAnswerDisplay {\n /** Student name */\n name: string;\n /** Last 4 digits of service ID */\n maskedServiceId: string;\n /** Answer value */\n answer: string;\n /** Whether answer is correct */\n success: boolean;\n /** Formatted timestamp for display (24-hour format) */\n formattedTimestamp: string;\n /** CSS class based on success: 'qd-correct' or 'qd-incorrect' */\n cssClass: 'qd-correct' | 'qd-incorrect';\n}\n\n/**\n * Format student answers for a specific question for display\n *\n * Collects and formats answers from all students for a specific\n * question, ready for rendering in instructor view.\n *\n * @param students - Array of student records\n * @param pageId - Page identifier\n * @param questionIndex - 0-based question index\n * @returns Array of formatted student answers\n */\nexport function formatStudentAnswersForDisplay(\n students: StudentRecord[],\n pageId: PageId,\n questionIndex: number,\n): StudentAnswerDisplay[] {\n const result: StudentAnswerDisplay[] = [];\n\n for (const student of students) {\n const pageData = student.pages[pageId];\n if (!pageData || !pageData.answers) continue;\n\n const answerRecord = pageData.answers[questionIndex];\n if (!answerRecord) continue;\n\n result.push({\n name: student.name,\n maskedServiceId: student.serviceId.slice(-4),\n answer: answerRecord.answer,\n success: answerRecord.success,\n formattedTimestamp: formatStoredTimestamp(answerRecord.timestamp),\n cssClass: answerRecord.success ? 'qd-correct' : 'qd-incorrect',\n });\n }\n\n return result;\n}\n","/**\n * Analysis Table Parser\n *\n * Parses analysis tables and generates stable identifiers for table and cells.\n *\n * Key concepts:\n * - TableId: 16-char hash based on table structure (rows × cols + className)\n * - CellKey: Format \"R{row}C{col}#f:{hash}\" where hash is 8-char from normalized content\n * - Editable cells: Cells WITH 'interactive' class\n * - Read-only cells: Cells WITHOUT 'interactive' class\n *\n * Author constraints:\n * - Add class=\"interactive\" to cells that should be editable in interactive mode\n * - Cells without this class will always be read-only\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const parsed = parseAnalysisTable(table);\n * console.log(`Table ID: ${parsed.tableId}`);\n * console.log(`Editable cells: ${parsed.editableCells.length}`);\n * }\n * ```\n */\n\nimport type { ParsedAnalysisTable, TableId, CellKey } from '../types/contracts.js';\nimport { getTableRows, getRowCells, getTextContent } from '../utils/dom-helpers.js';\n\n/**\n * Generate a hash from a string using a simple but stable hash algorithm\n *\n * Uses a modified DJB2 hash algorithm for simplicity and stability.\n * Not cryptographically secure, but suitable for generating stable identifiers.\n *\n * @param input - String to hash\n * @param length - Desired hash length (default: 16)\n * @returns Hex-encoded hash of specified length\n */\nfunction hashString(input: string, length = 16): string {\n let hash = 5381;\n\n for (let i = 0; i < input.length; i++) {\n const char = input.charCodeAt(i);\n hash = (hash << 5) + hash + char; // hash * 33 + char\n hash = hash & hash; // Convert to 32-bit integer\n }\n\n // Convert to positive hex string\n const hexHash = Math.abs(hash).toString(16).padStart(8, '0');\n\n // Repeat and truncate to desired length\n const repeatedHash = hexHash.repeat(Math.ceil(length / hexHash.length));\n return repeatedHash.substring(0, length);\n}\n\n/**\n * Generate stable table ID based on structure\n *\n * Format: 16-character hash from \"{rows}x{cols}:{className}\"\n *\n * @param table - Analysis table element\n * @returns Stable table identifier\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const tableId = generateTableId(table);\n * console.log(tableId); // \"8e2b4a1c9f3d7b6e\"\n * }\n * ```\n */\nexport function generateTableId(table: HTMLTableElement): TableId {\n const rows = getTableRows(table);\n const firstRow = rows[0];\n const cols = firstRow ? getRowCells(firstRow).length : 0;\n const className = table.className || 'qd-analysis';\n\n // Create structure signature: \"3x4:qd-analysis\"\n const signature = `${rows.length}x${cols}:${className}`;\n\n return hashString(signature, 16);\n}\n\n/**\n * Generate stable cell key\n *\n * Format: \"R{row}C{col}#f:{hash}\"\n * - Row and column are 0-indexed\n * - Hash is 8-char from normalized cell content (whitespace collapsed)\n *\n * @param row - Row index (0-based)\n * @param col - Column index (0-based)\n * @param content - Cell content\n * @returns Stable cell key\n *\n * @example\n * ```typescript\n * const key = generateCellKey(2, 4, 'Sample content');\n * console.log(key); // \"R2C4#f:abc123de\"\n * ```\n */\nexport function generateCellKey(row: number, col: number, content: string): CellKey {\n // Normalize content: collapse whitespace, trim\n const normalized = content.replace(/\\s+/g, ' ').trim();\n\n // Generate 8-char hash from normalized content\n const contentHash = hashString(normalized, 8);\n\n return `R${row}C${col}#f:${contentHash}`;\n}\n\n/**\n * Check if a cell is editable\n *\n * A cell is editable if it HAS the 'interactive' class.\n * Cells without this class are considered read-only (headers or pre-filled content).\n *\n * Author constraint: Add class=\"interactive\" to cells that should be editable.\n *\n * @param cell - Table cell element\n * @returns true if cell has 'interactive' class, false otherwise\n *\n * @example\n * ```typescript\n * const cell = row.cells[0];\n * if (isCellEditable(cell)) {\n * // Cell has class=\"interactive\", make it editable\n * } else {\n * // Cell is read-only\n * }\n * ```\n */\nexport function isCellEditable(cell: HTMLTableCellElement): boolean {\n // Check for 'interactive' class\n return cell.classList.contains('interactive');\n}\n\n/**\n * Parse an analysis table\n *\n * Extracts table structure, generates stable identifiers, and identifies editable cells.\n *\n * @param table - Analysis table element\n * @returns Parsed analysis table data\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const parsed = parseAnalysisTable(table);\n *\n * if (parsed.errors && parsed.errors.length > 0) {\n * console.error('Validation errors:', parsed.errors);\n * }\n *\n * console.log(`Table ID: ${parsed.tableId}`);\n * console.log(`Editable cells: ${parsed.editableCells.length}`);\n * }\n * ```\n */\nexport function parseAnalysisTable(table: HTMLTableElement): ParsedAnalysisTable {\n const errors: string[] = [];\n\n // Validate table structure\n if (!table.querySelector('tbody')) {\n errors.push('Analysis table must have a tbody element');\n }\n\n const rows = getTableRows(table);\n if (rows.length === 0) {\n errors.push('Analysis table must have at least one row');\n }\n\n // Generate table ID\n const tableId = generateTableId(table);\n\n // Identify editable cells\n const editableCells: ParsedAnalysisTable['editableCells'] = [];\n\n rows.forEach((row, rowIndex) => {\n const cells = getRowCells(row);\n\n cells.forEach((cell, colIndex) => {\n if (isCellEditable(cell)) {\n const content = getTextContent(cell);\n const key = generateCellKey(rowIndex, colIndex, content);\n\n editableCells.push({\n row: rowIndex,\n col: colIndex,\n key,\n });\n }\n });\n });\n\n return {\n element: table,\n tableId,\n editableCells,\n errors: errors.length > 0 ? errors : undefined,\n };\n}\n","/**\n * Analysis Table Enhancer\n *\n * Implements single-phase progressive enhancement for analysis tables.\n * Similar to quiz-table enhancer but for free-form editable content.\n *\n * Features:\n * - Non-interactive mode: Read-only display\n * - Interactive mode: Enable editing for cells with 'interactive' class\n * - Debounced auto-save to prevent excessive writes\n * - Stable cell keys for persistence across page reloads\n * - Uses WeakMap for metadata (not DOM attributes)\n * - Event emission for data changes\n *\n * Author constraints:\n * - Cells WITH class=\"interactive\" = editable (in interactive mode)\n * - Cells WITHOUT 'interactive' class = read-only (always)\n * - Maximum ONE analysis table per page\n */\n\nimport type {\n ParsedAnalysisTable,\n AnalysisData,\n PageId,\n SessionData,\n SessionCache,\n CellKey,\n StudentRecord,\n ServiceId,\n} from '../types/contracts.js';\nimport { parseAnalysisTable, isCellEditable } from '../services/analysis-parser.js';\nimport { Debouncer } from '../utils/debouncer.js';\nimport { getTableRows, getRowCells, addClass, getTextContent } from '../utils/dom-helpers.js';\nimport { emitCustomEvent } from '../utils/event-helpers.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info, error as logError, warn } from '../utils/logger.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { formatStoredTimestamp } from '../utils/date-helpers.js';\n\n/**\n * Enhancement options\n */\nexport interface EnhanceAnalysisTableOptions {\n /** Whether to enable interactive editing */\n interactive: boolean;\n /** Current page ID (required for interactive mode) */\n pageId?: PageId;\n}\n\n/**\n * Analysis table metadata (stored in WeakMap)\n */\ninterface AnalysisTableMetadata {\n /** Parsed analysis data */\n parsed: ParsedAnalysisTable;\n /** Enhancement mode */\n interactive: boolean;\n /** Page ID (if interactive) */\n pageId?: PageId;\n /** Debouncer for auto-save */\n debouncer?: Debouncer;\n /** Cell element to cell key mapping */\n cellKeyMap?: Map;\n}\n\n/**\n * Student entry for a cell (used in instructor view)\n */\nexport interface CellEntry {\n serviceId: ServiceId;\n name: string;\n content: string;\n timestamp: string;\n}\n\n// WeakMap to store table metadata without polluting DOM\nconst tableMetadata = new WeakMap();\n\n/**\n * Enhance an analysis table with single-phase enhancement\n *\n * @param table - The analysis table element\n * @param options - Enhancement options\n * @returns true if enhancement succeeded, false if errors occurred\n *\n * @example\n * ```typescript\n * // Non-interactive mode (read-only)\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * enhanceAnalysisTable(table, { interactive: false });\n * }\n *\n * // Interactive mode (enable editing)\n * enhanceAnalysisTable(table, { interactive: true, pageId: 'gram-1' });\n * ```\n */\nexport function enhanceAnalysisTable(\n table: HTMLTableElement,\n options: EnhanceAnalysisTableOptions,\n): boolean {\n // Parse the table\n const parsed = parseAnalysisTable(table);\n\n // Check for parsing errors\n if (parsed.errors && parsed.errors.length > 0) {\n logError('Analysis table has validation errors:', parsed.errors);\n // Still continue enhancement to show errors visually\n }\n\n // Store metadata in WeakMap\n const metadata: AnalysisTableMetadata = {\n parsed,\n interactive: options.interactive,\n pageId: options.pageId,\n };\n\n if (options.interactive) {\n // Validate pageId is provided for interactive mode\n if (!options.pageId) {\n logError('Interactive mode requires pageId option');\n return false;\n }\n\n // Initialize debouncer for auto-save\n metadata.debouncer = new Debouncer();\n metadata.cellKeyMap = new Map();\n }\n\n tableMetadata.set(table, metadata);\n\n // Apply enhancement based on mode\n if (options.interactive) {\n return enhanceInteractive(table, metadata);\n } else {\n return enhanceNonInteractive(table);\n }\n}\n\n/**\n * Enhance table in non-interactive mode\n * - Read-only display (no contenteditable)\n * - Listen for instructor view events to display student entries\n *\n * @param table - Analysis table element\n * @returns true if successful\n */\nfunction enhanceNonInteractive(table: HTMLTableElement): boolean {\n addClass(table, 'qd-analysis-non-interactive');\n\n // Add event listeners for instructor view\n const showHandler = () => {\n void showStudentEntriesForTable(table);\n };\n\n const hideHandler = () => {\n hideStudentEntriesForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showHandler);\n document.addEventListener('qd:instructor-hide-answers', hideHandler);\n\n info('Analysis table enhanced in non-interactive mode with instructor view support');\n\n return true;\n}\n\n/**\n * Enhance table in interactive mode\n * - Enable editing for cells without background-color\n * - Setup auto-save with debouncing\n * - Load existing data from storage\n *\n * @param table - Analysis table element\n * @param metadata - Table metadata\n * @returns true if successful\n */\nfunction enhanceInteractive(table: HTMLTableElement, metadata: AnalysisTableMetadata): boolean {\n const { parsed, pageId, debouncer, cellKeyMap } = metadata;\n\n if (!pageId || !debouncer || !cellKeyMap) {\n logError('Interactive mode requires pageId, debouncer, and cellKeyMap');\n return false;\n }\n\n // Get session data\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return false;\n }\n\n // Get session cache\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const pageCache = cache?.pages[pageId];\n const existingAnalysis = pageCache?.analysis;\n\n // Load existing cell data if available\n const existingCells = existingAnalysis?.cells || {};\n\n // Get all rows\n const rows = getTableRows(table);\n\n // Enable editing for editable cells\n parsed.editableCells.forEach(({ row, col, key }) => {\n const rowElement = rows[row];\n if (!rowElement) return;\n\n const cells = getRowCells(rowElement);\n const cell = cells[col];\n if (!cell) return;\n\n // Verify cell is still editable (defensive check)\n if (!isCellEditable(cell)) {\n logError(`Cell at R${row}C${col} is no longer editable`);\n return;\n }\n\n // Store cell key mapping\n cellKeyMap.set(cell, key);\n\n // Load existing content if available\n if (existingCells[key]) {\n cell.textContent = existingCells[key];\n }\n\n // Make cell editable\n cell.contentEditable = 'true';\n addClass(cell, 'qd-editable');\n\n // Setup auto-save on input\n cell.addEventListener('input', () => {\n handleCellEdit(metadata, cell, key);\n });\n\n // Prevent Enter key from creating line breaks (optional - may want multi-line)\n // For now, allow multi-line editing\n });\n\n addClass(table, 'qd-analysis-interactive');\n info(`Analysis table enhanced in interactive mode for page ${pageId}`);\n\n return true;\n}\n\n/**\n * Handle cell edit\n *\n * @param metadata - Table metadata\n * @param cell - Edited cell element\n * @param cellKey - Cell key\n */\nfunction handleCellEdit(\n metadata: AnalysisTableMetadata,\n cell: HTMLTableCellElement,\n cellKey: CellKey,\n): void {\n const { debouncer, pageId } = metadata;\n\n if (!debouncer || !pageId) {\n return;\n }\n\n const content = getTextContent(cell);\n\n // Debounce the save operation (500ms delay - longer than quiz for thoughtful editing)\n debouncer.debounce(\n `save-cell-${cellKey}`,\n () => {\n void saveCellData(metadata, cellKey, content);\n },\n 500,\n );\n}\n\n/**\n * Save cell data to storage (sessionStorage + IndexedDB)\n *\n * @param metadata - Table metadata\n * @param cellKey - Cell key\n * @param content - Cell content\n */\nasync function saveCellData(\n metadata: AnalysisTableMetadata,\n cellKey: CellKey,\n content: string,\n): Promise {\n const { pageId, parsed } = metadata;\n\n if (!pageId) {\n return;\n }\n\n // Get session\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return;\n }\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n } catch (err) {\n warn('Failed to load student record, analysis not saved', err);\n return;\n }\n\n // Get or create page data in student record\n const pageData = studentRecord.pages[pageId] || {\n answers: [],\n state: 'unstarted' as const,\n };\n\n // Get or create analysis data\n const analysisData: AnalysisData = pageData.analysis || {\n tableId: parsed.tableId,\n cells: {},\n };\n\n // Update cell content\n analysisData.cells[cellKey] = content;\n\n // Update timestamps\n const now = new Date().toISOString();\n if (!analysisData.firstEdited) {\n analysisData.firstEdited = now;\n }\n analysisData.lastEdited = now;\n\n // Store analysis data in page\n pageData.analysis = analysisData;\n\n // Update student record\n studentRecord.pages[pageId] = pageData;\n studentRecord.updated = now;\n\n // Save updated record to IndexedDB\n try {\n await storageService.saveStudentRecord(studentRecord);\n } catch (err) {\n warn('Failed to save student record to IndexedDB', err);\n }\n\n // Build cache from updated record\n const cache = storageService.buildCache(studentRecord);\n\n // Save cache to sessionStorage for quick access\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n // Emit event\n emitCustomEvent('qd:analysis-saved', {\n pageId,\n tableId: parsed.tableId,\n cellKey,\n content,\n });\n\n info(`Analysis cell saved for ${cellKey} on page ${pageId}`);\n}\n\n/**\n * Get analysis table metadata\n *\n * @param table - Analysis table element\n * @returns Metadata if table has been enhanced, undefined otherwise\n */\nexport function getAnalysisTableMetadata(\n table: HTMLTableElement,\n): AnalysisTableMetadata | undefined {\n return tableMetadata.get(table);\n}\n\n/**\n * Check if table is enhanced\n *\n * @param table - Analysis table element\n * @returns true if table has been enhanced\n */\nexport function isAnalysisTableEnhanced(table: HTMLTableElement): boolean {\n return tableMetadata.has(table);\n}\n\n/**\n * Group student entries by cell key (FR-012)\n *\n * @param students - All student records\n * @param pageId - Page ID to filter by\n * @returns Map of cell key to array of student entries\n */\nexport function groupEntriesByCell(\n students: StudentRecord[],\n pageId: PageId,\n): Record {\n const grouped: Record = {};\n\n students.forEach((student) => {\n const pageData = student.pages[pageId];\n if (!pageData || !pageData.analysis) {\n return;\n }\n\n const { cells } = pageData.analysis;\n const timestamp = pageData.analysis.lastEdited || student.updated;\n\n Object.entries(cells).forEach(([cellKey, content]) => {\n if (!grouped[cellKey]) {\n grouped[cellKey] = [];\n }\n\n grouped[cellKey].push({\n serviceId: student.serviceId,\n name: student.name,\n content,\n timestamp,\n });\n });\n });\n\n return grouped;\n}\n\n/**\n * Sort entries by timestamp in descending order (newest first) (FR-012)\n *\n * @param entries - Cell entries to sort\n * @returns Sorted entries (newest first)\n */\nexport function sortByTimestamp(entries: CellEntry[]): CellEntry[] {\n return [...entries].sort((a, b) => {\n const dateA = new Date(a.timestamp).getTime();\n const dateB = new Date(b.timestamp).getTime();\n return dateB - dateA; // Descending (newest first)\n });\n}\n\n/**\n * Create display element for student entries (FR-012, FR-013)\n *\n * @param entries - Student entries for a cell (should already be sorted)\n * @returns HTML div element with entries or placeholder\n */\nexport function createStudentEntriesDisplay(entries: CellEntry[]): HTMLDivElement {\n const container = document.createElement('div');\n container.className = 'qd-student-entries';\n\n if (entries.length === 0) {\n // FR-013: Placeholder for empty cells\n container.className += ' qd-no-entries';\n container.textContent = '(No entries yet)';\n container.style.cssText =\n 'color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;';\n return container;\n }\n\n // Sort entries before displaying (newest first)\n const sortedEntries = sortByTimestamp(entries);\n\n // FR-012: Display each student entry (single line format)\n sortedEntries.forEach((entry) => {\n const entryDiv = document.createElement('div');\n entryDiv.className = 'qd-entry';\n entryDiv.style.cssText =\n 'padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;';\n\n // Student name with last 4 digits of serviceId\n const last4 = entry.serviceId.slice(-4);\n const timestamp = formatStoredTimestamp(entry.timestamp);\n\n // Single line: name (id) • timestamp: content\n const nameSpan = document.createElement('span');\n nameSpan.style.cssText = 'font-weight: 600; color: #374151;';\n nameSpan.textContent = `${entry.name} (${last4}) • ${timestamp}: `;\n\n const contentSpan = document.createElement('span');\n contentSpan.style.cssText = 'white-space: pre-wrap;';\n contentSpan.textContent = entry.content;\n\n entryDiv.appendChild(nameSpan);\n entryDiv.appendChild(contentSpan);\n container.appendChild(entryDiv);\n });\n\n container.style.cssText = 'margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;';\n\n return container;\n}\n\n/**\n * Show student entries for all cells in the table (instructor view)\n *\n * @param table - Analysis table element\n */\nasync function showStudentEntriesForTable(table: HTMLTableElement): Promise {\n const metadata = tableMetadata.get(table);\n if (!metadata) {\n warn('Cannot show student entries: table not enhanced');\n return;\n }\n\n // Get current page ID from metadata (if interactive) or from document\n const pageId = metadata.pageId || getCurrentPageId();\n if (!pageId) {\n warn('Cannot show student entries: page ID not found');\n return;\n }\n\n // Get session to determine release\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n warn('Cannot show student entries: no active session');\n return;\n }\n\n // Load all students for this release\n const storageService = getStorageService();\n let students: StudentRecord[];\n try {\n students = await storageService.getStudentsByRelease(session.release);\n } catch (err) {\n logError('Failed to load students for instructor view:', err);\n return;\n }\n\n // Group entries by cell\n const grouped = groupEntriesByCell(students, pageId);\n\n // Get all editable cells from parsed data\n const { editableCells } = metadata.parsed;\n const rows = getTableRows(table);\n\n // Display entries for each editable cell\n editableCells.forEach(({ row, col, key }) => {\n const rowElement = rows[row];\n if (!rowElement) return;\n\n const cells = getRowCells(rowElement);\n const cell = cells[col];\n if (!cell) return;\n\n // Get entries for this cell\n const entries = grouped[key] || [];\n\n // Create and append display element\n const displayElement = createStudentEntriesDisplay(entries);\n displayElement.setAttribute('data-qd-student-entries', 'true');\n\n // Remove any existing display\n const existing = cell.querySelector('[data-qd-student-entries]');\n if (existing) {\n existing.remove();\n }\n\n cell.appendChild(displayElement);\n });\n\n info(`Displayed student entries for ${editableCells.length} cells`);\n}\n\n/**\n * Hide student entries for all cells in the table\n *\n * @param table - Analysis table element\n */\nfunction hideStudentEntriesForTable(table: HTMLTableElement): void {\n // Remove all student entry displays\n const displays = table.querySelectorAll('[data-qd-student-entries]');\n displays.forEach((display) => display.remove());\n\n info('Hidden student entries from analysis table');\n}\n\n/**\n * Reset analysis table to non-interactive mode\n * Called on logout to clear student/instructor UI state\n *\n * @param table - Analysis table element\n */\nexport function resetAnalysisTableToNonInteractive(table: HTMLTableElement): void {\n const metadata = tableMetadata.get(table);\n if (!metadata) return;\n\n // Hide any displayed student entries (instructor view)\n hideStudentEntriesForTable(table);\n\n // If table was interactive, disable editing and clear content\n if (metadata.interactive) {\n // Find all editable cells, clear content, and disable contentEditable\n const editableCells = table.querySelectorAll('.qd-editable');\n editableCells.forEach((cell) => {\n if (cell instanceof HTMLTableCellElement) {\n cell.contentEditable = 'false';\n cell.classList.remove('qd-editable');\n // Clear student-entered content on logout\n cell.textContent = '';\n }\n });\n\n // Remove interactive class from table\n table.classList.remove('qd-analysis-interactive');\n\n // Cancel any pending saves\n metadata.debouncer?.cancelAll();\n }\n\n // Update metadata to mark as non-interactive\n metadata.interactive = false;\n metadata.pageId = undefined;\n metadata.debouncer = undefined;\n metadata.cellKeyMap = undefined;\n\n info('Reset analysis table to non-interactive mode');\n}\n\n/**\n * Get current page ID from document\n * Extracts from body data attribute or URL\n *\n * @returns Page ID or undefined\n */\nfunction getCurrentPageId(): PageId | undefined {\n // Try body data attribute first\n const bodyPageId = document.body.dataset.pageId;\n if (bodyPageId) {\n return bodyPageId;\n }\n\n // Fallback: extract from URL filename\n const path = window.location.pathname;\n const filename = path.split('/').pop() || '';\n const pageId = filename.replace('.html', '');\n\n return pageId || undefined;\n}\n","/**\n * Event Coordinator\n * Registers and coordinates custom events across the application\n */\n\nimport { info } from '../utils/logger.js';\nimport {\n enhanceQuizTable,\n getQuizTableMetadata,\n resetQuizTableToNonInteractive,\n showStudentAnswersForTable,\n hideStudentAnswersForTable,\n} from '../enhancers/quiz-table.js';\nimport {\n enhanceAnalysisTable,\n resetAnalysisTableToNonInteractive,\n} from '../enhancers/analysis-table.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { setJSON, getJSON } from '../utils/storage-helpers.js';\nimport type { SessionData, SessionCache } from '../types/contracts.js';\n\n/**\n * Custom event detail types\n */\nexport interface LoginEventDetail {\n serviceId: string;\n name: string;\n release: string;\n loginTime: string;\n}\n\nexport interface LogoutEventDetail {\n serviceId: string;\n}\n\nexport interface AnswerSavedEventDetail {\n pageId: string;\n questionIndex: number;\n answer: string;\n success: boolean;\n}\n\nexport interface StateChangedEventDetail {\n pageId: string;\n state: string;\n}\n\nexport interface InstructorUnlockEventDetail {\n unlockTime: string;\n}\n\nexport interface DataClearedEventDetail {\n timestamp: string;\n}\n\n/**\n * Event coordinator for managing application events\n */\nexport class EventCoordinator {\n private listeners: Map = new Map();\n\n /**\n * Register all event listeners\n */\n initialize(): void {\n this.registerLoginHandlers();\n this.registerLogoutHandlers();\n this.registerAnswerHandlers();\n this.registerStateHandlers();\n this.registerInstructorHandlers();\n this.registerDataHandlers();\n\n info('Event coordinator initialized');\n }\n\n /**\n * Register handlers for login events\n */\n private registerLoginHandlers(): void {\n this.addEventListener('qd:login', (event) => {\n void (async () => {\n const detail = (event as CustomEvent).detail;\n info(`Login event: ${detail.serviceId} (${detail.name})`);\n\n // Skip student record handling for instructor logins\n if (detail.serviceId === 'INSTRUCTOR') {\n info('Instructor login - skipping student record handling');\n return;\n }\n\n // Get session from storage (already created by SessionService)\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n info('No session found in storage, skipping cache rebuild');\n return;\n }\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n let cache;\n\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n\n // Save student record to IndexedDB (creates if new, updates if exists)\n await storageService.saveStudentRecord(studentRecord);\n\n cache = storageService.buildCache(studentRecord);\n\n // Save cache to sessionStorage\n setJSON(STORAGE_KEYS.CACHE, cache);\n info(`Cache built from IndexedDB: ${cache.totals.total} total questions`);\n } catch {\n info('Failed to load from IndexedDB, initializing empty cache');\n // Create empty cache for first-time users\n const emptyCache: SessionCache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n setJSON(STORAGE_KEYS.CACHE, emptyCache);\n }\n\n // Trigger cache rebuild event\n this.dispatchEvent('qd:cache-rebuild', {});\n\n // Upgrade tables to interactive mode\n this.upgradeTablesAfterLogin();\n })();\n });\n }\n\n /**\n * Upgrade all tables to interactive mode after login\n */\n private upgradeTablesAfterLogin(): void {\n // Extract pageId from URL filename\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n if (!pageId) {\n info('No pageId found, skipping table upgrade to interactive mode');\n return;\n }\n\n // Check if instructor - instructors don't need interactive tables\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n info(\n 'Instructor session detected, tables remain in non-interactive mode with answers visible',\n );\n // Restore answer and detail columns for instructor view\n const quizTables = document.querySelectorAll('table.qd-quiz');\n\n quizTables.forEach((table) => {\n // Get parsed metadata (contains correct answers)\n const metadata = getQuizTableMetadata(table);\n if (!metadata) return;\n\n // Update metadata with pageId for instructor toggle\n metadata.pageId = pageId;\n\n // Remove qd-hidden class from answer column (column 1)\n const answerCells = table.querySelectorAll('td:nth-child(2), th:nth-child(2)');\n answerCells.forEach((cell) => {\n cell.classList.remove('qd-hidden');\n });\n\n // Restore answer text to data cells only (not header)\n const answerDataCells = table.querySelectorAll('tbody td:nth-child(2)');\n answerDataCells.forEach((cell, index) => {\n const question = metadata.parsed.questions[index];\n if (question && cell instanceof HTMLTableCellElement) {\n cell.textContent = question.correctAnswer;\n }\n });\n\n // Remove qd-hidden class from detail column (column 2)\n const detailCells = table.querySelectorAll('td:nth-child(3), th:nth-child(3)');\n detailCells.forEach((cell) => cell.classList.remove('qd-hidden'));\n\n // Set up instructor toggle event listeners (since table is non-interactive)\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if toggle already enabled\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (showAnswers) {\n void showAnswersHandler();\n }\n });\n return;\n }\n\n // Upgrade quiz tables\n const quizTables = document.querySelectorAll('table.qd-quiz');\n if (quizTables.length > 0) {\n info(`Upgrading ${quizTables.length} quiz table(s) to interactive mode...`);\n quizTables.forEach((table) => {\n enhanceQuizTable(table, { interactive: true, pageId });\n });\n }\n\n // Upgrade analysis tables\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n if (analysisTables.length > 0) {\n info(`Upgrading ${analysisTables.length} analysis table(s) to interactive mode...`);\n analysisTables.forEach((table) => {\n enhanceAnalysisTable(table, { interactive: true, pageId });\n });\n }\n }\n\n /**\n * Register handlers for logout events\n */\n private registerLogoutHandlers(): void {\n this.addEventListener('qd:logout', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`Logout event: ${detail.serviceId}`);\n\n // Reset all quiz tables to non-interactive mode\n const quizTables = document.querySelectorAll('table.qd-quiz');\n quizTables.forEach((table) => {\n resetQuizTableToNonInteractive(table);\n });\n\n // Reset all analysis tables to non-interactive mode\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n analysisTables.forEach((table) => {\n resetAnalysisTableToNonInteractive(table);\n });\n\n // Clear any cached data\n this.dispatchEvent('qd:cache-clear', {});\n });\n }\n\n /**\n * Register handlers for answer saved events\n */\n private registerAnswerHandlers(): void {\n this.addEventListener('qd:answer-saved', (event) => {\n const detail = (event as CustomEvent).detail;\n info(\n `Answer saved: ${detail.pageId} Q${detail.questionIndex} = ${detail.answer} (${detail.success ? 'correct' : 'incorrect'})`,\n );\n\n // Trigger cache update\n this.dispatchEvent('qd:cache-update', { pageId: detail.pageId });\n });\n }\n\n /**\n * Register handlers for state changed events\n */\n private registerStateHandlers(): void {\n this.addEventListener('qd:state-changed', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`State changed: ${detail.pageId} → ${detail.state}`);\n\n // Update badge state\n this.dispatchEvent('qd:badge-update', { pageId: detail.pageId, state: detail.state });\n });\n }\n\n /**\n * Register handlers for instructor events\n */\n private registerInstructorHandlers(): void {\n this.addEventListener('qd:instructor-unlock', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`Instructor mode unlocked at ${detail.unlockTime}`);\n });\n\n this.addEventListener('qd:instructor-lock', () => {\n info('Instructor mode locked');\n });\n }\n\n /**\n * Register handlers for data management events\n */\n private registerDataHandlers(): void {\n this.addEventListener('qd:data-cleared', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`All data cleared at ${detail.timestamp}`);\n\n // Clear cache\n this.dispatchEvent('qd:cache-clear', {});\n });\n }\n\n /**\n * Add event listener\n */\n private addEventListener(eventName: string, handler: EventListener): void {\n document.addEventListener(eventName, handler);\n\n // Track listeners for cleanup\n const handlers = this.listeners.get(eventName) || [];\n handlers.push(handler);\n this.listeners.set(eventName, handlers);\n }\n\n /**\n * Dispatch custom event\n */\n private dispatchEvent(eventName: string, detail: T): void {\n const event = new CustomEvent(eventName, {\n detail,\n bubbles: true,\n composed: true,\n });\n document.dispatchEvent(event);\n }\n\n /**\n * Cleanup event listeners\n */\n cleanup(): void {\n for (const [eventName, handlers] of this.listeners) {\n for (const handler of handlers) {\n document.removeEventListener(eventName, handler);\n }\n }\n this.listeners.clear();\n info('Event coordinator cleaned up');\n }\n}\n","/**\n * Session Coordinator\n * Manages session lifecycle and coordinates session-related events\n */\n\nimport { SessionService } from '../services/session.js';\nimport { info, warn } from '../utils/logger.js';\nimport type { SessionData } from '../types/contracts.js';\n\n/**\n * Session coordinator for managing session lifecycle\n */\nexport class SessionCoordinator {\n private sessionService: SessionService;\n private expiryTimeoutId?: number;\n\n constructor() {\n this.sessionService = new SessionService();\n }\n\n /**\n * Initialize session coordinator\n * - Load existing session from storage\n * - Schedule expiry check\n * - Setup activity tracking\n */\n initialize(): void {\n const session = this.sessionService.getSession();\n\n if (session) {\n info(`Existing session loaded for ${session.serviceId}`);\n\n // Check if session is expired\n if (this.sessionService.isExpired()) {\n warn('Session expired, clearing');\n this.sessionService.clearSession();\n return;\n }\n\n // Schedule expiry check\n this.scheduleExpiryCheck(session);\n\n // Setup activity tracking\n this.setupActivityTracking();\n } else {\n info('No existing session found');\n }\n }\n\n /**\n * Schedule expiry check based on session timeout\n */\n private scheduleExpiryCheck(session: SessionData): void {\n // Clear existing timeout\n if (this.expiryTimeoutId !== undefined) {\n window.clearTimeout(this.expiryTimeoutId);\n }\n\n // Calculate time until expiry\n const now = new Date().getTime();\n const expiresAt = new Date(session.expiresAt).getTime();\n const timeUntilExpiry = expiresAt - now;\n\n if (timeUntilExpiry <= 0) {\n // Session already expired\n this.sessionService.clearSession();\n return;\n }\n\n // Schedule expiry\n this.expiryTimeoutId = window.setTimeout(() => {\n info('Session expired (timeout)');\n this.sessionService.clearSession();\n }, timeUntilExpiry);\n }\n\n /**\n * Setup activity tracking to extend session on user interaction\n */\n private setupActivityTracking(): void {\n const activityHandler = (): void => {\n const session = this.sessionService.getSession();\n if (!session) {\n return;\n }\n\n // Update activity timestamp and extend expiry\n this.sessionService.updateActivity();\n\n // Reschedule expiry check\n const updatedSession = this.sessionService.getSession();\n if (updatedSession) {\n this.scheduleExpiryCheck(updatedSession);\n }\n };\n\n // Track common user activities\n const events = ['click', 'keydown', 'scroll', 'mousemove'];\n\n // Debounce activity updates to avoid excessive writes\n let activityDebounceTimeout: number | undefined;\n const debouncedHandler = (): void => {\n if (activityDebounceTimeout !== undefined) {\n window.clearTimeout(activityDebounceTimeout);\n }\n\n activityDebounceTimeout = window.setTimeout(() => {\n activityHandler();\n }, 5000); 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this._$ES}shouldUpdate(t){return!0}update(t){this._$Eq&&=this._$Eq.forEach((t=>this._$ET(t,this[t]))),this._$EM()}updated(t){}firstUpdated(t){}}y.elementStyles=[],y.shadowRootOptions={mode:\"open\"},y[d(\"elementProperties\")]=new Map,y[d(\"finalized\")]=new Map,p?.({ReactiveElement:y}),(a.reactiveElementVersions??=[]).push(\"2.1.1\");export{y as ReactiveElement,s as adoptStyles,u as defaultConverter,t as getCompatibleStyle,f as notEqual};\n//# sourceMappingURL=reactive-element.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t=globalThis,i=t.trustedTypes,s=i?i.createPolicy(\"lit-html\",{createHTML:t=>t}):void 0,e=\"$lit$\",h=`lit$${Math.random().toFixed(9).slice(2)}$`,o=\"?\"+h,n=`<${o}>`,r=document,l=()=>r.createComment(\"\"),c=t=>null===t||\"object\"!=typeof t&&\"function\"!=typeof t,a=Array.isArray,u=t=>a(t)||\"function\"==typeof t?.[Symbol.iterator],d=\"[ 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\":\"\";l+=c===f?s+n:d>=0?(o.push(a),s.slice(0,d)+e+s.slice(d)+h+x):s+h+(-2===d?i:x)}return[P(t,l+(t[s]||\"\")+(2===i?\"\":3===i?\"\":\"\")),o]};class N{constructor({strings:t,_$litType$:s},n){let r;this.parts=[];let c=0,a=0;const u=t.length-1,d=this.parts,[f,v]=V(t,s);if(this.el=N.createElement(f,n),C.currentNode=this.el.content,2===s||3===s){const t=this.el.content.firstChild;t.replaceWith(...t.childNodes)}for(;null!==(r=C.nextNode())&&d.length0){r.textContent=i?i.emptyScript:\"\";for(let i=0;i2||\"\"!==s[0]||\"\"!==s[1]?(this._$AH=Array(s.length-1).fill(new String),this.strings=s):this._$AH=E}_$AI(t,i=this,s,e){const h=this.strings;let o=!1;if(void 0===h)t=S(this,t,i,0),o=!c(t)||t!==this._$AH&&t!==T,o&&(this._$AH=t);else{const e=t;let n,r;for(t=h[0],n=0;n{const e=s?.renderBefore??i;let h=e._$litPart$;if(void 0===h){const t=s?.renderBefore??null;e._$litPart$=h=new R(i.insertBefore(l(),t),t,void 0,s??{})}return h._$AI(t),h};export{Z as _$LH,x as html,w as mathml,T as noChange,E as nothing,B as render,b as svg};\n//# sourceMappingURL=lit-html.js.map\n","import{ReactiveElement as t}from\"@lit/reactive-element\";export*from\"@lit/reactive-element\";import{render as e,noChange as r}from\"lit-html\";export*from\"lit-html\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */const s=globalThis;class i extends t{constructor(){super(...arguments),this.renderOptions={host:this},this._$Do=void 0}createRenderRoot(){const t=super.createRenderRoot();return this.renderOptions.renderBefore??=t.firstChild,t}update(t){const r=this.render();this.hasUpdated||(this.renderOptions.isConnected=this.isConnected),super.update(t),this._$Do=e(r,this.renderRoot,this.renderOptions)}connectedCallback(){super.connectedCallback(),this._$Do?.setConnected(!0)}disconnectedCallback(){super.disconnectedCallback(),this._$Do?.setConnected(!1)}render(){return r}}i._$litElement$=!0,i[\"finalized\"]=!0,s.litElementHydrateSupport?.({LitElement:i});const o=s.litElementPolyfillSupport;o?.({LitElement:i});const n={_$AK:(t,e,r)=>{t._$AK(e,r)},_$AL:t=>t._$AL};(s.litElementVersions??=[]).push(\"4.2.1\");export{i as LitElement,n as _$LE};\n//# sourceMappingURL=lit-element.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t=t=>(e,o)=>{void 0!==o?o.addInitializer((()=>{customElements.define(t,e)})):customElements.define(t,e)};export{t as customElement};\n//# sourceMappingURL=custom-element.js.map\n","import{defaultConverter as t,notEqual as e}from\"../reactive-element.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */const o={attribute:!0,type:String,converter:t,reflect:!1,hasChanged:e},r=(t=o,e,r)=>{const{kind:n,metadata:i}=r;let s=globalThis.litPropertyMetadata.get(i);if(void 0===s&&globalThis.litPropertyMetadata.set(i,s=new Map),\"setter\"===n&&((t=Object.create(t)).wrapped=!0),s.set(r.name,t),\"accessor\"===n){const{name:o}=r;return{set(r){const n=e.get.call(this);e.set.call(this,r),this.requestUpdate(o,n,t)},init(e){return void 0!==e&&this.C(o,void 0,t,e),e}}}if(\"setter\"===n){const{name:o}=r;return function(r){const n=this[o];e.call(this,r),this.requestUpdate(o,n,t)}}throw Error(\"Unsupported decorator location: \"+n)};function n(t){return(e,o)=>\"object\"==typeof o?r(t,e,o):((t,e,o)=>{const r=e.hasOwnProperty(o);return e.constructor.createProperty(o,t),r?Object.getOwnPropertyDescriptor(e,o):void 0})(t,e,o)}export{n as property,r as standardProperty};\n//# sourceMappingURL=property.js.map\n","import{property as t}from\"./property.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */function r(r){return t({...r,state:!0,attribute:!1})}export{r as state};\n//# sourceMappingURL=state.js.map\n","/**\n * DOM Configuration Reader\n *\n * Reads runtime configuration from hidden DOM elements injected by DITA publishing.\n * This allows configuration to be set via Oxygen Transformation Scenario parameters.\n *\n * Pattern: value\n */\n\nimport { info, warn } from '../utils/logger.js';\n\n/**\n * Configuration keys that can be read from DOM\n */\nexport interface DOMConfig {\n /**\n * CSS selector for status panel container\n * Default: '.wh_top_menu_and_indexterms_link'\n * DOM ID: 'qd-status-container'\n */\n statusPanelContainer: string;\n\n /**\n * CSS selector for publication title element (Release ID extraction)\n * Default: '.wh_publication_title .title'\n * DOM ID: 'qd-title-selector'\n */\n titleSelector: string;\n\n /**\n * Instructor password hash (12-character hash for verification)\n * Default: '' (no instructor access)\n * DOM ID: 'qd-instructor-hash'\n */\n instructorHash: string;\n\n /**\n * IndexedDB database name\n * REQUIRED: Must be provided via #qd-db-name element - no default\n * DOM ID: 'qd-db-name'\n */\n dbName: string;\n}\n\n/**\n * Default configuration values\n * NOTE: dbName has NO default - it MUST be provided via #qd-db-name element\n */\nconst DEFAULT_CONFIG: Omit & { dbName: string } = {\n statusPanelContainer: '.wh_top_menu_and_indexterms_link',\n titleSelector: '.wh_publication_title .title',\n instructorHash: '',\n dbName: '', // No default - must be provided by page\n};\n\n/**\n * Configuration element IDs\n */\nexport const CONFIG_IDS = {\n statusPanelContainer: 'qd-status-container',\n titleSelector: 'qd-title-selector',\n instructorHash: 'qd-instructor-hash',\n dbName: 'qd-db-name',\n} as const;\n\n/**\n * Read a configuration value from a hidden DOM element\n *\n * @param elementId - ID of the hidden element\n * @param defaultValue - Default value if element not found\n * @returns Trimmed text content or default value\n */\nfunction readConfigElement(elementId: string, defaultValue: string): string {\n const element = document.querySelector(`#${elementId}`);\n\n if (!element) {\n return defaultValue;\n }\n\n const value = element.textContent?.trim() || '';\n\n if (value === '') {\n warn(`Config element #${elementId} found but empty, using default: \"${defaultValue}\"`);\n return defaultValue;\n }\n\n info(`Config read from #${elementId}: \"${value}\"`);\n return value;\n}\n\n/**\n * Read a REQUIRED configuration value from a hidden DOM element\n *\n * @param elementId - ID of the hidden element\n * @throws Error if element not found or value is empty\n * @returns Trimmed text content\n */\nfunction readRequiredConfigElement(elementId: string): string {\n const element = document.querySelector(`#${elementId}`);\n\n if (!element) {\n const msg = `FATAL: Required config element #${elementId} not found in DOM. Processing stopped.`;\n console.error(msg);\n throw new Error(msg);\n }\n\n const value = element.textContent?.trim() || '';\n\n if (value === '') {\n const msg = `FATAL: Required config element #${elementId} is empty. Processing stopped.`;\n console.error(msg);\n throw new Error(msg);\n }\n\n info(`Required config read from #${elementId}: \"${value}\"`);\n return value;\n}\n\n/**\n * Read all configuration from DOM\n *\n * Scans the document for hidden configuration elements and returns a complete\n * configuration object with defaults applied for any missing values.\n *\n * @returns Complete configuration with defaults applied\n */\nexport function readDOMConfig(): DOMConfig {\n info('Reading configuration from DOM...');\n\n // dbName is REQUIRED - throws if missing/empty\n const dbName = readRequiredConfigElement(CONFIG_IDS.dbName);\n\n const config: DOMConfig = {\n statusPanelContainer: readConfigElement(\n CONFIG_IDS.statusPanelContainer,\n DEFAULT_CONFIG.statusPanelContainer,\n ),\n titleSelector: readConfigElement(CONFIG_IDS.titleSelector, DEFAULT_CONFIG.titleSelector),\n instructorHash: readConfigElement(CONFIG_IDS.instructorHash, DEFAULT_CONFIG.instructorHash),\n dbName,\n };\n\n info('Configuration loaded:', config);\n\n return config;\n}\n\n/**\n * Get default configuration\n *\n * @returns Default configuration object\n */\nexport function getDefaultConfig(): DOMConfig {\n return { ...DEFAULT_CONFIG };\n}\n","/**\n * PIN Authentication Service\n *\n * Provides secure PIN hashing and verification using Web Crypto API.\n * Implements constant-time comparison to prevent timing attacks.\n */\n\nimport { PIN_CONSTANTS } from '../../types/contracts.js';\n\n/**\n * PIN validation result\n */\nexport interface PinValidationResult {\n valid: boolean;\n error?: string;\n}\n\n/**\n * Hash a PIN using SHA-256\n *\n * @param pin - 4-digit PIN to hash\n * @returns Promise resolving to hex-encoded hash\n */\nexport async function hashPin(pin: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(pin);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n}\n\n/**\n * Verify a PIN against a stored hash\n *\n * Uses constant-time comparison to prevent timing attacks.\n *\n * @param pin - PIN to verify\n * @param storedHash - Stored SHA-256 hash\n * @returns Promise resolving to true if PIN matches\n */\nexport async function verifyPin(pin: string, storedHash: string): Promise {\n const inputHash = await hashPin(pin);\n return constantTimeCompare(inputHash, storedHash);\n}\n\n/**\n * Constant-time string comparison\n *\n * Compares strings in constant time to prevent timing attacks.\n * XORs each character and accumulates differences.\n *\n * @param a - First string\n * @param b - Second string\n * @returns true if strings are equal\n */\nfunction constantTimeCompare(a: string, b: string): boolean {\n if (a.length !== b.length) {\n return false;\n }\n\n let result = 0;\n for (let i = 0; i < a.length; i++) {\n result |= a.charCodeAt(i) ^ b.charCodeAt(i);\n }\n return result === 0;\n}\n\n/**\n * Validate PIN format\n *\n * @param pin - PIN to validate\n * @returns Validation result with error message if invalid\n */\nexport function validatePinFormat(pin: string): PinValidationResult {\n if (!pin) {\n return { valid: false, error: 'PIN is required' };\n }\n\n if (pin.length !== PIN_CONSTANTS.PIN_LENGTH) {\n return { valid: false, error: `PIN must be exactly ${PIN_CONSTANTS.PIN_LENGTH} digits` };\n }\n\n if (!/^\\d+$/.test(pin)) {\n return { valid: false, error: 'PIN must contain only digits' };\n }\n\n return { valid: true };\n}\n\n/**\n * Validate PIN confirmation matches\n *\n * @param pin - Original PIN\n * @param confirm - Confirmation PIN\n * @returns Validation result with error message if mismatch\n */\nexport function validatePinConfirmation(pin: string, confirm: string): PinValidationResult {\n if (pin !== confirm) {\n return { valid: false, error: 'PINs do not match' };\n }\n return { valid: true };\n}\n","/**\n * Rate Limiter Service for PIN Authentication\n *\n * Tracks failed PIN attempts using sessionStorage.\n * Implements lockout after 3 failed attempts for 30 seconds.\n */\n\nimport type { PinAttemptState, ServiceId } from '../../types/contracts.js';\nimport { PIN_CONSTANTS, STORAGE_KEYS } from '../../types/contracts.js';\nimport { info, warn, maskServiceId } from '../../utils/logger.js';\n\n/**\n * Get the storage key for a service ID's PIN attempts\n */\nfunction getAttemptKey(serviceId: ServiceId): string {\n return `${STORAGE_KEYS.PIN_ATTEMPTS}:${serviceId}`;\n}\n\n/**\n * Get the current PIN attempt state for a service ID\n *\n * @param serviceId - Student service ID\n * @returns Current attempt state or null if none\n */\nexport function getAttemptState(serviceId: ServiceId): PinAttemptState | null {\n const key = getAttemptKey(serviceId);\n const data = sessionStorage.getItem(key);\n if (!data) {\n return null;\n }\n try {\n return JSON.parse(data) as PinAttemptState;\n } catch {\n return null;\n }\n}\n\n/**\n * Check if a service ID is currently locked out\n *\n * @param serviceId - Student service ID\n * @returns Object with isLocked status and remainingMs if locked\n */\nexport function checkLockout(serviceId: ServiceId): { isLocked: boolean; remainingMs: number } {\n const state = getAttemptState(serviceId);\n if (!state || !state.lockoutUntil) {\n return { isLocked: false, remainingMs: 0 };\n }\n\n const lockoutTime = new Date(state.lockoutUntil).getTime();\n const now = Date.now();\n\n if (lockoutTime > now) {\n return { isLocked: true, remainingMs: lockoutTime - now };\n }\n\n // Lockout expired, clear state\n clearAttemptState(serviceId);\n return { isLocked: false, remainingMs: 0 };\n}\n\n/**\n * Record a failed PIN attempt\n *\n * Increments attempt counter and sets lockout if threshold reached.\n *\n * @param serviceId - Student service ID\n * @returns Updated attempt state\n */\nexport function recordFailedAttempt(serviceId: ServiceId): PinAttemptState {\n const now = new Date().toISOString();\n let state = getAttemptState(serviceId);\n\n if (!state) {\n state = {\n serviceId,\n attempts: 0,\n lockoutUntil: null,\n lastAttempt: now,\n };\n }\n\n state.attempts += 1;\n state.lastAttempt = now;\n\n // Check if lockout threshold reached\n if (state.attempts >= PIN_CONSTANTS.MAX_ATTEMPTS) {\n const lockoutTime = new Date(Date.now() + PIN_CONSTANTS.LOCKOUT_MS);\n state.lockoutUntil = lockoutTime.toISOString();\n warn(\n `PIN lockout triggered for ${maskServiceId(serviceId)} after ${state.attempts} failed attempts`,\n );\n } else {\n info(\n `Failed PIN attempt ${state.attempts}/${PIN_CONSTANTS.MAX_ATTEMPTS} for ${maskServiceId(serviceId)}`,\n );\n }\n\n // Save to sessionStorage\n const key = getAttemptKey(serviceId);\n sessionStorage.setItem(key, JSON.stringify(state));\n\n return state;\n}\n\n/**\n * Clear PIN attempt state on successful login\n *\n * @param serviceId - Student service ID\n */\nexport function clearAttemptState(serviceId: ServiceId): void {\n const state = getAttemptState(serviceId);\n if (state && state.attempts > 0) {\n info(\n `Cleared ${state.attempts} failed PIN attempts for ${maskServiceId(serviceId)} on successful login`,\n );\n }\n const key = getAttemptKey(serviceId);\n sessionStorage.removeItem(key);\n}\n\n/**\n * Get remaining attempts before lockout\n *\n * @param serviceId - Student service ID\n * @returns Number of attempts remaining (0 if locked out)\n */\nexport function getRemainingAttempts(serviceId: ServiceId): number {\n const state = getAttemptState(serviceId);\n if (!state) {\n return PIN_CONSTANTS.MAX_ATTEMPTS;\n }\n\n const lockout = checkLockout(serviceId);\n if (lockout.isLocked) {\n return 0;\n }\n\n return Math.max(0, PIN_CONSTANTS.MAX_ATTEMPTS - state.attempts);\n}\n","/**\n * Build Info Component\n *\n * Displays a small info icon (i) that shows build information on hover.\n * Tooltip shows: app name and build date.\n *\n * @element qd-build-info\n *\n * @example\n * ```html\n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement } from 'lit/decorators.js';\n\n// Type declaration for Vite build-time constant\ndeclare const __BUILD_DATE__: string;\n\n/**\n * Build info component with tooltip\n */\n@customElement('qd-build-info')\nexport class QdBuildInfo extends LitElement {\n static styles = css`\n :host {\n display: inline-block;\n position: relative;\n }\n\n .info-icon {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 16px;\n height: 16px;\n border-radius: 50%;\n background: #6c757d;\n color: white;\n font-size: 10px;\n font-weight: bold;\n font-style: italic;\n font-family: Georgia, serif;\n cursor: help;\n user-select: none;\n }\n\n .info-icon:hover {\n background: #5a6268;\n }\n\n .tooltip {\n position: absolute;\n top: 50%;\n right: 100%;\n transform: translateY(-50%);\n margin-right: 8px;\n padding: 8px 12px;\n background: #333;\n color: white;\n font-size: 11px;\n font-style: normal;\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n border-radius: 4px;\n white-space: nowrap;\n opacity: 0;\n visibility: hidden;\n transition:\n opacity 0.2s,\n visibility 0.2s;\n z-index: 1000;\n pointer-events: none;\n }\n\n .tooltip::after {\n content: '';\n position: absolute;\n top: 50%;\n left: 100%;\n transform: translateY(-50%);\n border: 5px solid transparent;\n border-left-color: #333;\n }\n\n .info-icon:hover + .tooltip,\n .info-icon:focus + .tooltip {\n opacity: 1;\n visibility: visible;\n }\n\n .tooltip-line {\n display: block;\n line-height: 1.4;\n }\n `;\n\n render() {\n const buildDate = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : 'Development';\n\n return html`\n i\n
                        \n BrowserTest, from Deep Blue C Ltd\n Built ${buildDate}\n
                        \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-build-info': QdBuildInfo;\n }\n}\n","/**\n * Base Modal Component\n *\n * Reusable modal with backdrop, keyboard handling, and focus trap.\n * Uses fixed positioning with high z-index for proper stacking.\n * Used as base for scores modal, password modal, and confirm dialogs.\n *\n * @element qd-modal\n * @fires {CustomEvent} qd:modal-close - Emitted when modal closes via Escape or backdrop click\n *\n * @slot - Default slot for modal content\n * @slot header - Optional header slot for modal title\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\n\n// Track currently open modal for collision handling\nlet currentOpenModal: QdModal | null = null;\n\n/**\n * Base modal component with common modal behavior\n * Uses fixed positioning for proper z-index stacking\n */\n@customElement('qd-modal')\nexport class QdModal extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .backdrop {\n display: none;\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: rgba(0, 0, 0, 0.5);\n align-items: center;\n justify-content: center;\n z-index: 99999;\n font-family: system-ui, -apple-system, sans-serif;\n animation: qd-modal-fadeIn 0.15s ease-out;\n }\n\n :host([open]) .backdrop {\n display: flex;\n }\n\n @keyframes qd-modal-fadeIn {\n from {\n opacity: 0;\n }\n to {\n opacity: 1;\n }\n }\n\n .content {\n background: white;\n border-radius: 8px;\n box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);\n max-width: 90vw;\n max-height: 90vh;\n overflow: auto;\n animation: qd-modal-slideIn 0.15s ease-out;\n }\n\n @keyframes qd-modal-slideIn {\n from {\n transform: translateY(-20px);\n opacity: 0;\n }\n to {\n transform: translateY(0);\n opacity: 1;\n }\n }\n\n .header {\n display: flex;\n align-items: center;\n justify-content: space-between;\n padding: 16px 20px;\n border-bottom: 1px solid #eee;\n font-weight: 600;\n font-size: 18px;\n }\n\n .header ::slotted(*) {\n margin: 0;\n }\n\n /* Hide header when slot is empty and no close button needed */\n .header:not(:has(::slotted(*))) .header-title {\n display: none;\n }\n\n .close-button {\n background: none;\n border: none;\n cursor: pointer;\n padding: 4px 8px;\n font-size: 20px;\n color: #666;\n line-height: 1;\n border-radius: 4px;\n transition: background-color 0.2s, color 0.2s;\n margin-left: auto;\n }\n\n .close-button:hover {\n background: #f0f0f0;\n color: #333;\n }\n\n .close-button:focus {\n outline: 2px solid #0066cc;\n outline-offset: 2px;\n }\n\n .body {\n padding: 20px;\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n `;\n\n /**\n * Whether the modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Whether the modal can be closed via Escape/backdrop click\n */\n @property({ type: Boolean })\n closable = true;\n\n /**\n * Previously focused element (for focus restoration)\n */\n private previouslyFocused: Element | null = null;\n\n connectedCallback() {\n super.connectedCallback();\n document.addEventListener('keydown', this.handleKeyDown);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('keydown', this.handleKeyDown);\n\n // Clean up if this was the open modal\n if (currentOpenModal === this) {\n currentOpenModal = null;\n }\n }\n\n override updated(changedProperties: Map) {\n if (changedProperties.has('open')) {\n if (this.open) {\n this.handleOpen();\n } else {\n this.handleClose();\n }\n }\n }\n\n override render() {\n return html`\n
                        \n \n
                        \n \n ${this.closable\n ? html`\n ×\n `\n : ''}\n
                        \n
                        \n \n
                        \n
                        \n \n `;\n }\n\n /**\n * Open the modal\n */\n show() {\n this.open = true;\n }\n\n /**\n * Close the modal\n */\n close() {\n this.open = false;\n }\n\n /**\n * Handle modal opening\n */\n private handleOpen() {\n // Modal collision: close any existing open modal\n if (currentOpenModal && currentOpenModal !== this) {\n currentOpenModal.close();\n }\n // eslint-disable-next-line @typescript-eslint/no-this-alias -- needed for modal collision tracking\n currentOpenModal = this;\n\n // Store currently focused element for restoration\n this.previouslyFocused = document.activeElement;\n\n // Focus first focusable element after render\n requestAnimationFrame(() => {\n this.focusFirstElement();\n });\n }\n\n /**\n * Handle modal closing\n */\n private handleClose() {\n if (currentOpenModal === this) {\n currentOpenModal = null;\n }\n\n // Restore focus\n if (this.previouslyFocused instanceof HTMLElement) {\n this.previouslyFocused.focus();\n }\n }\n\n /**\n * Focus the first focusable element in the modal\n */\n private focusFirstElement() {\n const content = this.shadowRoot?.querySelector('.content');\n if (!content) return;\n\n // Check slotted content for focusable elements\n const slot = this.shadowRoot?.querySelector('slot:not([name])') as HTMLSlotElement;\n if (slot) {\n const assignedElements = slot.assignedElements({ flatten: true });\n for (const el of assignedElements) {\n const focusable = el.querySelector(\n 'button, [href], input, select, textarea, [tabindex]:not([tabindex=\"-1\"])',\n );\n if (focusable) {\n focusable.focus();\n return;\n }\n // Check if element itself is focusable\n if (el instanceof HTMLElement && el.matches('button, [href], input, select, textarea, [tabindex]:not([tabindex=\"-1\"])')) {\n el.focus();\n return;\n }\n }\n }\n }\n\n /**\n * Handle keyboard events\n */\n private handleKeyDown = (event: KeyboardEvent) => {\n if (event.key === 'Escape' && this.open && this.closable) {\n this.emitCloseEvent();\n this.close();\n }\n };\n\n /**\n * Handle backdrop click\n */\n private handleBackdropClick = () => {\n if (this.closable) {\n this.emitCloseEvent();\n this.close();\n }\n };\n\n /**\n * Handle close button click\n */\n private handleCloseClick = () => {\n this.emitCloseEvent();\n this.close();\n };\n\n /**\n * Stop propagation for content clicks\n */\n private stopPropagation = (event: Event) => {\n event.stopPropagation();\n };\n\n /**\n * Emit close event\n */\n private emitCloseEvent() {\n const event = new CustomEvent('qd:modal-close', {\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-modal': QdModal;\n }\n}\n","/**\n * Password modal component\n *\n * Reusable password entry modal using qd-modal base.\n * Used by qd-login for instructor authentication.\n *\n * Feature: 007-lit-component-refactor\n *\n * @element qd-password-modal\n * @fires {CustomEvent<{password: string}>} qd:password-submit - Emitted on form submission\n * @fires {CustomEvent} close - Emitted when modal closes\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state, query } from 'lit/decorators.js';\nimport './qd-modal.js';\n\n@customElement('qd-password-modal')\nexport class QdPasswordModal extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .password-form {\n display: flex;\n flex-direction: column;\n gap: 16px;\n padding: 8px 0;\n }\n\n .form-field {\n display: flex;\n flex-direction: column;\n gap: 4px;\n }\n\n label {\n font-size: 13px;\n font-weight: 500;\n color: #333;\n }\n\n input[type='password'] {\n padding: 8px 12px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 14px;\n width: 100%;\n box-sizing: border-box;\n }\n\n input[type='password']:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n\n .button-row {\n display: flex;\n gap: 8px;\n justify-content: flex-end;\n margin-top: 8px;\n }\n\n button {\n padding: 8px 16px;\n border: none;\n border-radius: 4px;\n font-size: 13px;\n font-weight: 500;\n cursor: pointer;\n transition: background-color 0.2s;\n }\n\n button[type='submit'] {\n background: #0066cc;\n color: white;\n }\n\n button[type='submit']:hover {\n background: #0052a3;\n }\n\n button[type='button'] {\n background: #e0e0e0;\n color: #333;\n }\n\n button[type='button']:hover {\n background: #d0d0d0;\n }\n `;\n\n /**\n * Whether modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Modal title\n */\n @property({ type: String })\n title = 'Enter Password';\n\n /**\n * Error message to display\n */\n @property({ type: String })\n error = '';\n\n /**\n * Internal password value\n */\n @state()\n private password = '';\n\n /**\n * Reference to password input\n */\n @query('input[type=\"password\"]')\n private passwordInput!: HTMLInputElement;\n\n /**\n * Show the modal\n */\n show(): void {\n this.open = true;\n this.password = '';\n this.error = '';\n }\n\n /**\n * Close the modal\n */\n close(): void {\n this.open = false;\n this.password = '';\n this.error = '';\n this.dispatchEvent(new CustomEvent('close', { bubbles: true, composed: true }));\n }\n\n /**\n * Handle modal close from qd-modal\n */\n private handleModalClose = (): void => {\n this.close();\n };\n\n /**\n * Handle password input\n */\n private handleInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.password = input.value;\n // Clear error on input\n if (this.error) {\n this.error = '';\n }\n };\n\n /**\n * Handle form submission\n */\n private handleSubmit = (e: Event): void => {\n e.preventDefault();\n\n if (!this.password.trim()) {\n return;\n }\n\n this.dispatchEvent(\n new CustomEvent('qd:password-submit', {\n detail: { password: this.password },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle cancel button\n */\n private handleCancel = (): void => {\n this.close();\n };\n\n /**\n * Focus password input when modal opens\n */\n override updated(changedProps: Map): void {\n if (changedProps.has('open') && this.open) {\n // Reset state when opening\n this.password = '';\n // Focus input after render\n void this.updateComplete.then(() => {\n this.passwordInput?.focus();\n });\n }\n }\n\n override render() {\n // Don't render form when closed - prevents duplicate submit buttons in parent\n if (!this.open) {\n return nothing;\n }\n\n return html`\n \n ${this.title}\n\n
                        \n
                        \n \n \n
                        \n\n ${this.error ? html`
                        ${this.error}
                        ` : ''}\n\n
                        \n \n \n
                        \n
                        \n                         \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-password-modal': QdPasswordModal;\n }\n}\n","import{desc as t}from\"./base.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */function e(e,r){return(n,s,i)=>{const o=t=>t.renderRoot?.querySelector(e)??null;if(r){const{get:e,set:r}=\"object\"==typeof s?n:i??(()=>{const t=Symbol();return{get(){return this[t]},set(e){this[t]=e}}})();return t(n,s,{get(){let t=e.call(this);return void 0===t&&(t=o(this),(null!==t||this.hasUpdated)&&r.call(this,t)),t}})}return t(n,s,{get(){return o(this)}})}}export{e as query};\n//# sourceMappingURL=query.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst e=(e,t,c)=>(c.configurable=!0,c.enumerable=!0,Reflect.decorate&&\"object\"!=typeof t&&Object.defineProperty(e,t,c),c);export{e as desc};\n//# sourceMappingURL=base.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t={ATTRIBUTE:1,CHILD:2,PROPERTY:3,BOOLEAN_ATTRIBUTE:4,EVENT:5,ELEMENT:6},e=t=>(...e)=>({_$litDirective$:t,values:e});class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,e,i){this._$Ct=t,this._$AM=e,this._$Ci=i}_$AS(t,e){return this.update(t,e)}update(t,e){return this.render(...e)}}export{i as Directive,t as PartType,e as directive};\n//# sourceMappingURL=directive.js.map\n","import{nothing as t,noChange as i}from\"../lit-html.js\";import{Directive as r,PartType as s,directive as n}from\"../directive.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */class e extends r{constructor(i){if(super(i),this.it=t,i.type!==s.CHILD)throw Error(this.constructor.directiveName+\"() can only be used in child bindings\")}render(r){if(r===t||null==r)return this._t=void 0,this.it=r;if(r===i)return r;if(\"string\"!=typeof r)throw Error(this.constructor.directiveName+\"() called with a non-string value\");if(r===this.it)return this._t;this.it=r;const s=[r];return s.raw=s,this._t={_$litType$:this.constructor.resultType,strings:s,values:[]}}}e.directiveName=\"unsafeHTML\",e.resultType=1;const o=n(e);export{e as UnsafeHTMLDirective,o as unsafeHTML};\n//# sourceMappingURL=unsafe-html.js.map\n","/**\n * Confirmation dialog component\n *\n * Reusable confirmation modal using qd-modal base.\n * Supports confirm/cancel buttons with optional destructive styling.\n *\n * Feature: 007-lit-component-refactor\n *\n * @element qd-confirm-dialog\n * @fires {CustomEvent} qd:confirm - Emitted when confirm button is clicked\n * @fires {CustomEvent} qd:cancel - Emitted when cancel button is clicked or dialog is dismissed\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { unsafeHTML } from 'lit/directives/unsafe-html.js';\nimport './qd-modal.js';\n\n@customElement('qd-confirm-dialog')\nexport class QdConfirmDialog extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .confirm-content {\n padding: 8px 0;\n }\n\n .message {\n font-size: 14px;\n color: #333;\n line-height: 1.5;\n margin-bottom: 24px;\n }\n\n .button-row {\n display: flex;\n gap: 8px;\n justify-content: flex-end;\n }\n\n button {\n padding: 8px 16px;\n border: none;\n border-radius: 4px;\n font-size: 13px;\n font-weight: 500;\n cursor: pointer;\n transition: background-color 0.2s;\n }\n\n .cancel-btn {\n background: #e0e0e0;\n color: #333;\n }\n\n .cancel-btn:hover {\n background: #d0d0d0;\n }\n\n .confirm-btn {\n background: #0066cc;\n color: white;\n }\n\n .confirm-btn:hover {\n background: #0052a3;\n }\n\n .confirm-btn.destructive {\n background: #d32f2f;\n }\n\n .confirm-btn.destructive:hover {\n background: #b71c1c;\n }\n `;\n\n /**\n * Whether dialog is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Dialog title\n */\n @property({ type: String })\n title = 'Confirm';\n\n /**\n * Message to display (supports HTML)\n */\n @property({ type: String })\n message = '';\n\n /**\n * Text for confirm button\n */\n @property({ type: String })\n confirmText = 'Confirm';\n\n /**\n * Text for cancel button\n */\n @property({ type: String })\n cancelText = 'Cancel';\n\n /**\n * Whether this is a destructive action (red confirm button)\n */\n @property({ type: Boolean })\n destructive = false;\n\n /**\n * Show the dialog\n */\n show(): void {\n this.open = true;\n }\n\n /**\n * Close the dialog\n */\n close(): void {\n this.open = false;\n }\n\n /**\n * Handle modal close from qd-modal (backdrop click, Escape)\n */\n private handleModalClose = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:cancel', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle confirm button click\n */\n private handleConfirm = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:confirm', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle cancel button click\n */\n private handleCancel = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:cancel', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n override render() {\n return html`\n \n ${this.title}\n\n
                        \n
                        ${unsafeHTML(this.message)}
                        \n\n
                        \n \n \n ${this.confirmText}\n \n
                        \n
                        \n                         \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-confirm-dialog': QdConfirmDialog;\n }\n}\n","/**\n * Login Component\n *\n * Compact authentication for both students and instructors.\n * Horizontal layout with Name + Service ID fields, Login + Instructor buttons.\n * Release is read from document title (.wh_publication_title .title).\n *\n * @element qd-login\n * @fires {CustomEvent<{serviceId: string, name: string, release: string, role: 'student' | 'instructor'}>} qd:login - Emitted on successful auth\n *\n * @example\n * ```html\n *
                        \n * TRV Connectors Autumn 2025\n *
                        \n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state, property } from 'lit/decorators.js';\nimport { STORAGE_KEYS, SCHEMA_VERSION } from '../types/contracts.js';\nimport type { SessionData, StudentRecord } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { validateStudentForm, sanitizePinInput } from '../utils/validation-helpers.js';\nimport { SessionService } from '../services/session.js';\nimport { CONFIG_IDS } from '../config/dom-config-reader.js';\nimport { getStorageAdapter } from '../services/storage/indexeddb.js';\nimport { needsMigration, hasPinSet, completePinSetup } from '../services/storage/migration.js';\nimport { verifyPin, hashPin } from '../services/auth/pin-service.js';\nimport {\n checkLockout,\n recordFailedAttempt,\n clearAttemptState,\n getRemainingAttempts,\n} from '../services/auth/rate-limiter.js';\nimport './qd-build-info.js';\nimport './qd-password-modal.js';\nimport './qd-confirm-dialog.js';\n\n/**\n * Login event data\n */\ninterface LoginData {\n serviceId: string;\n name: string;\n release: string;\n role: 'student' | 'instructor';\n}\n\n/**\n * Login component for student and instructor authentication\n */\n@customElement('qd-login')\nexport class QdLogin extends LitElement {\n /**\n * Title text (configurable via init())\n */\n @property({ type: String })\n title = 'Sonar Quiz System';\n\n /**\n * Form field: Student name\n */\n @state()\n private name = '';\n\n /**\n * Form field: Service ID (2-10 alphanumeric)\n */\n @state()\n private serviceId = '';\n\n /**\n * Whether instructor modal is open\n */\n @state()\n private showInstructorModal = false;\n\n /**\n * Instructor modal error message\n */\n @state()\n private instructorError = '';\n\n /**\n * Error message to display\n */\n @state()\n private errorMessage = '';\n\n /**\n * Whether form is currently submitting\n */\n @state()\n private isSubmitting = false;\n\n /**\n * PIN input\n */\n @state()\n private pin = '';\n\n /**\n * Lockout countdown in seconds\n */\n @state()\n private lockoutSeconds = 0;\n\n /**\n * Whether PIN stored confirmation is shown\n */\n @state()\n private showPinConfirmation = false;\n\n /**\n * Lockout countdown interval\n */\n private lockoutInterval: number | null = null;\n\n static styles = css`\n :host {\n display: none; /* Hidden if already logged in */\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n }\n\n :host([data-show]) {\n display: block;\n }\n\n .login-container {\n padding: 8px 12px;\n background: #fff;\n border: 1px solid #ddd;\n border-radius: 4px;\n max-width: 480px;\n }\n\n .title {\n margin: 0 0 8px 0;\n font-size: 15px;\n font-weight: 600;\n color: #333;\n }\n\n .login-form {\n display: flex;\n gap: 6px;\n align-items: flex-start;\n flex-wrap: wrap;\n }\n\n input {\n padding: 6px 10px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 11px;\n width: 110px;\n min-width: 75px;\n max-width: 110px;\n }\n\n input.pin-input {\n width: 45px;\n min-width: 45px;\n max-width: 45px;\n text-align: center;\n letter-spacing: 1px;\n }\n\n input:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n input:disabled {\n background-color: #f5f5f5;\n cursor: not-allowed;\n }\n\n button {\n padding: 6px 12px;\n border: none;\n border-radius: 4px;\n font-size: 11px;\n font-weight: 500;\n cursor: pointer;\n transition: all 0.2s;\n white-space: nowrap;\n }\n\n .login-btn {\n background: #0066cc;\n color: white;\n }\n\n .login-btn:hover:not(:disabled) {\n background: #0052a3;\n }\n\n .login-btn:disabled {\n background: #ccc;\n cursor: not-allowed;\n }\n\n .instructor-btn {\n background: #6c757d;\n color: white;\n }\n\n .instructor-btn:hover {\n background: #5a6268;\n }\n\n .error-message {\n width: 100%;\n color: #d32f2f;\n font-size: 11px;\n margin-top: 3px;\n padding: 4px 8px;\n background: #ffebee;\n border-radius: 3px;\n border-left: 3px solid #d32f2f;\n }\n\n .lockout-message {\n width: 100%;\n color: #f57c00;\n font-size: 11px;\n margin-top: 3px;\n padding: 4px 8px;\n background: #fff3e0;\n border-radius: 3px;\n border-left: 3px solid #f57c00;\n }\n\n /* Responsive */\n @media (max-width: 600px) {\n .login-form {\n flex-direction: column;\n }\n\n input,\n button {\n width: 100%;\n }\n }\n `;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n }\n\n /**\n * Lifecycle: Called after first render completes (shadow DOM ready)\n */\n firstUpdated() {\n this.setAttribute('data-ready', '');\n }\n\n /**\n * Update visibility - show only if NOT logged in\n */\n private updateVisibility(): void {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n /**\n * Handle logout event - show login form again\n */\n private handleLogoutEvent = (): void => {\n // Reset component state\n this.name = '';\n this.serviceId = '';\n this.errorMessage = '';\n this.isSubmitting = false;\n this.showInstructorModal = false;\n this.instructorError = '';\n this.pin = '';\n this.lockoutSeconds = 0;\n this.showPinConfirmation = false;\n\n // Clean up lockout interval\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n\n // Show login form\n this.updateVisibility();\n };\n\n render() {\n return html`\n
                        \n
                        ${this.title}
                        \n\n
                        this.handleStudentLogin(e)}>\n this.handleNameInput(e)}\n ?disabled=${this.isSubmitting}\n required\n />\n\n this.handleServiceIdInput(e)}\n ?disabled=${this.isSubmitting}\n pattern=\"[A-Za-z0-9]{2,10}\"\n title=\"2-10 alphanumeric characters\"\n required\n />\n\n this.handlePinInput(e)}\n ?disabled=${this.isSubmitting || this.lockoutSeconds > 0}\n required\n />\n\n 0}\n >\n Login\n \n\n this.openInstructorModal()}\n ?disabled=${this.isSubmitting}\n >\n Instructor\n \n\n ${this.errorMessage ? html`
                        ${this.errorMessage}
                        ` : ''}\n ${this.lockoutSeconds > 0\n ? html`
                        \n Too many attempts. Try again in ${this.lockoutSeconds}s\n
                        `\n : ''}\n \n
                        \n\n \n\n \n `;\n }\n\n /**\n * Handle password submission from modal\n */\n private handleInstructorPasswordSubmit = (e: CustomEvent<{ password: string }>): void => {\n void this.handleInstructorLogin(e.detail.password);\n };\n\n /**\n * Handle modal close\n */\n private handleInstructorModalClose = (): void => {\n this.showInstructorModal = false;\n this.instructorError = '';\n };\n\n /**\n * Handle name input\n */\n private handleNameInput(e: Event) {\n const input = e.target as HTMLInputElement;\n this.name = input.value;\n this.errorMessage = '';\n }\n\n /**\n * Handle service ID input\n */\n private handleServiceIdInput(e: Event) {\n const input = e.target as HTMLInputElement;\n this.serviceId = input.value;\n this.errorMessage = '';\n }\n\n /**\n * Handle PIN input\n */\n private handlePinInput(e: Event) {\n const input = e.target as HTMLInputElement;\n // Filter to digits only using validation helper\n this.pin = sanitizePinInput(input.value);\n this.errorMessage = '';\n }\n\n /**\n * Check if student form is valid using validation helper\n */\n private isValid(): boolean {\n const errors = validateStudentForm(this.name, this.serviceId, this.pin);\n return errors.length === 0;\n }\n\n /**\n * Get release from document title\n * Reads selector from config, then queries document\n */\n private getRelease(): string {\n // Read title selector from config element\n const selectorElement = document.getElementById(CONFIG_IDS.titleSelector);\n const selector = selectorElement?.textContent?.trim() || '.wh_publication_title .title';\n\n // Use selector to find title element\n const titleElement = document.querySelector(selector);\n return titleElement?.textContent?.trim() || '';\n }\n\n /**\n * Handle student login\n */\n private async handleStudentLogin(e: Event) {\n e.preventDefault();\n\n if (!this.isValid()) {\n this.errorMessage = 'Please enter name, service ID, and 4-digit PIN';\n return;\n }\n\n this.isSubmitting = true;\n this.errorMessage = '';\n\n try {\n const release = this.getRelease();\n if (!release) {\n this.errorMessage = 'Release not found (missing publication title element)';\n this.isSubmitting = false;\n return;\n }\n\n const serviceId = this.serviceId.trim();\n const name = this.name.trim();\n\n // Check for lockout\n const lockout = checkLockout(serviceId);\n if (lockout.isLocked) {\n this.startLockoutCountdown(lockout.remainingMs);\n this.isSubmitting = false;\n return;\n }\n\n // Get storage adapter with configured db name\n const dbNameElement = document.getElementById(CONFIG_IDS.dbName);\n if (!dbNameElement?.textContent?.trim()) {\n throw new Error(\n `Database name not configured. Add dbName to page.`,\n );\n }\n const dbName = dbNameElement.textContent.trim();\n const storage = getStorageAdapter(dbName);\n await storage.init();\n const existingStudent = await storage.getStudent(release, serviceId);\n\n if (existingStudent) {\n // Check if student needs PIN setup (migration or no PIN)\n if (needsMigration(existingStudent) || !hasPinSet(existingStudent)) {\n // Hash the entered PIN and update student\n const pinHash = await hashPin(this.pin);\n const updatedStudent = completePinSetup(existingStudent, pinHash);\n await storage.saveStudent(updatedStudent);\n\n // Emit PIN created event\n this.dispatchEvent(\n new CustomEvent('qd:pin-created', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Show confirmation and complete login\n this.showPinStoredConfirmation();\n this.completeLogin(serviceId, name, release);\n return;\n }\n\n // Existing student with PIN - verify it\n const isValid = await verifyPin(this.pin, existingStudent.pinHash || '');\n if (!isValid) {\n // Record failed attempt\n const state = recordFailedAttempt(serviceId);\n const remaining = getRemainingAttempts(serviceId);\n\n if (state.lockoutUntil) {\n const lockoutMs = new Date(state.lockoutUntil).getTime() - Date.now();\n this.startLockoutCountdown(lockoutMs);\n } else {\n this.errorMessage = `Incorrect PIN. ${remaining} attempt${remaining !== 1 ? 's' : ''} remaining`;\n }\n\n this.pin = '';\n this.isSubmitting = false;\n return;\n }\n\n // PIN verified - clear rate limit and emit event\n clearAttemptState(serviceId);\n this.dispatchEvent(\n new CustomEvent('qd:pin-verified', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n } else {\n // New student - hash PIN and create record\n const pinHash = await hashPin(this.pin);\n const newStudent: StudentRecord = {\n schema: SCHEMA_VERSION,\n docId: '',\n release,\n serviceId,\n name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n pinHash,\n pinCreatedAt: new Date().toISOString(),\n };\n await storage.saveStudent(newStudent);\n\n // Emit PIN created event\n this.dispatchEvent(\n new CustomEvent('qd:pin-created', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Show confirmation and complete login\n this.showPinStoredConfirmation();\n this.completeLogin(serviceId, name, release);\n return;\n }\n\n // Complete the login\n this.completeLogin(serviceId, name, release);\n } catch (err) {\n this.errorMessage = 'Login failed. Please try again.';\n console.error('Student login error:', err);\n this.isSubmitting = false;\n }\n }\n\n /**\n * Show confirmation popup that PIN has been stored\n */\n private showPinStoredConfirmation(): void {\n this.showPinConfirmation = true;\n }\n\n /**\n * Handle PIN confirmation dialog dismiss\n */\n private handlePinConfirmationDismiss = (): void => {\n this.showPinConfirmation = false;\n };\n\n /**\n * Start lockout countdown timer\n */\n private startLockoutCountdown(remainingMs: number): void {\n this.lockoutSeconds = Math.ceil(remainingMs / 1000);\n this.errorMessage = '';\n\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n }\n\n this.lockoutInterval = window.setInterval(() => {\n this.lockoutSeconds--;\n if (this.lockoutSeconds <= 0) {\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n }\n }, 1000);\n }\n\n /**\n * Complete the login process\n */\n private completeLogin(serviceId: string, name: string, release: string): void {\n // Create session in storage\n const sessionService = new SessionService();\n sessionService.createSession(serviceId, name, release);\n\n const loginData: LoginData = {\n serviceId,\n name,\n release,\n role: 'student',\n };\n\n const event = new CustomEvent('qd:login', {\n detail: loginData,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n\n // Reset state\n this.pin = '';\n this.isSubmitting = false;\n\n // Hide component on successful login\n this.updateVisibility();\n }\n\n /**\n * Open instructor modal\n */\n private openInstructorModal() {\n this.showInstructorModal = true;\n this.instructorError = '';\n }\n\n /**\n * Hash password using SHA-256\n */\n private async hashPassword(password: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n // Return first 12 characters for author-friendly Oxygen dialogs\n return hashArray\n .map((b) => b.toString(16).padStart(2, '0'))\n .join('')\n .substring(0, 12);\n }\n\n /**\n * Get expected password hash from hidden element\n */\n private getExpectedHash(): string {\n const hashElement = document.getElementById(CONFIG_IDS.instructorHash);\n return hashElement?.textContent?.trim() || '';\n }\n\n /**\n * Handle instructor login with password\n */\n private async handleInstructorLogin(password: string) {\n try {\n const passwordHash = await this.hashPassword(password);\n const expectedHash = this.getExpectedHash();\n\n if (!expectedHash) {\n this.instructorError = 'Instructor password not configured';\n return;\n }\n\n if (passwordHash !== expectedHash) {\n this.instructorError = 'Incorrect password';\n // TODO: Implement rate limiting (5 attempts per 60 seconds)\n return;\n }\n\n // Success\n const release = this.getRelease();\n\n // Create session in storage\n const sessionService = new SessionService();\n sessionService.createSession('INSTRUCTOR', 'Instructor', release || '');\n\n // Set instructor flag\n sessionStorage.setItem(STORAGE_KEYS.INSTRUCTOR, 'true');\n\n const loginData: LoginData = {\n serviceId: 'INSTRUCTOR',\n name: 'Instructor',\n release: release || '',\n role: 'instructor',\n };\n\n const event = new CustomEvent('qd:login', {\n detail: loginData,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n\n // Close modal and hide component\n this.showInstructorModal = false;\n this.instructorError = '';\n this.updateVisibility();\n } catch (err) {\n this.instructorError = 'Login failed. Please try again.';\n console.error('Instructor login error:', err);\n }\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-login': QdLogin;\n }\n}\n","/**\n * Validation Helpers\n *\n * Pure functions for form validation and input sanitization.\n * Feature: 007-lit-component-refactor\n *\n * These functions have no side effects and no DOM dependencies,\n * making them easy to unit test.\n */\n\n/**\n * Validation error messages (array - empty if valid).\n */\nexport type ValidationErrors = string[];\n\n/**\n * Validates student login form fields.\n *\n * @param name - Student name\n * @param serviceId - Service ID (2-10 alphanumeric characters)\n * @param pin - 4-digit PIN\n * @returns Array of validation error messages (empty if valid)\n */\nexport function validateStudentForm(\n name: string,\n serviceId: string,\n pin: string,\n): ValidationErrors {\n const errors: ValidationErrors = [];\n\n // Validate name\n if (!name || name.trim() === '') {\n errors.push('Name required');\n }\n\n // Validate service ID - empty check first\n if (!serviceId) {\n errors.push('Service ID required');\n } else {\n // Then format check (2-10 alphanumeric)\n const serviceIdRegex = /^[a-zA-Z0-9]{2,10}$/;\n if (!serviceIdRegex.test(serviceId)) {\n errors.push('Service ID must be 2-10 alphanumeric characters');\n }\n }\n\n // Validate PIN - empty check first\n if (!pin) {\n errors.push('PIN required');\n } else {\n // Then format check (exactly 4 digits)\n const pinRegex = /^\\d{4}$/;\n if (!pinRegex.test(pin)) {\n errors.push('PIN must be exactly 4 digits');\n }\n }\n\n return errors;\n}\n\n/**\n * Sanitizes PIN input to only allow digits.\n *\n * @param input - Raw input string\n * @returns String with non-digit characters removed\n */\nexport function sanitizePinInput(input: string): string {\n return input.replace(/\\D/g, '');\n}\n\n/**\n * Validates that PIN and confirmation match.\n *\n * @param pin - Original PIN\n * @param confirmPin - Confirmation PIN\n * @returns True if they match\n */\nexport function validatePinMatch(pin: string, confirmPin: string): boolean {\n return pin === confirmPin;\n}\n","/**\n * Schema Migration Service\n *\n * Handles lazy migration of student records from v1 to v2.\n * Migration occurs on first login for existing students.\n */\n\nimport type { StudentRecord } from '../../types/contracts.js';\nimport { SCHEMA_VERSION } from '../../types/contracts.js';\n\n/**\n * Check if a student record needs migration to v2\n *\n * @param record - Student record to check\n * @returns true if record needs PIN migration\n */\nexport function needsMigration(record: StudentRecord): boolean {\n return record.schema < SCHEMA_VERSION;\n}\n\n/**\n * Check if a student has a PIN set\n *\n * @param record - Student record to check\n * @returns true if student has a PIN hash\n */\nexport function hasPinSet(record: StudentRecord): boolean {\n return Boolean(record.pinHash && record.pinHash.length > 0);\n}\n\n/**\n * Migrate a student record from v1 to v2\n *\n * Updates schema version but does NOT set PIN - that happens\n * after the student creates their PIN.\n *\n * @param record - Student record to migrate\n * @returns Updated record with v2 schema (pinHash empty)\n */\nexport function migrateToV2(record: StudentRecord): StudentRecord {\n if (record.schema >= SCHEMA_VERSION) {\n return record;\n }\n\n return {\n ...record,\n schema: SCHEMA_VERSION,\n // PIN fields left empty - student will create PIN on login\n pinHash: '',\n pinCreatedAt: undefined,\n pinResetAt: undefined,\n };\n}\n\n/**\n * Complete PIN setup for a migrated or new student\n *\n * @param record - Student record\n * @param pinHash - Hashed PIN\n * @returns Updated record with PIN set\n */\nexport function completePinSetup(record: StudentRecord, pinHash: string): StudentRecord {\n return {\n ...record,\n schema: SCHEMA_VERSION,\n pinHash,\n pinCreatedAt: new Date().toISOString(),\n };\n}\n\n/**\n * Reset a student's PIN (instructor action)\n *\n * @param record - Student record\n * @returns Updated record with PIN cleared\n */\nexport function resetPin(record: StudentRecord): StudentRecord {\n return {\n ...record,\n pinHash: '',\n pinResetAt: new Date().toISOString(),\n };\n}\n","/**\n * Status Component\n *\n * Compact single-line display of student quiz progress and logout button.\n * Shows: \"X/Y Correct (Z%)\" format.\n *\n * @element qd-status\n * @fires {CustomEvent} qd:logout - Emitted when user clicks logout\n *\n * @example\n * ```html\n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport type { SessionCache, SessionData } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { calculateStatusIndicator } from '../utils/calculation-helpers.js';\nimport { SessionService } from '../services/session.js';\nimport './qd-build-info.js';\n\n/**\n * Status panel component for student progress tracking\n */\n@customElement('qd-status')\nexport class QdStatus extends LitElement {\n /**\n * Total questions registered\n */\n @state()\n private total = 0;\n\n /**\n * Total correct answers\n */\n @state()\n private correct = 0;\n\n /**\n * Success percentage\n */\n @state()\n private percentage = 0;\n\n /**\n * Overall status indicator color\n */\n @state()\n private statusColor: 'red' | 'amber' | 'green' = 'red';\n\n /**\n * Student name\n */\n @state()\n private name = '';\n\n /**\n * Service ID (last 4 digits displayed)\n */\n @state()\n private serviceId = '';\n\n static styles = css`\n :host {\n display: none; /* Hidden by default, shown when logged in */\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n }\n\n :host([data-show]) {\n display: block;\n }\n\n .status-panel {\n display: flex;\n flex-direction: column;\n gap: 4px;\n padding: 6px 12px;\n background: #fff;\n border: 1px solid #ddd;\n border-radius: 4px;\n }\n\n .top-row {\n display: flex;\n align-items: center;\n gap: 8px;\n }\n\n .bottom-row {\n display: flex;\n align-items: center;\n gap: 8px;\n }\n\n .user-info {\n font-size: 13px;\n color: #333;\n white-space: nowrap;\n }\n\n .user-label {\n font-weight: 500;\n color: #555;\n }\n\n .status-indicator {\n width: 12px;\n height: 12px;\n border-radius: 50%;\n flex-shrink: 0;\n }\n\n .status-indicator.red {\n background: #d32f2f;\n }\n\n .status-indicator.amber {\n background: #ff9800;\n }\n\n .status-indicator.green {\n background: #4caf50;\n }\n\n .progress-label {\n font-size: 13px;\n font-weight: 500;\n color: #555;\n white-space: nowrap;\n }\n\n .progress-text {\n font-size: 13px;\n color: #333;\n white-space: nowrap;\n }\n\n .logout-button {\n padding: 5px 10px;\n background: #d32f2f;\n color: white;\n border: none;\n border-radius: 3px;\n font-size: 12px;\n font-weight: 500;\n cursor: pointer;\n transition: background 0.2s;\n white-space: nowrap;\n }\n\n .logout-button:hover {\n background: #b71c1c;\n }\n `;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n this.loadCache();\n\n // Listen for state changes and login/logout\n document.addEventListener('qd:state-changed', this.handleStateChanged);\n document.addEventListener('qd:login', this.handleLogin);\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:state-changed', this.handleStateChanged);\n document.removeEventListener('qd:login', this.handleLogin);\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n render() {\n const last4 = this.serviceId.slice(-4);\n return html`\n
                        \n
                        \n \n Test progress:\n ${this.name} **${last4}\n \n \n \n
                        \n
                        \n
                        \n
                        \n ${this.correct}/${this.total} Correct (${this.percentage}%)\n
                        \n
                        \n
                        \n `;\n }\n\n /**\n * Load cache from storage and update state\n */\n private loadCache() {\n // Load session data for name/serviceId\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (session) {\n this.name = session.name || '';\n this.serviceId = session.serviceId || '';\n } else {\n this.name = '';\n this.serviceId = '';\n }\n\n const cache = getJSON(STORAGE_KEYS.CACHE);\n if (!cache) {\n this.total = 0;\n this.correct = 0;\n this.percentage = 0;\n this.statusColor = 'red';\n return;\n }\n\n this.total = cache.totals.total;\n this.correct = cache.totals.correct;\n this.percentage = this.calculatePercentage(cache.totals.total, cache.totals.correct);\n this.statusColor = this.calculateStatusColor(cache.totals.total, cache.totals.correct);\n }\n\n /**\n * Calculate percentage from total/correct\n */\n private calculatePercentage(total: number, correct: number): number {\n if (total === 0) return 0;\n return Math.round((correct / total) * 100);\n }\n\n /**\n * Calculate status indicator color using calculation helper\n * Red: No questions registered or no answers\n * Green: All questions answered correctly\n * Amber: Some answered but not all correct\n */\n private calculateStatusColor(total: number, correct: number): 'red' | 'amber' | 'green' {\n return calculateStatusIndicator(total, correct);\n }\n\n /**\n * Update visibility based on session state\n * Show only if logged in as student (not instructor)\n */\n private updateVisibility() {\n const session = getJSON(STORAGE_KEYS.SESSION);\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n\n if (session && !isInstructor) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n /**\n * Handle state changed event\n */\n private handleStateChanged = () => {\n this.loadCache();\n };\n\n /**\n * Handle login event\n */\n private handleLogin = () => {\n this.updateVisibility();\n this.loadCache();\n };\n\n /**\n * Handle logout event\n */\n private handleLogoutEvent = () => {\n this.updateVisibility();\n };\n\n /**\n * Handle logout button click\n */\n private handleLogout() {\n const session = getJSON(STORAGE_KEYS.SESSION);\n\n // Clear session from storage\n const sessionService = new SessionService();\n sessionService.clearSession();\n\n const event = new CustomEvent('qd:logout', {\n detail: {\n serviceId: session?.serviceId || 'unknown',\n },\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-status': QdStatus;\n }\n}\n","/**\n * Shared styles for instructor components\n * CSS-in-JS styles used across qd-instructor sub-components\n */\n\nimport { css } from 'lit';\n\n/**\n * Common styles shared across all instructor sub-components\n */\nexport const sharedStyles = css`\n :host {\n display: inline-block;\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n font-size: 14px;\n line-height: 1.5;\n }\n\n /* When showing modal, host should not constrain size */\n :host([showmodal]) {\n display: block;\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n pointer-events: none; /* Let clicks through except on modal */\n }\n\n :host([showmodal]) .modal-overlay {\n pointer-events: auto; /* Re-enable on overlay */\n }\n\n .instructor-panel {\n display: flex;\n flex-direction: row;\n align-items: center;\n gap: 8px;\n }\n\n .instructor-title {\n font-weight: 600;\n font-size: 14px;\n color: var(--qd-text-on-dark, #fff);\n margin-right: 8px;\n }\n\n .toggle-label {\n display: flex;\n align-items: center;\n gap: 6px;\n cursor: pointer;\n font-size: 13px;\n color: var(--qd-text-on-dark, #fff);\n user-select: none;\n }\n\n .toggle-label input[type='checkbox'] {\n width: 16px;\n height: 16px;\n cursor: pointer;\n }\n\n button {\n padding: 8px 16px;\n border: 1px solid #ccc;\n border-radius: 4px;\n background: #fff;\n cursor: pointer;\n font-size: 14px;\n transition: all 0.2s;\n }\n\n button:hover {\n background: #f5f5f5;\n border-color: #999;\n }\n\n button:active {\n background: #e5e5e5;\n }\n\n button:disabled {\n opacity: 0.5;\n cursor: not-allowed;\n }\n\n button.compact {\n padding: 6px 12px;\n font-size: 13px;\n }\n\n button.primary {\n background: #007bff;\n color: white;\n border-color: #007bff;\n }\n\n button.primary:hover {\n background: #0056b3;\n border-color: #0056b3;\n }\n\n button.secondary {\n background: #ff9800;\n color: white;\n border-color: #ff9800;\n }\n\n button.secondary:hover {\n background: #f57c00;\n border-color: #f57c00;\n }\n\n button.danger {\n background: #dc3545;\n color: white;\n border-color: #dc3545;\n }\n\n button.danger:hover {\n background: #c82333;\n border-color: #c82333;\n }\n\n button.logout {\n background: #6c757d;\n color: white;\n border-color: #6c757d;\n }\n\n button.logout:hover {\n background: #5a6268;\n border-color: #5a6268;\n }\n\n input,\n textarea {\n padding: 8px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 14px;\n font-family: inherit;\n }\n\n input:focus,\n textarea:focus {\n outline: none;\n border-color: #007bff;\n box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);\n }\n\n .error {\n color: #dc3545;\n font-size: 12px;\n margin-top: 4px;\n }\n\n .success {\n color: #28a745;\n font-size: 12px;\n margin-top: 4px;\n }\n\n table {\n width: 100%;\n border-collapse: collapse;\n margin: 16px 0;\n }\n\n th,\n td {\n padding: 8px;\n text-align: left;\n border-bottom: 1px solid #ddd;\n color: #333; /* Explicit dark text */\n }\n\n th {\n background: #f5f5f5;\n font-weight: 600;\n color: #000; /* Explicit black for headers */\n }\n\n tr:hover {\n background: #f9f9f9;\n }\n\n .correct {\n color: #28a745;\n }\n\n .incorrect {\n color: #dc3545;\n }\n\n .modal-overlay {\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: rgba(0, 0, 0, 0.5);\n display: flex;\n align-items: center;\n justify-content: center;\n z-index: var(--qd-modal-overlay-z-index, 9999);\n pointer-events: auto; /* Ensure overlay catches all clicks */\n }\n\n .modal-content {\n position: relative;\n background: white;\n padding: 24px;\n border-radius: 8px;\n max-width: 800px;\n max-height: 80vh;\n overflow: auto;\n box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);\n z-index: var(--qd-modal-z-index, 10000);\n color: #333; /* Explicit dark text color */\n }\n\n .modal-header {\n display: flex;\n justify-content: space-between;\n align-items: center;\n margin-bottom: 16px;\n }\n\n .modal-title {\n font-size: 18px;\n font-weight: 600;\n margin: 0;\n color: #000; /* Explicit black for title */\n }\n\n .close-button {\n padding: 4px 8px;\n border: none;\n background: transparent;\n font-size: 20px;\n cursor: pointer;\n color: #666;\n }\n\n .close-button:hover {\n color: #000;\n }\n`;\n","/**\n * Security utilities for the Sonar Quiz System\n *\n * Provides rate limiting, constant-time comparison, and other security primitives\n * to protect against timing attacks, brute force, and other vulnerabilities.\n */\n\n/**\n * Rate limiter with exponential backoff\n *\n * Implements progressive delays after failed authentication attempts:\n * - 1st failure: 2s delay\n * - 2nd failure: 4s delay\n * - 3rd failure: 8s delay\n * - 4th failure: 16s delay\n * - 5th+ failure: 30s delay (max)\n *\n * @example\n * ```typescript\n * const limiter = new RateLimiter();\n *\n * async function handleLogin(password: string) {\n * if (!await limiter.attempt()) {\n * const remaining = limiter.getRemainingSeconds();\n * alert(`Too many attempts. Try again in ${remaining}s`);\n * return;\n * }\n *\n * const isValid = await validatePassword(password);\n * if (isValid) {\n * limiter.reset();\n * }\n * }\n * ```\n */\nexport class RateLimiter {\n private failureCount = 0;\n private lockoutUntil: number | null = null;\n\n /**\n * Attempt an action (e.g., login attempt)\n *\n * @returns true if action is allowed, false if rate limited\n */\n attempt(): boolean {\n if (this.lockoutUntil && Date.now() < this.lockoutUntil) {\n return false;\n }\n\n // Clear lockout if expired\n if (this.lockoutUntil && Date.now() >= this.lockoutUntil) {\n this.lockoutUntil = null;\n }\n\n return true;\n }\n\n /**\n * Record a failed attempt and apply exponential backoff\n *\n * Delays: 2s, 4s, 8s, 16s, 30s (max)\n */\n recordFailure(): void {\n this.failureCount++;\n\n // Exponential backoff with max of 30 seconds\n const delays = [2000, 4000, 8000, 16000, 30000];\n const delayIndex = Math.min(this.failureCount - 1, delays.length - 1);\n const delay = delays[delayIndex] ?? 30000;\n\n this.lockoutUntil = Date.now() + delay;\n }\n\n /**\n * Reset the rate limiter after successful authentication\n */\n reset(): void {\n this.failureCount = 0;\n this.lockoutUntil = null;\n }\n\n /**\n * Get remaining lockout time in seconds\n *\n * @returns Number of seconds until next attempt allowed, or 0 if not locked\n */\n getRemainingSeconds(): number {\n if (!this.lockoutUntil) {\n return 0;\n }\n\n const remaining = Math.max(0, this.lockoutUntil - Date.now());\n return Math.ceil(remaining / 1000);\n }\n\n /**\n * Check if currently locked out\n */\n isLockedOut(): boolean {\n return this.lockoutUntil !== null && Date.now() < this.lockoutUntil;\n }\n}\n\n/**\n * Constant-time string comparison using Web Crypto API\n *\n * Prevents timing attacks by ensuring comparison time is independent\n * of where strings differ. Uses HMAC-SHA256 for constant-time comparison.\n *\n * @param a - First string to compare\n * @param b - Second string to compare\n * @returns Promise if strings match, Promise otherwise\n *\n * @example\n * ```typescript\n * const userHash = await hashPassword(userInput);\n * const storedHash = getStoredHash();\n *\n * if (await constantTimeCompare(userHash, storedHash)) {\n * // Authentication successful\n * }\n * ```\n */\nexport async function constantTimeCompare(a: string, b: string): Promise {\n // Early length check (length is not secret information)\n if (a.length !== b.length) {\n return false;\n }\n\n // Handle empty strings (Web Crypto API doesn't support zero-length keys)\n if (a.length === 0) {\n return true; // Both are empty strings\n }\n\n // Use Web Crypto API for constant-time comparison\n const encoder = new TextEncoder();\n const aBuffer = encoder.encode(a);\n const bBuffer = encoder.encode(b);\n\n try {\n // Import first string as HMAC key\n const key = await crypto.subtle.importKey(\n 'raw',\n aBuffer,\n { name: 'HMAC', hash: 'SHA-256' },\n false,\n ['sign'],\n );\n\n // Sign second string with first as key\n const signature = await crypto.subtle.sign('HMAC', key, bBuffer);\n\n // Compare signature to expected value\n // This uses crypto.subtle which performs constant-time comparison internally\n const expectedKey = await crypto.subtle.importKey(\n 'raw',\n bBuffer,\n { name: 'HMAC', hash: 'SHA-256' },\n false,\n ['sign'],\n );\n\n const expectedSignature = await crypto.subtle.sign('HMAC', expectedKey, aBuffer);\n\n // Compare signatures byte-by-byte\n if (signature.byteLength !== expectedSignature.byteLength) {\n return false;\n }\n\n const sigView = new Uint8Array(signature);\n const expView = new Uint8Array(expectedSignature);\n\n // XOR all bytes - result is 0 if all bytes match\n let result = 0;\n for (let i = 0; i < sigView.length; i++) {\n result |= (sigView[i] ?? 0) ^ (expView[i] ?? 0);\n }\n\n return result === 0;\n } catch (error) {\n // Crypto API failure - fail closed\n console.error('Constant-time comparison failed:', error);\n return false;\n }\n}\n\n/**\n * Hash a password using SHA-256\n *\n * @param password - Password to hash\n * @returns Promise - Hex-encoded SHA-256 hash\n *\n * @example\n * ```typescript\n * const hash = await hashPassword('my-secure-password');\n * console.log(hash); // \"5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8\"\n * ```\n */\nexport async function hashPassword(password: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n}\n","/**\n * Instructor password configuration\n *\n * Retrieves the instructor password hash from the DOM, injected by\n * Oxygen XSL transform during DITA publishing.\n *\n * The password hash is stored in a hidden span element:\n * ```html\n * hash-value\n * ```\n *\n * This approach allows different passwords per deployment without rebuilding\n * the JavaScript bundle.\n */\n\nimport { error } from '../utils/logger.js';\n\n/**\n * DOM element ID containing the instructor password hash\n *\n * This element is injected by the Oxygen XSL transform using a parameter.\n */\nconst PASSWORD_HASH_ELEMENT_ID = 'instructor.password.hash';\n\n/**\n * Get the instructor password hash from the DOM\n *\n * @returns The SHA-256 hash of the instructor password\n * @throws Error if password hash element not found or empty\n *\n * @example\n * ```typescript\n * try {\n * const hash = getInstructorPasswordHash();\n * console.log('Hash retrieved:', hash);\n * } catch (err) {\n * console.error('Password hash not configured:', err);\n * }\n * ```\n */\nexport function getInstructorPasswordHash(): string {\n const hashElement = document.getElementById(PASSWORD_HASH_ELEMENT_ID);\n\n if (!hashElement) {\n const errorMsg = `Instructor password hash not found. Expected element with id=\"${PASSWORD_HASH_ELEMENT_ID}\". Check Oxygen XSL transform configuration.`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n const hash = hashElement.textContent?.trim();\n\n if (!hash) {\n const errorMsg = `Instructor password hash element is empty. Check Oxygen parameter configuration.`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n // Validate hash format (should be 64 hex characters for SHA-256)\n if (!/^[a-f0-9]{64}$/i.test(hash)) {\n const errorMsg = `Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${hash.substring(0, 20)}...`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n return hash.toLowerCase(); // Normalize to lowercase\n}\n\n/**\n * Check if instructor password hash is configured\n *\n * @returns true if password hash element exists and is non-empty\n */\nexport function isInstructorPasswordConfigured(): boolean {\n try {\n getInstructorPasswordHash();\n return true;\n } catch {\n return false;\n }\n}\n","/**\n * Instructor unlock component with password verification and rate limiting\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport { RateLimiter } from '../../utils/security.js';\nimport { constantTimeCompare } from '../../utils/security.js';\nimport { getInstructorPasswordHash } from '../../config/instructor-password.js';\nimport { dispatchEventOn } from '../../utils/event-helpers.js';\n\n/**\n * Password unlock UI with rate limiting for instructor access\n *\n * Features:\n * - Password input with masked field\n * - Rate limiting: 2s, 4s, 8s, 16s, 30s lockout on failures\n * - Constant-time password comparison\n * - Emits 'qd:instructor-unlock' on success\n *\n * @fires qd:instructor-unlock - Emitted when password verified successfully\n */\n@customElement('qd-instructor-unlock')\nexport class QdInstructorUnlock extends LitElement {\n static override styles = sharedStyles;\n\n @state()\n private password = '';\n\n @state()\n private error = '';\n\n @state()\n private remainingSeconds = 0;\n\n private rateLimiter = new RateLimiter();\n private countdownInterval?: number;\n\n override disconnectedCallback(): void {\n super.disconnectedCallback();\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n }\n }\n\n private handlePasswordInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.password = input.value;\n this.error = '';\n };\n\n private handleSubmit = async (e: Event): Promise => {\n e.preventDefault();\n\n // Check rate limit\n const allowed = this.rateLimiter.attempt();\n if (!allowed) {\n this.remainingSeconds = this.rateLimiter.getRemainingSeconds();\n this.startCountdown();\n this.error = `Too many attempts. Try again in ${this.remainingSeconds}s`;\n return;\n }\n\n // Validate password\n try {\n const expectedHash = getInstructorPasswordHash();\n\n // Hash the entered password\n const encoder = new TextEncoder();\n const data = encoder.encode(this.password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n const actualHash = hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n\n // Constant-time comparison\n const valid = await constantTimeCompare(actualHash, expectedHash);\n\n if (valid) {\n // Success - reset limiter and emit event\n this.rateLimiter.reset();\n this.password = '';\n this.error = '';\n dispatchEventOn(this, 'qd:instructor-unlock', {});\n } else {\n // Failure - show error\n this.error = 'Invalid password';\n this.password = '';\n }\n } catch {\n this.error = 'Authentication failed';\n this.password = '';\n }\n };\n\n private startCountdown(): void {\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n }\n\n this.countdownInterval = window.setInterval(() => {\n this.remainingSeconds = this.rateLimiter.getRemainingSeconds();\n if (this.remainingSeconds === 0) {\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n this.countdownInterval = undefined;\n }\n this.error = '';\n } else {\n this.error = `Too many attempts. Try again in ${this.remainingSeconds}s`;\n }\n }, 1000);\n }\n\n override render() {\n const isLocked = this.remainingSeconds > 0;\n\n return html`\n
                        \n

                        Instructor Access

                        \n

                        Enter the instructor password to unlock administrative features.

                        \n\n
                        \n
                        \n \n \n
                        \n\n ${this.error\n ? html`
                        ${this.error}
                        `\n : ''}\n\n \n
                        \n
                        \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-unlock': QdInstructorUnlock;\n }\n}\n","/**\n * Scores Modal Component\n *\n * Displays student scores in a modal with expandable per-page breakdown.\n * Uses qd-modal as base for modal behavior.\n *\n * @element qd-scores-modal\n * @fires {CustomEvent} close - Emitted when modal closes\n * @fires {CustomEvent} qd:modal-close - Bubbles from qd-modal\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\nimport type { StudentRecord } from '../types/contracts.js';\nimport './qd-modal.js';\n\ninterface StudentSummary {\n serviceId: string;\n name: string;\n attempted: number;\n correct: number;\n percentage: number;\n}\n\n/**\n * Modal component for displaying student scores with expandable details\n */\n@customElement('qd-scores-modal')\nexport class QdScoresModal extends LitElement {\n /**\n * Whether the modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Student records to display\n */\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n /**\n * Set of expanded student service IDs\n */\n @state()\n private expandedStudents = new Set();\n\n static styles = css`\n :host {\n display: contents;\n }\n\n .scores-content {\n min-width: 600px;\n max-width: 800px;\n }\n\n .empty-message {\n color: #666;\n padding: 20px;\n text-align: center;\n }\n\n table {\n width: 100%;\n border-collapse: collapse;\n }\n\n thead th {\n padding: 8px;\n text-align: left;\n border-bottom: 1px solid #ddd;\n background: #f5f5f5;\n font-weight: 600;\n }\n\n .student-row {\n cursor: pointer;\n }\n\n .student-row:hover {\n background: #f9f9f9;\n }\n\n .student-row td {\n padding: 8px;\n border-bottom: 1px solid #eee;\n }\n\n .expand-icon {\n display: inline-block;\n width: 16px;\n margin-right: 4px;\n text-align: center;\n }\n\n .correct-highlight {\n color: #28a745;\n }\n\n .incorrect-highlight {\n color: #dc3545;\n }\n\n .detail-row {\n background: #f9f9f9;\n }\n\n .detail-row td {\n padding: 8px 8px 8px 40px;\n border-bottom: 1px solid #eee;\n }\n\n .page-breakdown {\n display: flex;\n flex-direction: column;\n gap: 6px;\n }\n\n .page-row {\n display: flex;\n align-items: center;\n gap: 12px;\n }\n\n .page-name {\n font-weight: 600;\n min-width: 120px;\n flex-shrink: 0;\n }\n\n .answers-list {\n display: flex;\n flex-wrap: wrap;\n gap: 4px;\n flex: 1;\n }\n\n .answer-badge {\n display: inline-block;\n padding: 2px 6px;\n border-radius: 3px;\n font-size: 11px;\n font-weight: 500;\n }\n\n .answer-badge.correct {\n background: #d4edda;\n color: #155724;\n border: 1px solid #c3e6cb;\n }\n\n .answer-badge.incorrect {\n background: #f8d7da;\n color: #721c24;\n border: 1px solid #f5c6cb;\n }\n\n .answer-badge.unanswered {\n background: #e0e0e0;\n color: #666;\n }\n\n .no-pages {\n color: #666;\n font-style: italic;\n }\n `;\n\n updated(changedProperties: Map) {\n if (changedProperties.has('open') && this.open) {\n // Expand all students by default when modal opens\n this.expandedStudents = new Set(this.students.map((s) => s.serviceId));\n }\n }\n\n render() {\n return html`\n \n Student Scores\n
                        \n ${this.students.length === 0\n ? html`

                        No student data available.

                        `\n : this.renderScoresTable()}\n
                        \n                         \n `;\n }\n\n private renderScoresTable() {\n const sortedStudents = [...this.students].sort((a, b) => a.name.localeCompare(b.name));\n\n return html`\n \n \n \n \n \n \n \n \n \n \n \n ${sortedStudents.map((student) => this.renderStudentRow(student))}\n \n
                        StudentService IDAttemptedCorrectPercentage
                        \n `;\n }\n\n private renderStudentRow(student: StudentRecord) {\n const summary = this.calculateSummary(student);\n const isExpanded = this.expandedStudents.has(student.serviceId);\n\n return html`\n this.toggleStudent(student.serviceId)}>\n \n ${isExpanded ? '▼' : '▶'}\n ${summary.name}\n \n ${summary.serviceId}\n ${summary.attempted}\n 0\n ? 'correct-highlight'\n : ''}\n >\n ${summary.correct}\n \n ${summary.percentage}%\n \n ${isExpanded ? this.renderDetailRow(student) : nothing}\n `;\n }\n\n private renderDetailRow(student: StudentRecord) {\n const pages = Object.entries(student.pages);\n\n return html`\n \n \n ${pages.length === 0\n ? html`No quiz pages attempted`\n : html`\n
                        \n ${pages.map(\n ([pageId, pageData]) => html`\n
                        \n ${pageId}\n
                        \n ${pageData.answers.map(\n (answer, index) => html`\n \n Q${index + 1}: ${answer ? answer.answer : '—'}\n \n `,\n )}\n
                        \n
                        \n `,\n )}\n
                        \n `}\n \n \n `;\n }\n\n private calculateSummary(student: StudentRecord): StudentSummary {\n const percentage =\n student.attempted > 0 ? Math.round((student.correct / student.attempted) * 100) : 0;\n\n return {\n serviceId: student.serviceId,\n name: student.name,\n attempted: student.attempted,\n correct: student.correct,\n percentage,\n };\n }\n\n private getPercentageClass(percentage: number): string {\n if (percentage === 100) return 'correct-highlight';\n if (percentage === 0) return 'incorrect-highlight';\n return '';\n }\n\n private getAnswerClass(answer: { success: boolean } | null): string {\n if (!answer) return 'unanswered';\n return answer.success ? 'correct' : 'incorrect';\n }\n\n private toggleStudent(serviceId: string) {\n const newSet = new Set(this.expandedStudents);\n if (newSet.has(serviceId)) {\n newSet.delete(serviceId);\n } else {\n newSet.add(serviceId);\n }\n this.expandedStudents = newSet;\n }\n\n private handleModalClose = () => {\n this.open = false;\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n /**\n * Open the modal\n */\n show() {\n this.open = true;\n }\n\n /**\n * Close the modal\n */\n close() {\n this.open = false;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-scores-modal': QdScoresModal;\n }\n}\n","/**\n * Instructor scores view component\n * Displays student scores with expandable per-page breakdown\n *\n * Refactored to use qd-scores-modal component.\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord } from '../../types/contracts.js';\nimport '../qd-scores-modal.js';\n\n/**\n * Scores table component showing all student progress\n *\n * Features:\n * - Summary view with attempted/correct/percentage\n * - Expandable per-student breakdown\n * - Color-coded correct/incorrect answers\n * - Modal display with close button\n *\n * Now delegates to qd-scores-modal component.\n */\n@customElement('qd-instructor-scores')\nexport class QdInstructorScores extends LitElement {\n static override styles = sharedStyles;\n\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n @property({ type: Boolean })\n showModal = false;\n\n private handleClose = () => {\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n override render() {\n return html`\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-scores': QdInstructorScores;\n }\n}\n","/**\n * Instructor CSV export component\n * Generates and downloads CSV export of all student data\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord } from '../../types/contracts.js';\n\n/**\n * CSV export controls for instructor\n *\n * Features:\n * - Generates RFC 4180 compliant CSV\n * - Includes all student answers with timestamps\n * - Downloads as file with timestamp in filename\n * - Proper escaping of special characters\n */\n@customElement('qd-instructor-export')\nexport class QdInstructorExport extends LitElement {\n static override styles = sharedStyles;\n\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n private escapeCSVField(field: string | number | boolean): string {\n const str = String(field);\n // If field contains comma, quote, or newline, wrap in quotes and escape quotes\n if (str.includes(',') || str.includes('\"') || str.includes('\\n')) {\n return `\"${str.replace(/\"/g, '\"\"')}\"`;\n }\n return str;\n }\n\n private generateCSV(): string {\n const rows: string[] = [];\n\n // Header row\n rows.push('Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp');\n\n // Data rows\n for (const student of this.students) {\n for (const [pageId, pageData] of Object.entries(student.pages)) {\n const answers = pageData.answers || [];\n answers.forEach((answer, index) => {\n if (answer) {\n rows.push(\n [\n this.escapeCSVField(student.serviceId),\n this.escapeCSVField(student.name),\n this.escapeCSVField(student.release),\n this.escapeCSVField(pageId),\n this.escapeCSVField(index),\n this.escapeCSVField(answer.answer),\n this.escapeCSVField(answer.success),\n this.escapeCSVField(answer.timestamp),\n ].join(','),\n );\n }\n });\n }\n }\n\n return rows.join('\\n');\n }\n\n private handleExport = (): void => {\n const csv = this.generateCSV();\n const blob = new Blob([csv], { type: 'text/csv;charset=utf-8;' });\n const url = URL.createObjectURL(blob);\n\n // Create download link\n const link = document.createElement('a');\n link.href = url;\n\n // Generate filename with timestamp\n const now = new Date();\n const timestamp = now.toISOString().replace(/[:.]/g, '-').slice(0, 19);\n link.download = `quiz-data-${timestamp}.csv`;\n\n // Trigger download\n document.body.appendChild(link);\n link.click();\n document.body.removeChild(link);\n\n // Clean up\n URL.revokeObjectURL(url);\n };\n\n override render() {\n // Check if any student has answered at least one question (FR-006)\n const hasData =\n this.students.length > 0 && this.students.some((student) => student.attempted > 0);\n\n const tooltip = hasData\n ? `Export ${this.students.length} student${this.students.length === 1 ? '' : 's'} to CSV`\n : this.students.length > 0\n ? 'No answers to export (students have not answered any questions)'\n : 'No data to export';\n\n return html`\n \n Export CSV\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-export': QdInstructorExport;\n }\n}\n","/**\n * Instructor data management component\n * Handles clearing/backing up student data\n */\n\nimport { LitElement, html, render } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport { clearQuizData } from '../../utils/storage-helpers.js';\nimport { dispatchEventOn } from '../../utils/event-helpers.js';\n\n/**\n * Data management controls for instructor\n *\n * Features:\n * - Clear all quiz data with confirmation\n * - Safety confirmation dialog\n * - Emits 'qd:data-cleared' event on success\n *\n * @fires qd:data-cleared - Emitted when all data successfully cleared\n */\n@customElement('qd-instructor-manage')\nexport class QdInstructorManage extends LitElement {\n static override styles = sharedStyles;\n\n @state()\n private showConfirmDialog = false;\n\n @state()\n private confirmText = '';\n\n @state()\n private error = '';\n\n @state()\n private success = '';\n\n private modalContainer: HTMLDivElement | null = null;\n\n override disconnectedCallback(): void {\n super.disconnectedCallback();\n this.removeModalFromBody();\n }\n\n override updated(changedProperties: Map): void {\n super.updated(changedProperties);\n if (changedProperties.has('showConfirmDialog')) {\n if (this.showConfirmDialog) {\n this.renderModalToBody();\n } else {\n this.removeModalFromBody();\n }\n }\n // Re-render modal if confirmText or error changes while dialog is open\n if (\n this.showConfirmDialog &&\n (changedProperties.has('confirmText') || changedProperties.has('error'))\n ) {\n this.renderModalToBody();\n }\n }\n\n private renderModalToBody(): void {\n if (!this.modalContainer) {\n this.modalContainer = document.createElement('div');\n this.modalContainer.className = 'qd-manage-modal-container';\n document.body.appendChild(this.modalContainer);\n }\n render(this.renderConfirmDialog(), this.modalContainer);\n }\n\n private removeModalFromBody(): void {\n if (this.modalContainer) {\n this.modalContainer.remove();\n this.modalContainer = null;\n }\n }\n\n private handleClearRequest = (): void => {\n this.showConfirmDialog = true;\n this.confirmText = '';\n this.error = '';\n this.success = '';\n };\n\n private handleCancelClear = (): void => {\n this.showConfirmDialog = false;\n this.confirmText = '';\n this.error = '';\n };\n\n private handleConfirmInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.confirmText = input.value;\n };\n\n private handleConfirmClear = (): void => {\n // Require exact match\n if (this.confirmText !== 'DELETE ALL DATA') {\n this.error = 'Confirmation text does not match';\n return;\n }\n\n try {\n // Clear all quiz data from storage\n clearQuizData();\n\n // Emit event\n dispatchEventOn(this, 'qd:data-cleared', {});\n\n // Show success\n this.success = 'All quiz data cleared successfully';\n this.showConfirmDialog = false;\n this.confirmText = '';\n this.error = '';\n\n // Clear success message after 3 seconds\n setTimeout(() => {\n this.success = '';\n }, 3000);\n } catch {\n this.error = 'Failed to clear data';\n }\n };\n\n override render() {\n return html`\n \n Erase All Data\n \n\n ${this.success\n ? html`\n \n ${this.success}\n \n `\n : ''}\n `;\n }\n\n private renderConfirmDialog() {\n const isValid = this.confirmText === 'DELETE ALL DATA';\n\n return html`\n {\n if (e.target === e.currentTarget) this.handleCancelClear();\n }}\n >\n e.stopPropagation()}\n >\n \n

                        \n Confirm Data Deletion\n

                        \n \n ✕\n \n \n\n

                        \n ⚠️ This will permanently delete all student quiz data, answers, and progress.\n

                        \n\n

                        \n This action cannot be undone. All students will need to start over.\n

                        \n\n

                        \n Type DELETE ALL DATA to confirm:\n

                        \n\n \n\n ${this.error\n ? html`
                        ${this.error}
                        `\n : ''}\n\n
                        \n \n Cancel\n \n \n Delete All Data\n \n
                        \n \n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-manage': QdInstructorManage;\n }\n}\n","/**\n * PIN Reset Dialog Component\n *\n * Modal dialog for instructors to reset student PINs.\n * Shows student list with search and reset confirmation.\n * Uses qd-modal base for consistent modal behavior.\n *\n * @element qd-pin-reset-dialog\n * @fires {CustomEvent<{serviceId: string}>} qd:pin-reset - Emitted when PIN is reset\n * @fires {CustomEvent} close - Emitted when dialog is closed\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\nimport type { StudentRecord, PinResetEvent } from '../types/contracts.js';\nimport { getStorageAdapter } from '../services/storage/indexeddb.js';\nimport { resetPin } from '../services/storage/migration.js';\nimport { CONFIG_IDS } from '../config/dom-config-reader.js';\nimport './qd-modal.js';\nimport './qd-confirm-dialog.js';\n\n@customElement('qd-pin-reset-dialog')\nexport class QdPinResetDialog extends LitElement {\n /**\n * Students available for PIN reset\n */\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n /**\n * Whether dialog is visible\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Search filter text\n */\n @state()\n private searchText = '';\n\n /**\n * Student being confirmed for reset\n */\n @state()\n private confirmingStudent: StudentRecord | null = null;\n\n /**\n * Whether confirmation dialog is open\n */\n @state()\n private confirmDialogOpen = false;\n\n /**\n * Error message to display\n */\n @state()\n private errorMessage = '';\n\n static styles = css`\n :host {\n display: contents;\n }\n\n .pin-reset-content {\n min-width: 400px;\n max-width: 500px;\n }\n\n .search-input {\n width: 100%;\n box-sizing: border-box;\n padding: 8px 12px;\n border: 1px solid #ccc;\n border-radius: 4px;\n margin-bottom: 12px;\n font-size: 12px;\n }\n\n .search-input:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n .student-list {\n max-height: 300px;\n overflow-y: auto;\n border: 1px solid #e0e0e0;\n border-radius: 4px;\n }\n\n .student-item {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 8px 12px;\n border-bottom: 1px solid #f0f0f0;\n }\n\n .student-item:last-child {\n border-bottom: none;\n }\n\n .student-name {\n font-size: 12px;\n font-weight: 500;\n }\n\n .student-id {\n font-size: 10px;\n color: #666;\n }\n\n .pin-status {\n font-size: 10px;\n }\n\n .pin-status.has-pin {\n color: #4caf50;\n }\n\n .pin-status.no-pin {\n color: #ff9800;\n }\n\n .reset-btn {\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n }\n\n .reset-btn:hover {\n background: #e64a19;\n }\n\n .empty-message {\n padding: 16px;\n text-align: center;\n color: #666;\n font-size: 12px;\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n }\n `;\n\n /**\n * Backward compatibility: Support both 'open' and 'showModal' props\n */\n @property({ type: Boolean })\n set showModal(value: boolean) {\n this.open = value;\n }\n get showModal(): boolean {\n return this.open;\n }\n\n private get filteredStudents(): StudentRecord[] {\n if (!this.searchText.trim()) {\n return this.students;\n }\n const search = this.searchText.toLowerCase().trim();\n return this.students.filter(\n (s) => s.name.toLowerCase().includes(search) || s.serviceId.toLowerCase().includes(search),\n );\n }\n\n /**\n * Close the modal\n */\n close(): void {\n this.open = false;\n this.confirmingStudent = null;\n this.confirmDialogOpen = false;\n this.searchText = '';\n this.errorMessage = '';\n }\n\n /**\n * Show the modal\n */\n show(): void {\n this.open = true;\n }\n\n /**\n * Handle modal close from qd-modal\n */\n private handleModalClose = (): void => {\n // Don't close main modal if confirm dialog is open\n if (this.confirmDialogOpen) {\n return;\n }\n this.close();\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n /**\n * Handle search input\n */\n private handleSearchInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.searchText = input.value;\n };\n\n /**\n * Show confirmation dialog for PIN reset\n */\n private handleResetClick = (student: StudentRecord): void => {\n this.confirmingStudent = student;\n this.confirmDialogOpen = true;\n };\n\n /**\n * Handle confirm button click in confirmation dialog\n */\n private handleConfirmReset = (): void => {\n if (this.confirmingStudent) {\n void this.executeReset(this.confirmingStudent);\n }\n };\n\n /**\n * Handle cancel button click in confirmation dialog\n */\n private handleCancelReset = (): void => {\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n };\n\n private async executeReset(student: StudentRecord) {\n try {\n const dbNameElement = document.getElementById(CONFIG_IDS.dbName);\n if (!dbNameElement?.textContent?.trim()) {\n throw new Error(\n `Database name not configured. Add dbName to page.`,\n );\n }\n const dbName = dbNameElement.textContent.trim();\n const storage = getStorageAdapter(dbName);\n await storage.init();\n\n // Reset the PIN\n const updatedStudent = resetPin(student);\n await storage.saveStudent(updatedStudent);\n\n // Create audit log entry\n const auditEvent: PinResetEvent = {\n eventId: crypto.randomUUID(),\n serviceId: student.serviceId,\n resetBy: 'instructor',\n resetAt: new Date().toISOString(),\n release: student.release,\n };\n await storage.saveAuditEvent(auditEvent);\n\n // Update local data\n const index = this.students.findIndex((s) => s.serviceId === student.serviceId);\n if (index >= 0) {\n this.students[index] = updatedStudent;\n this.students = [...this.students]; // Trigger reactivity\n }\n\n // Emit event\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n detail: {\n serviceId: student.serviceId,\n resetBy: 'instructor',\n timestamp: new Date().toISOString(),\n },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Close confirm dialog\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n this.errorMessage = '';\n } catch (err) {\n console.error('PIN reset error:', err);\n this.errorMessage = 'Failed to reset PIN. Please try again.';\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n }\n }\n\n override render() {\n // Don't render when closed\n if (!this.open) {\n return nothing;\n }\n\n const student = this.confirmingStudent;\n const confirmMessage = student\n ? `Reset PIN for ${student.name} (${student.serviceId})?
                        They will need to create a new PIN on next login.`\n : '';\n\n return html`\n \n Reset Student PIN\n\n
                        \n \n\n
                        \n ${this.filteredStudents.length === 0\n ? html`
                        \n ${this.searchText ? 'No matching students' : 'No students found'}\n
                        `\n : this.filteredStudents.map(\n (s) => html`\n
                        \n
                        \n
                        ${s.name}
                        \n
                        ID: ${s.serviceId}
                        \n
                        \n ${s.pinHash ? 'PIN set' : 'No PIN'}\n
                        \n
                        \n this.handleResetClick(s)}\n >\n Reset PIN\n \n
                        \n `,\n )}\n
                        \n\n ${this.errorMessage ? html`
                        ${this.errorMessage}
                        ` : ''}\n
                        \n \n\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-pin-reset-dialog': QdPinResetDialog;\n }\n}\n","/**\n * Instructor component orchestrator\n * Delegates to sub-components based on unlock state\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord, SessionData } from '../../types/contracts.js';\nimport { STORAGE_KEYS } from '../../types/contracts.js';\nimport { getJSON } from '../../utils/storage-helpers.js';\nimport { SessionService } from '../../services/session.js';\nimport { getStorageService } from '../../services/storage-service.js';\nimport './qd-instructor-unlock.js';\nimport './qd-instructor-scores.js';\nimport './qd-instructor-export.js';\nimport './qd-instructor-manage.js';\nimport '../qd-build-info.js';\nimport '../qd-pin-reset-dialog.js';\n\n/**\n * Main instructor panel orchestrating all sub-components\n *\n * State management:\n * - unlocked: false → shows unlock component\n * - unlocked: true → shows scores/export/manage controls\n *\n * @fires qd:instructor-unlock - Forwarded from unlock component\n * @fires qd:data-cleared - Forwarded from manage component\n */\n@customElement('qd-instructor')\nexport class QdInstructor extends LitElement {\n static override styles = [\n sharedStyles,\n css`\n :host {\n display: none; /* Hidden by default, shown when instructor logged in */\n }\n\n :host([data-show]) {\n display: block;\n }\n `,\n ];\n\n @state()\n private unlocked = false;\n\n @state()\n private showScores = false;\n\n @state()\n private students: StudentRecord[] = [];\n\n @state()\n private showStudentAnswers = false;\n\n @state()\n private showPinReset = false;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n\n // Auto-unlock if instructor is already logged in\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.unlock();\n }\n\n // Restore toggle state from sessionStorage\n const savedState = sessionStorage.getItem('qd/instructor/showAnswers');\n if (savedState !== null) {\n this.showStudentAnswers = savedState === 'true';\n\n // If toggle was enabled and instructor is logged in, dispatch event to show answers\n if (this.showStudentAnswers && isInstructor) {\n // Dispatch after tables are enhanced (use setTimeout to defer)\n setTimeout(() => {\n this.dispatchEvent(\n new CustomEvent('qd:instructor-show-answers', {\n bubbles: true,\n composed: true,\n }),\n );\n }, 100);\n }\n }\n\n document.addEventListener('qd:login', this.handleLoginEvent);\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:login', this.handleLoginEvent);\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n /**\n * Update visibility based on instructor session state\n */\n private updateVisibility(): void {\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n private handleLoginEvent = (event: Event): void => {\n const customEvent = event as CustomEvent<{ role?: string }>;\n const role = customEvent.detail?.role;\n\n this.updateVisibility();\n\n // Auto-unlock if instructor logged in\n if (role === 'instructor') {\n this.unlock();\n }\n };\n\n private handleLogoutEvent = (): void => {\n this.updateVisibility();\n this.lock();\n };\n\n /**\n * Set student data for display\n */\n setStudents(students: StudentRecord[]): void {\n this.students = students;\n }\n\n /**\n * Unlock instructor panel (call after successful auth)\n */\n unlock(): void {\n this.unlocked = true;\n }\n\n /**\n * Lock instructor panel (call on logout)\n */\n lock(): void {\n this.unlocked = false;\n this.showScores = false;\n this.showPinReset = false;\n }\n\n private handleResetPins = async (): Promise => {\n // Load all students for current release before showing reset dialog\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showPinReset = true;\n };\n\n private handleClosePinReset = (): void => {\n this.showPinReset = false;\n };\n\n private handlePinReset = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleUnlock = (): void => {\n this.unlocked = true;\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:instructor-unlock', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleViewScores = async (): Promise => {\n // Load all students for current release before showing scores\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showScores = true;\n };\n\n private handleCloseScores = (): void => {\n this.showScores = false;\n };\n\n private handleDataCleared = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:data-cleared', {\n bubbles: true,\n composed: true,\n }),\n );\n // Refresh students list\n this.students = [];\n };\n\n private handleLogout = (): void => {\n const session = getJSON(STORAGE_KEYS.SESSION);\n\n // Clear session from storage (this will also emit qd:logout event)\n const sessionService = new SessionService();\n sessionService.clearSession();\n\n // Dispatch event for any additional listeners\n this.dispatchEvent(\n new CustomEvent('qd:logout', {\n detail: {\n serviceId: session?.serviceId || 'unknown',\n },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleToggleStudentAnswers = async (e: Event): Promise => {\n const checkbox = e.target as HTMLInputElement;\n this.showStudentAnswers = checkbox.checked;\n\n // FR-004: Load student data in fresh session when toggle is enabled\n if (this.showStudentAnswers && this.students.length === 0) {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (session) {\n try {\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students for toggle:', err);\n }\n }\n }\n\n // Emit event to notify table enhancers\n const eventName = this.showStudentAnswers\n ? 'qd:instructor-show-answers'\n : 'qd:instructor-hide-answers';\n\n this.dispatchEvent(\n new CustomEvent(eventName, {\n bubbles: true,\n composed: true,\n }),\n );\n\n // Persist toggle state in sessionStorage\n sessionStorage.setItem('qd/instructor/showAnswers', String(this.showStudentAnswers));\n };\n\n override render() {\n if (!this.unlocked) {\n return html`\n \n `;\n }\n\n return html`\n
                        \n
                        Instructor Mode
                        \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n
                        \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor': QdInstructor;\n }\n}\n","/**\n * Component Injector\n * Injects UI components into the DOM during initialization\n */\n\nimport '../components/qd-login.js';\nimport '../components/qd-status.js';\nimport '../components/qd-instructor/qd-instructor.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * Default container selectors for component injection\n */\nexport const DEFAULT_CONTAINERS = {\n /** Where to inject status panel (Oxygen WebHelp default) */\n statusPanel: '.wh_top_menu_and_indexterms_link',\n} as const;\n\n/**\n * Configuration for component injection\n */\nexport interface ComponentInjectorConfig {\n /** Selector for status panel container */\n statusPanelContainer?: string;\n /** Database name for storage service */\n dbName?: string;\n}\n\n/**\n * Inject login component into status panel container\n */\nexport function injectLoginComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Login component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const login = document.createElement('qd-login');\n container.appendChild(login);\n info('Login component injected');\n return login;\n}\n\n/**\n * Inject status component into status panel container\n */\nexport function injectStatusComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Status component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const status = document.createElement('qd-status');\n container.appendChild(status);\n info('Status component injected');\n return status;\n}\n\n/**\n * Inject instructor component (shown when instructor unlocked)\n */\nexport function injectInstructorComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Instructor component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const instructor = document.createElement('qd-instructor');\n container.appendChild(instructor);\n info('Instructor component injected');\n return instructor;\n}\n\n/**\n * Inject all UI components based on configuration\n */\nexport function injectComponents(config: ComponentInjectorConfig = {}): void {\n const statusPanelContainer = config.statusPanelContainer || DEFAULT_CONTAINERS.statusPanel;\n\n // Always inject login component (handles showing/hiding based on session state)\n injectLoginComponent(statusPanelContainer);\n\n // Always inject status component (handles showing/hiding based on session state)\n injectStatusComponent(statusPanelContainer);\n\n // Always inject instructor component (hidden until unlocked)\n injectInstructorComponent(statusPanelContainer);\n}\n","/**\n * Home Page Badge Enhancer\n *\n * Applies R/A/G (Red/Amber/Green) badges to navigation links based on\n * page completion states. Updates badges in real-time when states change.\n *\n * Features:\n * - Queries links with class .quizPageBtn\n * - Reads completion state from SessionCache\n * - Applies CSS classes: qd-badge-red, qd-badge-amber, qd-badge-green\n * - Listens for qd:state-changed events for real-time updates\n * - Handles missing data gracefully\n *\n * Badge Colors:\n * - Red: Unstarted (no answers provided)\n * - Amber: Incomplete (some answered OR any incorrect)\n * - Green: Complete (all answered AND all correct)\n */\n\nimport type { PageId, SessionCache, CompletionState } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * CSS class constants for badges\n */\nconst BADGE_CLASSES = {\n red: 'qd-badge-red',\n amber: 'qd-badge-amber',\n green: 'qd-badge-green',\n} as const;\n\n/**\n * Map completion states to badge colors\n */\nconst STATE_TO_BADGE: Record = {\n unstarted: 'red',\n incomplete: 'amber',\n complete: 'green',\n};\n\n/**\n * Apply badge class to a link element\n *\n * @param link - Link element to apply badge to\n * @param state - Completion state\n */\nfunction applyBadge(link: HTMLElement, state: CompletionState): void {\n // Remove all existing badge classes\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n\n // Apply new badge class based on state\n const badgeColor = STATE_TO_BADGE[state];\n const badgeClass = BADGE_CLASSES[badgeColor];\n link.classList.add(badgeClass);\n}\n\n/**\n * Get completion state for a page from session cache\n *\n * @param pageId - Page ID to look up\n * @param cache - Session cache\n * @returns Completion state (defaults to 'unstarted' if not found)\n */\nfunction getPageState(pageId: PageId | null, cache: SessionCache | null): CompletionState {\n if (!pageId || !cache?.pages) {\n return 'unstarted';\n }\n\n const pageData = cache.pages[pageId];\n return pageData?.state ?? 'unstarted';\n}\n\n/**\n * Update badge for a single link\n *\n * @param link - Link element with data-page-id attribute\n */\nfunction updateLinkBadge(link: HTMLElement): void {\n const pageId = link.getAttribute('data-page-id');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const state = getPageState(pageId, cache);\n\n applyBadge(link, state);\n}\n\n/**\n * Update all badges from current session cache\n * If no session exists, remove all badges\n */\nfunction updateAllBadges(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n\n // If instructor mode OR no cache, remove all badge styling\n if (!cache || isInstructor) {\n links.forEach((link) => {\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n if (isInstructor) {\n info(`Removed badge styling from ${links.length} page links (instructor mode)`);\n } else {\n info(`Removed badge styling from ${links.length} page links (no session)`);\n }\n return;\n }\n\n // Cache exists and not instructor, apply badges based on state\n links.forEach((link) => {\n updateLinkBadge(link);\n });\n\n info(`Updated ${links.length} page badges`);\n}\n\n/**\n * Handle qd:state-changed event\n *\n * @param event - Custom event with pageId and state\n */\nfunction handleStateChanged(event: Event): void {\n const customEvent = event as CustomEvent<{ pageId: PageId; state: CompletionState }>;\n const { pageId } = customEvent.detail;\n\n // Find link with matching pageId\n const link = document.querySelector(`[data-page-id=\"${pageId}\"]`);\n\n if (link && link.classList.contains('quizPageBtn')) {\n updateLinkBadge(link);\n info(`Updated badge for page ${pageId}`);\n }\n}\n\n/**\n * Handle qd:cache-rebuild event - refresh all badges after cache is ready\n */\nfunction handleCacheRebuild(): void {\n info('Cache rebuilt, refreshing all badges');\n updateAllBadges();\n}\n\n/**\n * Handle qd:logout event - remove all badge styling\n */\nfunction handleLogout(): void {\n info('Logout detected, removing all badge styling');\n const links = document.querySelectorAll('.quizPageBtn');\n\n links.forEach((link) => {\n // Remove all badge classes to revert to native button styling\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n\n info(`Removed badge styling from ${links.length} page links`);\n}\n\n/**\n * Extract pageId from link href attribute\n *\n * @param link - Link element with href\n * @returns PageId extracted from href, or null if invalid\n *\n * @example\n * href=\"Pages/quiz-mcq.html\" → \"quiz-mcq\"\n * href=\"gram-1.html\" → \"gram-1\"\n */\nfunction extractPageIdFromHref(link: HTMLAnchorElement): PageId | null {\n const href = link.getAttribute('href');\n if (!href) {\n return null;\n }\n\n // Extract filename from href (last segment after /)\n const filename = href.substring(href.lastIndexOf('/') + 1);\n\n // Remove .html or .htm extension\n const pageId = filename.replace(/\\.html?$/i, '');\n\n return pageId || null;\n}\n\n/**\n * Enhance home page with R/A/G badges on navigation links\n *\n * This function:\n * 1. Queries all links with class .quizPageBtn\n * 2. Extracts pageId from href attribute and sets data-page-id\n * 3. Reads SessionCache to determine page completion states\n * 4. Applies appropriate badge CSS classes\n * 5. Sets up event listener for real-time updates\n *\n * @example\n * ```html\n * MCQ Questions\n * ```\n *\n * After enhancement:\n * - data-page-id attribute set: data-page-id=\"quiz-mcq\"\n * - Unstarted pages: class=\"quizPageBtn qd-badge-red\"\n * - Incomplete pages: class=\"quizPageBtn qd-badge-amber\"\n * - Complete pages: class=\"quizPageBtn qd-badge-green\"\n */\nexport function enhanceHomeBadges(): void {\n // Find all navigation links\n const links = document.querySelectorAll('.quizPageBtn');\n\n // Extract pageId from href and set data-page-id attribute\n links.forEach((link) => {\n const pageId = extractPageIdFromHref(link);\n if (pageId) {\n link.setAttribute('data-page-id', pageId);\n info(`Set data-page-id=\"${pageId}\" for link: ${link.textContent?.trim()}`);\n } else {\n info(`Failed to extract pageId from href: ${link.getAttribute('href')}`);\n }\n });\n\n // Apply initial badges\n updateAllBadges();\n\n // Listen for state changes and update badges in real-time\n document.addEventListener('qd:state-changed', handleStateChanged);\n\n // Listen for cache rebuild (after login) to refresh badges\n document.addEventListener('qd:cache-rebuild', handleCacheRebuild);\n\n // Listen for logout events to reset badges\n document.addEventListener('qd:logout', handleLogout);\n\n info('Home page badges enhanced with event listeners');\n}\n","/**\n * Bootstrap Module\n * Main initialization logic for the Sonar Quiz System\n */\n\nimport { info, warn } from '../utils/logger.js';\nimport { EventCoordinator } from './event-coordinator.js';\nimport { SessionCoordinator } from './session-coordinator.js';\nimport { injectComponents, type ComponentInjectorConfig } from './component-injector.js';\nimport {\n enhanceQuizTable,\n getQuizTableMetadata,\n showStudentAnswersForTable,\n hideStudentAnswersForTable,\n} from '../enhancers/quiz-table.js';\nimport { enhanceAnalysisTable } from '../enhancers/analysis-table.js';\nimport { enhanceHomeBadges } from '../enhancers/home-badges.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS, type SessionData, type SessionCache } from '../types/contracts.js';\n\n/**\n * Inject global CSS styles required by the quiz system\n * Must be called before any table enhancement\n */\nfunction injectGlobalStyles(): void {\n // Check if styles already injected\n if (document.getElementById('qd-global-styles')) {\n return;\n }\n\n const style = document.createElement('style');\n style.id = 'qd-global-styles';\n style.textContent = `\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: 1rem;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n `;\n\n document.head.appendChild(style);\n info('Global styles injected');\n}\n\n/**\n * Bootstrap configuration options\n */\nexport interface BootstrapConfig extends ComponentInjectorConfig {\n /** Auto-enhance quiz tables on init */\n autoEnhanceQuizTables?: boolean;\n /** Auto-enhance analysis tables on init */\n autoEnhanceAnalysisTables?: boolean;\n /** Auto-enhance home page badges on init */\n autoEnhanceHomeBadges?: boolean;\n}\n\n/**\n * Bootstrap state\n */\ninterface BootstrapState {\n initialized: boolean;\n eventCoordinator?: EventCoordinator;\n sessionCoordinator?: SessionCoordinator;\n}\n\nconst state: BootstrapState = {\n initialized: false,\n};\n\n/**\n * Initialize the Sonar Quiz System\n *\n * @param config - Bootstrap configuration\n */\nexport async function bootstrap(config: BootstrapConfig = {}): Promise {\n if (state.initialized) {\n warn('Bootstrap already initialized, skipping');\n return;\n }\n\n info('Bootstrapping Sonar Quiz System...');\n\n // 0. Inject required global styles\n injectGlobalStyles();\n\n // 1. Initialize storage service (IndexedDB)\n // dbName is REQUIRED - readDOMConfig() throws if missing\n if (!config.dbName) {\n const msg = 'FATAL: dbName not provided in bootstrap config. Processing stopped.';\n console.error(msg);\n throw new Error(msg);\n }\n const storageService = getStorageService(config.dbName);\n await storageService.init();\n\n // 2. Initialize event coordinator\n const eventCoordinator = new EventCoordinator();\n eventCoordinator.initialize();\n state.eventCoordinator = eventCoordinator;\n\n // 3. Initialize session coordinator\n const sessionCoordinator = new SessionCoordinator();\n sessionCoordinator.initialize();\n state.sessionCoordinator = sessionCoordinator;\n\n // 4. Inject UI components\n injectComponents({\n statusPanelContainer: config.statusPanelContainer,\n dbName: config.dbName,\n });\n\n // 5. Auto-enhance tables if enabled\n if (config.autoEnhanceQuizTables !== false) {\n enhanceAllQuizTables();\n }\n\n if (config.autoEnhanceAnalysisTables !== false) {\n enhanceAllAnalysisTables();\n }\n\n if (config.autoEnhanceHomeBadges !== false) {\n enhanceHomeBadgesIfPresent();\n }\n\n // 6. Check for existing session and upgrade tables if logged in\n await checkExistingSessionAndUpgradeTables();\n\n state.initialized = true;\n info('Bootstrap complete');\n}\n\n/**\n * Enhance all quiz tables found in the document\n * Initially enhances in non-interactive mode (hide answers for security)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllQuizTables(): void {\n const tables = document.querySelectorAll('table.qd-quiz');\n\n if (tables.length === 0) {\n info('No quiz tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} quiz table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceQuizTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance quiz table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} quiz table(s) (non-interactive)`);\n}\n\n/**\n * Enhance all analysis tables found in the document\n * Initially enhances in non-interactive mode (read-only)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllAnalysisTables(): void {\n const tables = document.querySelectorAll('table.qd-analysis');\n\n if (tables.length === 0) {\n info('No analysis tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} analysis table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceAnalysisTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance analysis table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} analysis table(s) (non-interactive)`);\n}\n\n/**\n * Enhance home page badges if .quizPageBtn links exist\n */\nfunction enhanceHomeBadgesIfPresent(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n\n if (links.length === 0) {\n info('No .quizPageBtn links found, skipping badge enhancement');\n return;\n }\n\n info(`Enhancing home page badges for ${links.length} link(s)...`);\n\n try {\n enhanceHomeBadges();\n info('Home page badges enhanced');\n } catch (err) {\n warn(`Failed to enhance home badges: ${(err as Error).message}`);\n }\n}\n\n/**\n * Check for existing session and upgrade tables to interactive mode\n * Called during bootstrap to handle page navigation with active session\n */\nasync function checkExistingSessionAndUpgradeTables(): Promise {\n // Check if session exists\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n info('No existing session, tables remain in non-interactive mode');\n return;\n }\n\n // Check if instructor mode - instructors don't need interactive tables\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n info('Instructor session detected, revealing answers in non-interactive tables');\n\n // Extract pageId from URL\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n // Reveal answer and detail columns for instructor (they're hidden by default in non-interactive mode)\n const quizTables = document.querySelectorAll('table.qd-quiz');\n quizTables.forEach((table) => {\n // Get parsed metadata (contains correct answers)\n const metadata = getQuizTableMetadata(table);\n if (!metadata) return;\n\n // Update metadata with pageId\n metadata.pageId = pageId;\n\n // Remove qd-hidden class from answer column (column 1)\n const answerCells = table.querySelectorAll('td:nth-child(2), th:nth-child(2)');\n answerCells.forEach((cell) => {\n cell.classList.remove('qd-hidden');\n });\n\n // Restore answer text to data cells only (not header)\n const answerDataCells = table.querySelectorAll('tbody td:nth-child(2)');\n answerDataCells.forEach((cell, index) => {\n const question = metadata.parsed.questions[index];\n if (question && cell instanceof HTMLTableCellElement) {\n cell.textContent = question.correctAnswer;\n }\n });\n\n // Remove qd-hidden class from detail column (column 2)\n const detailCells = table.querySelectorAll('td:nth-child(3), th:nth-child(3)');\n detailCells.forEach((cell) => cell.classList.remove('qd-hidden'));\n\n // Set up instructor toggle event listeners (since table is non-interactive)\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if toggle already enabled\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (showAnswers) {\n void showAnswersHandler();\n }\n });\n return;\n }\n\n info(`Existing session detected for ${session.serviceId}, upgrading tables to interactive mode`);\n\n // Load or rebuild cache from IndexedDB\n const storageService = getStorageService();\n let cache = getJSON(STORAGE_KEYS.CACHE);\n\n if (!cache) {\n info('Cache not found, rebuilding from IndexedDB...');\n try {\n const studentRecord = await storageService.loadStudentRecord(session);\n cache = storageService.buildCache(studentRecord);\n setJSON(STORAGE_KEYS.CACHE, cache);\n info(`Cache rebuilt from IndexedDB: ${cache.totals.total} total questions`);\n } catch {\n warn('Failed to rebuild cache from IndexedDB, using empty cache');\n cache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n setJSON(STORAGE_KEYS.CACHE, cache);\n }\n }\n\n // Extract pageId from URL filename\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n if (!pageId) {\n info('No pageId found, skipping table upgrade');\n return;\n }\n\n // Upgrade quiz tables to interactive mode\n const quizTables = document.querySelectorAll('table.qd-quiz');\n if (quizTables.length > 0) {\n info(`Upgrading ${quizTables.length} quiz table(s) to interactive mode...`);\n quizTables.forEach((table) => {\n enhanceQuizTable(table, { interactive: true, pageId });\n });\n }\n\n // Upgrade analysis tables to interactive mode\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n if (analysisTables.length > 0) {\n info(`Upgrading ${analysisTables.length} analysis table(s) to interactive mode...`);\n analysisTables.forEach((table) => {\n enhanceAnalysisTable(table, { interactive: true, pageId });\n });\n }\n}\n\n/**\n * Cleanup bootstrap resources\n */\nexport function cleanup(): void {\n if (!state.initialized) {\n warn('Bootstrap not initialized, nothing to cleanup');\n return;\n }\n\n info('Cleaning up bootstrap resources...');\n\n state.eventCoordinator?.cleanup();\n state.sessionCoordinator?.cleanup();\n\n state.initialized = false;\n state.eventCoordinator = undefined;\n state.sessionCoordinator = undefined;\n\n info('Bootstrap cleanup complete');\n}\n\n/**\n * Check if bootstrap is initialized\n */\nexport function isInitialized(): boolean {\n return state.initialized;\n}\n\n/**\n * Get the event coordinator instance\n */\nexport function getEventCoordinator(): EventCoordinator | undefined {\n return state.eventCoordinator;\n}\n\n/**\n * Get the session coordinator instance\n */\nexport function getSessionCoordinator(): SessionCoordinator | undefined {\n return state.sessionCoordinator;\n}\n","/**\n * Sonar Quiz System - Entry Point\n *\n * Offline-first interactive quiz and analysis platform for DITA-published content.\n *\n * @packageDocumentation\n */\n\nimport { bootstrap } from './init/bootstrap.js';\nimport { info } from './utils/logger.js';\nimport { readDOMConfig } from './config/dom-config-reader.js';\n\n// Export quiz table enhancer (Phase 2.1)\nexport {\n enhanceQuizTable,\n getQuizTableMetadata,\n isQuizTableEnhanced,\n} from './enhancers/quiz-table.js';\nexport type { EnhanceQuizTableOptions } from './enhancers/quiz-table.js';\n\n// Export analysis table enhancer (Phase 2.2)\nexport {\n enhanceAnalysisTable,\n getAnalysisTableMetadata,\n isAnalysisTableEnhanced,\n} from './enhancers/analysis-table.js';\nexport type { EnhanceAnalysisTableOptions } from './enhancers/analysis-table.js';\n\n// Export types\nexport type {\n ParsedQuizTable,\n QuizQuestion,\n AnswerRecord,\n CompletionState,\n PageId,\n SessionData,\n SessionCache,\n StudentRecord,\n PageData,\n ReleaseId,\n ServiceId,\n TableId,\n CellKey,\n QuestionKind,\n} from './types/contracts.js';\n\n// Export constants\nexport { STORAGE_KEYS, SCHEMA_VERSION, SESSION_TIMEOUT_MS } from './types/contracts.js';\n\n// Export services\nexport { parseQuizTable, validateAnswer } from './services/quiz-parser.js';\nexport {\n parseAnalysisTable,\n generateTableId,\n generateCellKey,\n isCellEditable,\n} from './services/analysis-parser.js';\nexport { calculateCompletionState } from './services/state-calculator.js';\n\n// Export utilities\nexport { Debouncer } from './utils/debouncer.js';\nexport { getJSON, setJSON, clearQuizData } from './utils/storage-helpers.js';\nexport { info, warn, error } from './utils/logger.js';\n\n// Export bootstrap (Phase 3)\nexport { bootstrap, cleanup, isInitialized } from './init/bootstrap.js';\nexport type { BootstrapConfig } from './init/bootstrap.js';\n\n// Export component injector\nexport { injectComponents, DEFAULT_CONTAINERS } from './init/component-injector.js';\nexport type { ComponentInjectorConfig } from './init/component-injector.js';\n\n/**\n * Version information\n */\nexport const VERSION = '0.1.0-phase3.1';\nexport const BUILD_DATE = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : 'development';\n\n// Declare global for build date injection\ndeclare const __BUILD_DATE__: string;\n\n/**\n * Auto-initialize on DOMContentLoaded\n *\n * System always initializes when script loads. Configuration is read from\n * hidden DOM elements injected by DITA publishing (see dom-config-reader.ts).\n */\nif (typeof window !== 'undefined') {\n const init = () => {\n info('Auto-initializing Sonar Quiz System');\n\n // Read configuration from hidden DOM elements\n const domConfig = readDOMConfig();\n\n // Bootstrap with DOM config\n bootstrap({\n dbName: domConfig.dbName,\n statusPanelContainer: domConfig.statusPanelContainer,\n autoEnhanceQuizTables: true,\n autoEnhanceAnalysisTables: true,\n autoEnhanceHomeBadges: true,\n }).catch((err) => {\n console.error('[FATAL] Bootstrap failed:', err);\n });\n };\n\n // Initialize when DOM is ready\n if (document.readyState === 'loading') {\n document.addEventListener('DOMContentLoaded', () => void init());\n } else {\n // DOM already loaded\n void init();\n 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\ No newline at end of file From 83ae5d035128ed8bcb7aee1e9d2810a60b014db4 Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 17:17:10 +0000 Subject: [PATCH 09/11] feat: add git rebase command to allowed permissions --- .claude/settings.local.json | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/.claude/settings.local.json b/.claude/settings.local.json index 948cab8..470f2f3 100644 --- a/.claude/settings.local.json +++ b/.claude/settings.local.json @@ -49,7 +49,8 @@ "Bash(npm run test:coverage:integration:*)", "Bash(git revert:*)", "Bash(npm run test:e2e:headed:*)", - "Bash(git stash:*)" + "Bash(git stash:*)", + "Bash(git rebase:*)" ], "deny": [], "ask": [] From bd83de2473407780735c796c8392fce5ee9ef69b Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 17:17:16 +0000 Subject: [PATCH 10/11] new release --- .../template/resources/sonar-quiz.iife.js | 590 +++++++++--------- .../template/resources/sonar-quiz.iife.js.map | 2 +- 2 files changed, 313 insertions(+), 279 deletions(-) diff --git a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js index d01eeb9..c6c032f 100644 --- a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js +++ b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js @@ -1,20 +1,20 @@ -var SonarQuiz=function(t){"use strict";function s(t){if(t.length<2)return"**";if(2===t.length)return t;return t.slice(0,2)+"*".repeat(t.length-2)}function n(t){if(null===t||"object"!=typeof t)return t;const o={};for(const[r,a]of Object.entries(t))"name"!==r&&"passwordHash"!==r&&(o[r]="serviceId"!==r||"string"!=typeof a?"object"!=typeof a||null===a?a:n(a):s(a));return o}function o(t,s){}function r(t,s){if(s instanceof Error){const n={name:s.name,message:s.message};console.error(`[ERROR] ${t}`,n)}else void 0!==s?console.error(`[ERROR] ${t}`,n(s)):console.error(`[ERROR] ${t}`)}function a(t,s){void 0!==s?console.warn(`[WARN] 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t=this.getSession();t&&(t.instructorUnlocked=!0,t.unlockTime=(new Date).toISOString(),this.saveSession(t),this.emitEvent("qd:instructor-unlock",{timestamp:t.unlockTime}))}lockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!1,delete t.unlockTime,this.saveSession(t),this.emitEvent("qd:instructor-lock",{timestamp:(new Date).toISOString()}))}isInstructorUnlocked(){const t=this.getSession();return!0===t?.instructorUnlocked}getCache(){try{const t=sessionStorage.getItem(u.CACHE);return t?JSON.parse(t):null}catch(t){return r("Failed to parse cache data",t),null}}saveCache(t){try{sessionStorage.setItem(u.CACHE,JSON.stringify(t))}catch(s){r("Failed to save cache",s)}}clearCache(){sessionStorage.removeItem(u.CACHE)}saveSession(t){try{sessionStorage.setItem(u.SESSION,JSON.stringify(t))}catch(s){r("Failed to save session",s)}}emitEvent(t,s){try{const n=new CustomEvent(t,{detail:s,bubbles:!0});document.dispatchEvent(n)}catch(n){r(`Failed to emit event ${t}`,n)}}}function 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c=m[t];if(!c)return;const l=b(c)[n];l&&(nt(l)?(d.set(l,o),g[o]&&(l.textContent=g[o]),l.contentEditable="true",y(l,"qd-editable"),l.addEventListener("input",()=>{!function(t,s,n){const{debouncer:o,pageId:c}=t;if(!o||!c)return;const d=v(s);o.debounce(`save-cell-${n}`,()=>{!async function(t,s,n){const{pageId:o,parsed:c}=t;if(!o)return;const d=$(u.SESSION);if(!d)return void r("No active session found");const l=V();let h;try{h=await l.loadStudentRecord(d)}catch(b){return void a("Failed to load student record, analysis not saved",b)}const p=h.pages[o]||{answers:[],state:"unstarted"},g=p.analysis||{tableId:c.tableId,cells:{}};g.cells[s]=n;const m=(new Date).toISOString();g.firstEdited||(g.firstEdited=m);g.lastEdited=m,p.analysis=g,h.pages[o]=p,h.updated=m;try{await l.saveStudentRecord(h)}catch(b){a("Failed to save student record to IndexedDB",b)}const f=l.buildCache(h);C(u.CACHE,f),x("qd:analysis-saved",{pageId:o,tableId:c.tableId,cellKey:s,content:n})}(t,n,d)},500)}(s,l,o)})):r(`Cell at R${t}C${n} is no longer editable`))}),y(t,"qd-analysis-interactive"),!0}(t,o):function(t){y(t,"qd-analysis-non-interactive");const s=()=>{!async function(t){const s=rt.get(t);if(!s)return void a("Cannot show student entries: table not enhanced");const n=s.pageId||function(){const t=document.body.dataset.pageId;if(t)return t;const s=window.location.pathname,n=(s.split("/").pop()||"").replace(".html","");return n||void 0}();if(!n)return void a("Cannot show student entries: page ID not found");const o=$(u.SESSION);if(!o)return void a("Cannot show student entries: no active session");const c=V();let d;try{d=await c.getStudentsByRelease(o.release)}catch(g){return void r("Failed to load students for instructor view:",g)}const l=function(t,s){const n={};return t.forEach(t=>{const o=t.pages[s];if(!o||!o.analysis)return;const{cells:r}=o.analysis,a=o.analysis.lastEdited||t.updated;Object.entries(r).forEach(([s,o])=>{n[s]||(n[s]=[]),n[s].push({serviceId:t.serviceId,name:t.name,content:o,timestamp:a})})}),n}(d,n),{editableCells:h}=s.parsed,p=f(t);h.forEach(({row:t,col:s,key:n})=>{const o=p[t];if(!o)return;const r=b(o)[s];if(!r)return;const a=function(t){const s=document.createElement("div");if(s.className="qd-student-entries",0===t.length)return s.className+=" qd-no-entries",s.textContent="(No entries yet)",s.style.cssText="color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;",s;const n=function(t){return[...t].sort((t,s)=>{const n=new Date(t.timestamp).getTime();return new Date(s.timestamp).getTime()-n})}(t);return n.forEach(t=>{const n=document.createElement("div");n.className="qd-entry",n.style.cssText="padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;";const o=t.serviceId.slice(-4),r=m(t.timestamp),a=document.createElement("span");a.style.cssText="font-weight: 600; color: #374151;",a.textContent=`${t.name} (${o}) • ${r}: `;const c=document.createElement("span");c.style.cssText="white-space: pre-wrap;",c.textContent=t.content,n.appendChild(a),n.appendChild(c),s.appendChild(n)}),s.style.cssText="margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;",s}(l[n]||[]);a.setAttribute("data-qd-student-entries","true");const c=r.querySelector("[data-qd-student-entries]");c&&c.remove(),r.appendChild(a)}),h.length}(t)},n=()=>{at(t)};return document.addEventListener("qd:instructor-show-answers",s),document.addEventListener("qd:instructor-hide-answers",n),!0}(t)}function at(t){t.querySelectorAll("[data-qd-student-entries]").forEach(t=>t.remove())}class EventCoordinator{constructor(){this.listeners=new Map}initialize(){this.registerLoginHandlers(),this.registerLogoutHandlers(),this.registerAnswerHandlers(),this.registerStateHandlers(),this.registerInstructorHandlers(),this.registerDataHandlers()}registerLoginHandlers(){this.addEventListener("qd:login",t=>{(async()=>{const s=t.detail;if(s.serviceId,s.name,"INSTRUCTOR"===s.serviceId)return;const n=$(u.SESSION);if(!n)return;const o=V();let r,a;try{r=await o.loadStudentRecord(n),await o.saveStudentRecord(r),a=o.buildCache(r),C(u.CACHE,a),a.totals.total}catch{C(u.CACHE,{totals:{total:0,answered:0,correct:0},pages:{}})}this.dispatchEvent("qd:cache-rebuild",{}),this.upgradeTablesAfterLogin()})()})}upgradeTablesAfterLogin(){const t=window.location.pathname,s=t.substring(t.lastIndexOf("/")+1).replace(/\.html?$/i,"");if(!s)return;if("true"===sessionStorage.getItem(u.INSTRUCTOR)){return void document.querySelectorAll("table.qd-quiz").forEach(t=>{const n=G(t);if(!n)return;n.pageId=s;t.querySelectorAll("td:nth-child(2), th:nth-child(2)").forEach(t=>{t.classList.remove("qd-hidden")});t.querySelectorAll("tbody td:nth-child(2)").forEach((t,s)=>{const o=n.parsed.questions[s];o&&t instanceof HTMLTableCellElement&&(t.textContent=o.correctAnswer)});t.querySelectorAll("td:nth-child(3), th:nth-child(3)").forEach(t=>t.classList.remove("qd-hidden"));const o=()=>{Z(t,n)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",()=>{X(t)});"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}const n=document.querySelectorAll("table.qd-quiz");n.length>0&&(n.length,n.forEach(t=>{K(t,{interactive:!0,pageId:s})}));const o=document.querySelectorAll("table.qd-analysis");o.length>0&&(o.length,o.forEach(t=>{it(t,{interactive:!0,pageId:s})}))}registerLogoutHandlers(){this.addEventListener("qd:logout",t=>{t.detail.serviceId;document.querySelectorAll("table.qd-quiz").forEach(t=>{!function(t){const s=Q.get(t);s&&(s.interactive=!1,s.pageId=void 0,s.inputs=void 0,s.cleanupInstructorListeners?.(),s.cleanupInstructorListeners=void 0,J(t),Y(t),S(t,"qd-quiz-interactive"))}(t)});document.querySelectorAll("table.qd-analysis").forEach(t=>{!function(t){const s=rt.get(t);s&&(at(t),s.interactive&&(t.querySelectorAll(".qd-editable").forEach(t=>{t instanceof HTMLTableCellElement&&(t.contentEditable="false",t.classList.remove("qd-editable"),t.textContent="")}),t.classList.remove("qd-analysis-interactive"),s.debouncer?.cancelAll()),s.interactive=!1,s.pageId=void 0,s.debouncer=void 0,s.cellKeyMap=void 0)}(t)}),this.dispatchEvent("qd:cache-clear",{})})}registerAnswerHandlers(){this.addEventListener("qd:answer-saved",t=>{const s=t.detail;s.pageId,s.questionIndex,s.answer,s.success,this.dispatchEvent("qd:cache-update",{pageId:s.pageId})})}registerStateHandlers(){this.addEventListener("qd:state-changed",t=>{const s=t.detail;s.pageId,s.state,this.dispatchEvent("qd:badge-update",{pageId:s.pageId,state:s.state})})}registerInstructorHandlers(){this.addEventListener("qd:instructor-unlock",t=>{t.detail.unlockTime}),this.addEventListener("qd:instructor-lock",()=>{})}registerDataHandlers(){this.addEventListener("qd:data-cleared",t=>{t.detail.timestamp,this.dispatchEvent("qd:cache-clear",{})})}addEventListener(t,s){document.addEventListener(t,s);const n=this.listeners.get(t)||[];n.push(s),this.listeners.set(t,n)}dispatchEvent(t,s){const n=new CustomEvent(t,{detail:s,bubbles:!0,composed:!0});document.dispatchEvent(n)}cleanup(){for(const[t,s]of this.listeners)for(const n of s)document.removeEventListener(t,n);this.listeners.clear()}}class SessionCoordinator{constructor(){this.sessionService=new SessionService}initialize(){const t=this.sessionService.getSession();if(t){if(t.serviceId,this.sessionService.isExpired())return a("Session expired, clearing"),void this.sessionService.clearSession();this.scheduleExpiryCheck(t),this.setupActivityTracking()}}scheduleExpiryCheck(t){void 0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId);const s=(new Date).getTime(),n=new Date(t.expiresAt).getTime()-s;n<=0?this.sessionService.clearSession():this.expiryTimeoutId=window.setTimeout(()=>{this.sessionService.clearSession()},n)}setupActivityTracking(){const t=()=>{if(!this.sessionService.getSession())return;this.sessionService.updateActivity();const t=this.sessionService.getSession();t&&this.scheduleExpiryCheck(t)};let s;const n=()=>{void 0!==s&&window.clearTimeout(s),s=window.setTimeout(()=>{t()},5e3)};["click","keydown","scroll","mousemove"].forEach(t=>{document.addEventListener(t,n,{passive:!0})})}cleanup(){void 0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId)}getSessionService(){return this.sessionService}} +var SonarQuiz=function(t){"use strict";function s(t){if(t.length<2)return"**";if(2===t.length)return t;return t.slice(0,2)+"*".repeat(t.length-2)}function n(t){if(null===t||"object"!=typeof t)return t;const o={};for(const[r,a]of Object.entries(t))"name"!==r&&"passwordHash"!==r&&(o[r]="serviceId"!==r||"string"!=typeof a?"object"!=typeof a||null===a?a:n(a):s(a));return o}function o(t,s){}function r(t,s){if(s instanceof Error){const n={name:s.name,message:s.message};console.error(`[ERROR] ${t}`,n)}else void 0!==s?console.error(`[ERROR] ${t}`,n(s)):console.error(`[ERROR] ${t}`)}function a(t,s){void 0!==s?console.warn(`[WARN] ${t}`,n(s)):console.warn(`[WARN] ${t}`)}function c(t){const s=[],n=[];if(!t.classList.contains("qd-quiz"))return s.push('Table must have class "qd-quiz"'),{element:t,questions:n,errors:s};const o=Array.from(t.querySelectorAll("tbody tr"));return 0===o.length?(s.push("Quiz table has no data rows"),{element:t,questions:n,errors:s}):(o.forEach((t,o)=>{const r=Array.from(t.querySelectorAll("td"));if(3!==r.length)return void s.push(`Row ${o+1} has ${r.length} columns, expected 3 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this.saveSession(a),this.emitEvent("qd:login",{serviceId:t,name:s,release:n,loginTime:r}),a}getSession(){try{const t=sessionStorage.getItem(u.SESSION);if(!t)return null;const s=JSON.parse(t);return s.serviceId&&s.release&&s.expiresAt?s:(a("Invalid session data, missing required fields"),null)}catch(t){return r("Failed to parse session data",t),null}}updateActivity(){const t=this.getSession();if(!t)return;const s=new Date;t.lastActivity=s.toISOString(),t.expiresAt=new Date(s.getTime()+l).toISOString(),this.saveSession(t)}isExpired(){const t=this.getSession();return!t||function(t,s=new Date){const n=new Date(t);return!!isNaN(n.getTime())||s>=n}(t.expiresAt)}clearSession(){const t=this.getSession();sessionStorage.removeItem(u.SESSION),sessionStorage.removeItem(u.CACHE),sessionStorage.removeItem(u.INSTRUCTOR),sessionStorage.removeItem("qd/instructor/showAnswers"),t&&(t.serviceId,this.emitEvent("qd:logout",{serviceId:t.serviceId,timestamp:(new Date).toISOString()}))}unlockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!0,t.unlockTime=(new Date).toISOString(),this.saveSession(t),this.emitEvent("qd:instructor-unlock",{timestamp:t.unlockTime}))}lockInstructor(){const t=this.getSession();t&&(t.instructorUnlocked=!1,delete t.unlockTime,this.saveSession(t),this.emitEvent("qd:instructor-lock",{timestamp:(new Date).toISOString()}))}isInstructorUnlocked(){const t=this.getSession();return!0===t?.instructorUnlocked}getCache(){try{const t=sessionStorage.getItem(u.CACHE);return t?JSON.parse(t):null}catch(t){return r("Failed to parse cache data",t),null}}saveCache(t){try{sessionStorage.setItem(u.CACHE,JSON.stringify(t))}catch(s){r("Failed to save cache",s)}}clearCache(){sessionStorage.removeItem(u.CACHE)}saveSession(t){try{sessionStorage.setItem(u.SESSION,JSON.stringify(t))}catch(s){r("Failed to save session",s)}}emitEvent(t,s){try{const n=new CustomEvent(t,{detail:s,bubbles:!0});document.dispatchEvent(n)}catch(n){r(`Failed to emit event ${t}`,n)}}}function g(t,s){const n=s.answers.length,o=s.answers.filter(t=>""!==t.answer.trim()).length,r=s.answers.filter(t=>t.success).length;return{state:s.state,total:n,answered:o,correct:r,last:s.lastAttempted,answers:s.answers,analysis:s.analysis}}function m(t){return function(t,s="display"){if(null==t)return console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date";const n="string"==typeof t?new Date(t):t;return isNaN(n.getTime())?(console.warn("Invalid date provided to formatTimestamp:",t),"Invalid Date"):"csv"===s?function(t){return t.toISOString()}(n):function(t){return`${t.toLocaleDateString("en-US",{month:"short"})} ${t.getDate()} ${t.getHours().toString().padStart(2,"0")}:${t.getMinutes().toString().padStart(2,"0")}`}(n)}(t,"display")}class Debouncer{constructor(){this.timers=new Map}debounce(t,s,n=200){const o=this.timers.get(t);void 0!==o&&clearTimeout(o);const r=setTimeout(()=>{this.timers.delete(t),s()},n);this.timers.set(t,r)}cancel(t){const s=this.timers.get(t);return void 0!==s&&(clearTimeout(s),this.timers.delete(t),!0)}cancelAll(){let t=0;for(const s of this.timers.values())clearTimeout(s),t++;return this.timers.clear(),t}isPending(t){return this.timers.has(t)}getPendingCount(){return this.timers.size}}function f(t){const s=t.querySelector("tbody");return s?Array.from(s.querySelectorAll("tr")):[]}function b(t){return Array.from(t.cells)}function y(t){return t&&t.textContent?.trim()||""}function v(t,s,n){return document.createElement(t)}function w(t,...s){t.classList.add(...s)}function S(t,...s){t.classList.remove(...s)}function x(t,s,n){const o=new CustomEvent(t,{detail:s,bubbles:!0,composed:!0,cancelable:!1});return document.dispatchEvent(o)}function E(t,s,n,o){const r=new CustomEvent(s,{detail:n,bubbles:!0,composed:!0,cancelable:!1});return t.dispatchEvent(r)}function $(t){try{const s=sessionStorage.getItem(t);return s?JSON.parse(s):null}catch(s){return a(`Failed to parse JSON from sessionStorage key: ${t}`,s),null}}function C(t,s){try{const n=JSON.stringify(s);return sessionStorage.setItem(t,n),!0}catch(n){return a(`Failed to store JSON in sessionStorage key: ${t}`,n),!1}}function q(){const t=[];for(let s=0;s{let n,o=!1;const c=()=>{n&&(clearTimeout(n),n=void 0)};n=window.setTimeout(()=>{if(o)return;o=!0,this.initPromise=null,a("IndexedDB open timed out after 5000ms - attempting recovery");const n=indexedDB.deleteDatabase(this.dbName);n.onsuccess=()=>{this.init().then(t).catch(s)},n.onerror=()=>{s(new StorageError(`Database "${this.dbName}" appears corrupted. Please clear site data in browser settings.`,"init"))},n.onblocked=()=>{s(new StorageError("Cannot recover database - close all other tabs with this site and reload.","init"))}},5e3);const d=indexedDB.open(this.dbName,3);d.onerror=()=>{o||(o=!0,c(),r(`IndexedDB open error: ${d.error?.message||"unknown"}`),this.initPromise=null,s(new StorageError("Failed to open database","init",d.error)))},d.onblocked=()=>{a("IndexedDB open blocked - close other tabs with this database")},d.onsuccess=()=>{if(!o){if(o=!0,c(),this.db=d.result,!this.db.objectStoreNames.contains(T)||!this.db.objectStoreNames.contains(O)||!this.db.objectStoreNames.contains(_)){a(`Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(", ")}]`),this.db.close(),this.db=null;const n=indexedDB.deleteDatabase(this.dbName);return n.onsuccess=()=>{this.initPromise=null,this.init().then(t).catch(s)},void(n.onerror=()=>{this.initPromise=null,s(new StorageError("Failed to delete corrupted database","init",n.error))})}this.initPromise=null,t()}},d.onupgradeneeded=t=>{const s=t.target.result,n=t.target.transaction;n&&(n.onerror=()=>{r(`Upgrade transaction error: ${n.error?.message||"unknown"}`)},n.onabort=()=>{r(`Upgrade transaction aborted: ${n.error?.message||"unknown"}`)});try{if(!s.objectStoreNames.contains(T)){const t=s.createObjectStore(T,{keyPath:null});t.createIndex("by-release","release",{unique:!1}),t.createIndex("by-service-id","serviceId",{unique:!1})}if(!s.objectStoreNames.contains(O)){const t=s.createObjectStore(O,{keyPath:null});t.createIndex("by-original-key","originalKey",{unique:!1}),t.createIndex("by-timestamp","timestamp",{unique:!1})}if(!s.objectStoreNames.contains(_)){const t=s.createObjectStore(_,{keyPath:"eventId"});t.createIndex("by-service-id","serviceId",{unique:!1}),t.createIndex("by-reset-at","resetAt",{unique:!1})}}catch(o){throw r("Error during database upgrade",o),o}}}),this.initPromise)}ensureInitialized(){if(!this.db)throw new StorageNotInitializedError("ensureInitialized");return this.db}async getStudent(t,s){const n=this.ensureInitialized(),o=A(t,s);return new Promise((t,s)=>{try{const r=n.transaction(T,"readonly"),a=r.objectStore(T).get(o);a.onsuccess=()=>{t(a.result||null)},a.onerror=()=>{s(new StorageError("Failed to get student record","getStudent",a.error))}}catch(r){s(new StorageError("Failed to get student record","getStudent",r))}})}async saveStudent(t){const s=this.ensureInitialized(),n=A(t.release,t.serviceId);return new 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o=t.serviceId.slice(-4),r=m(t.timestamp),a=document.createElement("span");a.style.cssText="font-weight: 600; color: #374151;",a.textContent=`${t.name} (${o}) • ${r}: `;const c=document.createElement("span");c.style.cssText="white-space: pre-wrap;",c.textContent=t.content,n.appendChild(a),n.appendChild(c),s.appendChild(n)}),s.style.cssText="margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;",s}(l[n]||[]);a.setAttribute("data-qd-student-entries","true");const c=r.querySelector("[data-qd-student-entries]");c&&c.remove(),r.appendChild(a)}),h.length}(t)},n=()=>{at(t)};return document.addEventListener("qd:instructor-show-answers",s),document.addEventListener("qd:instructor-hide-answers",n),!0}(t)}function at(t){t.querySelectorAll("[data-qd-student-entries]").forEach(t=>t.remove())}class EventCoordinator{constructor(){this.listeners=new 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s=t.detail;s.pageId,s.state,this.dispatchEvent("qd:badge-update",{pageId:s.pageId,state:s.state})})}registerInstructorHandlers(){this.addEventListener("qd:instructor-unlock",t=>{t.detail.unlockTime}),this.addEventListener("qd:instructor-lock",()=>{})}registerDataHandlers(){this.addEventListener("qd:data-cleared",t=>{t.detail.timestamp,this.dispatchEvent("qd:cache-clear",{})})}addEventListener(t,s){document.addEventListener(t,s);const n=this.listeners.get(t)||[];n.push(s),this.listeners.set(t,n)}dispatchEvent(t,s){const n=new CustomEvent(t,{detail:s,bubbles:!0,composed:!0});document.dispatchEvent(n)}cleanup(){for(const[t,s]of this.listeners)for(const n of s)document.removeEventListener(t,n);this.listeners.clear()}}class SessionCoordinator{constructor(){this.sessionService=new SessionService}initialize(){const t=this.sessionService.getSession();if(t){if(t.serviceId,this.sessionService.isExpired())return a("Session expired, clearing"),void this.sessionService.clearSession();this.scheduleExpiryCheck(t),this.setupActivityTracking()}}scheduleExpiryCheck(t){void 0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId);const s=(new Date).getTime(),n=new Date(t.expiresAt).getTime()-s;n<=0?this.sessionService.clearSession():this.expiryTimeoutId=window.setTimeout(()=>{this.sessionService.clearSession()},n)}setupActivityTracking(){const t=()=>{if(!this.sessionService.getSession())return;this.sessionService.updateActivity();const t=this.sessionService.getSession();t&&this.scheduleExpiryCheck(t)};let s;const n=()=>{void 0!==s&&window.clearTimeout(s),s=window.setTimeout(()=>{t()},5e3)};["click","keydown","scroll","mousemove"].forEach(t=>{document.addEventListener(t,n,{passive:!0})})}cleanup(){void 0!==this.expiryTimeoutId&&window.clearTimeout(this.expiryTimeoutId)}getSessionService(){return this.sessionService}} /** * @license * Copyright 2019 Google LLC * SPDX-License-Identifier: BSD-3-Clause - */const ct=globalThis,dt=ct.ShadowRoot&&(void 0===ct.ShadyCSS||ct.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,lt=Symbol(),ut=new WeakMap;let ht=class{constructor(t,s,n){if(this._$cssResult$=!0,n!==lt)throw Error("CSSResult is not constructable. 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BSD-3-Clause - */Symbol.metadata??=Symbol("metadata"),St.litPropertyMetadata??=new WeakMap;let kt=class extends HTMLElement{static addInitializer(t){this._$Ei(),(this.l??=[]).push(t)}static get observedAttributes(){return this.finalize(),this._$Eh&&[...this._$Eh.keys()]}static createProperty(t,s=qt){if(s.state&&(s.attribute=!1),this._$Ei(),this.prototype.hasOwnProperty(t)&&((s=Object.create(s)).wrapped=!0),this.elementProperties.set(t,s),!s.noAccessor){const n=Symbol(),o=this.getPropertyDescriptor(t,n,s);void 0!==o&&ft(this.prototype,t,o)}}static getPropertyDescriptor(t,s,n){const{get:o,set:r}=bt(this.prototype,t)??{get(){return this[s]},set(t){this[s]=t}};return{get:o,set(s){const a=o?.call(this);r?.call(this,s),this.requestUpdate(t,a,n)},configurable:!0,enumerable:!0}}static getPropertyOptions(t){return this.elementProperties.get(t)??qt}static _$Ei(){if(this.hasOwnProperty(It("elementProperties")))return;const t=yt(this);t.finalize(),void 0!==t.l&&(this.l=[...t.l]),this.elementProperties=new Map(t.elementProperties)}static finalize(){if(this.hasOwnProperty(It("finalized")))return;if(this.finalized=!0,this._$Ei(),this.hasOwnProperty(It("properties"))){const t=this.properties,s=[...vt(t),...wt(t)];for(const n of s)this.createProperty(n,t[n])}const t=this[Symbol.metadata];if(null!==t){const s=litPropertyMetadata.get(t);if(void 0!==s)for(const[t,n]of s)this.elementProperties.set(t,n)}this._$Eh=new Map;for(const[s,n]of this.elementProperties){const t=this._$Eu(s,n);void 0!==t&&this._$Eh.set(t,s)}this.elementStyles=this.finalizeStyles(this.styles)}static finalizeStyles(t){const s=[];if(Array.isArray(t)){const n=new Set(t.flat(1/0).reverse());for(const t of n)s.unshift(gt(t))}else void 0!==t&&s.push(gt(t));return s}static _$Eu(t,s){const n=s.attribute;return!1===n?void 0:"string"==typeof n?n:"string"==typeof t?t.toLowerCase():void 0}constructor(){super(),this._$Ep=void 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*/Symbol.metadata??=Symbol("metadata"),St.litPropertyMetadata??=new WeakMap;let kt=class extends HTMLElement{static addInitializer(t){this._$Ei(),(this.l??=[]).push(t)}static get observedAttributes(){return this.finalize(),this._$Eh&&[...this._$Eh.keys()]}static createProperty(t,s=At){if(s.state&&(s.attribute=!1),this._$Ei(),this.prototype.hasOwnProperty(t)&&((s=Object.create(s)).wrapped=!0),this.elementProperties.set(t,s),!s.noAccessor){const n=Symbol(),o=this.getPropertyDescriptor(t,n,s);void 0!==o&&ft(this.prototype,t,o)}}static getPropertyDescriptor(t,s,n){const{get:o,set:r}=bt(this.prototype,t)??{get(){return this[s]},set(t){this[s]=t}};return{get:o,set(s){const a=o?.call(this);r?.call(this,s),this.requestUpdate(t,a,n)},configurable:!0,enumerable:!0}}static getPropertyOptions(t){return this.elementProperties.get(t)??At}static _$Ei(){if(this.hasOwnProperty(Ct("elementProperties")))return;const t=wt(this);t.finalize(),void 0!==t.l&&(this.l=[...t.l]),this.elementProperties=new Map(t.elementProperties)}static finalize(){if(this.hasOwnProperty(Ct("finalized")))return;if(this.finalized=!0,this._$Ei(),this.hasOwnProperty(Ct("properties"))){const t=this.properties,s=[...yt(t),...vt(t)];for(const n of s)this.createProperty(n,t[n])}const t=this[Symbol.metadata];if(null!==t){const s=litPropertyMetadata.get(t);if(void 0!==s)for(const[t,n]of s)this.elementProperties.set(t,n)}this._$Eh=new Map;for(const[s,n]of this.elementProperties){const t=this._$Eu(s,n);void 0!==t&&this._$Eh.set(t,s)}this.elementStyles=this.finalizeStyles(this.styles)}static finalizeStyles(t){const s=[];if(Array.isArray(t)){const n=new Set(t.flat(1/0).reverse());for(const t of n)s.unshift(gt(t))}else void 0!==t&&s.push(gt(t));return s}static _$Eu(t,s){const n=s.attribute;return!1===n?void 0:"string"==typeof n?n:"string"==typeof t?t.toLowerCase():void 0}constructor(){super(),this._$Ep=void 0,this.isUpdatePending=!1,this.hasUpdated=!1,this._$Em=null,this._$Ev()}_$Ev(){this._$ES=new 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0!==o&&s.setAttribute("nonce",o),s.textContent=n.cssText,t.appendChild(s)}})(t,this.constructor.elementStyles),t}connectedCallback(){this.renderRoot??=this.createRenderRoot(),this.enableUpdating(!0),this._$EO?.forEach(t=>t.hostConnected?.())}enableUpdating(t){}disconnectedCallback(){this._$EO?.forEach(t=>t.hostDisconnected?.())}attributeChangedCallback(t,s,n){this._$AK(t,n)}_$ET(t,s){const n=this.constructor.elementProperties.get(t),o=this.constructor._$Eu(t,n);if(void 0!==o&&!0===n.reflect){const r=(void 0!==n.converter?.toAttribute?n.converter:qt).toAttribute(s,n.type);this._$Em=t,null==r?this.removeAttribute(o):this.setAttribute(o,r),this._$Em=null}}_$AK(t,s){const n=this.constructor,o=n._$Eh.get(t);if(void 0!==o&&this._$Em!==o){const t=n.getPropertyOptions(o),r="function"==typeof t.converter?{fromAttribute:t.converter}:void 0!==t.converter?.fromAttribute?t.converter:qt;this._$Em=o;const 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0}const t=this.constructor.elementProperties;if(t.size>0)for(const[s,n]of t){const{wrapped:t}=n,o=this[s];!0!==t||this._$AL.has(s)||void 0===o||this.C(s,void 0,n,o)}}let t=!1;const s=this._$AL;try{t=this.shouldUpdate(s),t?(this.willUpdate(s),this._$EO?.forEach(t=>t.hostUpdate?.()),this.update(s)):this._$EM()}catch(n){throw t=!1,this._$EM(),n}t&&this._$AE(s)}willUpdate(t){}_$AE(t){this._$EO?.forEach(t=>t.hostUpdated?.()),this.hasUpdated||(this.hasUpdated=!0,this.firstUpdated(t)),this.updated(t)}_$EM(){this._$AL=new Map,this.isUpdatePending=!1}get updateComplete(){return this.getUpdateComplete()}getUpdateComplete(){return this._$ES}shouldUpdate(t){return!0}update(t){this._$Eq&&=this._$Eq.forEach(t=>this._$ET(t,this[t])),this._$EM()}updated(t){}firstUpdated(t){}};kt.elementStyles=[],kt.shadowRootOptions={mode:"open"},kt[Ct("elementProperties")]=new Map,kt[Ct("finalized")]=new Map,$t?.({ReactiveElement:kt}),(St.reactiveElementVersions??=[]).push("2.1.1"); /** * @license * Copyright 2017 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Processing stopped.`;throw console.error(s),new Error(s)}return n}(we);return{statusPanelContainer:ye(fe,pe),titleSelector:ye(be,ge),instructorHash:ye(ve,me),dbName:t}}async function xe(t){const s=(new TextEncoder).encode(t),n=await crypto.subtle.digest("SHA-256",s);return Array.from(new Uint8Array(n)).map(t=>t.toString(16).padStart(2,"0")).join("")}function Ee(t){return`${u.PIN_ATTEMPTS}:${t}`}function $e(t){const s=Ee(t),n=sessionStorage.getItem(s);if(!n)return null;try{return JSON.parse(n)}catch{return null}}function Ie(t){const s=$e(t);if(!s||!s.lockoutUntil)return{isLocked:!1,remainingMs:0};const n=new Date(s.lockoutUntil).getTime(),o=Date.now();return n>o?{isLocked:!0,remainingMs:n-o}:(Ce(t),{isLocked:!1,remainingMs:0})}function Ce(t){const n=$e(t);n&&n.attempts>0&&(n.attempts,s(t));const o=Ee(t);sessionStorage.removeItem(o)}var Ae=Object.getOwnPropertyDescriptor;let qe=class extends ie{render(){return Jt` + */const pe=".wh_top_menu_and_indexterms_link",ge=".wh_publication_title .title",me="",fe="qd-status-container",be="qd-title-selector",ye="qd-instructor-hash",ve="qd-db-name";function we(t,s){const n=document.querySelector(`#${t}`);if(!n)return s;const o=n.textContent?.trim()||"";return""===o?(a(`Config element #${t} found but empty, using default: "${s}"`),s):o}function Se(){const t=function(t){const s=document.querySelector(`#${t}`);if(!s){const s=`FATAL: Required config element #${t} not found in DOM. 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Processing stopped.`;throw console.error(s),new Error(s)}return n}(ve);return{statusPanelContainer:we(fe,pe),titleSelector:we(be,ge),instructorHash:we(ye,me),dbName:t}}async function xe(t){const s=(new TextEncoder).encode(t),n=await crypto.subtle.digest("SHA-256",s);return Array.from(new Uint8Array(n)).map(t=>t.toString(16).padStart(2,"0")).join("")}function Ee(t){return`${u.PIN_ATTEMPTS}:${t}`}function $e(t){const s=Ee(t),n=sessionStorage.getItem(s);if(!n)return null;try{return JSON.parse(n)}catch{return null}}function Ce(t){const s=$e(t);if(!s||!s.lockoutUntil)return{isLocked:!1,remainingMs:0};const n=new Date(s.lockoutUntil).getTime(),o=Date.now();return n>o?{isLocked:!0,remainingMs:n-o}:(qe(t),{isLocked:!1,remainingMs:0})}function qe(t){const n=$e(t);n&&n.attempts>0&&(n.attempts,s(t));const o=Ee(t);sessionStorage.removeItem(o)}var Ie=Object.getOwnPropertyDescriptor;let Ae=class extends ie{render(){return Jt` i - `}};qe.styles=pt` + `}};Ae.styles=pt` :host { display: inline-block; position: relative; @@ -119,14 +119,9 @@ const ce=t=>(s,n)=>{void 0!==n?n.addInitializer(()=>{customElements.define(t,s)} display: block; line-height: 1.4; } - `,qe=((t,s,n,o)=>{for(var r,a=o>1?void 0:o?Ae(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=r(a)||a);return a})([ce("qd-build-info")],qe);var ke=Object.defineProperty,Te=Object.getOwnPropertyDescriptor,_e=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Te(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ke(s,n,a),a};let Oe=null,Pe=class extends ie{constructor(){super(...arguments),this.open=!1,this.closable=!0,this.previouslyFocused=null,this.handleKeyDown=t=>{"Escape"===t.key&&this.open&&this.closable&&(this.emitCloseEvent(),this.close())},this.handleBackdropClick=()=>{this.closable&&(this.emitCloseEvent(),this.close())},this.handleCloseClick=()=>{this.emitCloseEvent(),this.close()},this.stopPropagation=t=>{t.stopPropagation()}}connectedCallback(){super.connectedCallback(),document.addEventListener("keydown",this.handleKeyDown)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("keydown",this.handleKeyDown),Oe===this&&(Oe=null)}updated(t){t.has("open")&&(this.open?this.handleOpen():this.handleClose())}render(){return Jt` + `,Ae=((t,s,n,o)=>{for(var r,a=o>1?void 0:o?Ie(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=r(a)||a);return a})([ce("qd-build-info")],Ae);var ke=Object.defineProperty,Te=Object.getOwnPropertyDescriptor,Oe=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Te(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ke(s,n,a),a};const _e="__qdModalCurrentRef__";function Pe(){return globalThis[_e]??null}function Ne(t){globalThis[_e]=t}let Le=class extends ie{constructor(){super(...arguments),this.open=!1,this.closable=!0,this.previouslyFocused=null,this.originalParent=null,this.originalNextSibling=null,this.isInBody=!1,this.handleKeyDown=t=>{"Escape"===t.key&&this.open&&this.closable&&(this.emitCloseEvent(),this.close())},this.handleBackdropClick=()=>{this.closable&&(this.emitCloseEvent(),this.close())},this.handleCloseClick=()=>{this.emitCloseEvent(),this.close()},this.stopPropagation=t=>{t.stopPropagation()}}connectedCallback(){super.connectedCallback(),document.addEventListener("keydown",this.handleKeyDown)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("keydown",this.handleKeyDown),Pe()!==this||this.isInBody||Ne(null)}updated(t){t.has("open")&&(this.open?this.handleOpen():this.handleClose())}moveToBody(){this.isInBody||(this.originalParent=this.parentNode,this.originalNextSibling=this.nextSibling,this.isInBody=!0,document.body.appendChild(this))}restorePosition(){this.isInBody&&this.originalParent&&(this.originalNextSibling?this.originalParent.insertBefore(this,this.originalNextSibling):this.originalParent.appendChild(this),this.originalParent=null,this.originalNextSibling=null,this.isInBody=!1)}render(){return Jt`
                            - - `}show(){this.open=!0}close(){this.open=!1}handleOpen(){Oe&&Oe!==this&&Oe.close(),Oe=this,this.previouslyFocused=document.activeElement,requestAnimationFrame(()=>{this.focusFirstElement()})}handleClose(){Oe===this&&(Oe=null),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}focusFirstElement(){const t=this.shadowRoot?.querySelector(".content");if(!t)return;const s=this.shadowRoot?.querySelector("slot:not([name])");if(s){const t=s.assignedElements({flatten:!0});for(const s of t){const t=s.querySelector('button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])');if(t)return void t.focus();if(s instanceof HTMLElement&&s.matches('button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'))return void s.focus()}}}emitCloseEvent(){const t=new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0});this.dispatchEvent(t)}};Pe.styles=pt` + `}show(){this.open=!0}close(){this.open=!1}handleOpen(){const t=Pe();t&&t!==this&&t.close(),Ne(this),this.previouslyFocused=document.activeElement,this.moveToBody(),requestAnimationFrame(()=>{this.focusFirstElement()})}handleClose(){Pe()===this&&Ne(null),this.restorePosition(),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}focusFirstElement(){const t=this.shadowRoot?.querySelector(".content");if(!t)return;const s=this.shadowRoot?.querySelector("slot:not([name])");if(s){const t=s.assignedElements({flatten:!0});for(const s of t){const t=s.querySelector('button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])');if(t)return void t.focus();if(s instanceof HTMLElement&&s.matches('button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'))return void s.focus()}}const n=this.shadowRoot?.querySelector(".close-button");n&&n.focus()}emitCloseEvent(){const t=new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0});this.dispatchEvent(t)}};Le.styles=pt` :host { display: contents; } .backdrop { display: none; + } + + :host([open]) .backdrop { + display: flex; position: fixed; top: 0; left: 0; @@ -160,14 +159,13 @@ const ce=t=>(s,n)=>{void 0!==n?n.addInitializer(()=>{customElements.define(t,s)} align-items: center; justify-content: center; z-index: 99999; - font-family: system-ui, -apple-system, sans-serif; + font-family: + system-ui, + -apple-system, + sans-serif; animation: qd-modal-fadeIn 0.15s ease-out; } - :host([open]) .backdrop { - display: flex; - } - @keyframes qd-modal-fadeIn { from { opacity: 0; @@ -212,11 +210,6 @@ const ce=t=>(s,n)=>{void 0!==n?n.addInitializer(()=>{customElements.define(t,s)} margin: 0; } - /* Hide header when slot is empty and no close button needed */ - .header:not(:has(::slotted(*))) .header-title { - display: none; - } - .close-button { background: none; border: none; @@ -226,7 +219,9 @@ const ce=t=>(s,n)=>{void 0!==n?n.addInitializer(()=>{customElements.define(t,s)} color: #666; line-height: 1; border-radius: 4px; - transition: background-color 0.2s, color 0.2s; + transition: + background-color 0.2s, + color 0.2s; margin-left: auto; } @@ -243,48 +238,41 @@ const ce=t=>(s,n)=>{void 0!==n?n.addInitializer(()=>{customElements.define(t,s)} .body { padding: 20px; } - - .error-message { - color: #d32f2f; - font-size: 12px; - padding: 8px; - background: #ffebee; - border-radius: 4px; - border-left: 3px solid #d32f2f; - } - `,_e([ue({type:Boolean,reflect:!0})],Pe.prototype,"open",2),_e([ue({type:Boolean})],Pe.prototype,"closable",2),Pe=_e([ce("qd-modal")],Pe);var Ne=Object.defineProperty,Le=Object.getOwnPropertyDescriptor,De=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Le(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ne(s,n,a),a};let Re=class extends ie{constructor(){super(...arguments),this.open=!1,this.title="Enter Password",this.error="",this.password="",this.handleModalClose=()=>{this.close()},this.handleInput=t=>{const s=t.target;this.password=s.value,this.error&&(this.error="")},this.handleSubmit=t=>{t.preventDefault(),this.password.trim()&&this.dispatchEvent(new CustomEvent("qd:password-submit",{detail:{password:this.password},bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close()}}show(){this.open=!0,this.password="",this.error=""}close(){this.open=!1,this.password="",this.error="",this.dispatchEvent(new CustomEvent("close",{bubbles:!0,composed:!0}))}updated(t){t.has("open")&&this.open&&(this.password="",this.updateComplete.then(()=>{this.passwordInput?.focus()}))}render(){return this.open?Jt` + `,Oe([ue({type:Boolean,reflect:!0})],Le.prototype,"open",2),Oe([ue({type:Boolean})],Le.prototype,"closable",2),Le=Oe([ce("qd-modal")],Le);var De=Object.defineProperty,Re=Object.getOwnPropertyDescriptor,ze=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Re(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&De(s,n,a),a};let Me=class extends ie{constructor(){super(...arguments),this.open=!1,this.title="Enter Password",this.error="",this.password="",this.handleModalClose=()=>{this.close()},this.handleInput=t=>{const s=t.target;this.password=s.value,this.error&&(this.error="")},this.handleSubmit=t=>{t.preventDefault(),this.password.trim()&&this.dispatchEvent(new CustomEvent("qd:password-submit",{detail:{password:this.password},bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close()}}show(){this.open=!0,this.password="",this.error=""}close(){this.open=!1,this.password="",this.error="",this.dispatchEvent(new CustomEvent("close",{bubbles:!0,composed:!0}))}updated(t){t.has("open")&&this.open&&(this.password="",this.updateComplete.then(()=>{this.passwordInput?.focus()}))}render(){return Jt` ${this.title} -
                            -
                            - - -
                            + ${this.open?Jt` + +
                            + + +
                            - ${this.error?Jt`
                            ${this.error}
                            `:""} + ${this.error?Jt`
                            ${this.error}
                            `:""} -
                            - - -
                            -
                            +
                            + + +
                            + + `:Gt}                             - `:Gt}}; + `}}; /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause */ -var ze;Re.styles=pt` +var He;Me.styles=pt` :host { display: contents; } @@ -366,23 +354,23 @@ var ze;Re.styles=pt` button[type='button']:hover { background: #d0d0d0; } - `,De([ue({type:Boolean,reflect:!0})],Re.prototype,"open",2),De([ue({type:String})],Re.prototype,"title",2),De([ue({type:String})],Re.prototype,"error",2),De([he()],Re.prototype,"password",2),De([(ze='input[type="password"]',(t,s,n)=>((t,s,n)=>(n.configurable=!0,n.enumerable=!0,Reflect.decorate&&"object"!=typeof s&&Object.defineProperty(t,s,n),n))(t,s,{get(){return(t=>t.renderRoot?.querySelector(ze)??null)(this)}}))],Re.prototype,"passwordInput",2),Re=De([ce("qd-password-modal")],Re); + `,ze([ue({type:Boolean,reflect:!0})],Me.prototype,"open",2),ze([ue({type:String})],Me.prototype,"title",2),ze([ue({type:String})],Me.prototype,"error",2),ze([he()],Me.prototype,"password",2),ze([(He='input[type="password"]',(t,s,n)=>((t,s,n)=>(n.configurable=!0,n.enumerable=!0,Reflect.decorate&&"object"!=typeof s&&Object.defineProperty(t,s,n),n))(t,s,{get(){return(t=>t.renderRoot?.querySelector(He)??null)(this)}}))],Me.prototype,"passwordInput",2),Me=ze([ce("qd-password-modal")],Me); /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause */ -const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){this._$Ct=t,this._$AM=s,this._$Ci=n}_$AS(t,s){return this.update(t,s)}update(t,s){return this.render(...s)}} +const Ue=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){this._$Ct=t,this._$AM=s,this._$Ci=n}_$AS(t,s){return this.update(t,s)}update(t,s){return this.render(...s)}} /** * @license * Copyright 2017 Google LLC * SPDX-License-Identifier: BSD-3-Clause - */class e extends i{constructor(t){if(super(t),this.it=Gt,t.type!==Me)throw Error(this.constructor.directiveName+"() can only be used in child bindings")}render(t){if(t===Gt||null==t)return this._t=void 0,this.it=t;if(t===Yt)return t;if("string"!=typeof t)throw Error(this.constructor.directiveName+"() called with a non-string value");if(t===this.it)return this._t;this.it=t;const s=[t];return s.raw=s,this._t={_$litType$:this.constructor.resultType,strings:s,values:[]}}}e.directiveName="unsafeHTML",e.resultType=1;const He=(t=>(...s)=>({_$litDirective$:t,values:s}))(e);var Ue=Object.defineProperty,je=Object.getOwnPropertyDescriptor,Be=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?je(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ue(s,n,a),a};let Fe=class extends ie{constructor(){super(...arguments),this.open=!1,this.title="Confirm",this.message="",this.confirmText="Confirm",this.cancelText="Cancel",this.destructive=!1,this.handleModalClose=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))},this.handleConfirm=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:confirm",{bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))}}show(){this.open=!0}close(){this.open=!1}render(){return Jt` + */class e extends i{constructor(t){if(super(t),this.it=Gt,t.type!==Ue)throw Error(this.constructor.directiveName+"() can only be used in child bindings")}render(t){if(t===Gt||null==t)return this._t=void 0,this.it=t;if(t===Yt)return t;if("string"!=typeof t)throw Error(this.constructor.directiveName+"() called with a non-string value");if(t===this.it)return this._t;this.it=t;const s=[t];return s.raw=s,this._t={_$litType$:this.constructor.resultType,strings:s,values:[]}}}e.directiveName="unsafeHTML",e.resultType=1;const je=(t=>(...s)=>({_$litDirective$:t,values:s}))(e);var Be=Object.defineProperty,Fe=Object.getOwnPropertyDescriptor,Ve=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Fe(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Be(s,n,a),a};let Qe=class extends ie{constructor(){super(...arguments),this.open=!1,this.title="Confirm",this.message="",this.confirmText="Confirm",this.cancelText="Cancel",this.destructive=!1,this.handleModalClose=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))},this.handleConfirm=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:confirm",{bubbles:!0,composed:!0}))},this.handleCancel=()=>{this.close(),this.dispatchEvent(new CustomEvent("qd:cancel",{bubbles:!0,composed:!0}))}}show(){this.open=!0}close(){this.open=!1}render(){return Jt` ${this.title}
                            -
                            ${He(this.message)}
                            +
                            ${je(this.message)}
                             - `}};Fe.styles=pt` + `}};Qe.styles=pt` :host { display: contents; } @@ -455,9 +443,60 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ .confirm-btn.destructive:hover { background: #b71c1c; } - `,Be([ue({type:Boolean,reflect:!0})],Fe.prototype,"open",2),Be([ue({type:String})],Fe.prototype,"title",2),Be([ue({type:String})],Fe.prototype,"message",2),Be([ue({type:String})],Fe.prototype,"confirmText",2),Be([ue({type:String})],Fe.prototype,"cancelText",2),Be([ue({type:Boolean})],Fe.prototype,"destructive",2),Fe=Be([ce("qd-confirm-dialog")],Fe);var Ve=Object.defineProperty,Qe=Object.getOwnPropertyDescriptor,Ke=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Qe(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ve(s,n,a),a};let We=class extends ie{constructor(){super(...arguments),this.title="Sonar Quiz System",this.name="",this.serviceId="",this.showInstructorModal=!1,this.instructorError="",this.errorMessage="",this.isSubmitting=!1,this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.lockoutInterval=null,this.handleLogoutEvent=()=>{this.name="",this.serviceId="",this.errorMessage="",this.isSubmitting=!1,this.showInstructorModal=!1,this.instructorError="",this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null),this.updateVisibility()},this.handleInstructorPasswordSubmit=t=>{this.handleInstructorLogin(t.detail.password)},this.handleInstructorModalClose=()=>{this.showInstructorModal=!1,this.instructorError=""},this.handlePinConfirmationDismiss=()=>{this.showPinConfirmation=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility(),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:logout",this.handleLogoutEvent),this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null)}firstUpdated(){this.setAttribute("data-ready","")}updateVisibility(){$(u.SESSION)?this.removeAttribute("data-show"):this.setAttribute("data-show","")}render(){return Jt` + `,Ve([ue({type:Boolean,reflect:!0})],Qe.prototype,"open",2),Ve([ue({type:String})],Qe.prototype,"title",2),Ve([ue({type:String})],Qe.prototype,"message",2),Ve([ue({type:String})],Qe.prototype,"confirmText",2),Ve([ue({type:String})],Qe.prototype,"cancelText",2),Ve([ue({type:Boolean})],Qe.prototype,"destructive",2),Qe=Ve([ce("qd-confirm-dialog")],Qe);var Ke=Object.defineProperty,We=Object.getOwnPropertyDescriptor,Je=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?We(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ke(s,n,a),a};let Ye=class extends ie{constructor(){super(...arguments),this.panelType="login",this.handleClick=()=>{this.dispatchEvent(new CustomEvent("qd:help-open",{detail:{panelType:this.panelType},bubbles:!0,composed:!0}))}}render(){return Jt` + + `}};Ye.styles=pt` + :host { + display: inline-block; + } + + .help-icon { + display: inline-flex; + align-items: center; + justify-content: center; + width: 20px; + height: 20px; + border-radius: 50%; + background: #0066cc; + color: white; + font-size: 12px; + font-weight: bold; + font-family: system-ui, -apple-system, sans-serif; + cursor: pointer; + border: none; + padding: 0; + transition: background 0.15s ease; + } + + .help-icon:hover { + background: #0052a3; + } + + .help-icon:focus { + outline: 2px solid #0066cc; + outline-offset: 2px; + } + + .help-icon:active { + background: #004080; + } + `,Je([ue({type:String})],Ye.prototype,"panelType",2),Ye=Je([ce("qd-help-trigger")],Ye);var Ge=Object.defineProperty,Ze=Object.getOwnPropertyDescriptor,Xe=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Ze(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ge(s,n,a),a};let ts=class extends ie{constructor(){super(...arguments),this.portalElement=null,this.previouslyFocused=null,this.open=!1,this.title="Help",this.content="",this._isOpen=!1,this.handleKeyDown=t=>{"Escape"===t.key&&this._isOpen&&this.close()},this.handleBackdropClick=()=>{this.close()},this.handleCloseClick=()=>{this.close()},this.stopPropagation=t=>{t.stopPropagation()}}connectedCallback(){super.connectedCallback(),document.addEventListener("keydown",this.handleKeyDown),this.ensureStyles()}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("keydown",this.handleKeyDown),this.removePortal()}updated(t){t.has("open")&&(this.open&&!this._isOpen?this.handleOpen():!this.open&&this._isOpen&&this.handleClose())}ensureStyles(){ts.styleElement||(ts.styleElement=document.createElement("style"),ts.styleElement.textContent="\n.qd-help-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:99999;font-family:system-ui,-apple-system,sans-serif}\n.qd-help-content{background:#fff;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.3);max-width:450px;max-height:80vh;overflow:auto}\n.qd-help-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #eee}\n.qd-help-title{font-weight:600;font-size:18px;color:#333;margin:0}\n.qd-help-close{background:none;border:none;font-size:24px;color:#666;cursor:pointer;padding:0;line-height:1;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:4px}\n.qd-help-close:hover{background:#f0f0f0;color:#333}\n.qd-help-close:focus{outline:2px solid #0066cc;outline-offset:2px}\n.qd-help-body{padding:20px;line-height:1.6;color:#444}\n.qd-help-body h3{margin-top:0;margin-bottom:12px;color:#333;font-size:16px}\n.qd-help-body p{margin:0 0 12px 0}\n.qd-help-body p:last-child{margin-bottom:0}\n.qd-help-body strong{color:#333}",document.head.appendChild(ts.styleElement))}createPortal(){this.removePortal(),this.portalElement=document.createElement("div"),this.portalElement.className="qd-help-backdrop",this.portalElement.addEventListener("click",this.handleBackdropClick);const t=document.createElement("div");t.className="qd-help-content",t.setAttribute("role","dialog"),t.setAttribute("aria-modal","true"),t.setAttribute("aria-labelledby","qd-help-title"),t.addEventListener("click",this.stopPropagation);const s=document.createElement("div");s.className="qd-help-header";const n=document.createElement("h2");n.className="qd-help-title",n.id="qd-help-title",n.textContent=this.title;const o=document.createElement("button");o.className="qd-help-close",o.setAttribute("aria-label","Close"),o.innerHTML="×",o.addEventListener("click",this.handleCloseClick),s.appendChild(n),s.appendChild(o);const r=document.createElement("div");r.className="qd-help-body",r.innerHTML=this.content,t.appendChild(s),t.appendChild(r),this.portalElement.appendChild(t),document.body.appendChild(this.portalElement),requestAnimationFrame(()=>{o.focus()})}removePortal(){this.portalElement&&(this.portalElement.remove(),this.portalElement=null)}handleOpen(){this._isOpen=!0,this.previouslyFocused=document.activeElement,this.createPortal()}handleClose(){this._isOpen=!1,this.removePortal(),this.previouslyFocused instanceof HTMLElement&&this.previouslyFocused.focus()}close(){this.open=!1,this.dispatchEvent(new CustomEvent("qd:modal-close",{bubbles:!0,composed:!0}))}render(){return Gt}};ts.styleElement=null,Xe([ue({type:Boolean,reflect:!0})],ts.prototype,"open",2),Xe([ue({type:String})],ts.prototype,"title",2),Xe([ue({type:String})],ts.prototype,"content",2),Xe([he()],ts.prototype,"_isOpen",2),ts=Xe([ce("qd-help-popup")],ts);const es={login:{title:"Login Help",body:'

                            Enter Name and Service ID to log in. Provide a new PIN if this is your first visit to this release of this document, otherwise use the PIN you previously created. Your instructor is able to reset PINs. See the Feedback page for more support.

                            Instructors: click "Instructor" for instructor login page (password accompanies distribution).

                            '},status:{title:"Student View",body:'

                            Page color coding:

                            • Green=All correct
                            • Amber=Some answered
                            • Red=None yet

                            You can view your overall progress at attempted questions in the Test Progress panel.

                            '},instructor:{title:"Instructor Tools",body:"

                            • Show current answers: Toggle for display of student answers for the current page.
                            • View All Scores: View table scores for all students.
                            • Reset PIN: Reset student PINs.
                            • Export CSV: CSV download of all scores/answers.
                            • Erase All Data: Clear all stored student data.

                            "}};function ss(t){return es[t]}var ns=Object.defineProperty,os=Object.getOwnPropertyDescriptor,rs=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?os(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ns(s,n,a),a};let is=class extends ie{constructor(){super(...arguments),this.title="Sonar Quiz System",this.name="",this.serviceId="",this.showInstructorModal=!1,this.instructorError="",this.errorMessage="",this.isSubmitting=!1,this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval=null,this.handleLogoutEvent=()=>{this.name="",this.serviceId="",this.errorMessage="",this.isSubmitting=!1,this.showInstructorModal=!1,this.instructorError="",this.pin="",this.lockoutSeconds=0,this.showPinConfirmation=!1,this.helpOpen=!1,this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null),this.updateVisibility()},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1},this.handleInstructorPasswordSubmit=t=>{this.handleInstructorLogin(t.detail.password)},this.handleInstructorModalClose=()=>{this.showInstructorModal=!1,this.instructorError=""},this.handlePinConfirmationDismiss=()=>{this.showPinConfirmation=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility(),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:logout",this.handleLogoutEvent),this.lockoutInterval&&(clearInterval(this.lockoutInterval),this.lockoutInterval=null)}firstUpdated(){this.setAttribute("data-ready","")}updateVisibility(){$(u.SESSION)?this.removeAttribute("data-show"):this.setAttribute("data-show","")}render(){return Jt`
                            - `}loadCache(){const t=$(u.SESSION);t?(this.name=t.name||"",this.serviceId=t.serviceId||""):(this.name="",this.serviceId="");const s=$(u.CACHE);if(!s)return this.total=0,this.correct=0,this.percentage=0,void(this.statusColor="red");this.total=s.totals.total,this.correct=s.totals.correct,this.percentage=this.calculatePercentage(s.totals.total,s.totals.correct),this.statusColor=this.calculateStatusColor(s.totals.total,s.totals.correct)}calculatePercentage(t,s){return 0===t?0:Math.round(s/t*100)}calculateStatusColor(t,s){return function(t,s){return 0===t||0===s?"red":s===t?"green":"amber"}(t,s)}updateVisibility(){const t=$(u.SESSION),s="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&!s?this.setAttribute("data-show",""):this.removeAttribute("data-show")}handleLogout(){const t=$(u.SESSION);(new SessionService).clearSession();const s=new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0});this.dispatchEvent(s)}};Ze.styles=pt` + + `}loadCache(){const t=$(u.SESSION);t?(this.name=t.name||"",this.serviceId=t.serviceId||""):(this.name="",this.serviceId="");const s=$(u.CACHE);if(!s)return this.total=0,this.correct=0,this.percentage=0,void(this.statusColor="red");this.total=s.totals.total,this.correct=s.totals.correct,this.percentage=this.calculatePercentage(s.totals.total,s.totals.correct),this.statusColor=this.calculateStatusColor(s.totals.total,s.totals.correct)}calculatePercentage(t,s){return 0===t?0:Math.round(s/t*100)}calculateStatusColor(t,s){return function(t,s){return 0===t||0===s?"red":s===t?"green":"amber"}(t,s)}updateVisibility(){const t=$(u.SESSION),s="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&!s?this.setAttribute("data-show",""):this.removeAttribute("data-show")}handleLogout(){const t=$(u.SESSION);(new SessionService).clearSession();const s=new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0});this.dispatchEvent(s)}};ls.styles=pt` :host { display: none; /* Hidden by default, shown when logged in */ font-family: @@ -781,7 +834,7 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ .logout-button:hover { background: #b71c1c; } - `,Ge([he()],Ze.prototype,"total",2),Ge([he()],Ze.prototype,"correct",2),Ge([he()],Ze.prototype,"percentage",2),Ge([he()],Ze.prototype,"statusColor",2),Ge([he()],Ze.prototype,"name",2),Ge([he()],Ze.prototype,"serviceId",2),Ze=Ge([ce("qd-status")],Ze);const Xe=pt` + `,ds([he()],ls.prototype,"total",2),ds([he()],ls.prototype,"correct",2),ds([he()],ls.prototype,"percentage",2),ds([he()],ls.prototype,"statusColor",2),ds([he()],ls.prototype,"name",2),ds([he()],ls.prototype,"serviceId",2),ds([he()],ls.prototype,"helpOpen",2),ls=ds([ce("qd-status")],ls);const us=pt` :host { display: inline-block; font-family: @@ -1023,7 +1076,7 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ .close-button:hover { color: #000; } -`;class RateLimiter{constructor(){this.failureCount=0,this.lockoutUntil=null}attempt(){return!(this.lockoutUntil&&Date.now()=this.lockoutUntil&&(this.lockoutUntil=null),!0)}recordFailure(){this.failureCount++;const t=[2e3,4e3,8e3,16e3,3e4],s=t[Math.min(this.failureCount-1,t.length-1)]??3e4;this.lockoutUntil=Date.now()+s}reset(){this.failureCount=0,this.lockoutUntil=null}getRemainingSeconds(){if(!this.lockoutUntil)return 0;const t=Math.max(0,this.lockoutUntil-Date.now());return Math.ceil(t/1e3)}isLockedOut(){return null!==this.lockoutUntil&&Date.now(){for(var r,a=o>1?void 0:o?ss(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&es(s,n,a),a};let os=class extends ie{constructor(){super(...arguments),this.password="",this.error="",this.remainingSeconds=0,this.rateLimiter=new RateLimiter,this.handlePasswordInput=t=>{const s=t.target;this.password=s.value,this.error=""},this.handleSubmit=async t=>{t.preventDefault();if(!this.rateLimiter.attempt())return this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),this.startCountdown(),void(this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`);try{const t=function(){const t=document.getElementById(ts);if(!t){const t=`Instructor password hash not found. Expected element with id="${ts}". Check Oxygen XSL transform configuration.`;throw r(t),new Error(t)}const s=t.textContent?.trim();if(!s){const t="Instructor password hash element is empty. Check Oxygen parameter configuration.";throw r(t),new Error(t)}if(!/^[a-f0-9]{64}$/i.test(s)){const t=`Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${s.substring(0,20)}...`;throw r(t),new Error(t)}return s.toLowerCase()}(),s=(new TextEncoder).encode(this.password),n=await crypto.subtle.digest("SHA-256",s),o=Array.from(new Uint8Array(n)).map(t=>t.toString(16).padStart(2,"0")).join(""),a=await async function(t,s){if(t.length!==s.length)return!1;if(0===t.length)return!0;const n=new TextEncoder,o=n.encode(t),r=n.encode(s);try{const t=await crypto.subtle.importKey("raw",o,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),s=await crypto.subtle.sign("HMAC",t,r),n=await crypto.subtle.importKey("raw",r,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),a=await crypto.subtle.sign("HMAC",n,o);if(s.byteLength!==a.byteLength)return!1;const c=new Uint8Array(s),d=new Uint8Array(a);let l=0;for(let o=0;o{this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),0===this.remainingSeconds?(this.countdownInterval&&(window.clearInterval(this.countdownInterval),this.countdownInterval=void 0),this.error=""):this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`},1e3)}render(){const t=this.remainingSeconds>0;return Jt` +`;class RateLimiter{constructor(){this.failureCount=0,this.lockoutUntil=null}attempt(){return!(this.lockoutUntil&&Date.now()=this.lockoutUntil&&(this.lockoutUntil=null),!0)}recordFailure(){this.failureCount++;const t=[2e3,4e3,8e3,16e3,3e4],s=t[Math.min(this.failureCount-1,t.length-1)]??3e4;this.lockoutUntil=Date.now()+s}reset(){this.failureCount=0,this.lockoutUntil=null}getRemainingSeconds(){if(!this.lockoutUntil)return 0;const t=Math.max(0,this.lockoutUntil-Date.now());return Math.ceil(t/1e3)}isLockedOut(){return null!==this.lockoutUntil&&Date.now(){for(var r,a=o>1?void 0:o?gs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ps(s,n,a),a};let fs=class extends ie{constructor(){super(...arguments),this.password="",this.error="",this.remainingSeconds=0,this.rateLimiter=new RateLimiter,this.handlePasswordInput=t=>{const s=t.target;this.password=s.value,this.error=""},this.handleSubmit=async t=>{t.preventDefault();if(!this.rateLimiter.attempt())return this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),this.startCountdown(),void(this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`);try{const t=function(){const t=document.getElementById(hs);if(!t){const t=`Instructor password hash not found. Expected element with id="${hs}". Check Oxygen XSL transform configuration.`;throw r(t),new Error(t)}const s=t.textContent?.trim();if(!s){const t="Instructor password hash element is empty. Check Oxygen parameter configuration.";throw r(t),new Error(t)}if(!/^[a-f0-9]{64}$/i.test(s)){const t=`Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${s.substring(0,20)}...`;throw r(t),new Error(t)}return s.toLowerCase()}(),s=(new TextEncoder).encode(this.password),n=await crypto.subtle.digest("SHA-256",s),o=Array.from(new Uint8Array(n)).map(t=>t.toString(16).padStart(2,"0")).join(""),a=await async function(t,s){if(t.length!==s.length)return!1;if(0===t.length)return!0;const n=new TextEncoder,o=n.encode(t),r=n.encode(s);try{const t=await crypto.subtle.importKey("raw",o,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),s=await crypto.subtle.sign("HMAC",t,r),n=await crypto.subtle.importKey("raw",r,{name:"HMAC",hash:"SHA-256"},!1,["sign"]),a=await crypto.subtle.sign("HMAC",n,o);if(s.byteLength!==a.byteLength)return!1;const c=new Uint8Array(s),d=new Uint8Array(a);let l=0;for(let o=0;o{this.remainingSeconds=this.rateLimiter.getRemainingSeconds(),0===this.remainingSeconds?(this.countdownInterval&&(window.clearInterval(this.countdownInterval),this.countdownInterval=void 0),this.error=""):this.error=`Too many attempts. Try again in ${this.remainingSeconds}s`},1e3)}render(){const t=this.remainingSeconds>0;return Jt`

                            Instructor Access

                            Enter the instructor password to unlock administrative features.

                            @@ -1049,9 +1102,94 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){
                            - `}};os.styles=Xe,ns([he()],os.prototype,"password",2),ns([he()],os.prototype,"error",2),ns([he()],os.prototype,"remainingSeconds",2),os=ns([ce("qd-instructor-unlock")],os);var rs=Object.defineProperty,is=Object.getOwnPropertyDescriptor,as=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?is(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&rs(s,n,a),a};let cs=class extends ie{constructor(){super(...arguments),this.open=!1,this.students=[],this.expandedStudents=new Set,this.handleModalClose=()=>{this.open=!1,this.dispatchEvent(new CustomEvent("close"))}}updated(t){t.has("open")&&this.open&&(this.expandedStudents=new Set(this.students.map(t=>t.serviceId)))}render(){return Jt` + `}};fs.styles=us,ms([he()],fs.prototype,"password",2),ms([he()],fs.prototype,"error",2),ms([he()],fs.prototype,"remainingSeconds",2),fs=ms([ce("qd-instructor-unlock")],fs);var bs=Object.defineProperty,ys=Object.getOwnPropertyDescriptor,vs=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?ys(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&bs(s,n,a),a};let ws=class extends ie{constructor(){super(...arguments),this.open=!1,this.students=[],this.handleModalClose=()=>{this.open=!1,this.dispatchEvent(new CustomEvent("close"))}}render(){return Jt` Student Scores +
                            ${0===this.students.length?Jt`

                            No student data available.

                            `:this.renderScoresTable()}
                            @@ -1062,43 +1200,33 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ Student Service ID - Attempted - Correct - Percentage + Score + Answers ${t.map(t=>this.renderStudentRow(t))} - `}renderStudentRow(t){const s=this.calculateSummary(t),n=this.expandedStudents.has(t.serviceId);return Jt` - this.toggleStudent(t.serviceId)}> - - ${n?"▼":"▶"} - ${s.name} - + `}renderStudentRow(t){const s=this.calculateSummary(t),n=Object.entries(t.pages);return Jt` + + ${s.name} ${s.serviceId} - ${s.attempted} - 0?"correct-highlight":""} - > - ${s.correct} + + ${s.correct}/${s.attempted} (${s.percentage}%) - ${s.percentage}% - - ${n?this.renderDetailRow(t):Gt} - `}renderDetailRow(t){const s=Object.entries(t.pages);return Jt` - - - ${0===s.length?Jt`No quiz pages attempted`:Jt` -
                            - ${s.map(([t,s])=>Jt` + + ${0===n.length?Jt`—`:Jt` +
                            + ${n.map(([t,s])=>Jt`
                            ${t} -
                            +
                            ${s.answers.map((t,s)=>Jt` - - Q${s+1}: ${t?t.answer:"—"} + + Q${s+1}: ${t?.answer??"—"} `)}
                            @@ -1108,133 +1236,17 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ `} - `}calculateSummary(t){const s=t.attempted>0?Math.round(t.correct/t.attempted*100):0;return{serviceId:t.serviceId,name:t.name,attempted:t.attempted,correct:t.correct,percentage:s}}getPercentageClass(t){return 100===t?"correct-highlight":0===t?"incorrect-highlight":""}getAnswerClass(t){return t?t.success?"correct":"incorrect":"unanswered"}toggleStudent(t){const s=new Set(this.expandedStudents);s.has(t)?s.delete(t):s.add(t),this.expandedStudents=s}show(){this.open=!0}close(){this.open=!1}};cs.styles=pt` + `}getScoreClass(t){return 0===t.attempted?"":100===t.percentage?"score-perfect":0===t.percentage?"score-zero":""}calculateSummary(t){const s=t.attempted>0?Math.round(t.correct/t.attempted*100):0;return{serviceId:t.serviceId,name:t.name,attempted:t.attempted,correct:t.correct,percentage:s}}show(){this.open=!0}close(){this.open=!1}};ws.styles=pt` :host { display: contents; } - - .scores-content { - min-width: 600px; - max-width: 800px; - } - - .empty-message { - color: #666; - padding: 20px; - text-align: center; - } - - table { - width: 100%; - border-collapse: collapse; - } - - thead th { - padding: 8px; - text-align: left; - border-bottom: 1px solid #ddd; - background: #f5f5f5; - font-weight: 600; - } - - .student-row { - cursor: pointer; - } - - .student-row:hover { - background: #f9f9f9; - } - - .student-row td { - padding: 8px; - border-bottom: 1px solid #eee; - } - - .expand-icon { - display: inline-block; - width: 16px; - margin-right: 4px; - text-align: center; - } - - .correct-highlight { - color: #28a745; - } - - .incorrect-highlight { - color: #dc3545; - } - - .detail-row { - background: #f9f9f9; - } - - .detail-row td { - padding: 8px 8px 8px 40px; - border-bottom: 1px solid #eee; - } - - .page-breakdown { - display: flex; - flex-direction: column; - gap: 6px; - } - - .page-row { - display: flex; - align-items: center; - gap: 12px; - } - - .page-name { - font-weight: 600; - min-width: 120px; - flex-shrink: 0; - } - - .answers-list { - display: flex; - flex-wrap: wrap; - gap: 4px; - flex: 1; - } - - .answer-badge { - display: inline-block; - padding: 2px 6px; - border-radius: 3px; - font-size: 11px; - font-weight: 500; - } - - .answer-badge.correct { - background: #d4edda; - color: #155724; - border: 1px solid #c3e6cb; - } - - .answer-badge.incorrect { - background: #f8d7da; - color: #721c24; - border: 1px solid #f5c6cb; - } - - .answer-badge.unanswered { - background: #e0e0e0; - color: #666; - } - - .no-pages { - color: #666; - font-style: italic; - } - `,as([ue({type:Boolean,reflect:!0})],cs.prototype,"open",2),as([ue({type:Array})],cs.prototype,"students",2),as([he()],cs.prototype,"expandedStudents",2),cs=as([ce("qd-scores-modal")],cs);var ds=Object.defineProperty,ls=Object.getOwnPropertyDescriptor,us=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?ls(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ds(s,n,a),a};let hs=class extends ie{constructor(){super(...arguments),this.students=[],this.showModal=!1,this.handleClose=()=>{this.dispatchEvent(new CustomEvent("close"))}}render(){return Jt` + `,vs([ue({type:Boolean,reflect:!0})],ws.prototype,"open",2),vs([ue({type:Array})],ws.prototype,"students",2),ws=vs([ce("qd-scores-modal")],ws);var Ss=Object.defineProperty,xs=Object.getOwnPropertyDescriptor,Es=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?xs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ss(s,n,a),a};let $s=class extends ie{constructor(){super(...arguments),this.students=[],this.showModal=!1,this.handleClose=()=>{this.dispatchEvent(new CustomEvent("close"))}}render(){return Jt` - `}};hs.styles=Xe,us([ue({type:Array})],hs.prototype,"students",2),us([ue({type:Boolean})],hs.prototype,"showModal",2),hs=us([ce("qd-instructor-scores")],hs);var ps=Object.defineProperty,gs=Object.getOwnPropertyDescriptor,ms=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?gs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ps(s,n,a),a};let fs=class extends ie{constructor(){super(...arguments),this.students=[],this.handleExport=()=>{const t=this.generateCSV(),s=new Blob([t],{type:"text/csv;charset=utf-8;"}),n=URL.createObjectURL(s),o=document.createElement("a");o.href=n;const r=(new Date).toISOString().replace(/[:.]/g,"-").slice(0,19);o.download=`quiz-data-${r}.csv`,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(n)}}escapeCSVField(t){const s=String(t);return s.includes(",")||s.includes('"')||s.includes("\n")?`"${s.replace(/"/g,'""')}"`:s}generateCSV(){const t=[];t.push("Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp");for(const s of this.students)for(const[n,o]of Object.entries(s.pages)){(o.answers||[]).forEach((o,r)=>{o&&t.push([this.escapeCSVField(s.serviceId),this.escapeCSVField(s.name),this.escapeCSVField(s.release),this.escapeCSVField(n),this.escapeCSVField(r),this.escapeCSVField(o.answer),this.escapeCSVField(o.success),this.escapeCSVField(o.timestamp)].join(","))})}return t.join("\n")}render(){const t=this.students.length>0&&this.students.some(t=>t.attempted>0),s=t?`Export ${this.students.length} student${1===this.students.length?"":"s"} to CSV`:this.students.length>0?"No answers to export (students have not answered any questions)":"No data to export";return Jt` + `}};$s.styles=us,Es([ue({type:Array})],$s.prototype,"students",2),Es([ue({type:Boolean})],$s.prototype,"showModal",2),$s=Es([ce("qd-instructor-scores")],$s);var Cs=Object.defineProperty,qs=Object.getOwnPropertyDescriptor,Is=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?qs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Cs(s,n,a),a};let As=class extends ie{constructor(){super(...arguments),this.students=[],this.handleExport=()=>{const t=this.generateCSV(),s=new Blob([t],{type:"text/csv;charset=utf-8;"}),n=URL.createObjectURL(s),o=document.createElement("a");o.href=n;const r=(new Date).toISOString().replace(/[:.]/g,"-").slice(0,19);o.download=`quiz-data-${r}.csv`,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(n)}}escapeCSVField(t){const s=String(t);return s.includes(",")||s.includes('"')||s.includes("\n")?`"${s.replace(/"/g,'""')}"`:s}generateCSV(){const t=[];t.push("Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp");for(const s of this.students)for(const[n,o]of Object.entries(s.pages)){(o.answers||[]).forEach((o,r)=>{o&&t.push([this.escapeCSVField(s.serviceId),this.escapeCSVField(s.name),this.escapeCSVField(s.release),this.escapeCSVField(n),this.escapeCSVField(r),this.escapeCSVField(o.answer),this.escapeCSVField(o.success),this.escapeCSVField(o.timestamp)].join(","))})}return t.join("\n")}render(){const t=this.students.length>0&&this.students.some(t=>t.attempted>0),s=t?`Export ${this.students.length} student${1===this.students.length?"":"s"} to CSV`:this.students.length>0?"No answers to export (students have not answered any questions)":"No data to export";return Jt` - `}};fs.styles=Xe,ms([ue({type:Array})],fs.prototype,"students",2),fs=ms([ce("qd-instructor-export")],fs);var bs=Object.defineProperty,vs=Object.getOwnPropertyDescriptor,ws=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?vs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&bs(s,n,a),a};let ys=class extends ie{constructor(){super(...arguments),this.showConfirmDialog=!1,this.confirmText="",this.error="",this.success="",this.modalContainer=null,this.handleClearRequest=()=>{this.showConfirmDialog=!0,this.confirmText="",this.error="",this.success=""},this.handleCancelClear=()=>{this.showConfirmDialog=!1,this.confirmText="",this.error=""},this.handleConfirmInput=t=>{const s=t.target;this.confirmText=s.value},this.handleConfirmClear=()=>{if("DELETE ALL DATA"===this.confirmText)try{A(),E(this,"qd:data-cleared",{}),this.success="All quiz data cleared successfully",this.showConfirmDialog=!1,this.confirmText="",this.error="",setTimeout(()=>{this.success=""},3e3)}catch{this.error="Failed to clear data"}else this.error="Confirmation text does not match"}}disconnectedCallback(){super.disconnectedCallback(),this.removeModalFromBody()}updated(t){super.updated(t),t.has("showConfirmDialog")&&(this.showConfirmDialog?this.renderModalToBody():this.removeModalFromBody()),this.showConfirmDialog&&(t.has("confirmText")||t.has("error"))&&this.renderModalToBody()}renderModalToBody(){this.modalContainer||(this.modalContainer=document.createElement("div"),this.modalContainer.className="qd-manage-modal-container",document.body.appendChild(this.modalContainer)),oe(this.renderConfirmDialog(),this.modalContainer)}removeModalFromBody(){this.modalContainer&&(this.modalContainer.remove(),this.modalContainer=null)}render(){return Jt` + `}};As.styles=us,Is([ue({type:Array})],As.prototype,"students",2),As=Is([ce("qd-instructor-export")],As);var ks=Object.defineProperty,Ts=Object.getOwnPropertyDescriptor,Os=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Ts(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&ks(s,n,a),a};let _s=class extends ie{constructor(){super(...arguments),this.showConfirmDialog=!1,this.confirmText="",this.error="",this.success="",this.modalContainer=null,this.handleClearRequest=()=>{this.showConfirmDialog=!0,this.confirmText="",this.error="",this.success=""},this.handleCancelClear=()=>{this.showConfirmDialog=!1,this.confirmText="",this.error=""},this.handleConfirmInput=t=>{const s=t.target;this.confirmText=s.value},this.handleConfirmClear=()=>{if("DELETE ALL DATA"===this.confirmText)try{q(),E(this,"qd:data-cleared",{}),this.success="All quiz data cleared successfully",this.showConfirmDialog=!1,this.confirmText="",this.error="",setTimeout(()=>{this.success=""},3e3)}catch{this.error="Failed to clear data"}else this.error="Confirmation text does not match"}}disconnectedCallback(){super.disconnectedCallback(),this.removeModalFromBody()}updated(t){super.updated(t),t.has("showConfirmDialog")&&(this.showConfirmDialog?this.renderModalToBody():this.removeModalFromBody()),this.showConfirmDialog&&(t.has("confirmText")||t.has("error"))&&this.renderModalToBody()}renderModalToBody(){this.modalContainer||(this.modalContainer=document.createElement("div"),this.modalContainer.className="qd-manage-modal-container",document.body.appendChild(this.modalContainer)),oe(this.renderConfirmDialog(),this.modalContainer)}removeModalFromBody(){this.modalContainer&&(this.modalContainer.remove(),this.modalContainer=null)}render(){return Jt`
                            - `}};ys.styles=Xe,ws([he()],ys.prototype,"showConfirmDialog",2),ws([he()],ys.prototype,"confirmText",2),ws([he()],ys.prototype,"error",2),ws([he()],ys.prototype,"success",2),ys=ws([ce("qd-instructor-manage")],ys);var Ss=Object.defineProperty,xs=Object.getOwnPropertyDescriptor,Es=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?xs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ss(s,n,a),a};let $s=class extends ie{constructor(){super(...arguments),this.students=[],this.open=!1,this.searchText="",this.confirmingStudent=null,this.confirmDialogOpen=!1,this.errorMessage="",this.handleModalClose=()=>{this.confirmDialogOpen||(this.close(),this.dispatchEvent(new CustomEvent("close")))},this.handleSearchInput=t=>{const s=t.target;this.searchText=s.value},this.handleResetClick=t=>{this.confirmingStudent=t,this.confirmDialogOpen=!0},this.handleConfirmReset=()=>{this.confirmingStudent&&this.executeReset(this.confirmingStudent)},this.handleCancelReset=()=>{this.confirmDialogOpen=!1,this.confirmingStudent=null}}set showModal(t){this.open=t}get showModal(){return this.open}get filteredStudents(){if(!this.searchText.trim())return this.students;const t=this.searchText.toLowerCase().trim();return this.students.filter(s=>s.name.toLowerCase().includes(t)||s.serviceId.toLowerCase().includes(t))}close(){this.open=!1,this.confirmingStudent=null,this.confirmDialogOpen=!1,this.searchText="",this.errorMessage=""}show(){this.open=!0}async executeReset(t){try{const n=document.getElementById(we);if(!n?.textContent?.trim())throw new Error(`Database name not configured. Add dbName to page.`);const o=U(n.textContent.trim());await o.init();const r=(s=t,{...s,pinHash:"",pinResetAt:(new Date).toISOString()});await o.saveStudent(r);const a={eventId:crypto.randomUUID(),serviceId:t.serviceId,resetBy:"instructor",resetAt:(new Date).toISOString(),release:t.release};await o.saveAuditEvent(a);const c=this.students.findIndex(s=>s.serviceId===t.serviceId);c>=0&&(this.students[c]=r,this.students=[...this.students]),this.dispatchEvent(new CustomEvent("qd:pin-reset",{detail:{serviceId:t.serviceId,resetBy:"instructor",timestamp:(new Date).toISOString()},bubbles:!0,composed:!0})),this.confirmDialogOpen=!1,this.confirmingStudent=null,this.errorMessage=""}catch(n){console.error("PIN reset error:",n),this.errorMessage="Failed to reset PIN. Please try again.",this.confirmDialogOpen=!1,this.confirmingStudent=null}var s}render(){if(!this.open)return Gt;const t=this.confirmingStudent,s=t?`Reset PIN for ${t.name} (${t.serviceId})?
                            They will need to create a new PIN on next login.`:"";return Jt` + `}};_s.styles=us,Os([he()],_s.prototype,"showConfirmDialog",2),Os([he()],_s.prototype,"confirmText",2),Os([he()],_s.prototype,"error",2),Os([he()],_s.prototype,"success",2),_s=Os([ce("qd-instructor-manage")],_s);var Ps=Object.defineProperty,Ns=Object.getOwnPropertyDescriptor,Ls=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Ns(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Ps(s,n,a),a};let Ds=class extends ie{constructor(){super(...arguments),this.students=[],this.open=!1,this.searchText="",this.confirmingStudent=null,this.confirmDialogOpen=!1,this.errorMessage="",this.handleModalClose=()=>{this.confirmDialogOpen||(this.close(),this.dispatchEvent(new CustomEvent("close")))},this.handleSearchInput=t=>{const s=t.target;this.searchText=s.value},this.handleResetClick=t=>{this.confirmingStudent=t,this.confirmDialogOpen=!0},this.handleConfirmReset=()=>{this.confirmingStudent&&this.executeReset(this.confirmingStudent)},this.handleCancelReset=()=>{this.confirmDialogOpen=!1,this.confirmingStudent=null}}set showModal(t){this.open=t}get showModal(){return this.open}get filteredStudents(){if(!this.searchText.trim())return this.students;const t=this.searchText.toLowerCase().trim();return this.students.filter(s=>s.name.toLowerCase().includes(t)||s.serviceId.toLowerCase().includes(t))}close(){this.open=!1,this.confirmingStudent=null,this.confirmDialogOpen=!1,this.searchText="",this.errorMessage=""}show(){this.open=!0}async executeReset(t){try{const n=document.getElementById(ve);if(!n?.textContent?.trim())throw new Error(`Database name not configured. Add dbName to page.`);const o=U(n.textContent.trim());await o.init();const r=(s=t,{...s,pinHash:"",pinResetAt:(new Date).toISOString()});await o.saveStudent(r);const a={eventId:crypto.randomUUID(),serviceId:t.serviceId,resetBy:"instructor",resetAt:(new Date).toISOString(),release:t.release};await o.saveAuditEvent(a);const c=this.students.findIndex(s=>s.serviceId===t.serviceId);c>=0&&(this.students[c]=r,this.students=[...this.students]),this.dispatchEvent(new CustomEvent("qd:pin-reset",{detail:{serviceId:t.serviceId,resetBy:"instructor",timestamp:(new Date).toISOString()},bubbles:!0,composed:!0})),this.confirmDialogOpen=!1,this.confirmingStudent=null,this.errorMessage=""}catch(n){console.error("PIN reset error:",n),this.errorMessage="Failed to reset PIN. Please try again.",this.confirmDialogOpen=!1,this.confirmingStudent=null}var s}render(){const t=this.confirmingStudent,s=t?`Reset PIN for ${t.name} (${t.serviceId})?
                            They will need to create a new PIN on next login.`:"";return Jt` Reset Student PIN -
                            - - -
                            - ${0===this.filteredStudents.length?Jt`
                            - ${this.searchText?"No matching students":"No students found"} -
                            `:this.filteredStudents.map(t=>Jt` -
                            -
                            -
                            ${t.name}
                            -
                            ID: ${t.serviceId}
                            -
                            - ${t.pinHash?"PIN set":"No PIN"} -
                            -
                            - -
                            - `)} -
                            + ${this.open?Jt` +
                            + + +
                            + ${0===this.filteredStudents.length?Jt`
                            + ${this.searchText?"No matching students":"No students found"} +
                            `:Jt` + + + + + + + + + + ${this.filteredStudents.map(t=>Jt` + + + + + + `)} + +
                            NameService IDReset PIN
                            ${t.name}${t.serviceId} + +
                            + `} +
                            - ${this.errorMessage?Jt`
                            ${this.errorMessage}
                            `:""} -
                            + ${this.errorMessage?Jt`
                            ${this.errorMessage}
                            `:""} +
                            + `:Gt}                             - `}};$s.styles=pt` + `}};Ds.styles=pt` :host { display: contents; } @@ -1402,45 +1426,44 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1); } - .student-list { + .student-table-container { max-height: 300px; overflow-y: auto; border: 1px solid #e0e0e0; border-radius: 4px; } - .student-item { - display: flex; - justify-content: space-between; - align-items: center; - padding: 8px 12px; - border-bottom: 1px solid #f0f0f0; - } - - .student-item:last-child { - border-bottom: none; + .student-table { + width: 100%; + border-collapse: collapse; + font-size: 12px; } - .student-name { - font-size: 12px; + .student-table th { + text-align: left; + padding: 8px 12px; + background: #f5f5f5; + border-bottom: 1px solid #e0e0e0; font-weight: 500; + position: sticky; + top: 0; } - .student-id { - font-size: 10px; - color: #666; + .student-table td { + padding: 6px 12px; + border-bottom: 1px solid #f0f0f0; } - .pin-status { - font-size: 10px; + .student-table tbody tr:nth-child(even) { + background: #f8f8f8; } - .pin-status.has-pin { - color: #4caf50; + .student-table tbody tr:hover { + background: #f0f0f0; } - .pin-status.no-pin { - color: #ff9800; + .student-table tr:last-child td { + border-bottom: none; } .reset-btn { @@ -1472,9 +1495,13 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ background: #ffebee; border-radius: 4px; } - `,Es([ue({type:Array})],$s.prototype,"students",2),Es([ue({type:Boolean,reflect:!0})],$s.prototype,"open",2),Es([he()],$s.prototype,"searchText",2),Es([he()],$s.prototype,"confirmingStudent",2),Es([he()],$s.prototype,"confirmDialogOpen",2),Es([he()],$s.prototype,"errorMessage",2),Es([ue({type:Boolean})],$s.prototype,"showModal",1),$s=Es([ce("qd-pin-reset-dialog")],$s);var Is=Object.defineProperty,Cs=Object.getOwnPropertyDescriptor,As=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?Cs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Is(s,n,a),a};let qs=class extends ie{constructor(){super(...arguments),this.unlocked=!1,this.showScores=!1,this.students=[],this.showStudentAnswers=!1,this.showPinReset=!1,this.handleLoginEvent=t=>{const s=t,n=s.detail?.role;this.updateVisibility(),"instructor"===n&&this.unlock()},this.handleLogoutEvent=()=>{this.updateVisibility(),this.lock()},this.handleResetPins=async()=>{const t=$(u.SESSION);if(t){try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}this.showPinReset=!0}},this.handleClosePinReset=()=>{this.showPinReset=!1},this.handlePinReset=()=>{this.dispatchEvent(new CustomEvent("qd:pin-reset",{bubbles:!0,composed:!0}))},this.handleUnlock=()=>{this.unlocked=!0,this.dispatchEvent(new CustomEvent("qd:instructor-unlock",{bubbles:!0,composed:!0}))},this.handleViewScores=async()=>{const t=$(u.SESSION);if(t){try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}this.showScores=!0}},this.handleCloseScores=()=>{this.showScores=!1},this.handleDataCleared=()=>{this.dispatchEvent(new CustomEvent("qd:data-cleared",{bubbles:!0,composed:!0})),this.students=[]},this.handleLogout=()=>{const t=$(u.SESSION);(new SessionService).clearSession(),this.dispatchEvent(new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0}))},this.handleToggleStudentAnswers=async t=>{const s=t.target;if(this.showStudentAnswers=s.checked,this.showStudentAnswers&&0===this.students.length){const t=$(u.SESSION);if(t)try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(o){console.error("Failed to load students for toggle:",o)}}const n=this.showStudentAnswers?"qd:instructor-show-answers":"qd:instructor-hide-answers";this.dispatchEvent(new CustomEvent(n,{bubbles:!0,composed:!0})),sessionStorage.setItem("qd/instructor/showAnswers",String(this.showStudentAnswers))}}connectedCallback(){super.connectedCallback(),this.updateVisibility();const t="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&this.unlock();const s=sessionStorage.getItem("qd/instructor/showAnswers");null!==s&&(this.showStudentAnswers="true"===s,this.showStudentAnswers&&t&&setTimeout(()=>{this.dispatchEvent(new CustomEvent("qd:instructor-show-answers",{bubbles:!0,composed:!0}))},100)),document.addEventListener("qd:login",this.handleLoginEvent),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:login",this.handleLoginEvent),document.removeEventListener("qd:logout",this.handleLogoutEvent)}updateVisibility(){"true"===sessionStorage.getItem(u.INSTRUCTOR)?this.setAttribute("data-show",""):this.removeAttribute("data-show")}setStudents(t){this.students=t}unlock(){this.unlocked=!0}lock(){this.unlocked=!1,this.showScores=!1,this.showPinReset=!1}render(){return this.unlocked?Jt` + `,Ls([ue({type:Array})],Ds.prototype,"students",2),Ls([ue({type:Boolean,reflect:!0})],Ds.prototype,"open",2),Ls([he()],Ds.prototype,"searchText",2),Ls([he()],Ds.prototype,"confirmingStudent",2),Ls([he()],Ds.prototype,"confirmDialogOpen",2),Ls([he()],Ds.prototype,"errorMessage",2),Ls([ue({type:Boolean})],Ds.prototype,"showModal",1),Ds=Ls([ce("qd-pin-reset-dialog")],Ds);var Rs=Object.defineProperty,zs=Object.getOwnPropertyDescriptor,Ms=(t,s,n,o)=>{for(var r,a=o>1?void 0:o?zs(s,n):s,c=t.length-1;c>=0;c--)(r=t[c])&&(a=(o?r(s,n,a):r(a))||a);return o&&a&&Rs(s,n,a),a};let Hs=class extends ie{constructor(){super(...arguments),this.unlocked=!1,this.showScores=!1,this.students=[],this.showStudentAnswers=!1,this.showPinReset=!1,this.helpOpen=!1,this.handleLoginEvent=t=>{const s=t,n=s.detail?.role;this.updateVisibility(),"instructor"===n&&(this.unlock(),this.loadStudents())},this.handleLogoutEvent=()=>{this.updateVisibility(),this.lock()},this.handleResetPins=async()=>{const t=$(u.SESSION);if(t){try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}this.showPinReset=!0}},this.handleClosePinReset=()=>{this.showPinReset=!1},this.handlePinReset=()=>{this.dispatchEvent(new CustomEvent("qd:pin-reset",{bubbles:!0,composed:!0}))},this.handleUnlock=()=>{this.unlocked=!0,this.dispatchEvent(new CustomEvent("qd:instructor-unlock",{bubbles:!0,composed:!0}))},this.handleViewScores=async()=>{const t=$(u.SESSION);if(t){try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}this.showScores=!0}},this.handleCloseScores=()=>{this.showScores=!1},this.handleDataCleared=()=>{this.dispatchEvent(new CustomEvent("qd:data-cleared",{bubbles:!0,composed:!0})),this.students=[]},this.handleLogout=()=>{const t=$(u.SESSION);(new SessionService).clearSession(),this.dispatchEvent(new CustomEvent("qd:logout",{detail:{serviceId:t?.serviceId||"unknown"},bubbles:!0,composed:!0}))},this.handleToggleStudentAnswers=async t=>{const s=t.target;if(this.showStudentAnswers=s.checked,this.showStudentAnswers&&0===this.students.length){const t=$(u.SESSION);if(t)try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(o){console.error("Failed to load students for toggle:",o)}}const n=this.showStudentAnswers?"qd:instructor-show-answers":"qd:instructor-hide-answers";this.dispatchEvent(new CustomEvent(n,{bubbles:!0,composed:!0})),sessionStorage.setItem("qd/instructor/showAnswers",String(this.showStudentAnswers))},this.handleHelpOpen=()=>{this.helpOpen=!0},this.handleHelpClose=()=>{this.helpOpen=!1}}connectedCallback(){super.connectedCallback(),this.updateVisibility();const t="true"===sessionStorage.getItem(u.INSTRUCTOR);t&&(this.unlock(),this.loadStudents());const s=sessionStorage.getItem("qd/instructor/showAnswers");null!==s&&(this.showStudentAnswers="true"===s,this.showStudentAnswers&&t&&setTimeout(()=>{this.dispatchEvent(new CustomEvent("qd:instructor-show-answers",{bubbles:!0,composed:!0}))},100)),document.addEventListener("qd:login",this.handleLoginEvent),document.addEventListener("qd:logout",this.handleLogoutEvent)}disconnectedCallback(){super.disconnectedCallback(),document.removeEventListener("qd:login",this.handleLoginEvent),document.removeEventListener("qd:logout",this.handleLogoutEvent)}updateVisibility(){"true"===sessionStorage.getItem(u.INSTRUCTOR)?this.setAttribute("data-show",""):this.removeAttribute("data-show")}setStudents(t){this.students=t}async loadStudents(){const t=$(u.SESSION);if(t)try{const s=V(),n=await s.getStudentsByRelease(t.release);this.students=n}catch(s){console.error("Failed to load students:",s),this.students=[]}}unlock(){this.unlocked=!0}lock(){this.unlocked=!1,this.showScores=!1,this.showPinReset=!1}render(){return this.unlocked?Jt`
                            -
                            Instructor Mode
                            +
                            + Instructor Mode + + +
                            @@ -1507,10 +1534,17 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ @close=${this.handleClosePinReset} @qd:pin-reset=${this.handlePinReset} > + +
                            `:Jt` - `}};qs.styles=[Xe,pt` + `}};Hs.styles=[us,pt` :host { display: none; /* Hidden by default, shown when instructor logged in */ } @@ -1518,5 +1552,5 @@ const Me=2;class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,s,n){ :host([data-show]) { display: block; } - `],As([he()],qs.prototype,"unlocked",2),As([he()],qs.prototype,"showScores",2),As([he()],qs.prototype,"students",2),As([he()],qs.prototype,"showStudentAnswers",2),As([he()],qs.prototype,"showPinReset",2),qs=As([ce("qd-instructor")],qs);const ks={statusPanel:".wh_top_menu_and_indexterms_link"};function Ts(t={}){const s=t.statusPanelContainer||ks.statusPanel;!function(t){const s=document.querySelector(t);if(!s)return null;const n=document.createElement("qd-login");s.appendChild(n)}(s),function(t){const s=document.querySelector(t);if(!s)return null;const n=document.createElement("qd-status");s.appendChild(n)}(s),function(t){const s=document.querySelector(t);if(!s)return null;const n=document.createElement("qd-instructor");s.appendChild(n)}(s)}const _s={red:"qd-badge-red",amber:"qd-badge-amber",green:"qd-badge-green"},Os={unstarted:"red",incomplete:"amber",complete:"green"};function Ps(t){const s=function(t,s){if(!t||!s?.pages)return"unstarted";const n=s.pages[t];return n?.state??"unstarted"}(t.getAttribute("data-page-id"),$(u.CACHE));!function(t,s){Object.values(_s).forEach(s=>{t.classList.remove(s)});const n=_s[Os[s]];t.classList.add(n)}(t,s)}function Ns(){const t=document.querySelectorAll(".quizPageBtn"),s=$(u.CACHE),n="true"===sessionStorage.getItem(u.INSTRUCTOR);if(!s||n)return t.forEach(t=>{Object.values(_s).forEach(s=>{t.classList.remove(s)})}),void t.length;t.forEach(t=>{Ps(t)}),t.length}function Ls(t){const s=t,{pageId:n}=s.detail,o=document.querySelector(`[data-page-id="${n}"]`);o&&o.classList.contains("quizPageBtn")&&Ps(o)}function Ds(){Ns()}function Rs(){const t=document.querySelectorAll(".quizPageBtn");t.forEach(t=>{Object.values(_s).forEach(s=>{t.classList.remove(s)})}),t.length}const zs={initialized:!1};async function Ms(t={}){if(zs.initialized)return void a("Bootstrap already initialized, skipping");if(function(){if(document.getElementById("qd-global-styles"))return;const t=document.createElement("style");t.id="qd-global-styles",t.textContent="\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: 1rem;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n ",document.head.appendChild(t)}(),!t.dbName){const t="FATAL: dbName not provided in bootstrap config. Processing stopped.";throw console.error(t),new Error(t)}const s=V(t.dbName);await s.init();const n=new EventCoordinator;n.initialize(),zs.eventCoordinator=n;const o=new SessionCoordinator;o.initialize(),zs.sessionCoordinator=o,Ts({statusPanelContainer:t.statusPanelContainer,dbName:t.dbName}),!1!==t.autoEnhanceQuizTables&&function(){const t=document.querySelectorAll("table.qd-quiz");if(0===t.length)return;t.length;for(const n of Array.from(t))try{K(n,{interactive:!1})}catch(s){a(`Failed to enhance quiz table: ${s.message}`)}t.length}(),!1!==t.autoEnhanceAnalysisTables&&function(){const t=document.querySelectorAll("table.qd-analysis");if(0===t.length)return;t.length;for(const n of Array.from(t))try{it(n,{interactive:!1})}catch(s){a(`Failed to enhance analysis table: ${s.message}`)}t.length}(),!1!==t.autoEnhanceHomeBadges&&function(){const t=document.querySelectorAll(".quizPageBtn");if(0===t.length)return;t.length;try{document.querySelectorAll(".quizPageBtn").forEach(t=>{const s=function(t){const s=t.getAttribute("href");return s&&s.substring(s.lastIndexOf("/")+1).replace(/\.html?$/i,"")||null}(t);s?(t.setAttribute("data-page-id",s),t.textContent?.trim()):t.getAttribute("href")}),Ns(),document.addEventListener("qd:state-changed",Ls),document.addEventListener("qd:cache-rebuild",Ds),document.addEventListener("qd:logout",Rs)}catch(s){a(`Failed to enhance home badges: ${s.message}`)}}(),await async function(){const t=$(u.SESSION);if(!t)return;if("true"===sessionStorage.getItem(u.INSTRUCTOR)){const t=window.location.pathname,s=t.substring(t.lastIndexOf("/")+1).replace(/\.html?$/i,"");return void document.querySelectorAll("table.qd-quiz").forEach(t=>{const n=G(t);if(!n)return;n.pageId=s;t.querySelectorAll("td:nth-child(2), th:nth-child(2)").forEach(t=>{t.classList.remove("qd-hidden")});t.querySelectorAll("tbody td:nth-child(2)").forEach((t,s)=>{const o=n.parsed.questions[s];o&&t instanceof HTMLTableCellElement&&(t.textContent=o.correctAnswer)});t.querySelectorAll("td:nth-child(3), th:nth-child(3)").forEach(t=>t.classList.remove("qd-hidden"));const o=()=>{Z(t,n)},r=()=>{X(t)};document.addEventListener("qd:instructor-show-answers",o),document.addEventListener("qd:instructor-hide-answers",r);"true"===sessionStorage.getItem("qd/instructor/showAnswers")&&o()})}t.serviceId;const s=V();let n=$(u.CACHE);if(!n)try{const o=await s.loadStudentRecord(t);n=s.buildCache(o),C(u.CACHE,n),n.totals.total}catch{a("Failed to rebuild cache from IndexedDB, using empty cache"),n={totals:{total:0,answered:0,correct:0},pages:{}},C(u.CACHE,n)}const o=window.location.pathname,r=o.substring(o.lastIndexOf("/")+1).replace(/\.html?$/i,"");if(!r)return;const c=document.querySelectorAll("table.qd-quiz");c.length>0&&(c.length,c.forEach(t=>{K(t,{interactive:!0,pageId:r})}));const d=document.querySelectorAll("table.qd-analysis");d.length>0&&(d.length,d.forEach(t=>{it(t,{interactive:!0,pageId:r})}))}(),zs.initialized=!0}if("undefined"!=typeof window){const t=()=>{const t=Se();Ms({dbName:t.dbName,statusPanelContainer:t.statusPanelContainer,autoEnhanceQuizTables:!0,autoEnhanceAnalysisTables:!0,autoEnhanceHomeBadges:!0}).catch(t=>{console.error("[FATAL] Bootstrap failed:",t)})};"loading"===document.readyState?document.addEventListener("DOMContentLoaded",()=>{t()}):t()}return t.BUILD_DATE="27/Nov/2025",t.DEFAULT_CONTAINERS=ks,t.Debouncer=Debouncer,t.SCHEMA_VERSION=2,t.SESSION_TIMEOUT_MS=l,t.STORAGE_KEYS=u,t.VERSION="0.1.0-phase3.1",t.bootstrap=Ms,t.calculateCompletionState=j,t.cleanup=function(){zs.initialized?(zs.eventCoordinator?.cleanup(),zs.sessionCoordinator?.cleanup(),zs.initialized=!1,zs.eventCoordinator=void 0,zs.sessionCoordinator=void 0):a("Bootstrap not initialized, nothing to cleanup")},t.clearQuizData=A,t.enhanceAnalysisTable=it,t.enhanceQuizTable=K,t.error=r,t.generateCellKey=st,t.generateTableId=et,t.getAnalysisTableMetadata=function(t){return rt.get(t)},t.getJSON=$,t.getQuizTableMetadata=G,t.info=o,t.injectComponents=Ts,t.isAnalysisTableEnhanced=function(t){return rt.has(t)},t.isCellEditable=nt,t.isInitialized=function(){return zs.initialized},t.isQuizTableEnhanced=function(t){return Q.has(t)},t.parseAnalysisTable=ot,t.parseQuizTable=c,t.setJSON=C,t.validateAnswer=d,t.warn=a,Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),t}({}); + `],Ms([he()],Hs.prototype,"unlocked",2),Ms([he()],Hs.prototype,"showScores",2),Ms([he()],Hs.prototype,"students",2),Ms([he()],Hs.prototype,"showStudentAnswers",2),Ms([he()],Hs.prototype,"showPinReset",2),Ms([he()],Hs.prototype,"helpOpen",2),Hs=Ms([ce("qd-instructor")],Hs);const Us={statusPanel:".wh_top_menu_and_indexterms_link"};function js(t={}){const s=t.statusPanelContainer||Us.statusPanel;!function(t){const s=document.querySelector(t);if(!s)return null;const n=document.createElement("qd-login");s.appendChild(n)}(s),function(t){const s=document.querySelector(t);if(!s)return null;const n=document.createElement("qd-status");s.appendChild(n)}(s),function(t){const s=document.querySelector(t);if(!s)return null;const n=document.createElement("qd-instructor");s.appendChild(n)}(s)}const Bs={red:"qd-badge-red",amber:"qd-badge-amber",green:"qd-badge-green"},Fs={unstarted:"red",incomplete:"amber",complete:"green"};function Vs(t){const s=function(t,s){if(!t||!s?.pages)return"unstarted";const n=s.pages[t];return n?.state??"unstarted"}(t.getAttribute("data-page-id"),$(u.CACHE));!function(t,s){Object.values(Bs).forEach(s=>{t.classList.remove(s)});const n=Bs[Fs[s]];t.classList.add(n)}(t,s)}function Qs(){const t=document.querySelectorAll(".quizPageBtn"),s=$(u.CACHE),n="true"===sessionStorage.getItem(u.INSTRUCTOR);if(!s||n)return t.forEach(t=>{Object.values(Bs).forEach(s=>{t.classList.remove(s)})}),void t.length;t.forEach(t=>{Vs(t)}),t.length}function Ks(t){const s=t,{pageId:n}=s.detail,o=document.querySelector(`[data-page-id="${n}"]`);o&&o.classList.contains("quizPageBtn")&&Vs(o)}function Ws(){Qs()}function Js(){const t=document.querySelectorAll(".quizPageBtn");t.forEach(t=>{Object.values(Bs).forEach(s=>{t.classList.remove(s)})}),t.length}const Ys={initialized:!1};async function Gs(t={}){if(Ys.initialized)return void a("Bootstrap already initialized, skipping");if(function(){if(document.getElementById("qd-global-styles"))return;const t=document.createElement("style");t.id="qd-global-styles",t.textContent="\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: inherit;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Ensure select elements inherit font properly */\n .qd-quiz-interactive select.qd-quiz-input {\n font-family: inherit;\n font-size: inherit;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n\n /* Modal error message styles (needed because qd-modal moves to body) */\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n ",document.head.appendChild(t)}(),!t.dbName){const t="FATAL: dbName not provided in bootstrap config. 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//# sourceMappingURL=sonar-quiz.iife.js.map diff --git a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map index 0df198a..dc31883 100644 --- a/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map +++ b/dita-demo/oxygen-webhelp/template/resources/sonar-quiz.iife.js.map @@ -1 +1 @@ -{"version":3,"file":"sonar-quiz.iife.js","sources":["../src/utils/logger.ts","../src/services/quiz-parser.ts","../src/types/contracts.ts","../src/services/session.ts","../src/utils/calculation-helpers.ts","../src/utils/date-helpers.ts","../src/utils/debouncer.ts","../src/utils/dom-helpers.ts","../src/utils/event-helpers.ts","../src/utils/storage-helpers.ts","../src/services/storage/adapter-utils.ts","../src/services/storage/indexeddb.ts","../src/services/state-calculator.ts","../src/services/storage-service.ts","../src/enhancers/quiz-table.ts","../src/services/question-input.ts","../src/services/answer-display.ts","../src/services/analysis-parser.ts","../src/enhancers/analysis-table.ts","../src/init/event-coordinator.ts","../src/init/session-coordinator.ts","../node_modules/@lit/reactive-element/css-tag.js","../node_modules/@lit/reactive-element/reactive-element.js","../node_modules/lit-html/lit-html.js","../node_modules/lit-element/lit-element.js","../node_modules/@lit/reactive-element/decorators/custom-element.js","../node_modules/@lit/reactive-element/decorators/property.js","../node_modules/@lit/reactive-element/decorators/state.js","../src/config/dom-config-reader.ts","../src/services/auth/pin-service.ts","../src/services/auth/rate-limiter.ts","../src/components/qd-build-info.ts","../src/components/qd-modal.ts","../src/components/qd-password-modal.ts","../node_modules/@lit/reactive-element/decorators/query.js","../node_modules/@lit/reactive-element/decorators/base.js","../node_modules/lit-html/directive.js","../node_modules/lit-html/directives/unsafe-html.js","../src/components/qd-confirm-dialog.ts","../src/components/qd-login.ts","../src/utils/validation-helpers.ts","../src/services/storage/migration.ts","../src/components/qd-status.ts","../src/components/qd-instructor/shared-styles.ts","../src/utils/security.ts","../src/config/instructor-password.ts","../src/components/qd-instructor/qd-instructor-unlock.ts","../src/components/qd-scores-modal.ts","../src/components/qd-instructor/qd-instructor-scores.ts","../src/components/qd-instructor/qd-instructor-export.ts","../src/components/qd-instructor/qd-instructor-manage.ts","../src/components/qd-pin-reset-dialog.ts","../src/components/qd-instructor/qd-instructor.ts","../src/init/component-injector.ts","../src/enhancers/home-badges.ts","../src/init/bootstrap.ts","../src/index.ts"],"sourcesContent":["/**\n * Structured logging with sanitization\n *\n * Provides debug/info/error logging with automatic sanitization of sensitive data.\n * Debug logs are controlled by a runtime flag to prevent production leakage.\n */\n\nimport type { ServiceId } from '../types/contracts.js';\n\n/**\n * Debug mode flag\n *\n * Set to true for development logging, false for production.\n * Can be controlled via data-debug attribute on script tag.\n */\nlet debugEnabled = false;\n\n/**\n * Enable or disable debug logging\n *\n * @param enabled - Whether to enable debug logs\n */\nexport function setDebugMode(enabled: boolean): void {\n debugEnabled = enabled;\n}\n\n/**\n * Check if debug mode is enabled\n */\nexport function isDebugEnabled(): boolean {\n return debugEnabled;\n}\n\n/**\n * Mask sensitive service ID\n *\n * Replaces middle characters with asterisks for privacy.\n *\n * @param serviceId - Service ID to mask\n * @returns Masked service ID (e.g., \"RN2344\" → \"RN****\")\n *\n * @example\n * ```typescript\n * const masked = maskServiceId('RN2344');\n * console.log(masked); // \"RN****\"\n * ```\n */\nexport function maskServiceId(serviceId: ServiceId): string {\n if (serviceId.length < 2) {\n return '**';\n }\n if (serviceId.length === 2) {\n return serviceId; // Keep 2-char IDs unmasked\n }\n const prefix = serviceId.slice(0, 2);\n const suffix = '*'.repeat(serviceId.length - 2);\n return prefix + suffix;\n}\n\n/**\n * Sanitize object by removing or masking sensitive fields\n *\n * Removes: name, passwordHash\n * Masks: serviceId\n *\n * @param obj - Object to sanitize\n * @returns Sanitized copy of object\n *\n * @example\n * ```typescript\n * const data = { serviceId: 'RN2344', name: 'John Doe', score: 95 };\n * const safe = sanitize(data);\n * console.log(safe); // { serviceId: 'RN****', score: 95 }\n * ```\n */\nexport function sanitize(obj: T): Partial {\n if (obj === null || typeof obj !== 'object') {\n return obj;\n }\n\n const sanitized: Record = {};\n\n for (const [key, value] of Object.entries(obj)) {\n // Remove sensitive fields\n if (key === 'name' || key === 'passwordHash') {\n continue;\n }\n\n // Mask service IDs\n if (key === 'serviceId' && typeof value === 'string') {\n sanitized[key] = maskServiceId(value);\n continue;\n }\n\n // Recursively sanitize nested objects\n if (typeof value === 'object' && value !== null) {\n sanitized[key] = sanitize(value);\n continue;\n }\n\n sanitized[key] = value;\n }\n\n return sanitized as Partial;\n}\n\n/**\n * Log debug message (only in debug mode)\n *\n * @param message - Debug message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function debug(message: string, data?: unknown): void {\n if (debugEnabled) {\n if (data !== undefined) {\n // eslint-disable-next-line no-console\n console.log(`[DEBUG] ${message}`, sanitize(data));\n } else {\n // eslint-disable-next-line no-console\n console.log(`[DEBUG] ${message}`);\n }\n }\n}\n\n/**\n * Log info message (only in debug mode)\n *\n * @param message - Info message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function info(message: string, data?: unknown): void {\n if (debugEnabled) {\n if (data !== undefined) {\n // eslint-disable-next-line no-console\n console.log(`[INFO] ${message}`, sanitize(data));\n } else {\n // eslint-disable-next-line no-console\n console.log(`[INFO] ${message}`);\n }\n }\n}\n\n/**\n * Log error message\n *\n * @param message - Error message\n * @param error - Error object or data\n */\nexport function error(message: string, error?: unknown): void {\n if (error instanceof Error) {\n const errorObj: { name: string; message: string; stack?: string } = {\n name: error.name,\n message: error.message,\n };\n if (debugEnabled && error.stack) {\n errorObj.stack = error.stack;\n }\n console.error(`[ERROR] ${message}`, errorObj);\n } else if (error !== undefined) {\n console.error(`[ERROR] ${message}`, sanitize(error));\n } else {\n console.error(`[ERROR] ${message}`);\n }\n}\n\n/**\n * Log warning message\n *\n * @param message - Warning message\n * @param data - Optional data to log (will be sanitized)\n */\nexport function warn(message: string, data?: unknown): void {\n if (data !== undefined) {\n console.warn(`[WARN] ${message}`, sanitize(data));\n } else {\n console.warn(`[WARN] ${message}`);\n }\n}\n\n/**\n * Logger object with all methods\n */\nexport const logger = {\n setDebugMode,\n isDebugEnabled,\n debug,\n info,\n warn,\n error,\n sanitize,\n maskServiceId,\n};\n","/**\n * Quiz Table Parser\n *\n * Parses DITA-generated HTML quiz tables and extracts question data.\n *\n * Table Structure:\n * - Must have class \"qd-quiz\"\n * - Exactly 3 columns: Question | Answer | Detail\n * - MCQ: Detail column contains
                              with options\n * - Numeric: Detail column contains tolerance number\n */\n\nimport type { ParsedQuizTable, QuizQuestion } from '../types/contracts.js';\n\n/**\n * Parse a quiz table and extract question data\n *\n * @param table - HTMLTableElement with class \"qd-quiz\"\n * @returns ParsedQuizTable with questions and any validation errors\n */\nexport function parseQuizTable(table: HTMLTableElement): ParsedQuizTable {\n const errors: string[] = [];\n const questions: QuizQuestion[] = [];\n\n // Validate table has correct class\n if (!table.classList.contains('qd-quiz')) {\n errors.push('Table must have class \"qd-quiz\"');\n return { element: table, questions, errors };\n }\n\n // Get all rows from tbody (skip thead if present)\n const rows = Array.from(table.querySelectorAll('tbody tr'));\n\n if (rows.length === 0) {\n errors.push('Quiz table has no data rows');\n return { element: table, questions, errors };\n }\n\n // Parse each row\n rows.forEach((row, index) => {\n const cells = Array.from(row.querySelectorAll('td'));\n\n // Validate row has exactly 3 columns\n if (cells.length !== 3) {\n errors.push(\n `Row ${index + 1} has ${cells.length} columns, expected 3 (Question | Answer | Detail)`,\n );\n return;\n }\n\n const questionCell = cells[0];\n const answerCell = cells[1];\n const detailCell = cells[2];\n\n if (!questionCell || !answerCell || !detailCell) {\n return;\n }\n\n // Extract question text\n const questionText = questionCell.textContent?.trim() || '';\n if (!questionText) {\n errors.push(`Row ${index + 1} has empty question text`);\n return;\n }\n\n // Extract correct answer\n const correctAnswer = answerCell.textContent?.trim() || '';\n if (!correctAnswer) {\n errors.push(`Row ${index + 1} has empty answer`);\n return;\n }\n\n // Determine question kind and extract additional data\n const olElement = detailCell.querySelector('ol');\n\n if (olElement) {\n // MCQ question - extract options from ordered list\n const options = extractMcqOptions(olElement);\n\n if (options.length === 0) {\n errors.push(`Row ${index + 1} MCQ has no options in
                                `);\n return;\n }\n\n questions.push({\n text: questionText,\n kind: 'mcq',\n correctAnswer,\n options,\n });\n } else {\n // Numeric question - extract tolerance\n const toleranceText = detailCell.textContent?.trim() || '';\n const tolerance = parseFloat(toleranceText);\n\n if (isNaN(tolerance)) {\n errors.push(\n `Row ${index + 1} appears to be numeric but has invalid tolerance: \"${toleranceText}\"`,\n );\n return;\n }\n\n questions.push({\n text: questionText,\n kind: 'numeric',\n correctAnswer,\n tolerance,\n });\n }\n });\n\n return {\n element: table,\n questions,\n errors: errors.length > 0 ? errors : undefined,\n };\n}\n\n/**\n * Extract option text from MCQ ordered list\n *\n * @param ol - The
                                  element containing options\n * @returns Array of option strings\n */\nfunction extractMcqOptions(ol: HTMLOListElement): string[] {\n const listItems = Array.from(ol.querySelectorAll('li'));\n return listItems.map((li) => li.textContent?.trim() || '').filter((text) => text.length > 0);\n}\n\n/**\n * Find all quiz tables in the document\n *\n * @param doc - Document to search (defaults to global document)\n * @returns Array of ParsedQuizTable results\n */\nexport function findQuizTables(doc: Document = document): ParsedQuizTable[] {\n const tables = Array.from(doc.querySelectorAll('table.qd-quiz'));\n return tables.map((table) => parseQuizTable(table));\n}\n\n/**\n * Validate answer against question\n *\n * @param question - The quiz question\n * @param answer - The user's answer\n * @returns true if answer is correct\n */\nexport function validateAnswer(question: QuizQuestion, answer: string): boolean {\n if (!answer || answer.trim() === '') {\n return false;\n }\n\n const trimmedAnswer = answer.trim();\n\n if (question.kind === 'mcq') {\n // MCQ: exact match of option number (1-indexed)\n return trimmedAnswer === question.correctAnswer;\n } else {\n // Numeric: within tolerance\n const userValue = parseFloat(trimmedAnswer);\n const correctValue = parseFloat(question.correctAnswer);\n\n if (isNaN(userValue) || isNaN(correctValue)) {\n return false;\n }\n\n const tolerance = question.tolerance ?? 0;\n return Math.abs(userValue - correctValue) <= tolerance;\n }\n}\n","/**\n * Frozen Type Contracts for Sonar Quiz System\n * Version: 1.1.0 (Fixed PageCache with answers field)\n *\n * These types are FROZEN and must not be modified without version bump.\n * Any changes require migration strategy and backwards compatibility.\n *\n * Changelog:\n * - 1.1.0: Added missing `answers` field to PageCache (fixes 78 eslint-disable comments)\n * - 1.0.0: Initial contracts\n */\n\n// ============================================================================\n// CORE IDENTIFIERS\n// ============================================================================\n\n/** Release identifier format: \"MM-YYYY\" */\nexport type ReleaseId = string;\n\n/** Service ID for student identification */\nexport type ServiceId = string;\n\n/** Page identifier from DITA document */\nexport type PageId = string;\n\n/** Table identifier (16-char hash based on table structure: rows x cols + class name) */\nexport type TableId = string;\n\n/** Cell key format: \"R{row}C{col}#f:{hash}\" where hash is 8-char from normalized content */\nexport type CellKey = string;\n\n// ============================================================================\n// ENUMERATIONS\n// ============================================================================\n\n/** Page completion state */\nexport type CompletionState = 'unstarted' | 'incomplete' | 'complete';\n\n/** Question type in quiz */\nexport type QuestionKind = 'mcq' | 'numeric';\n\n// ============================================================================\n// QUIZ ENTITIES\n// ============================================================================\n\n/** Individual quiz answer with correctness */\nexport interface AnswerRecord {\n /** User's answer value */\n answer: string;\n /** Whether the answer is correct */\n success: boolean;\n /** Timestamp when answer was submitted (ISO 8601) */\n timestamp: string;\n}\n\n/** Quiz question definition */\nexport interface QuizQuestion {\n /** Question text */\n text: string;\n /** Question type */\n kind: QuestionKind;\n /** Correct answer */\n correctAnswer: string;\n /** MCQ options (for mcq type) */\n options?: string[];\n /** Numeric tolerance (for numeric type) */\n tolerance?: number;\n}\n\n// ============================================================================\n// ANALYSIS ENTITIES\n// ============================================================================\n\n/** Analysis table data */\nexport interface AnalysisData {\n /** Unique table identifier */\n tableId: TableId;\n /** Cell key to content mapping */\n cells: Record;\n /** First edit timestamp (ISO 8601) */\n firstEdited?: string;\n /** Last edit timestamp (ISO 8601) */\n lastEdited?: string;\n}\n\n// ============================================================================\n// PAGE DATA\n// ============================================================================\n\n/** Student's data for a specific page */\nexport interface PageData {\n /** Array of quiz answers */\n answers: AnswerRecord[];\n /** Calculated completion state */\n state: CompletionState;\n /** First attempt timestamp (ISO 8601) */\n firstAttempted?: string;\n /** Last attempt timestamp (ISO 8601) */\n lastAttempted?: string;\n /** Analysis table data if present */\n analysis?: AnalysisData;\n}\n\n// ============================================================================\n// STUDENT RECORD\n// ============================================================================\n\n/** Complete student progress record */\nexport interface StudentRecord {\n /** Schema version for migrations */\n schema: number;\n /** Document identifier */\n docId: string;\n /** Release version */\n release: ReleaseId;\n /** Student service ID */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Total questions attempted */\n attempted: number;\n /** Total correct answers */\n correct: number;\n /** Last update timestamp (ISO 8601) */\n updated: string;\n /** Page data by page ID */\n pages: Record;\n\n // PIN Authentication (v2)\n /** SHA-256 hash of 4-digit PIN */\n pinHash?: string;\n /** ISO 8601 timestamp when PIN was created */\n pinCreatedAt?: string;\n /** ISO 8601 timestamp when PIN was last reset */\n pinResetAt?: string;\n}\n\n// ============================================================================\n// PIN AUTHENTICATION (v2)\n// ============================================================================\n\n/** Rate limiting state for PIN attempts (stored in sessionStorage) */\nexport interface PinAttemptState {\n /** Student identifier */\n serviceId: ServiceId;\n /** Failed attempt count (0-3) */\n attempts: number;\n /** ISO 8601 timestamp when lockout expires, or null */\n lockoutUntil: string | null;\n /** ISO 8601 timestamp of last attempt */\n lastAttempt: string;\n}\n\n/** Audit trail for instructor PIN resets (stored in IndexedDB) */\nexport interface PinResetEvent {\n /** UUID v4 */\n eventId: string;\n /** Student affected */\n serviceId: ServiceId;\n /** Actor type */\n resetBy: 'instructor';\n /** ISO 8601 timestamp */\n resetAt: string;\n /** Context */\n release: ReleaseId;\n}\n\n// ============================================================================\n// SESSION MANAGEMENT\n// ============================================================================\n\n/**\n * Active session data\n *\n * Note: serviceId and release are duplicated from the storage key\n * for convenient access without requiring a storage lookup\n */\nexport interface SessionData {\n /** Student service ID (duplicated from storage key) */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Current release (duplicated from storage key) */\n release: ReleaseId;\n /** Login timestamp (ISO 8601) */\n loginTime: string;\n /** Last activity timestamp (ISO 8601) */\n lastActivity: string;\n /** Session expiry timestamp (ISO 8601) */\n expiresAt: string;\n /** Whether instructor mode is unlocked */\n instructorUnlocked: boolean;\n /** Instructor unlock timestamp (ISO 8601) */\n unlockTime?: string;\n}\n\n/**\n * Cached page state for performance\n *\n * CRITICAL FIX: Added `answers` field to fix type safety issues\n * This was missing in v1.0.0, causing 78 eslint-disable comments\n */\nexport interface PageCache {\n /** Page completion state */\n state: CompletionState;\n /** Total number of questions registered on this page */\n total: number;\n /** Number of questions answered */\n answered: number;\n /** Number of correct answers */\n correct: number;\n /** Last update timestamp (ISO 8601) */\n last?: string;\n /** Answer records (ADDED in v1.1.0) */\n answers?: AnswerRecord[];\n /** Analysis table data if present (ADDED in v1.2.0) */\n analysis?: AnalysisData;\n}\n\n/** Session cache for quick access */\nexport interface SessionCache {\n /** Aggregated totals */\n totals: {\n total: number;\n answered: number;\n correct: number;\n };\n /** Per-page cache */\n pages: Record;\n}\n\n// ============================================================================\n// INSTRUCTOR FEATURES\n// ============================================================================\n\n/** Student summary for instructor view */\nexport interface StudentSummary {\n /** Student service ID */\n serviceId: ServiceId;\n /** Student name */\n name: string;\n /** Questions attempted */\n attempted: number;\n /** Correct answers */\n correct: number;\n /** Success percentage */\n percentage: number;\n /** Last activity timestamp */\n lastActive: string;\n}\n\n/** Quiz results export format */\nexport interface QuizExport {\n /** Export timestamp */\n timestamp: string;\n /** Release version */\n release: ReleaseId;\n /** Document ID */\n docId: string;\n /** Student results */\n students: StudentSummary[];\n /** Detailed answers by page */\n details?: {\n pageId: PageId;\n studentId: ServiceId;\n answers: AnswerRecord[];\n }[];\n}\n\n// ============================================================================\n// DOM ENHANCEMENT\n// ============================================================================\n\n/** Quiz table parsing result */\nexport interface ParsedQuizTable {\n /** Table element reference */\n element: HTMLTableElement;\n /** Extracted questions */\n questions: QuizQuestion[];\n /** Validation errors if any */\n errors?: string[];\n}\n\n/** Analysis table parsing result */\nexport interface ParsedAnalysisTable {\n /** Table element reference */\n element: HTMLTableElement;\n /** Table identifier */\n tableId: TableId;\n /** Editable cell positions */\n editableCells: Array<{\n row: number;\n col: number;\n key: CellKey;\n }>;\n /** Validation errors if any */\n errors?: string[];\n}\n\n// ============================================================================\n// STORAGE ADAPTER\n// ============================================================================\n\n/** Storage adapter interface for data persistence */\nexport interface StorageAdapter {\n /** Initialize storage */\n init(): Promise;\n\n /** Get student record */\n getStudent(release: ReleaseId, serviceId: ServiceId): Promise;\n\n /** Save student record */\n saveStudent(record: StudentRecord): Promise;\n\n /** Get all students for a release */\n getStudentsByRelease(release: ReleaseId): Promise;\n\n /** Delete all data */\n clearAll(): Promise;\n\n /** Create backup */\n backup(record: StudentRecord): Promise;\n}\n\n// ============================================================================\n// EVENTS\n// ============================================================================\n\n/** Custom event namespace */\nexport const EVENT_NAMESPACE = 'qd';\n\n/** Event type definitions */\nexport interface QuizEvents {\n 'qd:login': { detail: SessionData };\n 'qd:logout': { detail: { serviceId: ServiceId } };\n 'qd:answer-saved': { detail: { pageId: PageId; answer: AnswerRecord } };\n 'qd:state-changed': { detail: { pageId: PageId; state: CompletionState } };\n 'qd:analysis-saved': {\n detail: { pageId: PageId; tableId: TableId; cellKey: CellKey; content: string };\n };\n 'qd:instructor-unlock': { detail: { timestamp: string } };\n 'qd:instructor-lock': { detail: { timestamp: string } };\n 'qd:data-cleared': { detail: { timestamp: string } };\n 'qd:session-expired': { detail: { timestamp: string } };\n 'qd:storage-error': { detail: { error: Error; operation: string } };\n // PIN Authentication events (v2)\n 'qd:pin-created': { detail: { serviceId: ServiceId; timestamp: string } };\n 'qd:pin-verified': { detail: { serviceId: ServiceId; timestamp: string } };\n 'qd:pin-reset': { detail: { serviceId: ServiceId; resetBy: 'instructor'; timestamp: string } };\n}\n\n// ============================================================================\n// CONSTANTS\n// ============================================================================\n\n/** Current schema version */\nexport const SCHEMA_VERSION = 2;\n\n/** Session timeout in milliseconds (30 minutes) */\nexport const SESSION_TIMEOUT_MS = 30 * 60 * 1000;\n\n/** Storage keys */\nexport const STORAGE_KEYS = {\n SESSION: 'qd/session',\n CACHE: 'qd/state',\n INSTRUCTOR: 'qd/instructor',\n PIN_ATTEMPTS: 'qd:pin-attempts',\n} as const;\n\n/** PIN authentication constants */\nexport const PIN_CONSTANTS = {\n /** Maximum failed attempts before lockout */\n MAX_ATTEMPTS: 3,\n /** Lockout duration in milliseconds (30 seconds) */\n LOCKOUT_MS: 30 * 1000,\n /** PIN length (must be exactly 4 digits) */\n PIN_LENGTH: 4,\n} as const;\n\n/** CSS classes for DOM selection */\nexport const CSS_CLASSES = {\n QUIZ_TABLE: 'qd-quiz',\n ANALYSIS_TABLE: 'qd-analysis',\n TEST_LINK: 'quizPageBtn',\n} as const;\n\n/** Element IDs */\nexport const ELEMENT_IDS = {\n STATUS_PANEL: 'qd-status',\n} as const;\n\n/**\n * CSS selectors for DOM injection points\n *\n * These are default/reference values. Actual selectors are configurable\n * via SonarQuizConfig.statusPanelContainer option.\n *\n * @see SonarQuizConfig in src/index.ts\n */\nexport const INJECTION_SELECTORS = {\n /** Default navbar container for Oxygen WebHelp templates */\n NAVBAR_CONTAINER: '.wh_top_menu_and_indexterms_link',\n} as const;\n\n/** Validation limits */\nexport const LIMITS = {\n MAX_QUESTIONS_PER_PAGE: 100,\n MAX_CELL_CONTENT_LENGTH: 500,\n MAX_NAME_LENGTH: 100,\n MAX_SERVICE_ID_LENGTH: 10,\n} as const;\n","/**\n * Session Management Service\n *\n * Handles user session lifecycle, timeout management, and instructor mode.\n * Integrates with encrypted session storage for secure session data.\n */\n\nimport type {\n SessionData,\n SessionCache,\n ServiceId,\n ReleaseId,\n StudentRecord,\n PageCache,\n PageData,\n CompletionState,\n} from '../types/contracts.js';\nimport { STORAGE_KEYS, SESSION_TIMEOUT_MS } from '../types/contracts.js';\nimport { info, warn, error } from '../utils/logger.js';\nimport { isSessionExpired } from '../utils/calculation-helpers.js';\n\n/**\n * Session Service for managing user sessions\n */\nexport class SessionService {\n /**\n * Create a new session\n *\n * @param serviceId - Student service ID\n * @param name - Student name\n * @param release - Current release ID\n * @returns Created session data\n */\n createSession(serviceId: ServiceId, name: string, release: ReleaseId): SessionData {\n const now = new Date();\n const loginTime = now.toISOString();\n const expiresAt = new Date(now.getTime() + SESSION_TIMEOUT_MS).toISOString();\n\n const session: SessionData = {\n serviceId,\n name,\n release,\n loginTime,\n lastActivity: loginTime,\n expiresAt,\n instructorUnlocked: false,\n };\n\n this.saveSession(session);\n info(`Session created for ${serviceId} (${name})`);\n\n // Emit login event\n this.emitEvent('qd:login', { serviceId, name, release, loginTime });\n\n return session;\n }\n\n /**\n * Get the current session\n *\n * @returns Session data or null if no session exists\n */\n getSession(): SessionData | null {\n try {\n const sessionData = sessionStorage.getItem(STORAGE_KEYS.SESSION);\n if (!sessionData) {\n return null;\n }\n\n const session = JSON.parse(sessionData) as SessionData;\n\n // Validate required fields\n if (!session.serviceId || !session.release || !session.expiresAt) {\n warn('Invalid session data, missing required fields');\n return null;\n }\n\n return session;\n } catch (err) {\n error('Failed to parse session data', err as Error);\n return null;\n }\n }\n\n /**\n * Update last activity time and extend session expiry\n */\n updateActivity(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n const now = new Date();\n session.lastActivity = now.toISOString();\n session.expiresAt = new Date(now.getTime() + SESSION_TIMEOUT_MS).toISOString();\n\n this.saveSession(session);\n }\n\n /**\n * Check if the current session is expired\n *\n * @returns True if session is expired or doesn't exist\n */\n isExpired(): boolean {\n const session = this.getSession();\n if (!session) {\n return true;\n }\n\n return isSessionExpired(session.expiresAt);\n }\n\n /**\n * Clear the current session\n */\n clearSession(): void {\n const session = this.getSession();\n sessionStorage.removeItem(STORAGE_KEYS.SESSION);\n sessionStorage.removeItem(STORAGE_KEYS.CACHE);\n sessionStorage.removeItem(STORAGE_KEYS.INSTRUCTOR);\n\n // Clear instructor-specific state (FR-001)\n sessionStorage.removeItem('qd/instructor/showAnswers');\n\n if (session) {\n info(`Session cleared for ${session.serviceId}`);\n\n // Emit logout event\n this.emitEvent('qd:logout', {\n serviceId: session.serviceId,\n timestamp: new Date().toISOString(),\n });\n }\n }\n\n /**\n * Unlock instructor mode\n */\n unlockInstructor(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n session.instructorUnlocked = true;\n session.unlockTime = new Date().toISOString();\n\n this.saveSession(session);\n\n info('Instructor mode unlocked');\n\n // Emit custom event\n this.emitEvent('qd:instructor-unlock', { timestamp: session.unlockTime });\n }\n\n /**\n * Lock instructor mode\n */\n lockInstructor(): void {\n const session = this.getSession();\n if (!session) {\n return;\n }\n\n session.instructorUnlocked = false;\n delete session.unlockTime;\n\n this.saveSession(session);\n\n info('Instructor mode locked');\n\n // Emit custom event\n this.emitEvent('qd:instructor-lock', { timestamp: new Date().toISOString() });\n }\n\n /**\n * Check if instructor mode is unlocked\n *\n * @returns True if instructor mode is unlocked\n */\n isInstructorUnlocked(): boolean {\n const session = this.getSession();\n return session?.instructorUnlocked === true;\n }\n\n /**\n * Get session cache from sessionStorage\n *\n * @returns Session cache or null if not found\n */\n getCache(): SessionCache | null {\n try {\n const cacheData = sessionStorage.getItem(STORAGE_KEYS.CACHE);\n if (!cacheData) {\n return null;\n }\n\n return JSON.parse(cacheData) as SessionCache;\n } catch (err) {\n error('Failed to parse cache data', err);\n return null;\n }\n }\n\n /**\n * Save session cache to sessionStorage\n *\n * @param cache - Cache data to save\n */\n saveCache(cache: SessionCache): void {\n try {\n sessionStorage.setItem(STORAGE_KEYS.CACHE, JSON.stringify(cache));\n } catch (err) {\n error('Failed to save cache', err);\n }\n }\n\n /**\n * Clear the session cache\n */\n clearCache(): void {\n sessionStorage.removeItem(STORAGE_KEYS.CACHE);\n }\n\n /**\n * Save session to sessionStorage\n *\n * @param session - Session data to save\n */\n private saveSession(session: SessionData): void {\n try {\n sessionStorage.setItem(STORAGE_KEYS.SESSION, JSON.stringify(session));\n } catch (err) {\n error('Failed to save session', err);\n }\n }\n\n /**\n * Emit a custom event\n *\n * @param eventName - Name of the event\n * @param detail - Event detail data\n */\n private emitEvent(eventName: string, detail: unknown): void {\n try {\n const event = new CustomEvent(eventName, { detail, bubbles: true });\n document.dispatchEvent(event);\n } catch (err) {\n error(`Failed to emit event ${eventName}`, err);\n }\n }\n}\n\n// ============================================================================\n// CACHE BUILDING UTILITIES\n// ============================================================================\n\n/**\n * Build session cache from a student record\n *\n * This creates a SessionCache structure that provides quick access to\n * page states and totals without querying IndexedDB.\n *\n * @param record - Student record to build cache from\n * @returns Session cache with totals and page entries\n */\nexport function buildCacheFromRecord(record: StudentRecord): SessionCache {\n const cache: SessionCache = {\n totals: {\n total: 0,\n answered: 0,\n correct: 0,\n },\n pages: {},\n };\n\n // Build cache entry for each page\n for (const [pageId, pageData] of Object.entries(record.pages)) {\n const pageCache = buildPageCache(pageId, pageData);\n cache.pages[pageId] = pageCache;\n\n // Accumulate totals\n cache.totals.total += pageCache.total;\n cache.totals.answered += pageCache.answered;\n cache.totals.correct += pageCache.correct;\n }\n\n return cache;\n}\n\n/**\n * Build a page cache entry from page data\n *\n * @param _pageId - Page identifier (unused, kept for API consistency)\n * @param pageData - Page data from student record\n * @returns Page cache entry\n */\nexport function buildPageCache(_pageId: string, pageData: PageData): PageCache {\n // Total is the length of answers array (includes empty/placeholder answers)\n const total = pageData.answers.length;\n const answered = pageData.answers.filter((a) => a.answer.trim() !== '').length;\n const correct = pageData.answers.filter((a) => a.success).length;\n\n return {\n state: pageData.state,\n total,\n answered,\n correct,\n last: pageData.lastAttempted,\n answers: pageData.answers,\n analysis: pageData.analysis, // Preserve analysis data from analysis tables\n };\n}\n\n/**\n * Register page questions in cache\n *\n * Called when a quiz page loads to register the total number of questions.\n * This ensures the status panel shows total registered questions, not just answered.\n *\n * @param cache - Current cache to update\n * @param pageId - Page identifier\n * @param totalQuestions - Total number of questions on the page\n * @returns Updated cache\n */\nexport function registerPageQuestions(\n cache: SessionCache,\n pageId: string,\n totalQuestions: number,\n): SessionCache {\n // Get existing page cache or create new one\n const existingPage = cache.pages[pageId];\n\n // If page already registered with same or higher total, don't update\n if (existingPage && existingPage.total >= totalQuestions) {\n return cache;\n }\n\n // Calculate delta for totals update\n const oldTotal = existingPage?.total || 0;\n const delta = totalQuestions - oldTotal;\n\n // Create/update page entry\n const updatedPage: PageCache = {\n state: existingPage?.state || ('unstarted' as const),\n total: totalQuestions,\n answered: existingPage?.answered || 0,\n correct: existingPage?.correct || 0,\n last: existingPage?.last,\n answers: existingPage?.answers,\n analysis: existingPage?.analysis,\n };\n\n return {\n totals: {\n total: cache.totals.total + delta,\n answered: cache.totals.answered,\n correct: cache.totals.correct,\n },\n pages: {\n ...cache.pages,\n [pageId]: updatedPage,\n },\n };\n}\n\n/**\n * Update cache with a new answer\n *\n * This incrementally updates the cache when a new answer is submitted,\n * avoiding the need to rebuild the entire cache.\n *\n * @param cache - Current cache to update\n * @param pageId - Page where answer was submitted\n * @param isCorrect - Whether the answer is correct\n * @param newState - New completion state for the page\n * @returns Updated cache\n */\nexport function updateCacheWithAnswer(\n cache: SessionCache,\n pageId: string,\n isCorrect: boolean,\n newState: CompletionState,\n): SessionCache {\n const now = new Date().toISOString();\n\n // Get or create page entry\n const pageCache = cache.pages[pageId] || {\n state: 'incomplete' as const,\n total: 0,\n answered: 0,\n correct: 0,\n };\n\n // Update page counts\n const updatedPage: PageCache = {\n ...pageCache,\n state: newState,\n answered: pageCache.answered + 1,\n correct: pageCache.correct + (isCorrect ? 1 : 0),\n last: now,\n };\n\n // Update totals\n const updatedTotals = {\n total: cache.totals.total,\n answered: cache.totals.answered + 1,\n correct: cache.totals.correct + (isCorrect ? 1 : 0),\n };\n\n return {\n totals: updatedTotals,\n pages: {\n ...cache.pages,\n [pageId]: updatedPage,\n },\n };\n}\n\n// ============================================================================\n// SINGLETON PATTERN\n// ============================================================================\n\n/**\n * Create and return a singleton instance of the session service\n */\nlet sessionInstance: SessionService | null = null;\n\nexport function getSessionService(): SessionService {\n if (!sessionInstance) {\n sessionInstance = new SessionService();\n }\n return sessionInstance;\n}\n\n/**\n * Reset the singleton instance (useful for testing)\n */\nexport function resetSessionService(): void {\n sessionInstance = null;\n}\n","/**\n * Calculation Helpers\n *\n * Pure functions for status indicators, percentages, and totals.\n * Feature: 007-lit-component-refactor\n *\n * These functions have no side effects and no DOM dependencies,\n * making them easy to unit test.\n */\n\nimport type { PageData, PageId } from '../types/contracts';\n\n/**\n * Status indicator values for R/A/G progress display.\n */\nexport type StatusIndicator = 'red' | 'amber' | 'green';\n\n/**\n * Calculates R/A/G status indicator from quiz totals.\n *\n * @param total - Total number of questions\n * @param correct - Number of correct answers\n * @returns 'green' if all correct, 'red' if none, 'amber' otherwise\n */\nexport function calculateStatusIndicator(total: number, correct: number): StatusIndicator {\n if (total === 0 || correct === 0) {\n return 'red';\n }\n if (correct === total) {\n return 'green';\n }\n return 'amber';\n}\n\n/**\n * Calculates percentage with safe division.\n *\n * @param correct - Numerator (correct count)\n * @param attempted - Denominator (attempted count)\n * @returns Rounded percentage (0 if attempted is 0)\n */\nexport function calculatePercentage(correct: number, attempted: number): number {\n if (attempted === 0) {\n return 0;\n }\n return Math.round((correct / attempted) * 100);\n}\n\n/**\n * Totals calculated from page data.\n */\nexport interface RecalculatedTotals {\n attempted: number;\n correct: number;\n}\n\n/**\n * Recalculates totals from all pages in a student record.\n * Only counts answers with non-empty answer strings (excludes placeholder entries).\n *\n * @param pages - Record of page ID to page data\n * @returns Aggregated attempted and correct counts\n */\nexport function recalculateTotalsFromPages(pages: Record): RecalculatedTotals {\n let attempted = 0;\n let correct = 0;\n\n for (const pageId in pages) {\n const pageData = pages[pageId];\n if (pageData && pageData.answers && Array.isArray(pageData.answers)) {\n // Filter to only non-empty answers (matches storage-service.ts behavior)\n const answered = pageData.answers.filter((a) => a.answer.trim() !== '');\n attempted += answered.length;\n correct += answered.filter((a) => a.success).length;\n }\n }\n\n return { attempted, correct };\n}\n\n/**\n * Checks if a session has expired.\n *\n * @param expiresAt - ISO 8601 expiration timestamp\n * @param now - Current time (defaults to new Date())\n * @returns True if session has expired\n */\nexport function isSessionExpired(expiresAt: string, now: Date = new Date()): boolean {\n const expiryDate = new Date(expiresAt);\n // Invalid date -> treat as expired\n if (isNaN(expiryDate.getTime())) {\n return true;\n }\n return now >= expiryDate;\n}\n\n/**\n * Masks a service ID for display (shows last N digits).\n *\n * @param serviceId - Full service ID\n * @param visibleDigits - Number of digits to show (default 4)\n * @returns Masked string like \"...1234\"\n */\nexport function maskServiceId(serviceId: string, visibleDigits: number = 4): string {\n if (!serviceId) {\n return '';\n }\n if (serviceId.length <= visibleDigits) {\n return serviceId;\n }\n if (visibleDigits === 0) {\n return '...';\n }\n return '...' + serviceId.slice(-visibleDigits);\n}\n","/**\n * Date formatting utilities for consistent timestamp display across the application.\n * Provides both display formatting (24-hour, month/date/time) and CSV export formatting (ISO 8601).\n */\n\n/**\n * Format options for timestamp display\n */\nexport type TimestampFormat = 'display' | 'csv';\n\n/**\n * Format a date for display in the instructor interface\n * @param date - Date to format\n * @returns Formatted string in \"Nov 19 14:23\" or \"11/19 14:23:45\" format (24-hour time)\n */\nfunction formatDisplayTimestamp(date: Date): string {\n // Use short month name format: \"Nov 19 14:23\"\n const month = date.toLocaleDateString('en-US', { month: 'short' });\n const day = date.getDate();\n const hours = date.getHours().toString().padStart(2, '0');\n const minutes = date.getMinutes().toString().padStart(2, '0');\n\n return `${month} ${day} ${hours}:${minutes}`;\n}\n\n/**\n * Format a date for CSV export\n * @param date - Date to format\n * @returns ISO 8601 formatted string for spreadsheet compatibility\n */\nfunction formatCSVTimestamp(date: Date): string {\n return date.toISOString();\n}\n\n/**\n * Main timestamp formatting function\n * @param date - Date to format (can be Date object or ISO string)\n * @param format - Format type ('display' for UI, 'csv' for export)\n * @returns Formatted timestamp string\n */\nexport function formatTimestamp(date: Date | string, format: TimestampFormat = 'display'): string {\n // Handle null/undefined\n if (date == null) {\n console.warn('Invalid date provided to formatTimestamp:', date);\n return 'Invalid Date';\n }\n\n const dateObj = typeof date === 'string' ? new Date(date) : date;\n\n // Validate date\n if (isNaN(dateObj.getTime())) {\n console.warn('Invalid date provided to formatTimestamp:', date);\n return 'Invalid Date';\n }\n\n return format === 'csv' ? formatCSVTimestamp(dateObj) : formatDisplayTimestamp(dateObj);\n}\n\n/**\n * Parse an ISO 8601 timestamp from storage and format for display\n * @param isoString - ISO 8601 timestamp string from IndexedDB\n * @returns Formatted display string\n */\nexport function formatStoredTimestamp(isoString: string): string {\n return formatTimestamp(isoString, 'display');\n}\n\n/**\n * Get current timestamp in ISO 8601 format for storage\n * @returns Current time as ISO 8601 string\n */\nexport function getCurrentTimestamp(): string {\n return new Date().toISOString();\n}\n","/**\n * Debouncer utility for delaying function execution\n *\n * Provides centralized debounce timer management, replacing the WeakMap pattern\n * used in the original implementation. Saves ~22 lines of duplicated code.\n *\n * @example\n * ```typescript\n * const debouncer = new Debouncer();\n *\n * // Debounce save operation\n * function handleInput(value: string) {\n * debouncer.debounce('save-answer', () => {\n * saveToDatabase(value);\n * }, 200);\n * }\n * ```\n */\n\n/**\n * Debouncer class for managing delayed function calls\n *\n * Maintains a map of timers indexed by key, allowing multiple independent\n * debounced operations.\n */\nexport class Debouncer {\n private timers = new Map>();\n\n /**\n * Debounce a function call\n *\n * If called multiple times with the same key, only the last call will execute\n * after the delay period.\n *\n * @param key - Unique identifier for this debounced operation\n * @param fn - Function to execute after delay\n * @param delay - Delay in milliseconds (default: 200ms)\n *\n * @example\n * ```typescript\n * const debouncer = new Debouncer();\n *\n * // Called multiple times rapidly\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * debouncer.debounce('auto-save', () => console.log('Saved!'), 500);\n * // Only logs \"Saved!\" once after 500ms\n * ```\n */\n debounce(key: string, fn: () => void, delay = 200): void {\n // Cancel existing timer if present\n const existing = this.timers.get(key);\n if (existing !== undefined) {\n clearTimeout(existing);\n }\n\n // Set new timer\n const timer = setTimeout(() => {\n this.timers.delete(key);\n fn();\n }, delay);\n\n this.timers.set(key, timer);\n }\n\n /**\n * Cancel a specific debounced operation\n *\n * @param key - Key of the operation to cancel\n * @returns true if a timer was cancelled, false if no timer existed\n */\n cancel(key: string): boolean {\n const timer = this.timers.get(key);\n if (timer !== undefined) {\n clearTimeout(timer);\n this.timers.delete(key);\n return true;\n }\n return false;\n }\n\n /**\n * Cancel all pending debounced operations\n *\n * @returns Number of timers that were cancelled\n */\n cancelAll(): number {\n let count = 0;\n for (const timer of this.timers.values()) {\n clearTimeout(timer);\n count++;\n }\n this.timers.clear();\n return count;\n }\n\n /**\n * Check if a debounced operation is pending\n *\n * @param key - Key to check\n * @returns true if a timer is active for this key\n */\n isPending(key: string): boolean {\n return this.timers.has(key);\n }\n\n /**\n * Get count of pending operations\n *\n * @returns Number of active timers\n */\n getPendingCount(): number {\n return this.timers.size;\n }\n}\n","/**\n * DOM helper utilities\n *\n * Provides type-safe DOM query and manipulation helpers, eliminating\n * repetitive querySelector patterns. Saves ~80 lines of duplicated code.\n *\n * All functions use textContent instead of innerHTML to prevent XSS vulnerabilities.\n */\n\n/**\n * Get all rows from a table body\n *\n * @param table - Table element\n * @returns Array of table row elements\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-quiz');\n * if (table instanceof HTMLTableElement) {\n * const rows = getTableRows(table);\n * console.log(`Table has ${rows.length} rows`);\n * }\n * ```\n */\nexport function getTableRows(table: HTMLTableElement): HTMLTableRowElement[] {\n const tbody = table.querySelector('tbody');\n if (!tbody) {\n return [];\n }\n return Array.from(tbody.querySelectorAll('tr'));\n}\n\n/**\n * Get all cells from a table row\n *\n * @param row - Table row element\n * @returns Array of table cell elements\n *\n * @example\n * ```typescript\n * const row = table.querySelector('tr');\n * if (row instanceof HTMLTableRowElement) {\n * const cells = getRowCells(row);\n * console.log(`Row has ${cells.length} cells`);\n * }\n * ```\n */\nexport function getRowCells(row: HTMLTableRowElement): HTMLTableCellElement[] {\n return Array.from(row.cells);\n}\n\n/**\n * Get trimmed text content from an element\n *\n * Returns empty string if element is null or has no text content.\n *\n * @param element - Element to get text from\n * @returns Trimmed text content\n *\n * @example\n * ```typescript\n * const cell = row.cells[0];\n * const text = getTextContent(cell);\n * console.log('Cell text:', text);\n * ```\n */\nexport function getTextContent(element: Element | null): string {\n if (!element) {\n return '';\n }\n return element.textContent?.trim() || '';\n}\n\n/**\n * Set text content on an element (XSS-safe)\n *\n * Uses textContent instead of innerHTML to prevent XSS attacks.\n *\n * @param element - Element to set text on\n * @param text - Text content to set\n *\n * @example\n * ```typescript\n * const div = document.createElement('div');\n * setTextContent(div, 'Safe text content');\n * ```\n */\nexport function setTextContent(element: Element, text: string): void {\n element.textContent = text;\n}\n\n/**\n * Create an element with optional text and class name (XSS-safe)\n *\n * Uses textContent instead of innerHTML for XSS protection.\n *\n * @param tag - HTML tag name\n * @param text - Optional text content\n * @param className - Optional class name\n * @returns Created element\n *\n * @example\n * ```typescript\n * const div = createElement('div', 'Hello, World!', 'greeting');\n * document.body.appendChild(div);\n * ```\n */\nexport function createElement(\n tag: K,\n text?: string,\n className?: string,\n): HTMLElementTagNameMap[K] {\n const element = document.createElement(tag);\n\n if (text !== undefined) {\n element.textContent = text;\n }\n\n if (className !== undefined) {\n element.className = className;\n }\n\n return element;\n}\n\n/**\n * Create multiple child elements and append to parent (XSS-safe)\n *\n * @param parent - Parent element\n * @param children - Array of child elements to append\n *\n * @example\n * ```typescript\n * const div = createElement('div');\n * appendChildren(div, [\n * createElement('span', 'First'),\n * createElement('span', 'Second'),\n * ]);\n * ```\n */\nexport function appendChildren(parent: Element, children: Element[]): void {\n for (const child of children) {\n parent.appendChild(child);\n }\n}\n\n/**\n * Query selector with type safety\n *\n * @param selector - CSS selector\n * @param parent - Parent element (default: document)\n * @returns Element or null\n *\n * @example\n * ```typescript\n * const table = querySelector('table.qd-quiz');\n * if (table) {\n * const rows = getTableRows(table);\n * }\n * ```\n */\nexport function querySelector(\n selector: string,\n parent: ParentNode = document,\n): T | null {\n return parent.querySelector(selector);\n}\n\n/**\n * Query selector all with type safety\n *\n * @param selector - CSS selector\n * @param parent - Parent element (default: document)\n * @returns Array of elements\n *\n * @example\n * ```typescript\n * const tables = querySelectorAll('table.qd-quiz');\n * console.log(`Found ${tables.length} quiz tables`);\n * ```\n */\nexport function querySelectorAll(\n selector: string,\n parent: ParentNode = document,\n): T[] {\n return Array.from(parent.querySelectorAll(selector));\n}\n\n/**\n * Get element by ID with type safety\n *\n * @param id - Element ID\n * @returns Element or null\n *\n * @example\n * ```typescript\n * const status = getElementById('qd-status');\n * if (status) {\n * status.style.display = 'block';\n * }\n * ```\n */\nexport function getElementById(id: string): T | null {\n const element = document.getElementById(id);\n return element as T | null;\n}\n\n/**\n * Remove all children from an element\n *\n * @param element - Element to clear\n *\n * @example\n * ```typescript\n * const container = getElementById('results');\n * if (container) {\n * removeAllChildren(container);\n * }\n * ```\n */\nexport function removeAllChildren(element: Element): void {\n while (element.firstChild) {\n element.removeChild(element.firstChild);\n }\n}\n\n/**\n * Replace all children of an element with new children\n *\n * @param element - Element to update\n * @param children - New children to add\n *\n * @example\n * ```typescript\n * const container = getElementById('results');\n * if (container) {\n * replaceChildren(container, [\n * createElement('div', 'Result 1'),\n * createElement('div', 'Result 2'),\n * ]);\n * }\n * ```\n */\nexport function replaceChildren(element: Element, children: Element[]): void {\n removeAllChildren(element);\n appendChildren(element, children);\n}\n\n/**\n * Check if element has a specific class\n *\n * @param element - Element to check\n * @param className - Class name to look for\n * @returns true if element has the class\n */\nexport function hasClass(element: Element, className: string): boolean {\n return element.classList.contains(className);\n}\n\n/**\n * Add one or more classes to an element\n *\n * @param element - Element to modify\n * @param classNames - Class names to add\n */\nexport function addClass(element: Element, ...classNames: string[]): void {\n element.classList.add(...classNames);\n}\n\n/**\n * Remove one or more classes from an element\n *\n * @param element - Element to modify\n * @param classNames - Class names to remove\n */\nexport function removeClass(element: Element, ...classNames: string[]): void {\n element.classList.remove(...classNames);\n}\n\n/**\n * Toggle a class on an element\n *\n * @param element - Element to modify\n * @param className - Class name to toggle\n * @returns true if class was added, false if removed\n */\nexport function toggleClass(element: Element, className: string): boolean {\n return element.classList.toggle(className);\n}\n","/**\n * Event helper utilities\n *\n * Provides type-safe custom event emission and handling, with consistent\n * configuration for bubbling and composition. Saves ~8 lines per event emission.\n */\n\nimport type { QuizEvents } from '../types/contracts.js';\n\n/**\n * Emit a custom event on the document\n *\n * Events bubble by default and are composed (cross shadow DOM boundaries).\n *\n * @param name - Event name (should use 'qd:' namespace)\n * @param detail - Event detail data\n * @param options - Optional event configuration\n *\n * @example\n * ```typescript\n * // Emit login event\n * emitCustomEvent('qd:login', {\n * serviceId: 'RN2344',\n * name: 'John Doe',\n * loginTime: new Date().toISOString(),\n * });\n * ```\n */\nexport function emitCustomEvent(\n name: K,\n detail: QuizEvents[K]['detail'],\n options?: {\n bubbles?: boolean;\n composed?: boolean;\n cancelable?: boolean;\n },\n): boolean {\n const event = new CustomEvent(name, {\n detail,\n bubbles: options?.bubbles ?? true,\n composed: options?.composed ?? true,\n cancelable: options?.cancelable ?? false,\n });\n\n return document.dispatchEvent(event);\n}\n\n/**\n * Add event listener for custom event\n *\n * @param name - Event name\n * @param handler - Event handler function\n * @param options - Optional event listener options\n *\n * @example\n * ```typescript\n * // Listen for login events\n * const unsubscribe = addEventListener('qd:login', (event) => {\n * console.log('User logged in:', event.detail.serviceId);\n * });\n *\n * // Later: remove listener\n * unsubscribe();\n * ```\n */\nexport function addEventListener(\n name: K,\n handler: (event: CustomEvent) => void,\n options?: AddEventListenerOptions,\n): () => void {\n const listener = handler as EventListener;\n document.addEventListener(name, listener, options);\n\n // Return unsubscribe function\n return () => {\n document.removeEventListener(name, listener, options);\n };\n}\n\n/**\n * Remove event listener for custom event\n *\n * @param name - Event name\n * @param handler - Event handler function\n * @param options - Optional event listener options\n *\n * @example\n * ```typescript\n * function handleLogin(event) {\n * console.log('Logged in:', event.detail.serviceId);\n * }\n *\n * addEventListener('qd:login', handleLogin);\n * // Later...\n * removeEventListener('qd:login', handleLogin);\n * ```\n */\nexport function removeEventListener(\n name: K,\n handler: (event: CustomEvent) => void,\n options?: EventListenerOptions,\n): void {\n const listener = handler as EventListener;\n document.removeEventListener(name, listener, options);\n}\n\n/**\n * Add one-time event listener that auto-removes after first trigger\n *\n * @param name - Event name\n * @param handler - Event handler function\n *\n * @example\n * ```typescript\n * // Wait for login, then perform action once\n * addEventListenerOnce('qd:login', (event) => {\n * console.log('First login detected');\n * });\n * ```\n */\nexport function addEventListenerOnce(\n name: K,\n handler: (event: CustomEvent) => void,\n): void {\n const listener = handler as EventListener;\n document.addEventListener(name, listener, { once: true });\n}\n\n/**\n * Wait for a specific event to occur\n *\n * Returns a promise that resolves when the event is emitted.\n *\n * @param name - Event name to wait for\n * @param timeout - Optional timeout in milliseconds\n * @returns Promise that resolves with event detail\n *\n * @example\n * ```typescript\n * // Wait for login\n * const session = await waitForEvent('qd:login', 5000);\n * console.log('User logged in:', session.serviceId);\n * ```\n */\nexport function waitForEvent(\n name: K,\n timeout?: number,\n): Promise {\n return new Promise((resolve, reject) => {\n let timeoutId: ReturnType | undefined;\n\n const handler = (event: Event) => {\n if (timeoutId !== undefined) {\n clearTimeout(timeoutId);\n }\n const customEvent = event as CustomEvent;\n resolve(customEvent.detail);\n };\n\n document.addEventListener(name, handler, { once: true });\n\n if (timeout !== undefined) {\n timeoutId = setTimeout(() => {\n document.removeEventListener(name, handler);\n reject(new Error(`Timeout waiting for event: ${name}`));\n }, timeout);\n }\n });\n}\n\n/**\n * Dispatch event on a specific element\n *\n * @param element - Element to dispatch event on\n * @param name - Event name\n * @param detail - Event detail\n * @param options - Optional event configuration\n *\n * @example\n * ```typescript\n * const button = document.querySelector('button');\n * if (button) {\n * dispatchEventOn(button, 'qd:custom', { data: 'test' });\n * }\n * ```\n */\nexport function dispatchEventOn(\n element: Element,\n name: string,\n detail: T,\n options?: {\n bubbles?: boolean;\n composed?: boolean;\n cancelable?: boolean;\n },\n): boolean {\n const event = new CustomEvent(name, {\n detail,\n bubbles: options?.bubbles ?? true,\n composed: options?.composed ?? true,\n cancelable: options?.cancelable ?? false,\n });\n\n return element.dispatchEvent(event);\n}\n","/**\n * Storage helper utilities\n *\n * Provides type-safe JSON storage operations for sessionStorage,\n * replacing repetitive try-catch JSON.parse patterns. Saves ~54 lines\n * of duplicated code.\n */\n\nimport { warn } from './logger.js';\n\n/**\n * Get and parse JSON data from sessionStorage\n *\n * @param key - Storage key\n * @returns Parsed object of type T, or null if not found or invalid\n *\n * @example\n * ```typescript\n * interface SessionData {\n * userId: string;\n * loginTime: string;\n * }\n *\n * const session = getJSON('qd/session');\n * if (session) {\n * console.log('User ID:', session.userId);\n * }\n * ```\n */\nexport function getJSON(key: string): T | null {\n try {\n const data = sessionStorage.getItem(key);\n if (!data) {\n return null;\n }\n return JSON.parse(data) as T;\n } catch (error) {\n warn(`Failed to parse JSON from sessionStorage key: ${key}`, error);\n return null;\n }\n}\n\n/**\n * Stringify and store JSON data in sessionStorage\n *\n * @param key - Storage key\n * @param value - Data to store\n * @returns true if successful, false if failed\n *\n * @example\n * ```typescript\n * const session = {\n * userId: 'RN2344',\n * loginTime: new Date().toISOString(),\n * };\n *\n * setJSON('qd/session', session);\n * ```\n */\nexport function setJSON(key: string, value: T): boolean {\n try {\n const json = JSON.stringify(value);\n sessionStorage.setItem(key, json);\n return true;\n } catch (error) {\n warn(`Failed to store JSON in sessionStorage key: ${key}`, error);\n return false;\n }\n}\n\n/**\n * Remove item from sessionStorage\n *\n * @param key - Storage key to remove\n */\nexport function removeItem(key: string): void {\n sessionStorage.removeItem(key);\n}\n\n/**\n * Check if key exists in sessionStorage\n *\n * @param key - Storage key to check\n * @returns true if key exists\n */\nexport function hasItem(key: string): boolean {\n return sessionStorage.getItem(key) !== null;\n}\n\n/**\n * Clear all quiz data from sessionStorage\n *\n * Only removes keys with 'qd/' prefix, leaving other data intact.\n *\n * @returns Number of items cleared\n *\n * @example\n * ```typescript\n * // Clear all quiz-related session data\n * const cleared = clearQuizData();\n * console.log(`Cleared ${cleared} items`);\n * ```\n */\nexport function clearQuizData(): number {\n const keysToRemove: string[] = [];\n\n // Find all keys with 'qd/' prefix\n for (let i = 0; i < sessionStorage.length; i++) {\n const key = sessionStorage.key(i);\n if (key && key.startsWith('qd/')) {\n keysToRemove.push(key);\n }\n }\n\n // Remove found keys\n for (const key of keysToRemove) {\n sessionStorage.removeItem(key);\n }\n\n return keysToRemove.length;\n}\n\n/**\n * Get all quiz data keys from sessionStorage\n *\n * @returns Array of keys with 'qd/' prefix\n */\nexport function getQuizDataKeys(): string[] {\n const keys: string[] = [];\n\n for (let i = 0; i < sessionStorage.length; i++) {\n const key = sessionStorage.key(i);\n if (key && key.startsWith('qd/')) {\n keys.push(key);\n }\n }\n\n return keys;\n}\n\n/**\n * Clear all sessionStorage data\n *\n * Use with caution - clears everything, not just quiz data.\n */\nexport function clearAll(): void {\n sessionStorage.clear();\n}\n","/**\n * Storage Adapter Utilities\n *\n * Provides utility functions for working with storage keys, validation,\n * and error types for the storage layer.\n *\n * Storage Key Format: qd/{release}/u{serviceId}\n * Example: qd/11-2024/uRN2344\n */\n\nimport type { StudentRecord, ReleaseId, ServiceId } from '../../types/contracts.js';\nimport { error as logError } from '../../utils/logger.js';\n\n/**\n * Generate storage key for a student record\n *\n * Format: qd/{release}/u{serviceId}\n *\n * @param release - Release identifier (e.g., \"01-2025\")\n * @param serviceId - Service ID (e.g., \"RN2344\")\n * @returns Storage key string\n *\n * @example\n * ```typescript\n * const key = getStorageKey('11-2024', 'RN2344');\n * // Returns: \"qd/11-2024/uRN2344\"\n * ```\n */\nexport function getStorageKey(release: ReleaseId, serviceId: ServiceId): string {\n return `qd/${release}/u${serviceId}`;\n}\n\n/**\n * Parse a storage key back into its components\n *\n * @param key - Storage key to parse\n * @returns Object with release and serviceId, or null if invalid\n *\n * @example\n * ```typescript\n * const parts = parseStorageKey('qd/11-2024/uRN2344');\n * // Returns: { release: '11-2024', serviceId: 'RN2344' }\n * ```\n */\nexport function parseStorageKey(key: string): { release: ReleaseId; serviceId: ServiceId } | null {\n const match = key.match(/^qd\\/([^/]+)\\/u(.+)$/);\n if (!match || !match[1] || !match[2]) {\n return null;\n }\n return {\n release: match[1],\n serviceId: match[2],\n };\n}\n\n/**\n * Validate release ID format (MM-YYYY)\n *\n * @param release - Release ID to validate\n * @returns True if valid, false otherwise\n *\n * @example\n * ```typescript\n * isValidReleaseId('11-2024'); // true\n * isValidReleaseId('2024-11'); // false\n * isValidReleaseId('13-2024'); // false (month > 12)\n * ```\n */\nexport function isValidReleaseId(release: string): boolean {\n const match = release.match(/^(\\d{2})-(\\d{4})$/);\n if (!match || !match[1] || !match[2]) {\n return false;\n }\n\n // Validate month range (01-12)\n const month = parseInt(match[1], 10);\n return month >= 1 && month <= 12;\n}\n\n/**\n * Validate service ID format (2-10 alphanumeric characters)\n *\n * @param serviceId - Service ID to validate\n * @returns True if valid, false otherwise\n *\n * @example\n * ```typescript\n * isValidServiceId('RN2344'); // true\n * isValidServiceId('AB'); // true (minimum 2 chars)\n * isValidServiceId('A'); // false (too short)\n * isValidServiceId('ABCDEFGHIJK'); // false (too long)\n * ```\n */\nexport function isValidServiceId(serviceId: string): boolean {\n return /^[A-Za-z0-9]{2,10}$/.test(serviceId);\n}\n\n/**\n * Create a default empty StudentRecord\n *\n * @param release - Release identifier\n * @param serviceId - Service identifier\n * @param name - Student name\n * @param docId - Document identifier\n * @returns New StudentRecord with default values\n *\n * @example\n * ```typescript\n * const record = createEmptyStudentRecord('11-2024', 'RN2344', 'Alice Student', 'doc-123');\n * // Returns StudentRecord with empty pages, 0 scores, current timestamp\n * ```\n */\nexport function createEmptyStudentRecord(\n release: ReleaseId,\n serviceId: ServiceId,\n name: string,\n docId: string,\n): StudentRecord {\n return {\n schema: 1,\n docId,\n release,\n serviceId,\n name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n}\n\n/**\n * Storage adapter error types\n */\nexport class StorageError extends Error {\n constructor(\n message: string,\n public readonly operation: string,\n public readonly cause?: Error,\n ) {\n super(message);\n this.name = 'StorageError';\n\n // Log error for debugging\n if (cause) {\n logError(`Storage error in ${operation}: ${message}`, cause);\n } else {\n logError(`Storage error in ${operation}: ${message}`);\n }\n }\n}\n\n/**\n * Error thrown when storage is not initialized\n */\nexport class StorageNotInitializedError extends StorageError {\n constructor(operation: string) {\n super('Storage adapter not initialized. Call init() first.', operation);\n this.name = 'StorageNotInitializedError';\n }\n}\n\n/**\n * Error thrown when a storage operation times out\n */\nexport class StorageTimeoutError extends StorageError {\n constructor(operation: string, timeout: number) {\n super(`Storage operation timed out after ${timeout}ms`, operation);\n this.name = 'StorageTimeoutError';\n }\n}\n\n/**\n * Error thrown when storage quota is exceeded\n */\nexport class StorageQuotaError extends StorageError {\n constructor(operation: string) {\n super('Storage quota exceeded. Please clear old data or free up space.', operation);\n this.name = 'StorageQuotaError';\n }\n}\n","/**\n * IndexedDB Storage Adapter Implementation\n *\n * Provides persistent storage for student records using browser IndexedDB.\n * Implements atomic transactions and proper error handling.\n *\n * Database: Configured via #qd-db-name element (REQUIRED)\n * Stores: students (main data), backups (backup copies)\n * Keys: qd/{release}/u{serviceId}\n */\n\nimport type {\n StorageAdapter,\n StudentRecord,\n ReleaseId,\n ServiceId,\n PinResetEvent,\n} from '../../types/contracts.js';\nimport {\n getStorageKey,\n StorageNotInitializedError,\n StorageError,\n StorageQuotaError,\n} from './adapter-utils.js';\nimport { warn as logWarn, error as logError } from '../../utils/logger.js';\n\n// NOTE: No default database name - must be provided by caller\n\n/** Database version - increment to force schema upgrade */\nconst DB_VERSION = 3;\n\n/** Object store names */\nconst STORE_STUDENTS = 'students';\nconst STORE_BACKUPS = 'backups';\nconst STORE_AUDIT_LOG = 'auditLog';\n\n/**\n * Backup record with metadata\n */\ninterface BackupRecord extends StudentRecord {\n /** Original storage key */\n originalKey: string;\n /** Backup timestamp */\n timestamp: string;\n}\n\n/**\n * IndexedDB implementation of StorageAdapter\n *\n * Features:\n * - Automatic schema creation with indexes\n * - Atomic transactions\n * - Quota error handling\n * - Backup functionality\n */\nexport class IndexedDBStorageAdapter implements StorageAdapter {\n private db: IDBDatabase | null = null;\n private initPromise: Promise | null = null;\n private dbName: string;\n\n /**\n * Create a new IndexedDB storage adapter\n *\n * @param dbName - Database name (REQUIRED - no default)\n */\n constructor(dbName: string) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for IndexedDBStorageAdapter');\n }\n this.dbName = dbName;\n }\n\n /**\n * Initialize the IndexedDB database\n *\n * Creates object stores and indexes on first run.\n * Safe to call multiple times - will reuse existing connection.\n *\n * @returns Promise that resolves when database is ready\n */\n async init(): Promise {\n // Return existing initialization promise if already in progress\n if (this.initPromise) {\n return this.initPromise;\n }\n\n // If already initialized, return immediately\n if (this.db) {\n return Promise.resolve();\n }\n\n this.initPromise = new Promise((resolve, reject) => {\n // Timeout for hung database operations\n const OPEN_TIMEOUT_MS = 5000;\n let timeoutId: number | undefined;\n let resolved = false;\n\n const cleanup = () => {\n if (timeoutId) {\n clearTimeout(timeoutId);\n timeoutId = undefined;\n }\n };\n\n timeoutId = window.setTimeout(() => {\n if (resolved) return;\n resolved = true;\n this.initPromise = null;\n\n logWarn(`IndexedDB open timed out after ${OPEN_TIMEOUT_MS}ms - attempting recovery`);\n\n // Try to delete and recreate\n const deleteReq = indexedDB.deleteDatabase(this.dbName);\n deleteReq.onsuccess = () => {\n this.init().then(resolve).catch(reject);\n };\n deleteReq.onerror = () => {\n reject(\n new StorageError(\n `Database \"${this.dbName}\" appears corrupted. Please clear site data in browser settings.`,\n 'init',\n ),\n );\n };\n deleteReq.onblocked = () => {\n reject(\n new StorageError(\n `Cannot recover database - close all other tabs with this site and reload.`,\n 'init',\n ),\n );\n };\n }, OPEN_TIMEOUT_MS);\n\n const request = indexedDB.open(this.dbName, DB_VERSION);\n\n request.onerror = () => {\n if (resolved) return;\n resolved = true;\n cleanup();\n logError(`IndexedDB open error: ${request.error?.message || 'unknown'}`);\n this.initPromise = null;\n reject(new StorageError('Failed to open database', 'init', request.error as Error));\n };\n\n request.onblocked = () => {\n logWarn('IndexedDB open blocked - close other tabs with this database');\n };\n\n request.onsuccess = () => {\n if (resolved) return;\n resolved = true;\n cleanup();\n\n this.db = request.result;\n\n // Verify object stores exist - if not, database is corrupted\n if (\n !this.db.objectStoreNames.contains(STORE_STUDENTS) ||\n !this.db.objectStoreNames.contains(STORE_BACKUPS) ||\n !this.db.objectStoreNames.contains(STORE_AUDIT_LOG)\n ) {\n // Database exists but stores missing - delete and recreate\n logWarn(\n `Database corrupted (missing stores). Found: [${Array.from(this.db.objectStoreNames).join(', ')}]`,\n );\n this.db.close();\n this.db = null;\n\n // Delete corrupted database\n const deleteRequest = indexedDB.deleteDatabase(this.dbName);\n deleteRequest.onsuccess = () => {\n // Retry initialization\n this.initPromise = null;\n this.init().then(resolve).catch(reject);\n };\n deleteRequest.onerror = () => {\n this.initPromise = null;\n reject(\n new StorageError(\n 'Failed to delete corrupted database',\n 'init',\n deleteRequest.error as Error,\n ),\n );\n };\n return;\n }\n\n this.initPromise = null;\n resolve();\n };\n\n request.onupgradeneeded = (event) => {\n const db = (event.target as IDBOpenDBRequest).result;\n const transaction = (event.target as IDBOpenDBRequest).transaction;\n\n if (transaction) {\n transaction.onerror = () => {\n logError(`Upgrade transaction error: ${transaction.error?.message || 'unknown'}`);\n };\n transaction.onabort = () => {\n logError(`Upgrade transaction aborted: ${transaction.error?.message || 'unknown'}`);\n };\n }\n\n try {\n // Create students object store\n if (!db.objectStoreNames.contains(STORE_STUDENTS)) {\n const studentsStore = db.createObjectStore(STORE_STUDENTS, { keyPath: null });\n studentsStore.createIndex('by-release', 'release', { unique: false });\n studentsStore.createIndex('by-service-id', 'serviceId', { unique: false });\n }\n\n // Create backups object store\n if (!db.objectStoreNames.contains(STORE_BACKUPS)) {\n const backupsStore = db.createObjectStore(STORE_BACKUPS, { keyPath: null });\n backupsStore.createIndex('by-original-key', 'originalKey', { unique: false });\n backupsStore.createIndex('by-timestamp', 'timestamp', { unique: false });\n }\n\n // Create audit log object store (v3 - PIN reset events)\n if (!db.objectStoreNames.contains(STORE_AUDIT_LOG)) {\n const auditStore = db.createObjectStore(STORE_AUDIT_LOG, {\n keyPath: 'eventId',\n });\n auditStore.createIndex('by-service-id', 'serviceId', { unique: false });\n auditStore.createIndex('by-reset-at', 'resetAt', { unique: false });\n }\n } catch (err) {\n logError('Error during database upgrade', err as Error);\n throw err;\n }\n };\n });\n\n return this.initPromise;\n }\n\n /**\n * Ensure database is initialized before operations\n *\n * @throws StorageNotInitializedError if not initialized\n * @returns Database instance\n */\n private ensureInitialized(): IDBDatabase {\n if (!this.db) {\n throw new StorageNotInitializedError('ensureInitialized');\n }\n return this.db;\n }\n\n /**\n * Get a student record by release and service ID\n *\n * @param release - Release identifier\n * @param serviceId - Service identifier\n * @returns Student record or null if not found\n */\n async getStudent(release: ReleaseId, serviceId: ServiceId): Promise {\n const db = this.ensureInitialized();\n const key = getStorageKey(release, serviceId);\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readonly');\n const store = transaction.objectStore(STORE_STUDENTS);\n const request = store.get(key);\n\n request.onsuccess = () => {\n resolve((request.result as StudentRecord | undefined) || null);\n };\n\n request.onerror = () => {\n reject(\n new StorageError('Failed to get student record', 'getStudent', request.error as Error),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to get student record', 'getStudent', error as Error));\n }\n });\n }\n\n /**\n * Save a student record\n *\n * @param record - Student record to save\n * @throws StorageQuotaError if storage quota exceeded\n */\n async saveStudent(record: StudentRecord): Promise {\n const db = this.ensureInitialized();\n const key = getStorageKey(record.release, record.serviceId);\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readwrite');\n const store = transaction.objectStore(STORE_STUDENTS);\n const request = store.put(record, key);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n // Check for quota errors\n if (request.error?.name === 'QuotaExceededError') {\n reject(new StorageQuotaError('saveStudent'));\n } else {\n reject(\n new StorageError(\n 'Failed to save student record',\n 'saveStudent',\n request.error as Error,\n ),\n );\n }\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed while saving student',\n 'saveStudent',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to save student record', 'saveStudent', error as Error));\n }\n });\n }\n\n /**\n * Get all students for a specific release\n *\n * Uses the by-release index for efficient queries.\n *\n * @param release - Release identifier\n * @returns Array of student records (empty if none found)\n */\n async getStudentsByRelease(release: ReleaseId): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_STUDENTS, 'readonly');\n const store = transaction.objectStore(STORE_STUDENTS);\n const index = store.index('by-release');\n const request = index.getAll(release);\n\n request.onsuccess = () => {\n resolve(request.result || []);\n };\n\n request.onerror = () => {\n reject(\n new StorageError(\n 'Failed to get students by release',\n 'getStudentsByRelease',\n request.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(\n new StorageError(\n 'Failed to get students by release',\n 'getStudentsByRelease',\n error as Error,\n ),\n );\n }\n });\n }\n\n /**\n * Clear all data from the database\n *\n * Removes both students and backups in a single atomic transaction.\n */\n async clearAll(): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(\n [STORE_STUDENTS, STORE_BACKUPS, STORE_AUDIT_LOG],\n 'readwrite',\n );\n\n const studentsStore = transaction.objectStore(STORE_STUDENTS);\n const backupsStore = transaction.objectStore(STORE_BACKUPS);\n const auditStore = transaction.objectStore(STORE_AUDIT_LOG);\n\n const clearStudentsRequest = studentsStore.clear();\n const clearBackupsRequest = backupsStore.clear();\n const clearAuditRequest = auditStore.clear();\n\n let studentsCleared = false;\n let backupsCleared = false;\n let auditCleared = false;\n\n clearStudentsRequest.onsuccess = () => {\n studentsCleared = true;\n if (backupsCleared && auditCleared) {\n resolve();\n }\n };\n\n clearBackupsRequest.onsuccess = () => {\n backupsCleared = true;\n if (studentsCleared && auditCleared) {\n resolve();\n }\n };\n\n clearAuditRequest.onsuccess = () => {\n auditCleared = true;\n if (studentsCleared && backupsCleared) {\n resolve();\n }\n };\n\n clearStudentsRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear students',\n 'clearAll',\n clearStudentsRequest.error as Error,\n ),\n );\n };\n\n clearBackupsRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear backups',\n 'clearAll',\n clearBackupsRequest.error as Error,\n ),\n );\n };\n\n clearAuditRequest.onerror = () => {\n reject(\n new StorageError(\n 'Failed to clear audit log',\n 'clearAll',\n clearAuditRequest.error as Error,\n ),\n );\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed during clearAll',\n 'clearAll',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to clear all data', 'clearAll', error as Error));\n }\n });\n }\n\n /**\n * Create a backup of a student record\n *\n * Backup key format: backup_{timestamp}_{serviceId}\n *\n * @param record - Student record to backup\n * @throws StorageQuotaError if storage quota exceeded\n */\n async backup(record: StudentRecord): Promise {\n const db = this.ensureInitialized();\n const timestamp = new Date().toISOString();\n const backupKey = `backup_${timestamp}_${record.serviceId}`;\n const originalKey = getStorageKey(record.release, record.serviceId);\n\n const backupRecord: BackupRecord = {\n ...record,\n originalKey,\n timestamp,\n };\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_BACKUPS, 'readwrite');\n const store = transaction.objectStore(STORE_BACKUPS);\n const request = store.put(backupRecord, backupKey);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n // Check for quota errors\n if (request.error?.name === 'QuotaExceededError') {\n reject(new StorageQuotaError('backup'));\n } else {\n reject(new StorageError('Failed to create backup', 'backup', request.error as Error));\n }\n };\n\n transaction.onerror = () => {\n reject(\n new StorageError(\n 'Transaction failed during backup',\n 'backup',\n transaction.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to create backup', 'backup', error as Error));\n }\n });\n }\n\n /**\n * Save a PIN reset event to the audit log\n *\n * @param event - PIN reset event to log\n */\n async saveAuditEvent(event: PinResetEvent): Promise {\n const db = this.ensureInitialized();\n\n return new Promise((resolve, reject) => {\n try {\n const transaction = db.transaction(STORE_AUDIT_LOG, 'readwrite');\n const store = transaction.objectStore(STORE_AUDIT_LOG);\n const request = store.add(event);\n\n request.onsuccess = () => {\n resolve();\n };\n\n request.onerror = () => {\n reject(\n new StorageError(\n 'Failed to save audit event',\n 'saveAuditEvent',\n request.error as Error,\n ),\n );\n };\n } catch (error) {\n reject(new StorageError('Failed to save audit event', 'saveAuditEvent', error as Error));\n }\n });\n }\n\n /**\n * Close the database connection\n *\n * Useful for cleanup in tests and application shutdown.\n */\n close(): void {\n if (this.db) {\n this.db.close();\n this.db = null;\n this.initPromise = null;\n }\n }\n}\n\n/**\n * Singleton storage adapter instance\n */\nlet storageInstance: IndexedDBStorageAdapter | null = null;\nlet currentDbName: string | null = null;\n\n/**\n * Get the singleton storage adapter instance\n *\n * Creates a new instance on first call, reuses it thereafter.\n * If dbName changes, closes old instance and creates new one.\n *\n * @param dbName - Database name (REQUIRED - no default)\n * @returns IndexedDB storage adapter\n */\nexport function getStorageAdapter(dbName: string): IndexedDBStorageAdapter {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for getStorageAdapter()');\n }\n\n // If dbName changed, close old instance and create new one\n if (storageInstance && currentDbName !== dbName) {\n storageInstance.close();\n storageInstance = null;\n }\n\n if (!storageInstance) {\n storageInstance = new IndexedDBStorageAdapter(dbName);\n currentDbName = dbName;\n }\n return storageInstance;\n}\n\n/**\n * Reset the singleton instance\n *\n * Useful for testing to ensure clean state between tests.\n */\nexport function resetStorageAdapter(): void {\n if (storageInstance) {\n storageInstance.close();\n storageInstance = null;\n currentDbName = null;\n }\n}\n","/**\n * Completion State Calculator\n *\n * Functions for calculating page completion states based on answer data.\n *\n * State Rules (from CLAUDE.md):\n * - unstarted: No answers provided\n * - incomplete: Some answered OR any incorrect\n * - complete: All answered AND all correct\n */\n\nimport type { AnswerRecord, CompletionState } from '../types/contracts.js';\n\n/**\n * Calculate the completion state for a page\n *\n * @param answers - Array of answer records for the page\n * @param totalQuestions - Total number of questions on the page\n * @returns Completion state (unstarted | incomplete | complete)\n *\n * @example\n * ```typescript\n * const answers = [\n * { answer: 'a', success: true, timestamp: '2024-11-16T10:00:00Z' },\n * { answer: 'b', success: false, timestamp: '2024-11-16T10:01:00Z' },\n * ];\n * const state = calculateCompletionState(answers, 3); // 'incomplete' (not all answered)\n * ```\n */\nexport function calculateCompletionState(\n answers: AnswerRecord[],\n totalQuestions: number,\n): CompletionState {\n // Handle edge case: no questions\n if (totalQuestions === 0) {\n return 'unstarted';\n }\n\n // Check if unstarted\n if (isPageUnstarted(answers)) {\n return 'unstarted';\n }\n\n // Check if complete\n if (isPageComplete(answers, totalQuestions)) {\n return 'complete';\n }\n\n // Otherwise, it's incomplete\n return 'incomplete';\n}\n\n/**\n * Check if a page is complete\n *\n * A page is complete when:\n * - All questions are answered\n * - All answered questions are correct\n *\n * @param answers - Array of answer records\n * @param totalQuestions - Total number of questions\n * @returns True if page is complete\n */\nexport function isPageComplete(answers: AnswerRecord[], totalQuestions: number): boolean {\n // Must have answered all questions\n if (answers.length !== totalQuestions) {\n return false;\n }\n\n // All answers must be correct\n return answers.every((answer) => answer.success === true);\n}\n\n/**\n * Check if a page is unstarted\n *\n * A page is unstarted when no answers have been provided.\n *\n * @param answers - Array of answer records\n * @returns True if page is unstarted\n */\nexport function isPageUnstarted(answers: AnswerRecord[]): boolean {\n return answers.length === 0;\n}\n\n/**\n * Count the number of correct answers\n *\n * @param answers - Array of answer records\n * @returns Number of correct answers\n */\nexport function countCorrectAnswers(answers: AnswerRecord[]): number {\n return answers.filter((answer) => answer.success === true).length;\n}\n\n/**\n * Calculate success percentage\n *\n * @param answers - Array of answer records\n * @param totalQuestions - Total number of questions\n * @returns Percentage of correct answers (0-100)\n *\n * @example\n * ```typescript\n * const answers = [\n * { answer: 'a', success: true, timestamp: '...' },\n * { answer: 'b', success: false, timestamp: '...' },\n * { answer: 'c', success: true, timestamp: '...' },\n * ];\n * const percentage = calculateSuccessPercentage(answers, 3); // 67 (2 out of 3 correct)\n * ```\n */\nexport function calculateSuccessPercentage(\n answers: AnswerRecord[],\n totalQuestions: number,\n): number {\n if (totalQuestions === 0) {\n return 0;\n }\n\n const correct = countCorrectAnswers(answers);\n return Math.round((correct / totalQuestions) * 100);\n}\n","/**\n * Storage Service\n *\n * Coordinates between IndexedDB persistence and sessionStorage cache.\n * Provides high-level operations for loading/saving student records.\n */\n\nimport type {\n StudentRecord,\n SessionData,\n SessionCache,\n PageData,\n PageId,\n ReleaseId,\n AnswerRecord,\n} from '../types/contracts.js';\nimport { getStorageAdapter } from './storage/indexeddb.js';\nimport { buildCacheFromRecord } from './session.js';\nimport { calculateCompletionState } from './state-calculator.js';\nimport { recalculateTotalsFromPages } from '../utils/calculation-helpers.js';\nimport { info, warn, error as logError } from '../utils/logger.js';\n\n/**\n * Storage Service for managing student records\n */\nexport class StorageService {\n private adapter;\n private dbName: string;\n\n /**\n * Create storage service with specified database name\n *\n * @param dbName - IndexedDB database name (REQUIRED - no default)\n */\n constructor(dbName: string) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for StorageService');\n }\n this.dbName = dbName;\n this.adapter = getStorageAdapter(dbName);\n }\n\n /**\n * Initialize IndexedDB storage\n */\n async init(): Promise {\n try {\n await this.adapter.init();\n info(`Storage service initialized (IndexedDB \"${this.dbName}\" ready)`);\n } catch (err) {\n logError('Failed to initialize storage service', err as Error);\n throw err;\n }\n }\n\n /**\n * Load student record from IndexedDB\n *\n * Creates a new record if none exists.\n *\n * @param session - Current session data\n * @returns Student record\n */\n async loadStudentRecord(session: SessionData): Promise {\n try {\n const existing = await this.adapter.getStudent(session.release, session.serviceId);\n\n if (existing) {\n info(`Loaded student record for ${session.serviceId} from IndexedDB`);\n return existing;\n }\n\n // Create new student record\n const newRecord: StudentRecord = {\n schema: 1,\n docId: session.release, // Use release as docId\n release: session.release,\n serviceId: session.serviceId,\n name: session.name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n\n info(`Created new student record for ${session.serviceId}`);\n return newRecord;\n } catch (err) {\n // If IndexedDB has schema issues, create a new record\n warn(`IndexedDB error, creating new record: ${(err as Error).message}`);\n const newRecord: StudentRecord = {\n schema: 1,\n docId: session.release,\n release: session.release,\n serviceId: session.serviceId,\n name: session.name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n };\n return newRecord;\n }\n }\n\n /**\n * Save student record to IndexedDB\n *\n * @param record - Student record to save\n */\n async saveStudentRecord(record: StudentRecord): Promise {\n try {\n // Update timestamp\n record.updated = new Date().toISOString();\n\n // Recalculate totals from pages using calculation helper\n const totals = recalculateTotalsFromPages(record.pages);\n record.attempted = totals.attempted;\n record.correct = totals.correct;\n\n await this.adapter.saveStudent(record);\n info(`Saved student record for ${record.serviceId} to IndexedDB`);\n } catch (err) {\n logError('Failed to save student record', err as Error);\n throw err;\n }\n }\n\n /**\n * Update student record with a new answer\n *\n * @param record - Current student record\n * @param pageId - Page where answer was submitted\n * @param questionIndex - Question index (0-based)\n * @param answer - Answer record\n * @param totalQuestions - Total questions on the page\n * @returns Updated student record\n */\n updateRecordWithAnswer(\n record: StudentRecord,\n pageId: PageId,\n questionIndex: number,\n answer: AnswerRecord,\n totalQuestions: number,\n ): StudentRecord {\n // Get or create page data\n const existingPage = record.pages[pageId];\n const pageData: PageData = existingPage || {\n answers: [],\n state: 'unstarted',\n };\n\n // Ensure answers array is large enough\n while (pageData.answers.length <= questionIndex) {\n pageData.answers.push({\n answer: '',\n success: false,\n timestamp: new Date().toISOString(),\n });\n }\n\n // Update answer at index (FR-015: overwrites previous answer for re-submissions)\n // Only the most recent answer is stored, with updated timestamp\n pageData.answers[questionIndex] = answer;\n\n // Update timestamps\n const now = new Date().toISOString();\n if (!pageData.firstAttempted) {\n pageData.firstAttempted = now;\n }\n pageData.lastAttempted = now;\n\n // Recalculate state\n pageData.state = calculateCompletionState(pageData.answers, totalQuestions);\n\n // Update record\n return {\n ...record,\n pages: {\n ...record.pages,\n [pageId]: pageData,\n },\n };\n }\n\n /**\n * Build session cache from student record\n *\n * @param record - Student record\n * @returns Session cache\n */\n buildCache(record: StudentRecord): SessionCache {\n return buildCacheFromRecord(record);\n }\n\n /**\n * Get all students for a release\n *\n * @param release - Release identifier\n * @returns Array of student records\n */\n async getStudentsByRelease(release: ReleaseId): Promise {\n try {\n return await this.adapter.getStudentsByRelease(release);\n } catch (err) {\n logError('Failed to get students by release', err as Error);\n throw err;\n }\n }\n\n /**\n * Clear all data from IndexedDB\n */\n async clearAll(): Promise {\n try {\n await this.adapter.clearAll();\n info('Cleared all data from IndexedDB');\n } catch (err) {\n logError('Failed to clear all data', err as Error);\n throw err;\n }\n }\n\n /**\n * Create backup of student record\n *\n * @param record - Student record to backup\n */\n async backup(record: StudentRecord): Promise {\n try {\n await this.adapter.backup(record);\n info(`Created backup for ${record.serviceId}`);\n } catch (err) {\n warn(`Failed to create backup for ${record.serviceId}`, err);\n }\n }\n}\n\n// ============================================================================\n// SINGLETON PATTERN\n// ============================================================================\n\nlet storageServiceInstance: StorageService | null = null;\nlet currentServiceDbName: string | null = null;\n\n/**\n * Get singleton storage service instance\n *\n * @param dbName - IndexedDB database name (optional, uses existing instance if available)\n */\nexport function getStorageService(dbName?: string): StorageService {\n // If instance exists and no dbName specified, return existing\n if (storageServiceInstance && !dbName) {\n return storageServiceInstance;\n }\n\n // If dbName specified and different, warn but return existing (don't break app)\n if (storageServiceInstance && dbName && currentServiceDbName !== dbName) {\n warn(\n `Storage service already initialized with dbName=\"${currentServiceDbName}\", ignoring new dbName=\"${dbName}\"`,\n );\n return storageServiceInstance;\n }\n\n // Create new instance if none exists\n if (!storageServiceInstance) {\n if (!dbName) {\n throw new Error('FATAL: dbName is required for first getStorageService() call');\n }\n storageServiceInstance = new StorageService(dbName);\n currentServiceDbName = dbName;\n }\n\n return storageServiceInstance;\n}\n\n/**\n * Reset singleton (for testing)\n */\nexport function resetStorageService(): void {\n storageServiceInstance = null;\n currentServiceDbName = null;\n}\n","/**\n * Quiz Table Enhancer\n *\n * Implements single-phase progressive enhancement for quiz tables.\n * Replaces the old two-phase (prepare/activate) pattern with a simpler\n * conditional approach based on interactive flag.\n *\n * Features:\n * - Non-interactive mode: Hide answer column for security\n * - Interactive mode: Inject input controls, validation, auto-save\n * - Uses WeakMap for metadata (not DOM attributes)\n * - Debounced auto-save to prevent excessive writes\n * - Event emission for state changes\n */\n\nimport type {\n ParsedQuizTable,\n QuizQuestion,\n AnswerRecord,\n PageId,\n SessionData,\n SessionCache,\n} from '../types/contracts.js';\nimport { parseQuizTable } from '../services/quiz-parser.js';\nimport { validateAnswer } from '../services/quiz-parser.js';\nimport { registerPageQuestions } from '../services/session.js';\nimport { getQuestionInputSpec } from '../services/question-input.js';\nimport { formatStudentAnswersForDisplay } from '../services/answer-display.js';\nimport { Debouncer } from '../utils/debouncer.js';\nimport { createElement, addClass, removeClass } from '../utils/dom-helpers.js';\nimport { emitCustomEvent } from '../utils/event-helpers.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info, error as logError, warn } from '../utils/logger.js';\nimport { getStorageService } from '../services/storage-service.js';\n\n/**\n * Enhancement options\n */\nexport interface EnhanceQuizTableOptions {\n /** Whether to enable interactive controls */\n interactive: boolean;\n /** Current page ID (required for interactive mode) */\n pageId?: PageId;\n}\n\n/**\n * Quiz table metadata (stored in WeakMap)\n */\ninterface QuizTableMetadata {\n /** Parsed quiz data */\n parsed: ParsedQuizTable;\n /** Enhancement mode */\n interactive: boolean;\n /** Page ID (if interactive) */\n pageId?: PageId;\n /** Row input elements (if interactive) - can be text inputs or select dropdowns */\n inputs?: (HTMLInputElement | HTMLSelectElement)[];\n /** Debouncer for auto-save */\n debouncer?: Debouncer;\n /** Cleanup function for instructor event listeners */\n cleanupInstructorListeners?: () => void;\n}\n\n// WeakMap to store table metadata without polluting DOM\nconst tableMetadata = new WeakMap();\n\n/**\n * Enhance a quiz table with single-phase enhancement\n *\n * @param table - The quiz table element\n * @param options - Enhancement options\n * @returns true if enhancement succeeded, false if errors occurred\n *\n * @example\n * ```typescript\n * // Non-interactive mode (hide answers)\n * const table = document.querySelector('table.qd-quiz');\n * if (table) {\n * enhanceQuizTable(table, { interactive: false });\n * }\n *\n * // Interactive mode (inject controls)\n * enhanceQuizTable(table, { interactive: true, pageId: 'gram-1' });\n * ```\n */\nexport function enhanceQuizTable(\n table: HTMLTableElement,\n options: EnhanceQuizTableOptions,\n): boolean {\n // Check if already enhanced\n const existing = tableMetadata.get(table);\n let parsed: ParsedQuizTable;\n\n if (existing) {\n // If upgrading from non-interactive to interactive, proceed\n if (!existing.interactive && options.interactive) {\n info('Upgrading quiz table from non-interactive to interactive mode');\n // Reuse existing parsed data (answers already extracted before clearing DOM)\n parsed = existing.parsed;\n } else {\n // Already enhanced in same or higher mode, skip\n info('Quiz table already enhanced, skipping');\n return true;\n }\n } else {\n // Parse the table (first enhancement)\n parsed = parseQuizTable(table);\n\n // Check for parsing errors\n if (parsed.errors && parsed.errors.length > 0) {\n logError('Quiz table has validation errors:', parsed.errors);\n // Still continue enhancement to show errors visually\n }\n }\n\n // Store metadata in WeakMap\n const metadata: QuizTableMetadata = {\n parsed,\n interactive: options.interactive,\n pageId: options.pageId,\n };\n\n if (options.interactive) {\n // Validate pageId is provided for interactive mode\n if (!options.pageId) {\n logError('Interactive mode requires pageId option');\n return false;\n }\n\n info(`Preparing interactive enhancement for pageId: ${options.pageId}`);\n\n // Initialize debouncer for auto-save\n metadata.debouncer = new Debouncer();\n metadata.inputs = [];\n }\n\n tableMetadata.set(table, metadata);\n\n // Apply enhancement based on mode\n if (options.interactive) {\n const result = enhanceInteractive(table, metadata);\n if (result) {\n info(`Interactive enhancement succeeded for table with ${parsed.questions.length} questions`);\n } else {\n logError('Interactive enhancement failed');\n }\n return result;\n } else {\n return enhanceNonInteractive(table);\n }\n}\n\n/**\n * Enhance table in non-interactive mode\n * - Hide answer column (security: don't show correct answers before login)\n * - Hide detail column (security: don't show MCQ options or tolerances before login)\n *\n * @param table - Quiz table element\n * @returns true if successful\n */\nfunction enhanceNonInteractive(table: HTMLTableElement): boolean {\n // Remove colgroup to allow auto-sizing of columns\n removeColgroup(table);\n\n // Hide answer column (column index 1) - security: hide correct answers before login\n hideAnswerColumn(table);\n\n // Hide detail column (column index 2) - security: hide MCQ options/tolerances\n hideDetailColumn(table);\n\n addClass(table, 'qd-quiz-non-interactive');\n info('Quiz table enhanced in non-interactive mode');\n\n return true;\n}\n\n/**\n * Enhance table in interactive mode\n * - Inject input controls for each question\n * - Setup validation and auto-save\n * - Load existing answers from storage\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @returns true if successful\n */\nfunction enhanceInteractive(table: HTMLTableElement, metadata: QuizTableMetadata): boolean {\n const { parsed, pageId, debouncer } = metadata;\n\n if (!pageId || !debouncer) {\n logError('Interactive mode requires pageId and debouncer');\n return false;\n }\n\n // Show answer column (remove qd-hidden class from non-interactive mode)\n showAnswerColumn(table);\n\n // Hide detail column in interactive mode\n // - MCQ options are now in the select dropdown\n // - Numeric tolerance is applied automatically\n hideDetailColumn(table);\n\n // Get session data\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return false;\n }\n\n // Get session cache\n let cache = getJSON(STORAGE_KEYS.CACHE);\n if (!cache) {\n info('No cache found, creating empty cache');\n cache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n } else {\n info(\n `Cache loaded: ${cache.totals.total} total questions, ${Object.keys(cache.pages).length} pages`,\n );\n }\n\n // Register page questions (updates total count in cache)\n const totalQuestions = parsed.questions.length;\n cache = registerPageQuestions(cache, pageId, totalQuestions);\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n const pageCache = cache?.pages[pageId];\n const existingAnswers = pageCache?.answers || [];\n info(\n `Page ${pageId}: ${existingAnswers.length} existing answers, state: ${pageCache?.state || 'none'}`,\n );\n\n // Get all tbody rows\n const tbody = table.querySelector('tbody');\n if (!tbody) {\n logError('Quiz table has no tbody element');\n return false;\n }\n\n const rows = Array.from(tbody.querySelectorAll('tr'));\n const inputs: (HTMLInputElement | HTMLSelectElement)[] = [];\n\n // Inject controls for each question\n parsed.questions.forEach((question, index) => {\n const row = rows[index];\n if (!row) return;\n\n const cells = Array.from(row.querySelectorAll('td'));\n if (cells.length !== 3) return;\n\n const questionCell = cells[0];\n const answerCell = cells[1];\n\n if (!questionCell || !answerCell) return;\n\n // Get existing answer for this question\n const existingAnswer = existingAnswers[index];\n if (existingAnswer && existingAnswer.answer) {\n info(\n `Q${index + 1}: Pre-filling with \"${existingAnswer.answer}\" (${existingAnswer.success ? 'correct' : 'incorrect'})`,\n );\n }\n\n // Create input control based on question type\n const input = createQuestionInput(question, existingAnswer);\n inputs.push(input);\n\n // Clear answer cell and inject input\n answerCell.textContent = '';\n answerCell.appendChild(input);\n\n // Apply validation styling if answer exists\n if (existingAnswer) {\n applyValidationStyling(answerCell, existingAnswer.success);\n }\n\n // Setup auto-save on input change\n // Use 'change' for select elements (MCQ), 'input' for text inputs (numeric)\n const eventType = input.tagName === 'SELECT' ? 'change' : 'input';\n input.addEventListener(eventType, () => {\n handleAnswerInput(table, metadata, index, input.value);\n });\n });\n\n // Store input references\n metadata.inputs = inputs;\n\n // Setup instructor answer display listeners\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if instructor mode with toggle already enabled\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (isInstructor && showAnswers) {\n void showStudentAnswersForTable(table, metadata);\n }\n\n // Add logout listener to clear student-specific UI state (FR-001, FR-002)\n const logoutHandler = () => {\n // Clear student-specific color-coded feedback\n const answerCells = table.querySelectorAll('td.qd-answer-correct, td.qd-answer-incorrect');\n answerCells.forEach((cell) => {\n removeClass(cell, 'qd-answer-correct', 'qd-answer-incorrect');\n });\n\n // Clear any displayed student answers\n hideStudentAnswersForTable(table);\n\n info('Cleared student UI state from quiz table on logout');\n };\n\n document.addEventListener('qd:logout', logoutHandler);\n\n // Store cleanup function in metadata\n metadata.cleanupInstructorListeners = () => {\n document.removeEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.removeEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n document.removeEventListener('qd:logout', logoutHandler);\n };\n\n addClass(table, 'qd-quiz-interactive');\n info(`Quiz table enhanced in interactive mode for page ${pageId}`);\n\n return true;\n}\n\n/**\n * Create input control for a question\n *\n * For MCQ questions: Creates a dropdown with options\n * For numeric questions: Creates a text input\n *\n * Uses getQuestionInputSpec() for pure logic, then creates DOM elements.\n *\n * @param question - Quiz question\n * @param existingAnswer - Existing answer if any\n * @returns Input or select element\n */\nfunction createQuestionInput(\n question: QuizQuestion,\n existingAnswer?: AnswerRecord,\n): HTMLInputElement | HTMLSelectElement {\n const spec = getQuestionInputSpec(question, existingAnswer);\n\n if (spec.type === 'select') {\n // Create select dropdown for MCQ\n const select = createElement('select');\n select.className = spec.className;\n\n // Add placeholder option\n const placeholderOption = createElement('option');\n placeholderOption.value = '';\n placeholderOption.textContent = spec.placeholder;\n placeholderOption.disabled = true;\n select.appendChild(placeholderOption);\n\n // Add options from spec\n if (spec.options) {\n spec.options.forEach((opt) => {\n const option = createElement('option');\n option.value = opt.value;\n option.textContent = opt.text;\n select.appendChild(option);\n });\n }\n\n // Set value from spec\n select.value = spec.value;\n\n return select;\n } else {\n // Create text input for numeric questions\n const input = createElement('input');\n input.type = spec.type;\n input.className = spec.className;\n input.placeholder = spec.placeholder;\n input.value = spec.value;\n\n return input;\n }\n}\n\n/**\n * Handle user answer input\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @param questionIndex - Question index\n * @param answer - User's answer\n */\nfunction handleAnswerInput(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n questionIndex: number,\n answer: string,\n): void {\n const { debouncer, pageId, parsed } = metadata;\n\n if (!debouncer || !pageId) {\n return;\n }\n\n const question = parsed.questions[questionIndex];\n if (!question) {\n return;\n }\n\n // Debounce the save operation (200ms delay)\n debouncer.debounce(\n `save-answer-${questionIndex}`,\n () => {\n void saveAnswer(table, metadata, questionIndex, answer);\n },\n 200,\n );\n}\n\n/**\n * Save answer to storage and update UI\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n * @param questionIndex - Question index\n * @param answer - User's answer\n */\nasync function saveAnswer(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n questionIndex: number,\n answer: string,\n): Promise {\n const { pageId, parsed, inputs } = metadata;\n\n if (!pageId || !inputs) {\n return;\n }\n\n const question = parsed.questions[questionIndex];\n if (!question) {\n return;\n }\n\n // Get session\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return;\n }\n\n // Validate answer\n const success = validateAnswer(question, answer);\n\n // Create answer record\n const answerRecord: AnswerRecord = {\n answer: answer.trim(),\n success,\n timestamp: new Date().toISOString(),\n };\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n } catch (err) {\n warn('Failed to load student record, answer not saved', err);\n return;\n }\n\n // Update record with new answer\n const totalQuestions = parsed.questions.length;\n const updatedRecord = storageService.updateRecordWithAnswer(\n studentRecord,\n pageId,\n questionIndex,\n answerRecord,\n totalQuestions,\n );\n\n // Save updated record to IndexedDB\n try {\n await storageService.saveStudentRecord(updatedRecord);\n } catch (err) {\n warn('Failed to save student record to IndexedDB', err);\n }\n\n // Build cache from updated record\n const cache = storageService.buildCache(updatedRecord);\n\n // Save cache to sessionStorage for quick access\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n // Apply validation styling\n const row = table.querySelector(`tbody tr:nth-child(${questionIndex + 1})`);\n if (row) {\n const answerCell = row.querySelector('td:nth-child(2)');\n if (answerCell) {\n applyValidationStyling(answerCell, success);\n }\n }\n\n // Emit events\n emitCustomEvent('qd:answer-saved', {\n pageId,\n answer: answerRecord,\n });\n\n const pageData = updatedRecord.pages[pageId];\n if (pageData) {\n emitCustomEvent('qd:state-changed', {\n pageId,\n state: pageData.state,\n });\n }\n\n info(\n `Answer saved for question ${questionIndex + 1} on page ${pageId}: ${success ? 'correct' : 'incorrect'}`,\n );\n}\n\n/**\n * Apply validation styling to answer cell\n *\n * @param cell - Answer cell element\n * @param success - Whether answer is correct\n */\nfunction applyValidationStyling(cell: Element, success: boolean): void {\n removeClass(cell, 'qd-answer-correct', 'qd-answer-incorrect');\n addClass(cell, success ? 'qd-answer-correct' : 'qd-answer-incorrect');\n}\n\n/**\n * Remove colgroup element to allow automatic column sizing\n *\n * Fixed column widths (e.g., 40%/10%/50%) don't work well when\n * columns are hidden or contain interactive controls. Removing\n * the colgroup lets the browser auto-size based on content.\n *\n * @param table - Quiz table element\n */\nfunction removeColgroup(table: HTMLTableElement): void {\n const colgroup = table.querySelector('colgroup');\n if (colgroup) {\n colgroup.remove();\n }\n}\n\n/**\n * Hide answer column (column index 1)\n *\n * SECURITY: Removes correct answers from DOM to prevent inspection via DevTools/view-source.\n * Answers are already parsed and stored in memory (WeakMap), so they're available for\n * validation when needed but not exposed in the DOM.\n *\n * @param table - Quiz table element\n */\nfunction hideAnswerColumn(table: HTMLTableElement): void {\n // Hide header cell (Answer is column 1)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[1]) {\n addClass(headerCells[1], 'qd-hidden');\n }\n\n // Hide answer cells and REMOVE content from DOM (security)\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[1]) {\n addClass(cells[1], 'qd-hidden');\n cells[1].textContent = ''; // Remove answer from DOM\n }\n });\n}\n\n/**\n * Show answer column (column index 1) for interactive mode\n *\n * Removes qd-hidden class to reveal answer cells with input controls.\n * Called when upgrading from non-interactive to interactive mode.\n *\n * @param table - Quiz table element\n */\nfunction showAnswerColumn(table: HTMLTableElement): void {\n // Show header cell (Answer is column 1)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[1]) {\n removeClass(headerCells[1], 'qd-hidden');\n }\n\n // Show answer cells in all rows\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[1]) {\n removeClass(cells[1], 'qd-hidden');\n }\n });\n}\n\n/**\n * Hide detail column (column index 2)\n *\n * Hides the Detail column which contains MCQ options or numeric tolerances.\n * This prevents users from seeing answer options before logging in.\n *\n * @param table - Quiz table element\n */\nfunction hideDetailColumn(table: HTMLTableElement): void {\n // Hide header cell (Detail is column 2)\n const headerCells = table.querySelectorAll('thead th, thead td');\n if (headerCells[2]) {\n addClass(headerCells[2], 'qd-hidden');\n }\n\n // Hide detail cells in all rows\n const rows = table.querySelectorAll('tbody tr');\n rows.forEach((row) => {\n const cells = row.querySelectorAll('td');\n if (cells[2]) {\n addClass(cells[2], 'qd-hidden');\n }\n });\n}\n\n/**\n * Get quiz table metadata\n *\n * @param table - Quiz table element\n * @returns Metadata if table has been enhanced, undefined otherwise\n */\nexport function getQuizTableMetadata(table: HTMLTableElement): QuizTableMetadata | undefined {\n return tableMetadata.get(table);\n}\n\n/**\n * Check if table is enhanced\n *\n * @param table - Quiz table element\n * @returns true if table has been enhanced\n */\nexport function isQuizTableEnhanced(table: HTMLTableElement): boolean {\n return tableMetadata.has(table);\n}\n\n/**\n * Reset quiz table to non-interactive mode\n * Called on logout to allow re-enhancement on next login\n *\n * @param table - Quiz table element\n */\nexport function resetQuizTableToNonInteractive(table: HTMLTableElement): void {\n const metadata = tableMetadata.get(table);\n if (!metadata) return;\n\n // Update metadata to mark as non-interactive\n metadata.interactive = false;\n metadata.pageId = undefined;\n metadata.inputs = undefined;\n\n // Cleanup event listeners if they exist\n metadata.cleanupInstructorListeners?.();\n metadata.cleanupInstructorListeners = undefined;\n\n // Hide answer and detail columns\n hideAnswerColumn(table);\n hideDetailColumn(table);\n\n // Remove interactive class\n removeClass(table, 'qd-quiz-interactive');\n\n info('Quiz table reset to non-interactive mode');\n}\n\n/**\n * Show student answers for all questions in table (instructor mode)\n *\n * @param table - Quiz table element\n * @param metadata - Table metadata\n */\nexport async function showStudentAnswersForTable(\n table: HTMLTableElement,\n metadata: QuizTableMetadata,\n): Promise {\n const { pageId, parsed } = metadata;\n if (!pageId) return;\n\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n // Get storage service to load all student records\n const storageService = getStorageService();\n\n try {\n // Load all student records for current release\n const students = await storageService.getStudentsByRelease(session.release);\n\n // Check if there are any students\n if (students.length === 0) {\n info('No student data available for this release');\n alert(\n 'No student data available for this release. Students need to log in and answer questions first.',\n );\n return;\n }\n\n // Get tbody rows\n const tbody = table.querySelector('tbody');\n if (!tbody) return;\n\n const rows = Array.from(tbody.querySelectorAll('tr'));\n\n // For each question, collect student answers and display using formatStudentAnswersForDisplay\n parsed.questions.forEach((_question, questionIndex) => {\n const row = rows[questionIndex];\n if (!row) return;\n\n const cells = Array.from(row.querySelectorAll('td'));\n const answerCell = cells[1];\n if (!answerCell) return;\n\n // Remove any existing student answers display\n const existingDisplay = answerCell.querySelector('.qd-student-answers');\n if (existingDisplay) {\n existingDisplay.remove();\n }\n\n // Use pure helper function to format student answers\n const studentAnswers = formatStudentAnswersForDisplay(students, pageId, questionIndex);\n\n // Create display element from formatted data\n if (studentAnswers.length > 0) {\n const display = document.createElement('div');\n display.className = 'qd-student-answers';\n\n studentAnswers.forEach((sa) => {\n const answerDiv = document.createElement('div');\n answerDiv.className = `qd-student-answer ${sa.cssClass}`;\n\n // Format: Name (last 4 of serviceId): answer [timestamp] (FR-007: 24-hour format)\n answerDiv.innerHTML = `\n ${sa.name} (${sa.maskedServiceId}):\n ${sa.answer}\n ${sa.formattedTimestamp}\n `;\n\n display.appendChild(answerDiv);\n });\n\n answerCell.appendChild(display);\n }\n });\n\n info(`Displayed student answers for ${students.length} students on page ${pageId}`);\n } catch (err) {\n logError('Failed to load student answers', err as Error);\n }\n}\n\n/**\n * Hide student answers for all questions in table\n *\n * @param table - Quiz table element\n */\nexport function hideStudentAnswersForTable(table: HTMLTableElement): void {\n const displays = table.querySelectorAll('.qd-student-answers');\n displays.forEach((display) => display.remove());\n info('Hid student answers from quiz table');\n}\n","/**\n * Question Input Service\n *\n * Pure functions for generating question input specifications.\n * No DOM dependencies - returns data structures that can be tested\n * without browser environment.\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport type { QuizQuestion, AnswerRecord } from '../types/contracts.js';\n\n/**\n * Option specification for MCQ dropdowns\n */\nexport interface OptionSpec {\n value: string;\n text: string;\n}\n\n/**\n * Specification for rendering a question input\n */\nexport interface QuestionInputSpec {\n /** Input type: 'select' for MCQ, 'text' for numeric */\n type: 'select' | 'text';\n /** CSS class name */\n className: string;\n /** Placeholder text */\n placeholder: string;\n /** Current value (from existing answer or empty) */\n value: string;\n /** Options for select (MCQ only) */\n options?: OptionSpec[];\n}\n\n/**\n * Get input specification for a quiz question\n *\n * Returns a data structure describing how to render the input,\n * without creating DOM elements.\n *\n * @param question - Quiz question configuration\n * @param existingAnswer - Existing answer record (optional)\n * @returns Input specification\n */\nexport function getQuestionInputSpec(\n question: QuizQuestion,\n existingAnswer?: AnswerRecord,\n): QuestionInputSpec {\n if (question.kind === 'mcq') {\n // MCQ question - select dropdown\n const options: OptionSpec[] = (question.options || []).map((optionText, index) => ({\n value: String(index + 1), // 1-indexed\n text: `${index + 1}. ${optionText}`,\n }));\n\n return {\n type: 'select',\n className: 'qd-quiz-input',\n placeholder: 'Select an answer...',\n value: existingAnswer?.answer || '',\n options,\n };\n } else {\n // Numeric question - text input\n return {\n type: 'text',\n className: 'qd-quiz-input',\n placeholder: 'Enter value',\n value: existingAnswer?.answer || '',\n };\n }\n}\n","/**\n * Answer Display Service\n *\n * Pure functions for formatting student answer data for display.\n * No DOM dependencies - returns data structures that can be tested\n * without browser environment.\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport type { StudentRecord, PageId } from '../types/contracts.js';\nimport { formatStoredTimestamp } from '../utils/date-helpers.js';\n\n/**\n * Formatted student answer for display\n */\nexport interface StudentAnswerDisplay {\n /** Student name */\n name: string;\n /** Last 4 digits of service ID */\n maskedServiceId: string;\n /** Answer value */\n answer: string;\n /** Whether answer is correct */\n success: boolean;\n /** Formatted timestamp for display (24-hour format) */\n formattedTimestamp: string;\n /** CSS class based on success: 'qd-correct' or 'qd-incorrect' */\n cssClass: 'qd-correct' | 'qd-incorrect';\n}\n\n/**\n * Format student answers for a specific question for display\n *\n * Collects and formats answers from all students for a specific\n * question, ready for rendering in instructor view.\n *\n * @param students - Array of student records\n * @param pageId - Page identifier\n * @param questionIndex - 0-based question index\n * @returns Array of formatted student answers\n */\nexport function formatStudentAnswersForDisplay(\n students: StudentRecord[],\n pageId: PageId,\n questionIndex: number,\n): StudentAnswerDisplay[] {\n const result: StudentAnswerDisplay[] = [];\n\n for (const student of students) {\n const pageData = student.pages[pageId];\n if (!pageData || !pageData.answers) continue;\n\n const answerRecord = pageData.answers[questionIndex];\n if (!answerRecord) continue;\n\n result.push({\n name: student.name,\n maskedServiceId: student.serviceId.slice(-4),\n answer: answerRecord.answer,\n success: answerRecord.success,\n formattedTimestamp: formatStoredTimestamp(answerRecord.timestamp),\n cssClass: answerRecord.success ? 'qd-correct' : 'qd-incorrect',\n });\n }\n\n return result;\n}\n","/**\n * Analysis Table Parser\n *\n * Parses analysis tables and generates stable identifiers for table and cells.\n *\n * Key concepts:\n * - TableId: 16-char hash based on table structure (rows × cols + className)\n * - CellKey: Format \"R{row}C{col}#f:{hash}\" where hash is 8-char from normalized content\n * - Editable cells: Cells WITH 'interactive' class\n * - Read-only cells: Cells WITHOUT 'interactive' class\n *\n * Author constraints:\n * - Add class=\"interactive\" to cells that should be editable in interactive mode\n * - Cells without this class will always be read-only\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const parsed = parseAnalysisTable(table);\n * console.log(`Table ID: ${parsed.tableId}`);\n * console.log(`Editable cells: ${parsed.editableCells.length}`);\n * }\n * ```\n */\n\nimport type { ParsedAnalysisTable, TableId, CellKey } from '../types/contracts.js';\nimport { getTableRows, getRowCells, getTextContent } from '../utils/dom-helpers.js';\n\n/**\n * Generate a hash from a string using a simple but stable hash algorithm\n *\n * Uses a modified DJB2 hash algorithm for simplicity and stability.\n * Not cryptographically secure, but suitable for generating stable identifiers.\n *\n * @param input - String to hash\n * @param length - Desired hash length (default: 16)\n * @returns Hex-encoded hash of specified length\n */\nfunction hashString(input: string, length = 16): string {\n let hash = 5381;\n\n for (let i = 0; i < input.length; i++) {\n const char = input.charCodeAt(i);\n hash = (hash << 5) + hash + char; // hash * 33 + char\n hash = hash & hash; // Convert to 32-bit integer\n }\n\n // Convert to positive hex string\n const hexHash = Math.abs(hash).toString(16).padStart(8, '0');\n\n // Repeat and truncate to desired length\n const repeatedHash = hexHash.repeat(Math.ceil(length / hexHash.length));\n return repeatedHash.substring(0, length);\n}\n\n/**\n * Generate stable table ID based on structure\n *\n * Format: 16-character hash from \"{rows}x{cols}:{className}\"\n *\n * @param table - Analysis table element\n * @returns Stable table identifier\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const tableId = generateTableId(table);\n * console.log(tableId); // \"8e2b4a1c9f3d7b6e\"\n * }\n * ```\n */\nexport function generateTableId(table: HTMLTableElement): TableId {\n const rows = getTableRows(table);\n const firstRow = rows[0];\n const cols = firstRow ? getRowCells(firstRow).length : 0;\n const className = table.className || 'qd-analysis';\n\n // Create structure signature: \"3x4:qd-analysis\"\n const signature = `${rows.length}x${cols}:${className}`;\n\n return hashString(signature, 16);\n}\n\n/**\n * Generate stable cell key\n *\n * Format: \"R{row}C{col}#f:{hash}\"\n * - Row and column are 0-indexed\n * - Hash is 8-char from normalized cell content (whitespace collapsed)\n *\n * @param row - Row index (0-based)\n * @param col - Column index (0-based)\n * @param content - Cell content\n * @returns Stable cell key\n *\n * @example\n * ```typescript\n * const key = generateCellKey(2, 4, 'Sample content');\n * console.log(key); // \"R2C4#f:abc123de\"\n * ```\n */\nexport function generateCellKey(row: number, col: number, content: string): CellKey {\n // Normalize content: collapse whitespace, trim\n const normalized = content.replace(/\\s+/g, ' ').trim();\n\n // Generate 8-char hash from normalized content\n const contentHash = hashString(normalized, 8);\n\n return `R${row}C${col}#f:${contentHash}`;\n}\n\n/**\n * Check if a cell is editable\n *\n * A cell is editable if it HAS the 'interactive' class.\n * Cells without this class are considered read-only (headers or pre-filled content).\n *\n * Author constraint: Add class=\"interactive\" to cells that should be editable.\n *\n * @param cell - Table cell element\n * @returns true if cell has 'interactive' class, false otherwise\n *\n * @example\n * ```typescript\n * const cell = row.cells[0];\n * if (isCellEditable(cell)) {\n * // Cell has class=\"interactive\", make it editable\n * } else {\n * // Cell is read-only\n * }\n * ```\n */\nexport function isCellEditable(cell: HTMLTableCellElement): boolean {\n // Check for 'interactive' class\n return cell.classList.contains('interactive');\n}\n\n/**\n * Parse an analysis table\n *\n * Extracts table structure, generates stable identifiers, and identifies editable cells.\n *\n * @param table - Analysis table element\n * @returns Parsed analysis table data\n *\n * @example\n * ```typescript\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * const parsed = parseAnalysisTable(table);\n *\n * if (parsed.errors && parsed.errors.length > 0) {\n * console.error('Validation errors:', parsed.errors);\n * }\n *\n * console.log(`Table ID: ${parsed.tableId}`);\n * console.log(`Editable cells: ${parsed.editableCells.length}`);\n * }\n * ```\n */\nexport function parseAnalysisTable(table: HTMLTableElement): ParsedAnalysisTable {\n const errors: string[] = [];\n\n // Validate table structure\n if (!table.querySelector('tbody')) {\n errors.push('Analysis table must have a tbody element');\n }\n\n const rows = getTableRows(table);\n if (rows.length === 0) {\n errors.push('Analysis table must have at least one row');\n }\n\n // Generate table ID\n const tableId = generateTableId(table);\n\n // Identify editable cells\n const editableCells: ParsedAnalysisTable['editableCells'] = [];\n\n rows.forEach((row, rowIndex) => {\n const cells = getRowCells(row);\n\n cells.forEach((cell, colIndex) => {\n if (isCellEditable(cell)) {\n const content = getTextContent(cell);\n const key = generateCellKey(rowIndex, colIndex, content);\n\n editableCells.push({\n row: rowIndex,\n col: colIndex,\n key,\n });\n }\n });\n });\n\n return {\n element: table,\n tableId,\n editableCells,\n errors: errors.length > 0 ? errors : undefined,\n };\n}\n","/**\n * Analysis Table Enhancer\n *\n * Implements single-phase progressive enhancement for analysis tables.\n * Similar to quiz-table enhancer but for free-form editable content.\n *\n * Features:\n * - Non-interactive mode: Read-only display\n * - Interactive mode: Enable editing for cells with 'interactive' class\n * - Debounced auto-save to prevent excessive writes\n * - Stable cell keys for persistence across page reloads\n * - Uses WeakMap for metadata (not DOM attributes)\n * - Event emission for data changes\n *\n * Author constraints:\n * - Cells WITH class=\"interactive\" = editable (in interactive mode)\n * - Cells WITHOUT 'interactive' class = read-only (always)\n * - Maximum ONE analysis table per page\n */\n\nimport type {\n ParsedAnalysisTable,\n AnalysisData,\n PageId,\n SessionData,\n SessionCache,\n CellKey,\n StudentRecord,\n ServiceId,\n} from '../types/contracts.js';\nimport { parseAnalysisTable, isCellEditable } from '../services/analysis-parser.js';\nimport { Debouncer } from '../utils/debouncer.js';\nimport { getTableRows, getRowCells, addClass, getTextContent } from '../utils/dom-helpers.js';\nimport { emitCustomEvent } from '../utils/event-helpers.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info, error as logError, warn } from '../utils/logger.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { formatStoredTimestamp } from '../utils/date-helpers.js';\n\n/**\n * Enhancement options\n */\nexport interface EnhanceAnalysisTableOptions {\n /** Whether to enable interactive editing */\n interactive: boolean;\n /** Current page ID (required for interactive mode) */\n pageId?: PageId;\n}\n\n/**\n * Analysis table metadata (stored in WeakMap)\n */\ninterface AnalysisTableMetadata {\n /** Parsed analysis data */\n parsed: ParsedAnalysisTable;\n /** Enhancement mode */\n interactive: boolean;\n /** Page ID (if interactive) */\n pageId?: PageId;\n /** Debouncer for auto-save */\n debouncer?: Debouncer;\n /** Cell element to cell key mapping */\n cellKeyMap?: Map;\n}\n\n/**\n * Student entry for a cell (used in instructor view)\n */\nexport interface CellEntry {\n serviceId: ServiceId;\n name: string;\n content: string;\n timestamp: string;\n}\n\n// WeakMap to store table metadata without polluting DOM\nconst tableMetadata = new WeakMap();\n\n/**\n * Enhance an analysis table with single-phase enhancement\n *\n * @param table - The analysis table element\n * @param options - Enhancement options\n * @returns true if enhancement succeeded, false if errors occurred\n *\n * @example\n * ```typescript\n * // Non-interactive mode (read-only)\n * const table = document.querySelector('table.qd-analysis');\n * if (table instanceof HTMLTableElement) {\n * enhanceAnalysisTable(table, { interactive: false });\n * }\n *\n * // Interactive mode (enable editing)\n * enhanceAnalysisTable(table, { interactive: true, pageId: 'gram-1' });\n * ```\n */\nexport function enhanceAnalysisTable(\n table: HTMLTableElement,\n options: EnhanceAnalysisTableOptions,\n): boolean {\n // Parse the table\n const parsed = parseAnalysisTable(table);\n\n // Check for parsing errors\n if (parsed.errors && parsed.errors.length > 0) {\n logError('Analysis table has validation errors:', parsed.errors);\n // Still continue enhancement to show errors visually\n }\n\n // Store metadata in WeakMap\n const metadata: AnalysisTableMetadata = {\n parsed,\n interactive: options.interactive,\n pageId: options.pageId,\n };\n\n if (options.interactive) {\n // Validate pageId is provided for interactive mode\n if (!options.pageId) {\n logError('Interactive mode requires pageId option');\n return false;\n }\n\n // Initialize debouncer for auto-save\n metadata.debouncer = new Debouncer();\n metadata.cellKeyMap = new Map();\n }\n\n tableMetadata.set(table, metadata);\n\n // Apply enhancement based on mode\n if (options.interactive) {\n return enhanceInteractive(table, metadata);\n } else {\n return enhanceNonInteractive(table);\n }\n}\n\n/**\n * Enhance table in non-interactive mode\n * - Read-only display (no contenteditable)\n * - Listen for instructor view events to display student entries\n *\n * @param table - Analysis table element\n * @returns true if successful\n */\nfunction enhanceNonInteractive(table: HTMLTableElement): boolean {\n addClass(table, 'qd-analysis-non-interactive');\n\n // Add event listeners for instructor view\n const showHandler = () => {\n void showStudentEntriesForTable(table);\n };\n\n const hideHandler = () => {\n hideStudentEntriesForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showHandler);\n document.addEventListener('qd:instructor-hide-answers', hideHandler);\n\n info('Analysis table enhanced in non-interactive mode with instructor view support');\n\n return true;\n}\n\n/**\n * Enhance table in interactive mode\n * - Enable editing for cells without background-color\n * - Setup auto-save with debouncing\n * - Load existing data from storage\n *\n * @param table - Analysis table element\n * @param metadata - Table metadata\n * @returns true if successful\n */\nfunction enhanceInteractive(table: HTMLTableElement, metadata: AnalysisTableMetadata): boolean {\n const { parsed, pageId, debouncer, cellKeyMap } = metadata;\n\n if (!pageId || !debouncer || !cellKeyMap) {\n logError('Interactive mode requires pageId, debouncer, and cellKeyMap');\n return false;\n }\n\n // Get session data\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return false;\n }\n\n // Get session cache\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const pageCache = cache?.pages[pageId];\n const existingAnalysis = pageCache?.analysis;\n\n // Load existing cell data if available\n const existingCells = existingAnalysis?.cells || {};\n\n // Get all rows\n const rows = getTableRows(table);\n\n // Enable editing for editable cells\n parsed.editableCells.forEach(({ row, col, key }) => {\n const rowElement = rows[row];\n if (!rowElement) return;\n\n const cells = getRowCells(rowElement);\n const cell = cells[col];\n if (!cell) return;\n\n // Verify cell is still editable (defensive check)\n if (!isCellEditable(cell)) {\n logError(`Cell at R${row}C${col} is no longer editable`);\n return;\n }\n\n // Store cell key mapping\n cellKeyMap.set(cell, key);\n\n // Load existing content if available\n if (existingCells[key]) {\n cell.textContent = existingCells[key];\n }\n\n // Make cell editable\n cell.contentEditable = 'true';\n addClass(cell, 'qd-editable');\n\n // Setup auto-save on input\n cell.addEventListener('input', () => {\n handleCellEdit(metadata, cell, key);\n });\n\n // Prevent Enter key from creating line breaks (optional - may want multi-line)\n // For now, allow multi-line editing\n });\n\n addClass(table, 'qd-analysis-interactive');\n info(`Analysis table enhanced in interactive mode for page ${pageId}`);\n\n return true;\n}\n\n/**\n * Handle cell edit\n *\n * @param metadata - Table metadata\n * @param cell - Edited cell element\n * @param cellKey - Cell key\n */\nfunction handleCellEdit(\n metadata: AnalysisTableMetadata,\n cell: HTMLTableCellElement,\n cellKey: CellKey,\n): void {\n const { debouncer, pageId } = metadata;\n\n if (!debouncer || !pageId) {\n return;\n }\n\n const content = getTextContent(cell);\n\n // Debounce the save operation (500ms delay - longer than quiz for thoughtful editing)\n debouncer.debounce(\n `save-cell-${cellKey}`,\n () => {\n void saveCellData(metadata, cellKey, content);\n },\n 500,\n );\n}\n\n/**\n * Save cell data to storage (sessionStorage + IndexedDB)\n *\n * @param metadata - Table metadata\n * @param cellKey - Cell key\n * @param content - Cell content\n */\nasync function saveCellData(\n metadata: AnalysisTableMetadata,\n cellKey: CellKey,\n content: string,\n): Promise {\n const { pageId, parsed } = metadata;\n\n if (!pageId) {\n return;\n }\n\n // Get session\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n logError('No active session found');\n return;\n }\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n } catch (err) {\n warn('Failed to load student record, analysis not saved', err);\n return;\n }\n\n // Get or create page data in student record\n const pageData = studentRecord.pages[pageId] || {\n answers: [],\n state: 'unstarted' as const,\n };\n\n // Get or create analysis data\n const analysisData: AnalysisData = pageData.analysis || {\n tableId: parsed.tableId,\n cells: {},\n };\n\n // Update cell content\n analysisData.cells[cellKey] = content;\n\n // Update timestamps\n const now = new Date().toISOString();\n if (!analysisData.firstEdited) {\n analysisData.firstEdited = now;\n }\n analysisData.lastEdited = now;\n\n // Store analysis data in page\n pageData.analysis = analysisData;\n\n // Update student record\n studentRecord.pages[pageId] = pageData;\n studentRecord.updated = now;\n\n // Save updated record to IndexedDB\n try {\n await storageService.saveStudentRecord(studentRecord);\n } catch (err) {\n warn('Failed to save student record to IndexedDB', err);\n }\n\n // Build cache from updated record\n const cache = storageService.buildCache(studentRecord);\n\n // Save cache to sessionStorage for quick access\n setJSON(STORAGE_KEYS.CACHE, cache);\n\n // Emit event\n emitCustomEvent('qd:analysis-saved', {\n pageId,\n tableId: parsed.tableId,\n cellKey,\n content,\n });\n\n info(`Analysis cell saved for ${cellKey} on page ${pageId}`);\n}\n\n/**\n * Get analysis table metadata\n *\n * @param table - Analysis table element\n * @returns Metadata if table has been enhanced, undefined otherwise\n */\nexport function getAnalysisTableMetadata(\n table: HTMLTableElement,\n): AnalysisTableMetadata | undefined {\n return tableMetadata.get(table);\n}\n\n/**\n * Check if table is enhanced\n *\n * @param table - Analysis table element\n * @returns true if table has been enhanced\n */\nexport function isAnalysisTableEnhanced(table: HTMLTableElement): boolean {\n return tableMetadata.has(table);\n}\n\n/**\n * Group student entries by cell key (FR-012)\n *\n * @param students - All student records\n * @param pageId - Page ID to filter by\n * @returns Map of cell key to array of student entries\n */\nexport function groupEntriesByCell(\n students: StudentRecord[],\n pageId: PageId,\n): Record {\n const grouped: Record = {};\n\n students.forEach((student) => {\n const pageData = student.pages[pageId];\n if (!pageData || !pageData.analysis) {\n return;\n }\n\n const { cells } = pageData.analysis;\n const timestamp = pageData.analysis.lastEdited || student.updated;\n\n Object.entries(cells).forEach(([cellKey, content]) => {\n if (!grouped[cellKey]) {\n grouped[cellKey] = [];\n }\n\n grouped[cellKey].push({\n serviceId: student.serviceId,\n name: student.name,\n content,\n timestamp,\n });\n });\n });\n\n return grouped;\n}\n\n/**\n * Sort entries by timestamp in descending order (newest first) (FR-012)\n *\n * @param entries - Cell entries to sort\n * @returns Sorted entries (newest first)\n */\nexport function sortByTimestamp(entries: CellEntry[]): CellEntry[] {\n return [...entries].sort((a, b) => {\n const dateA = new Date(a.timestamp).getTime();\n const dateB = new Date(b.timestamp).getTime();\n return dateB - dateA; // Descending (newest first)\n });\n}\n\n/**\n * Create display element for student entries (FR-012, FR-013)\n *\n * @param entries - Student entries for a cell (should already be sorted)\n * @returns HTML div element with entries or placeholder\n */\nexport function createStudentEntriesDisplay(entries: CellEntry[]): HTMLDivElement {\n const container = document.createElement('div');\n container.className = 'qd-student-entries';\n\n if (entries.length === 0) {\n // FR-013: Placeholder for empty cells\n container.className += ' qd-no-entries';\n container.textContent = '(No entries yet)';\n container.style.cssText =\n 'color: #9ca3af; font-style: italic; font-size: 13px; padding: 8px 0;';\n return container;\n }\n\n // Sort entries before displaying (newest first)\n const sortedEntries = sortByTimestamp(entries);\n\n // FR-012: Display each student entry (single line format)\n sortedEntries.forEach((entry) => {\n const entryDiv = document.createElement('div');\n entryDiv.className = 'qd-entry';\n entryDiv.style.cssText =\n 'padding: 8px 0; border-bottom: 1px solid #e5e7eb; font-size: 13px; color: #1f2937;';\n\n // Student name with last 4 digits of serviceId\n const last4 = entry.serviceId.slice(-4);\n const timestamp = formatStoredTimestamp(entry.timestamp);\n\n // Single line: name (id) • timestamp: content\n const nameSpan = document.createElement('span');\n nameSpan.style.cssText = 'font-weight: 600; color: #374151;';\n nameSpan.textContent = `${entry.name} (${last4}) • ${timestamp}: `;\n\n const contentSpan = document.createElement('span');\n contentSpan.style.cssText = 'white-space: pre-wrap;';\n contentSpan.textContent = entry.content;\n\n entryDiv.appendChild(nameSpan);\n entryDiv.appendChild(contentSpan);\n container.appendChild(entryDiv);\n });\n\n container.style.cssText = 'margin-top: 12px; padding-top: 8px; border-top: 2px solid #3b82f6;';\n\n return container;\n}\n\n/**\n * Show student entries for all cells in the table (instructor view)\n *\n * @param table - Analysis table element\n */\nasync function showStudentEntriesForTable(table: HTMLTableElement): Promise {\n const metadata = tableMetadata.get(table);\n if (!metadata) {\n warn('Cannot show student entries: table not enhanced');\n return;\n }\n\n // Get current page ID from metadata (if interactive) or from document\n const pageId = metadata.pageId || getCurrentPageId();\n if (!pageId) {\n warn('Cannot show student entries: page ID not found');\n return;\n }\n\n // Get session to determine release\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n warn('Cannot show student entries: no active session');\n return;\n }\n\n // Load all students for this release\n const storageService = getStorageService();\n let students: StudentRecord[];\n try {\n students = await storageService.getStudentsByRelease(session.release);\n } catch (err) {\n logError('Failed to load students for instructor view:', err);\n return;\n }\n\n // Group entries by cell\n const grouped = groupEntriesByCell(students, pageId);\n\n // Get all editable cells from parsed data\n const { editableCells } = metadata.parsed;\n const rows = getTableRows(table);\n\n // Display entries for each editable cell\n editableCells.forEach(({ row, col, key }) => {\n const rowElement = rows[row];\n if (!rowElement) return;\n\n const cells = getRowCells(rowElement);\n const cell = cells[col];\n if (!cell) return;\n\n // Get entries for this cell\n const entries = grouped[key] || [];\n\n // Create and append display element\n const displayElement = createStudentEntriesDisplay(entries);\n displayElement.setAttribute('data-qd-student-entries', 'true');\n\n // Remove any existing display\n const existing = cell.querySelector('[data-qd-student-entries]');\n if (existing) {\n existing.remove();\n }\n\n cell.appendChild(displayElement);\n });\n\n info(`Displayed student entries for ${editableCells.length} cells`);\n}\n\n/**\n * Hide student entries for all cells in the table\n *\n * @param table - Analysis table element\n */\nfunction hideStudentEntriesForTable(table: HTMLTableElement): void {\n // Remove all student entry displays\n const displays = table.querySelectorAll('[data-qd-student-entries]');\n displays.forEach((display) => display.remove());\n\n info('Hidden student entries from analysis table');\n}\n\n/**\n * Reset analysis table to non-interactive mode\n * Called on logout to clear student/instructor UI state\n *\n * @param table - Analysis table element\n */\nexport function resetAnalysisTableToNonInteractive(table: HTMLTableElement): void {\n const metadata = tableMetadata.get(table);\n if (!metadata) return;\n\n // Hide any displayed student entries (instructor view)\n hideStudentEntriesForTable(table);\n\n // If table was interactive, disable editing and clear content\n if (metadata.interactive) {\n // Find all editable cells, clear content, and disable contentEditable\n const editableCells = table.querySelectorAll('.qd-editable');\n editableCells.forEach((cell) => {\n if (cell instanceof HTMLTableCellElement) {\n cell.contentEditable = 'false';\n cell.classList.remove('qd-editable');\n // Clear student-entered content on logout\n cell.textContent = '';\n }\n });\n\n // Remove interactive class from table\n table.classList.remove('qd-analysis-interactive');\n\n // Cancel any pending saves\n metadata.debouncer?.cancelAll();\n }\n\n // Update metadata to mark as non-interactive\n metadata.interactive = false;\n metadata.pageId = undefined;\n metadata.debouncer = undefined;\n metadata.cellKeyMap = undefined;\n\n info('Reset analysis table to non-interactive mode');\n}\n\n/**\n * Get current page ID from document\n * Extracts from body data attribute or URL\n *\n * @returns Page ID or undefined\n */\nfunction getCurrentPageId(): PageId | undefined {\n // Try body data attribute first\n const bodyPageId = document.body.dataset.pageId;\n if (bodyPageId) {\n return bodyPageId;\n }\n\n // Fallback: extract from URL filename\n const path = window.location.pathname;\n const filename = path.split('/').pop() || '';\n const pageId = filename.replace('.html', '');\n\n return pageId || undefined;\n}\n","/**\n * Event Coordinator\n * Registers and coordinates custom events across the application\n */\n\nimport { info } from '../utils/logger.js';\nimport {\n enhanceQuizTable,\n getQuizTableMetadata,\n resetQuizTableToNonInteractive,\n showStudentAnswersForTable,\n hideStudentAnswersForTable,\n} from '../enhancers/quiz-table.js';\nimport {\n enhanceAnalysisTable,\n resetAnalysisTableToNonInteractive,\n} from '../enhancers/analysis-table.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { setJSON, getJSON } from '../utils/storage-helpers.js';\nimport type { SessionData, SessionCache } from '../types/contracts.js';\n\n/**\n * Custom event detail types\n */\nexport interface LoginEventDetail {\n serviceId: string;\n name: string;\n release: string;\n loginTime: string;\n}\n\nexport interface LogoutEventDetail {\n serviceId: string;\n}\n\nexport interface AnswerSavedEventDetail {\n pageId: string;\n questionIndex: number;\n answer: string;\n success: boolean;\n}\n\nexport interface StateChangedEventDetail {\n pageId: string;\n state: string;\n}\n\nexport interface InstructorUnlockEventDetail {\n unlockTime: string;\n}\n\nexport interface DataClearedEventDetail {\n timestamp: string;\n}\n\n/**\n * Event coordinator for managing application events\n */\nexport class EventCoordinator {\n private listeners: Map = new Map();\n\n /**\n * Register all event listeners\n */\n initialize(): void {\n this.registerLoginHandlers();\n this.registerLogoutHandlers();\n this.registerAnswerHandlers();\n this.registerStateHandlers();\n this.registerInstructorHandlers();\n this.registerDataHandlers();\n\n info('Event coordinator initialized');\n }\n\n /**\n * Register handlers for login events\n */\n private registerLoginHandlers(): void {\n this.addEventListener('qd:login', (event) => {\n void (async () => {\n const detail = (event as CustomEvent).detail;\n info(`Login event: ${detail.serviceId} (${detail.name})`);\n\n // Skip student record handling for instructor logins\n if (detail.serviceId === 'INSTRUCTOR') {\n info('Instructor login - skipping student record handling');\n return;\n }\n\n // Get session from storage (already created by SessionService)\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n info('No session found in storage, skipping cache rebuild');\n return;\n }\n\n // Load student record from IndexedDB\n const storageService = getStorageService();\n let studentRecord;\n let cache;\n\n try {\n studentRecord = await storageService.loadStudentRecord(session);\n\n // Save student record to IndexedDB (creates if new, updates if exists)\n await storageService.saveStudentRecord(studentRecord);\n\n cache = storageService.buildCache(studentRecord);\n\n // Save cache to sessionStorage\n setJSON(STORAGE_KEYS.CACHE, cache);\n info(`Cache built from IndexedDB: ${cache.totals.total} total questions`);\n } catch {\n info('Failed to load from IndexedDB, initializing empty cache');\n // Create empty cache for first-time users\n const emptyCache: SessionCache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n setJSON(STORAGE_KEYS.CACHE, emptyCache);\n }\n\n // Trigger cache rebuild event\n this.dispatchEvent('qd:cache-rebuild', {});\n\n // Upgrade tables to interactive mode\n this.upgradeTablesAfterLogin();\n })();\n });\n }\n\n /**\n * Upgrade all tables to interactive mode after login\n */\n private upgradeTablesAfterLogin(): void {\n // Extract pageId from URL filename\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n if (!pageId) {\n info('No pageId found, skipping table upgrade to interactive mode');\n return;\n }\n\n // Check if instructor - instructors don't need interactive tables\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n info(\n 'Instructor session detected, tables remain in non-interactive mode with answers visible',\n );\n // Restore answer and detail columns for instructor view\n const quizTables = document.querySelectorAll('table.qd-quiz');\n\n quizTables.forEach((table) => {\n // Get parsed metadata (contains correct answers)\n const metadata = getQuizTableMetadata(table);\n if (!metadata) return;\n\n // Update metadata with pageId for instructor toggle\n metadata.pageId = pageId;\n\n // Remove qd-hidden class from answer column (column 1)\n const answerCells = table.querySelectorAll('td:nth-child(2), th:nth-child(2)');\n answerCells.forEach((cell) => {\n cell.classList.remove('qd-hidden');\n });\n\n // Restore answer text to data cells only (not header)\n const answerDataCells = table.querySelectorAll('tbody td:nth-child(2)');\n answerDataCells.forEach((cell, index) => {\n const question = metadata.parsed.questions[index];\n if (question && cell instanceof HTMLTableCellElement) {\n cell.textContent = question.correctAnswer;\n }\n });\n\n // Remove qd-hidden class from detail column (column 2)\n const detailCells = table.querySelectorAll('td:nth-child(3), th:nth-child(3)');\n detailCells.forEach((cell) => cell.classList.remove('qd-hidden'));\n\n // Set up instructor toggle event listeners (since table is non-interactive)\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if toggle already enabled\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (showAnswers) {\n void showAnswersHandler();\n }\n });\n return;\n }\n\n // Upgrade quiz tables\n const quizTables = document.querySelectorAll('table.qd-quiz');\n if (quizTables.length > 0) {\n info(`Upgrading ${quizTables.length} quiz table(s) to interactive mode...`);\n quizTables.forEach((table) => {\n enhanceQuizTable(table, { interactive: true, pageId });\n });\n }\n\n // Upgrade analysis tables\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n if (analysisTables.length > 0) {\n info(`Upgrading ${analysisTables.length} analysis table(s) to interactive mode...`);\n analysisTables.forEach((table) => {\n enhanceAnalysisTable(table, { interactive: true, pageId });\n });\n }\n }\n\n /**\n * Register handlers for logout events\n */\n private registerLogoutHandlers(): void {\n this.addEventListener('qd:logout', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`Logout event: ${detail.serviceId}`);\n\n // Reset all quiz tables to non-interactive mode\n const quizTables = document.querySelectorAll('table.qd-quiz');\n quizTables.forEach((table) => {\n resetQuizTableToNonInteractive(table);\n });\n\n // Reset all analysis tables to non-interactive mode\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n analysisTables.forEach((table) => {\n resetAnalysisTableToNonInteractive(table);\n });\n\n // Clear any cached data\n this.dispatchEvent('qd:cache-clear', {});\n });\n }\n\n /**\n * Register handlers for answer saved events\n */\n private registerAnswerHandlers(): void {\n this.addEventListener('qd:answer-saved', (event) => {\n const detail = (event as CustomEvent).detail;\n info(\n `Answer saved: ${detail.pageId} Q${detail.questionIndex} = ${detail.answer} (${detail.success ? 'correct' : 'incorrect'})`,\n );\n\n // Trigger cache update\n this.dispatchEvent('qd:cache-update', { pageId: detail.pageId });\n });\n }\n\n /**\n * Register handlers for state changed events\n */\n private registerStateHandlers(): void {\n this.addEventListener('qd:state-changed', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`State changed: ${detail.pageId} → ${detail.state}`);\n\n // Update badge state\n this.dispatchEvent('qd:badge-update', { pageId: detail.pageId, state: detail.state });\n });\n }\n\n /**\n * Register handlers for instructor events\n */\n private registerInstructorHandlers(): void {\n this.addEventListener('qd:instructor-unlock', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`Instructor mode unlocked at ${detail.unlockTime}`);\n });\n\n this.addEventListener('qd:instructor-lock', () => {\n info('Instructor mode locked');\n });\n }\n\n /**\n * Register handlers for data management events\n */\n private registerDataHandlers(): void {\n this.addEventListener('qd:data-cleared', (event) => {\n const detail = (event as CustomEvent).detail;\n info(`All data cleared at ${detail.timestamp}`);\n\n // Clear cache\n this.dispatchEvent('qd:cache-clear', {});\n });\n }\n\n /**\n * Add event listener\n */\n private addEventListener(eventName: string, handler: EventListener): void {\n document.addEventListener(eventName, handler);\n\n // Track listeners for cleanup\n const handlers = this.listeners.get(eventName) || [];\n handlers.push(handler);\n this.listeners.set(eventName, handlers);\n }\n\n /**\n * Dispatch custom event\n */\n private dispatchEvent(eventName: string, detail: T): void {\n const event = new CustomEvent(eventName, {\n detail,\n bubbles: true,\n composed: true,\n });\n document.dispatchEvent(event);\n }\n\n /**\n * Cleanup event listeners\n */\n cleanup(): void {\n for (const [eventName, handlers] of this.listeners) {\n for (const handler of handlers) {\n document.removeEventListener(eventName, handler);\n }\n }\n this.listeners.clear();\n info('Event coordinator cleaned up');\n }\n}\n","/**\n * Session Coordinator\n * Manages session lifecycle and coordinates session-related events\n */\n\nimport { SessionService } from '../services/session.js';\nimport { info, warn } from '../utils/logger.js';\nimport type { SessionData } from '../types/contracts.js';\n\n/**\n * Session coordinator for managing session lifecycle\n */\nexport class SessionCoordinator {\n private sessionService: SessionService;\n private expiryTimeoutId?: number;\n\n constructor() {\n this.sessionService = new SessionService();\n }\n\n /**\n * Initialize session coordinator\n * - Load existing session from storage\n * - Schedule expiry check\n * - Setup activity tracking\n */\n initialize(): void {\n const session = this.sessionService.getSession();\n\n if (session) {\n info(`Existing session loaded for ${session.serviceId}`);\n\n // Check if session is expired\n if (this.sessionService.isExpired()) {\n warn('Session expired, clearing');\n this.sessionService.clearSession();\n return;\n }\n\n // Schedule expiry check\n this.scheduleExpiryCheck(session);\n\n // Setup activity tracking\n this.setupActivityTracking();\n } else {\n info('No existing session found');\n }\n }\n\n /**\n * Schedule expiry check based on session timeout\n */\n private scheduleExpiryCheck(session: SessionData): void {\n // Clear existing timeout\n if (this.expiryTimeoutId !== undefined) {\n window.clearTimeout(this.expiryTimeoutId);\n }\n\n // Calculate time until expiry\n const now = new Date().getTime();\n const expiresAt = new Date(session.expiresAt).getTime();\n const timeUntilExpiry = expiresAt - now;\n\n if (timeUntilExpiry <= 0) {\n // Session already expired\n this.sessionService.clearSession();\n return;\n }\n\n // Schedule expiry\n this.expiryTimeoutId = window.setTimeout(() => {\n info('Session expired (timeout)');\n this.sessionService.clearSession();\n }, timeUntilExpiry);\n }\n\n /**\n * Setup activity tracking to extend session on user interaction\n */\n private setupActivityTracking(): void {\n const activityHandler = (): void => {\n const session = this.sessionService.getSession();\n if (!session) {\n return;\n }\n\n // Update activity timestamp and extend expiry\n this.sessionService.updateActivity();\n\n // Reschedule expiry check\n const updatedSession = this.sessionService.getSession();\n if (updatedSession) {\n this.scheduleExpiryCheck(updatedSession);\n }\n };\n\n // Track common user activities\n const events = ['click', 'keydown', 'scroll', 'mousemove'];\n\n // Debounce activity updates to avoid excessive writes\n let activityDebounceTimeout: number | undefined;\n const debouncedHandler = (): void => {\n if (activityDebounceTimeout !== undefined) {\n window.clearTimeout(activityDebounceTimeout);\n }\n\n activityDebounceTimeout = window.setTimeout(() => {\n activityHandler();\n }, 5000); // Update activity at most once per 5 seconds\n };\n\n events.forEach((event) => {\n document.addEventListener(event, debouncedHandler, { passive: true });\n });\n }\n\n /**\n * Cleanup session coordinator\n */\n cleanup(): void {\n if (this.expiryTimeoutId !== undefined) {\n window.clearTimeout(this.expiryTimeoutId);\n }\n }\n\n /**\n * Get the session service instance\n */\n getSessionService(): SessionService {\n return this.sessionService;\n }\n}\n","/**\n * @license\n * Copyright 2019 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t=globalThis,e=t.ShadowRoot&&(void 0===t.ShadyCSS||t.ShadyCSS.nativeShadow)&&\"adoptedStyleSheets\"in Document.prototype&&\"replace\"in CSSStyleSheet.prototype,s=Symbol(),o=new WeakMap;class n{constructor(t,e,o){if(this._$cssResult$=!0,o!==s)throw Error(\"CSSResult is not constructable. Use `unsafeCSS` or `css` instead.\");this.cssText=t,this.t=e}get styleSheet(){let t=this.o;const s=this.t;if(e&&void 0===t){const e=void 0!==s&&1===s.length;e&&(t=o.get(s)),void 0===t&&((this.o=t=new CSSStyleSheet).replaceSync(this.cssText),e&&o.set(s,t))}return t}toString(){return this.cssText}}const r=t=>new n(\"string\"==typeof t?t:t+\"\",void 0,s),i=(t,...e)=>{const o=1===t.length?t[0]:e.reduce(((e,s,o)=>e+(t=>{if(!0===t._$cssResult$)return t.cssText;if(\"number\"==typeof t)return t;throw Error(\"Value passed to 'css' function must be a 'css' function result: \"+t+\". 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this._$ES}shouldUpdate(t){return!0}update(t){this._$Eq&&=this._$Eq.forEach((t=>this._$ET(t,this[t]))),this._$EM()}updated(t){}firstUpdated(t){}}y.elementStyles=[],y.shadowRootOptions={mode:\"open\"},y[d(\"elementProperties\")]=new Map,y[d(\"finalized\")]=new Map,p?.({ReactiveElement:y}),(a.reactiveElementVersions??=[]).push(\"2.1.1\");export{y as ReactiveElement,s as adoptStyles,u as defaultConverter,t as getCompatibleStyle,f as notEqual};\n//# sourceMappingURL=reactive-element.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t=globalThis,i=t.trustedTypes,s=i?i.createPolicy(\"lit-html\",{createHTML:t=>t}):void 0,e=\"$lit$\",h=`lit$${Math.random().toFixed(9).slice(2)}$`,o=\"?\"+h,n=`<${o}>`,r=document,l=()=>r.createComment(\"\"),c=t=>null===t||\"object\"!=typeof t&&\"function\"!=typeof t,a=Array.isArray,u=t=>a(t)||\"function\"==typeof t?.[Symbol.iterator],d=\"[ 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nothing,B as render,b as svg};\n//# sourceMappingURL=lit-html.js.map\n","import{ReactiveElement as t}from\"@lit/reactive-element\";export*from\"@lit/reactive-element\";import{render as e,noChange as r}from\"lit-html\";export*from\"lit-html\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */const s=globalThis;class i extends t{constructor(){super(...arguments),this.renderOptions={host:this},this._$Do=void 0}createRenderRoot(){const t=super.createRenderRoot();return this.renderOptions.renderBefore??=t.firstChild,t}update(t){const r=this.render();this.hasUpdated||(this.renderOptions.isConnected=this.isConnected),super.update(t),this._$Do=e(r,this.renderRoot,this.renderOptions)}connectedCallback(){super.connectedCallback(),this._$Do?.setConnected(!0)}disconnectedCallback(){super.disconnectedCallback(),this._$Do?.setConnected(!1)}render(){return r}}i._$litElement$=!0,i[\"finalized\"]=!0,s.litElementHydrateSupport?.({LitElement:i});const o=s.litElementPolyfillSupport;o?.({LitElement:i});const n={_$AK:(t,e,r)=>{t._$AK(e,r)},_$AL:t=>t._$AL};(s.litElementVersions??=[]).push(\"4.2.1\");export{i as LitElement,n as _$LE};\n//# sourceMappingURL=lit-element.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t=t=>(e,o)=>{void 0!==o?o.addInitializer((()=>{customElements.define(t,e)})):customElements.define(t,e)};export{t as customElement};\n//# sourceMappingURL=custom-element.js.map\n","import{defaultConverter as t,notEqual as e}from\"../reactive-element.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */const o={attribute:!0,type:String,converter:t,reflect:!1,hasChanged:e},r=(t=o,e,r)=>{const{kind:n,metadata:i}=r;let s=globalThis.litPropertyMetadata.get(i);if(void 0===s&&globalThis.litPropertyMetadata.set(i,s=new Map),\"setter\"===n&&((t=Object.create(t)).wrapped=!0),s.set(r.name,t),\"accessor\"===n){const{name:o}=r;return{set(r){const n=e.get.call(this);e.set.call(this,r),this.requestUpdate(o,n,t)},init(e){return void 0!==e&&this.C(o,void 0,t,e),e}}}if(\"setter\"===n){const{name:o}=r;return function(r){const n=this[o];e.call(this,r),this.requestUpdate(o,n,t)}}throw Error(\"Unsupported decorator location: \"+n)};function n(t){return(e,o)=>\"object\"==typeof o?r(t,e,o):((t,e,o)=>{const r=e.hasOwnProperty(o);return e.constructor.createProperty(o,t),r?Object.getOwnPropertyDescriptor(e,o):void 0})(t,e,o)}export{n as property,r as standardProperty};\n//# sourceMappingURL=property.js.map\n","import{property as t}from\"./property.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */function r(r){return t({...r,state:!0,attribute:!1})}export{r as state};\n//# sourceMappingURL=state.js.map\n","/**\n * DOM Configuration Reader\n *\n * Reads runtime configuration from hidden DOM elements injected by DITA publishing.\n * This allows configuration to be set via Oxygen Transformation Scenario parameters.\n *\n * Pattern: value\n */\n\nimport { info, warn } from '../utils/logger.js';\n\n/**\n * Configuration keys that can be read from DOM\n */\nexport interface DOMConfig {\n /**\n * CSS selector for status panel container\n * Default: '.wh_top_menu_and_indexterms_link'\n * DOM ID: 'qd-status-container'\n */\n statusPanelContainer: string;\n\n /**\n * CSS selector for publication title element (Release ID extraction)\n * Default: '.wh_publication_title .title'\n * DOM ID: 'qd-title-selector'\n */\n titleSelector: string;\n\n /**\n * Instructor password hash (12-character hash for verification)\n * Default: '' (no instructor access)\n * DOM ID: 'qd-instructor-hash'\n */\n instructorHash: string;\n\n /**\n * IndexedDB database name\n * REQUIRED: Must be provided via #qd-db-name element - no default\n * DOM ID: 'qd-db-name'\n */\n dbName: string;\n}\n\n/**\n * Default configuration values\n * NOTE: dbName has NO default - it MUST be provided via #qd-db-name element\n */\nconst DEFAULT_CONFIG: Omit & { dbName: string } = {\n statusPanelContainer: '.wh_top_menu_and_indexterms_link',\n titleSelector: '.wh_publication_title .title',\n instructorHash: '',\n dbName: '', // No default - must be provided by page\n};\n\n/**\n * Configuration element IDs\n */\nexport const CONFIG_IDS = {\n statusPanelContainer: 'qd-status-container',\n titleSelector: 'qd-title-selector',\n instructorHash: 'qd-instructor-hash',\n dbName: 'qd-db-name',\n} as const;\n\n/**\n * Read a configuration value from a hidden DOM element\n *\n * @param elementId - ID of the hidden element\n * @param defaultValue - Default value if element not found\n * @returns Trimmed text content or default value\n */\nfunction readConfigElement(elementId: string, defaultValue: string): string {\n const element = document.querySelector(`#${elementId}`);\n\n if (!element) {\n return defaultValue;\n }\n\n const value = element.textContent?.trim() || '';\n\n if (value === '') {\n warn(`Config element #${elementId} found but empty, using default: \"${defaultValue}\"`);\n return defaultValue;\n }\n\n info(`Config read from #${elementId}: \"${value}\"`);\n return value;\n}\n\n/**\n * Read a REQUIRED configuration value from a hidden DOM element\n *\n * @param elementId - ID of the hidden element\n * @throws Error if element not found or value is empty\n * @returns Trimmed text content\n */\nfunction readRequiredConfigElement(elementId: string): string {\n const element = document.querySelector(`#${elementId}`);\n\n if (!element) {\n const msg = `FATAL: Required config element #${elementId} not found in DOM. Processing stopped.`;\n console.error(msg);\n throw new Error(msg);\n }\n\n const value = element.textContent?.trim() || '';\n\n if (value === '') {\n const msg = `FATAL: Required config element #${elementId} is empty. Processing stopped.`;\n console.error(msg);\n throw new Error(msg);\n }\n\n info(`Required config read from #${elementId}: \"${value}\"`);\n return value;\n}\n\n/**\n * Read all configuration from DOM\n *\n * Scans the document for hidden configuration elements and returns a complete\n * configuration object with defaults applied for any missing values.\n *\n * @returns Complete configuration with defaults applied\n */\nexport function readDOMConfig(): DOMConfig {\n info('Reading configuration from DOM...');\n\n // dbName is REQUIRED - throws if missing/empty\n const dbName = readRequiredConfigElement(CONFIG_IDS.dbName);\n\n const config: DOMConfig = {\n statusPanelContainer: readConfigElement(\n CONFIG_IDS.statusPanelContainer,\n DEFAULT_CONFIG.statusPanelContainer,\n ),\n titleSelector: readConfigElement(CONFIG_IDS.titleSelector, DEFAULT_CONFIG.titleSelector),\n instructorHash: readConfigElement(CONFIG_IDS.instructorHash, DEFAULT_CONFIG.instructorHash),\n dbName,\n };\n\n info('Configuration loaded:', config);\n\n return config;\n}\n\n/**\n * Get default configuration\n *\n * @returns Default configuration object\n */\nexport function getDefaultConfig(): DOMConfig {\n return { ...DEFAULT_CONFIG };\n}\n","/**\n * PIN Authentication Service\n *\n * Provides secure PIN hashing and verification using Web Crypto API.\n * Implements constant-time comparison to prevent timing attacks.\n */\n\nimport { PIN_CONSTANTS } from '../../types/contracts.js';\n\n/**\n * PIN validation result\n */\nexport interface PinValidationResult {\n valid: boolean;\n error?: string;\n}\n\n/**\n * Hash a PIN using SHA-256\n *\n * @param pin - 4-digit PIN to hash\n * @returns Promise resolving to hex-encoded hash\n */\nexport async function hashPin(pin: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(pin);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n}\n\n/**\n * Verify a PIN against a stored hash\n *\n * Uses constant-time comparison to prevent timing attacks.\n *\n * @param pin - PIN to verify\n * @param storedHash - Stored SHA-256 hash\n * @returns Promise resolving to true if PIN matches\n */\nexport async function verifyPin(pin: string, storedHash: string): Promise {\n const inputHash = await hashPin(pin);\n return constantTimeCompare(inputHash, storedHash);\n}\n\n/**\n * Constant-time string comparison\n *\n * Compares strings in constant time to prevent timing attacks.\n * XORs each character and accumulates differences.\n *\n * @param a - First string\n * @param b - Second string\n * @returns true if strings are equal\n */\nfunction constantTimeCompare(a: string, b: string): boolean {\n if (a.length !== b.length) {\n return false;\n }\n\n let result = 0;\n for (let i = 0; i < a.length; i++) {\n result |= a.charCodeAt(i) ^ b.charCodeAt(i);\n }\n return result === 0;\n}\n\n/**\n * Validate PIN format\n *\n * @param pin - PIN to validate\n * @returns Validation result with error message if invalid\n */\nexport function validatePinFormat(pin: string): PinValidationResult {\n if (!pin) {\n return { valid: false, error: 'PIN is required' };\n }\n\n if (pin.length !== PIN_CONSTANTS.PIN_LENGTH) {\n return { valid: false, error: `PIN must be exactly ${PIN_CONSTANTS.PIN_LENGTH} digits` };\n }\n\n if (!/^\\d+$/.test(pin)) {\n return { valid: false, error: 'PIN must contain only digits' };\n }\n\n return { valid: true };\n}\n\n/**\n * Validate PIN confirmation matches\n *\n * @param pin - Original PIN\n * @param confirm - Confirmation PIN\n * @returns Validation result with error message if mismatch\n */\nexport function validatePinConfirmation(pin: string, confirm: string): PinValidationResult {\n if (pin !== confirm) {\n return { valid: false, error: 'PINs do not match' };\n }\n return { valid: true };\n}\n","/**\n * Rate Limiter Service for PIN Authentication\n *\n * Tracks failed PIN attempts using sessionStorage.\n * Implements lockout after 3 failed attempts for 30 seconds.\n */\n\nimport type { PinAttemptState, ServiceId } from '../../types/contracts.js';\nimport { PIN_CONSTANTS, STORAGE_KEYS } from '../../types/contracts.js';\nimport { info, warn, maskServiceId } from '../../utils/logger.js';\n\n/**\n * Get the storage key for a service ID's PIN attempts\n */\nfunction getAttemptKey(serviceId: ServiceId): string {\n return `${STORAGE_KEYS.PIN_ATTEMPTS}:${serviceId}`;\n}\n\n/**\n * Get the current PIN attempt state for a service ID\n *\n * @param serviceId - Student service ID\n * @returns Current attempt state or null if none\n */\nexport function getAttemptState(serviceId: ServiceId): PinAttemptState | null {\n const key = getAttemptKey(serviceId);\n const data = sessionStorage.getItem(key);\n if (!data) {\n return null;\n }\n try {\n return JSON.parse(data) as PinAttemptState;\n } catch {\n return null;\n }\n}\n\n/**\n * Check if a service ID is currently locked out\n *\n * @param serviceId - Student service ID\n * @returns Object with isLocked status and remainingMs if locked\n */\nexport function checkLockout(serviceId: ServiceId): { isLocked: boolean; remainingMs: number } {\n const state = getAttemptState(serviceId);\n if (!state || !state.lockoutUntil) {\n return { isLocked: false, remainingMs: 0 };\n }\n\n const lockoutTime = new Date(state.lockoutUntil).getTime();\n const now = Date.now();\n\n if (lockoutTime > now) {\n return { isLocked: true, remainingMs: lockoutTime - now };\n }\n\n // Lockout expired, clear state\n clearAttemptState(serviceId);\n return { isLocked: false, remainingMs: 0 };\n}\n\n/**\n * Record a failed PIN attempt\n *\n * Increments attempt counter and sets lockout if threshold reached.\n *\n * @param serviceId - Student service ID\n * @returns Updated attempt state\n */\nexport function recordFailedAttempt(serviceId: ServiceId): PinAttemptState {\n const now = new Date().toISOString();\n let state = getAttemptState(serviceId);\n\n if (!state) {\n state = {\n serviceId,\n attempts: 0,\n lockoutUntil: null,\n lastAttempt: now,\n };\n }\n\n state.attempts += 1;\n state.lastAttempt = now;\n\n // Check if lockout threshold reached\n if (state.attempts >= PIN_CONSTANTS.MAX_ATTEMPTS) {\n const lockoutTime = new Date(Date.now() + PIN_CONSTANTS.LOCKOUT_MS);\n state.lockoutUntil = lockoutTime.toISOString();\n warn(\n `PIN lockout triggered for ${maskServiceId(serviceId)} after ${state.attempts} failed attempts`,\n );\n } else {\n info(\n `Failed PIN attempt ${state.attempts}/${PIN_CONSTANTS.MAX_ATTEMPTS} for ${maskServiceId(serviceId)}`,\n );\n }\n\n // Save to sessionStorage\n const key = getAttemptKey(serviceId);\n sessionStorage.setItem(key, JSON.stringify(state));\n\n return state;\n}\n\n/**\n * Clear PIN attempt state on successful login\n *\n * @param serviceId - Student service ID\n */\nexport function clearAttemptState(serviceId: ServiceId): void {\n const state = getAttemptState(serviceId);\n if (state && state.attempts > 0) {\n info(\n `Cleared ${state.attempts} failed PIN attempts for ${maskServiceId(serviceId)} on successful login`,\n );\n }\n const key = getAttemptKey(serviceId);\n sessionStorage.removeItem(key);\n}\n\n/**\n * Get remaining attempts before lockout\n *\n * @param serviceId - Student service ID\n * @returns Number of attempts remaining (0 if locked out)\n */\nexport function getRemainingAttempts(serviceId: ServiceId): number {\n const state = getAttemptState(serviceId);\n if (!state) {\n return PIN_CONSTANTS.MAX_ATTEMPTS;\n }\n\n const lockout = checkLockout(serviceId);\n if (lockout.isLocked) {\n return 0;\n }\n\n return Math.max(0, PIN_CONSTANTS.MAX_ATTEMPTS - state.attempts);\n}\n","/**\n * Build Info Component\n *\n * Displays a small info icon (i) that shows build information on hover.\n * Tooltip shows: app name and build date.\n *\n * @element qd-build-info\n *\n * @example\n * ```html\n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement } from 'lit/decorators.js';\n\n// Type declaration for Vite build-time constant\ndeclare const __BUILD_DATE__: string;\n\n/**\n * Build info component with tooltip\n */\n@customElement('qd-build-info')\nexport class QdBuildInfo extends LitElement {\n static styles = css`\n :host {\n display: inline-block;\n position: relative;\n }\n\n .info-icon {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 16px;\n height: 16px;\n border-radius: 50%;\n background: #6c757d;\n color: white;\n font-size: 10px;\n font-weight: bold;\n font-style: italic;\n font-family: Georgia, serif;\n cursor: help;\n user-select: none;\n }\n\n .info-icon:hover {\n background: #5a6268;\n }\n\n .tooltip {\n position: absolute;\n top: 50%;\n right: 100%;\n transform: translateY(-50%);\n margin-right: 8px;\n padding: 8px 12px;\n background: #333;\n color: white;\n font-size: 11px;\n font-style: normal;\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n border-radius: 4px;\n white-space: nowrap;\n opacity: 0;\n visibility: hidden;\n transition:\n opacity 0.2s,\n visibility 0.2s;\n z-index: 1000;\n pointer-events: none;\n }\n\n .tooltip::after {\n content: '';\n position: absolute;\n top: 50%;\n left: 100%;\n transform: translateY(-50%);\n border: 5px solid transparent;\n border-left-color: #333;\n }\n\n .info-icon:hover + .tooltip,\n .info-icon:focus + .tooltip {\n opacity: 1;\n visibility: visible;\n }\n\n .tooltip-line {\n display: block;\n line-height: 1.4;\n }\n `;\n\n render() {\n const buildDate = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : 'Development';\n\n return html`\n i\n
                                  \n BrowserTest, from Deep Blue C Ltd\n Built ${buildDate}\n
                                  \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-build-info': QdBuildInfo;\n }\n}\n","/**\n * Base Modal Component\n *\n * Reusable modal with backdrop, keyboard handling, and focus trap.\n * Uses fixed positioning with high z-index for proper stacking.\n * Used as base for scores modal, password modal, and confirm dialogs.\n *\n * @element qd-modal\n * @fires {CustomEvent} qd:modal-close - Emitted when modal closes via Escape or backdrop click\n *\n * @slot - Default slot for modal content\n * @slot header - Optional header slot for modal title\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\n\n// Track currently open modal for collision handling\n// Using globalThis to ensure state persists across module re-imports in test environments\nconst MODAL_STATE_KEY = '__qdModalCurrentRef__';\n\nfunction getCurrentModal(): QdModal | null {\n return ((globalThis as Record)[MODAL_STATE_KEY] as QdModal) ?? null;\n}\n\nfunction setCurrentModal(modal: QdModal | null): void {\n (globalThis as Record)[MODAL_STATE_KEY] = modal;\n}\n\n/**\n * Base modal component with common modal behavior\n * Moves entire element to document.body when open to escape stacking context issues\n */\n@customElement('qd-modal')\nexport class QdModal extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .backdrop {\n display: none;\n }\n\n :host([open]) .backdrop {\n display: flex;\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: rgba(0, 0, 0, 0.5);\n align-items: center;\n justify-content: center;\n z-index: 99999;\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n animation: qd-modal-fadeIn 0.15s ease-out;\n }\n\n @keyframes qd-modal-fadeIn {\n from {\n opacity: 0;\n }\n to {\n opacity: 1;\n }\n }\n\n .content {\n background: white;\n border-radius: 8px;\n box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);\n max-width: 90vw;\n max-height: 90vh;\n overflow: auto;\n animation: qd-modal-slideIn 0.15s ease-out;\n }\n\n @keyframes qd-modal-slideIn {\n from {\n transform: translateY(-20px);\n opacity: 0;\n }\n to {\n transform: translateY(0);\n opacity: 1;\n }\n }\n\n .header {\n display: flex;\n align-items: center;\n justify-content: space-between;\n padding: 16px 20px;\n border-bottom: 1px solid #eee;\n font-weight: 600;\n font-size: 18px;\n }\n\n .header ::slotted(*) {\n margin: 0;\n }\n\n .close-button {\n background: none;\n border: none;\n cursor: pointer;\n padding: 4px 8px;\n font-size: 20px;\n color: #666;\n line-height: 1;\n border-radius: 4px;\n transition:\n background-color 0.2s,\n color 0.2s;\n margin-left: auto;\n }\n\n .close-button:hover {\n background: #f0f0f0;\n color: #333;\n }\n\n .close-button:focus {\n outline: 2px solid #0066cc;\n outline-offset: 2px;\n }\n\n .body {\n padding: 20px;\n }\n `;\n\n /**\n * Whether the modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Whether the modal can be closed via Escape/backdrop click\n */\n @property({ type: Boolean })\n closable = true;\n\n /**\n * Previously focused element (for focus restoration)\n */\n private previouslyFocused: Element | null = null;\n\n /**\n * Original parent element (for restoration when closing)\n */\n private originalParent: ParentNode | null = null;\n\n /**\n * Original next sibling (to restore position in DOM)\n */\n private originalNextSibling: Node | null = null;\n\n /**\n * Whether we're currently in body (to prevent double-moves)\n */\n private isInBody = false;\n\n connectedCallback() {\n super.connectedCallback();\n document.addEventListener('keydown', this.handleKeyDown);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('keydown', this.handleKeyDown);\n\n // Clean up if this was the open modal\n // But NOT if we're just moving to body (isInBody will be true during that move)\n if (getCurrentModal() === this && !this.isInBody) {\n setCurrentModal(null);\n }\n }\n\n override updated(changedProperties: Map) {\n if (changedProperties.has('open')) {\n if (this.open) {\n this.handleOpen();\n } else {\n this.handleClose();\n }\n }\n }\n\n /**\n * Move this element to document.body to escape stacking contexts\n */\n private moveToBody(): void {\n if (this.isInBody) return;\n\n // Store original location for restoration\n this.originalParent = this.parentNode;\n this.originalNextSibling = this.nextSibling;\n\n // Set flag BEFORE move so disconnectedCallback knows we're just relocating\n this.isInBody = true;\n\n // Move to body\n document.body.appendChild(this);\n }\n\n /**\n * Restore this element to its original position in the DOM\n */\n private restorePosition(): void {\n if (!this.isInBody || !this.originalParent) return;\n\n // Restore to original position\n if (this.originalNextSibling) {\n this.originalParent.insertBefore(this, this.originalNextSibling);\n } else {\n this.originalParent.appendChild(this);\n }\n\n this.originalParent = null;\n this.originalNextSibling = null;\n this.isInBody = false;\n }\n\n override render() {\n return html`\n
                                  \n
                                  \n
                                  \n \n ${this.closable\n ? html`\n ×\n `\n : ''}\n
                                  \n
                                  \n \n
                                  \n
                                  \n
                                  \n `;\n }\n\n /**\n * Open the modal\n */\n show() {\n this.open = true;\n }\n\n /**\n * Close the modal\n */\n close() {\n this.open = false;\n }\n\n /**\n * Handle modal opening\n */\n private handleOpen() {\n // Modal collision: close any existing open modal\n const currentModal = getCurrentModal();\n if (currentModal && currentModal !== this) {\n currentModal.close();\n }\n setCurrentModal(this);\n\n // Store currently focused element for restoration\n this.previouslyFocused = document.activeElement;\n\n // Move element to body to escape stacking contexts\n this.moveToBody();\n\n // Focus first element after render\n requestAnimationFrame(() => {\n this.focusFirstElement();\n });\n }\n\n /**\n * Handle modal closing\n */\n private handleClose() {\n if (getCurrentModal() === this) {\n setCurrentModal(null);\n }\n\n // Restore element to original position\n this.restorePosition();\n\n // Restore focus\n if (this.previouslyFocused instanceof HTMLElement) {\n this.previouslyFocused.focus();\n }\n }\n\n /**\n * Focus the first focusable element in the modal\n */\n private focusFirstElement() {\n const content = this.shadowRoot?.querySelector('.content');\n if (!content) return;\n\n // Check slotted content for focusable elements\n const slot = this.shadowRoot?.querySelector('slot:not([name])') as HTMLSlotElement;\n if (slot) {\n const assignedElements = slot.assignedElements({ flatten: true });\n for (const el of assignedElements) {\n const focusable = el.querySelector(\n 'button, [href], input, select, textarea, [tabindex]:not([tabindex=\"-1\"])',\n );\n if (focusable) {\n focusable.focus();\n return;\n }\n // Check if element itself is focusable\n if (\n el instanceof HTMLElement &&\n el.matches('button, [href], input, select, textarea, [tabindex]:not([tabindex=\"-1\"])')\n ) {\n el.focus();\n return;\n }\n }\n }\n\n // Fall back to close button\n const closeBtn = this.shadowRoot?.querySelector('.close-button');\n if (closeBtn) {\n closeBtn.focus();\n }\n }\n\n /**\n * Handle keyboard events\n */\n private handleKeyDown = (event: KeyboardEvent) => {\n if (event.key === 'Escape' && this.open && this.closable) {\n this.emitCloseEvent();\n this.close();\n }\n };\n\n /**\n * Handle backdrop click\n */\n private handleBackdropClick = () => {\n if (this.closable) {\n this.emitCloseEvent();\n this.close();\n }\n };\n\n /**\n * Handle close button click\n */\n private handleCloseClick = () => {\n this.emitCloseEvent();\n this.close();\n };\n\n /**\n * Stop propagation for content clicks\n */\n private stopPropagation = (event: Event) => {\n event.stopPropagation();\n };\n\n /**\n * Emit close event\n */\n private emitCloseEvent() {\n const event = new CustomEvent('qd:modal-close', {\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-modal': QdModal;\n }\n}\n","/**\n * Password modal component\n *\n * Reusable password entry modal using qd-modal base.\n * Used by qd-login for instructor authentication.\n *\n * Feature: 007-lit-component-refactor\n *\n * @element qd-password-modal\n * @fires {CustomEvent<{password: string}>} qd:password-submit - Emitted on form submission\n * @fires {CustomEvent} close - Emitted when modal closes\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state, query } from 'lit/decorators.js';\nimport './qd-modal.js';\n\n@customElement('qd-password-modal')\nexport class QdPasswordModal extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .password-form {\n display: flex;\n flex-direction: column;\n gap: 16px;\n padding: 8px 0;\n }\n\n .form-field {\n display: flex;\n flex-direction: column;\n gap: 4px;\n }\n\n label {\n font-size: 13px;\n font-weight: 500;\n color: #333;\n }\n\n input[type='password'] {\n padding: 8px 12px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 14px;\n width: 100%;\n box-sizing: border-box;\n }\n\n input[type='password']:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n\n .button-row {\n display: flex;\n gap: 8px;\n justify-content: flex-end;\n margin-top: 8px;\n }\n\n button {\n padding: 8px 16px;\n border: none;\n border-radius: 4px;\n font-size: 13px;\n font-weight: 500;\n cursor: pointer;\n transition: background-color 0.2s;\n }\n\n button[type='submit'] {\n background: #0066cc;\n color: white;\n }\n\n button[type='submit']:hover {\n background: #0052a3;\n }\n\n button[type='button'] {\n background: #e0e0e0;\n color: #333;\n }\n\n button[type='button']:hover {\n background: #d0d0d0;\n }\n `;\n\n /**\n * Whether modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Modal title\n */\n @property({ type: String })\n title = 'Enter Password';\n\n /**\n * Error message to display\n */\n @property({ type: String })\n error = '';\n\n /**\n * Internal password value\n */\n @state()\n private password = '';\n\n /**\n * Reference to password input\n */\n @query('input[type=\"password\"]')\n private passwordInput!: HTMLInputElement;\n\n /**\n * Show the modal\n */\n show(): void {\n this.open = true;\n this.password = '';\n this.error = '';\n }\n\n /**\n * Close the modal\n */\n close(): void {\n this.open = false;\n this.password = '';\n this.error = '';\n this.dispatchEvent(new CustomEvent('close', { bubbles: true, composed: true }));\n }\n\n /**\n * Handle modal close from qd-modal\n */\n private handleModalClose = (): void => {\n this.close();\n };\n\n /**\n * Handle password input\n */\n private handleInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.password = input.value;\n // Clear error on input\n if (this.error) {\n this.error = '';\n }\n };\n\n /**\n * Handle form submission\n */\n private handleSubmit = (e: Event): void => {\n e.preventDefault();\n\n if (!this.password.trim()) {\n return;\n }\n\n this.dispatchEvent(\n new CustomEvent('qd:password-submit', {\n detail: { password: this.password },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle cancel button\n */\n private handleCancel = (): void => {\n this.close();\n };\n\n /**\n * Focus password input when modal opens\n */\n override updated(changedProps: Map): void {\n if (changedProps.has('open') && this.open) {\n // Reset state when opening\n this.password = '';\n // Focus input after render\n void this.updateComplete.then(() => {\n this.passwordInput?.focus();\n });\n }\n }\n\n override render() {\n // Always render qd-modal so it can properly restore position when closing\n // Only render form content when open\n return html`\n \n ${this.title}\n\n ${this.open\n ? html`\n
                                  \n
                                  \n \n \n
                                  \n\n ${this.error ? html`
                                  ${this.error}
                                  ` : ''}\n\n
                                  \n \n \n
                                  \n
                                  \n `\n : nothing}\n                                   \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-password-modal': QdPasswordModal;\n }\n}\n","import{desc as t}from\"./base.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */function e(e,r){return(n,s,i)=>{const o=t=>t.renderRoot?.querySelector(e)??null;if(r){const{get:e,set:r}=\"object\"==typeof s?n:i??(()=>{const t=Symbol();return{get(){return this[t]},set(e){this[t]=e}}})();return t(n,s,{get(){let t=e.call(this);return void 0===t&&(t=o(this),(null!==t||this.hasUpdated)&&r.call(this,t)),t}})}return t(n,s,{get(){return o(this)}})}}export{e as query};\n//# sourceMappingURL=query.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst e=(e,t,c)=>(c.configurable=!0,c.enumerable=!0,Reflect.decorate&&\"object\"!=typeof t&&Object.defineProperty(e,t,c),c);export{e as desc};\n//# sourceMappingURL=base.js.map\n","/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\nconst t={ATTRIBUTE:1,CHILD:2,PROPERTY:3,BOOLEAN_ATTRIBUTE:4,EVENT:5,ELEMENT:6},e=t=>(...e)=>({_$litDirective$:t,values:e});class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,e,i){this._$Ct=t,this._$AM=e,this._$Ci=i}_$AS(t,e){return this.update(t,e)}update(t,e){return this.render(...e)}}export{i as Directive,t as PartType,e as directive};\n//# sourceMappingURL=directive.js.map\n","import{nothing as t,noChange as i}from\"../lit-html.js\";import{Directive as r,PartType as s,directive as n}from\"../directive.js\";\n/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */class e extends r{constructor(i){if(super(i),this.it=t,i.type!==s.CHILD)throw Error(this.constructor.directiveName+\"() can only be used in child bindings\")}render(r){if(r===t||null==r)return this._t=void 0,this.it=r;if(r===i)return r;if(\"string\"!=typeof r)throw Error(this.constructor.directiveName+\"() called with a non-string value\");if(r===this.it)return this._t;this.it=r;const s=[r];return s.raw=s,this._t={_$litType$:this.constructor.resultType,strings:s,values:[]}}}e.directiveName=\"unsafeHTML\",e.resultType=1;const o=n(e);export{e as UnsafeHTMLDirective,o as unsafeHTML};\n//# sourceMappingURL=unsafe-html.js.map\n","/**\n * Confirmation dialog component\n *\n * Reusable confirmation modal using qd-modal base.\n * Supports confirm/cancel buttons with optional destructive styling.\n *\n * Feature: 007-lit-component-refactor\n *\n * @element qd-confirm-dialog\n * @fires {CustomEvent} qd:confirm - Emitted when confirm button is clicked\n * @fires {CustomEvent} qd:cancel - Emitted when cancel button is clicked or dialog is dismissed\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { unsafeHTML } from 'lit/directives/unsafe-html.js';\nimport './qd-modal.js';\n\n@customElement('qd-confirm-dialog')\nexport class QdConfirmDialog extends LitElement {\n static override styles = css`\n :host {\n display: contents;\n }\n\n .confirm-content {\n padding: 8px 0;\n }\n\n .message {\n font-size: 14px;\n color: #333;\n line-height: 1.5;\n margin-bottom: 24px;\n }\n\n .button-row {\n display: flex;\n gap: 8px;\n justify-content: flex-end;\n }\n\n button {\n padding: 8px 16px;\n border: none;\n border-radius: 4px;\n font-size: 13px;\n font-weight: 500;\n cursor: pointer;\n transition: background-color 0.2s;\n }\n\n .cancel-btn {\n background: #e0e0e0;\n color: #333;\n }\n\n .cancel-btn:hover {\n background: #d0d0d0;\n }\n\n .confirm-btn {\n background: #0066cc;\n color: white;\n }\n\n .confirm-btn:hover {\n background: #0052a3;\n }\n\n .confirm-btn.destructive {\n background: #d32f2f;\n }\n\n .confirm-btn.destructive:hover {\n background: #b71c1c;\n }\n `;\n\n /**\n * Whether dialog is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Dialog title\n */\n @property({ type: String })\n title = 'Confirm';\n\n /**\n * Message to display (supports HTML)\n */\n @property({ type: String })\n message = '';\n\n /**\n * Text for confirm button\n */\n @property({ type: String })\n confirmText = 'Confirm';\n\n /**\n * Text for cancel button\n */\n @property({ type: String })\n cancelText = 'Cancel';\n\n /**\n * Whether this is a destructive action (red confirm button)\n */\n @property({ type: Boolean })\n destructive = false;\n\n /**\n * Show the dialog\n */\n show(): void {\n this.open = true;\n }\n\n /**\n * Close the dialog\n */\n close(): void {\n this.open = false;\n }\n\n /**\n * Handle modal close from qd-modal (backdrop click, Escape)\n */\n private handleModalClose = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:cancel', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle confirm button click\n */\n private handleConfirm = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:confirm', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n /**\n * Handle cancel button click\n */\n private handleCancel = (): void => {\n this.close();\n this.dispatchEvent(\n new CustomEvent('qd:cancel', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n override render() {\n return html`\n \n ${this.title}\n\n
                                  \n
                                  ${unsafeHTML(this.message)}
                                  \n\n
                                  \n \n \n ${this.confirmText}\n \n
                                  \n
                                  \n                                   \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-confirm-dialog': QdConfirmDialog;\n }\n}\n","/**\n * Help Trigger Component\n *\n * A small help icon button (?) that triggers contextual help popups.\n * Emits qd:help-open event when activated via click or keyboard (Enter/Space).\n *\n * @element qd-help-trigger\n * @fires {CustomEvent<{panelType: string}>} qd:help-open - Emitted when help is requested\n *\n * @example\n * ```html\n * \n * ```\n *\n * Feature: 008-user-guidance-popups\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\n\n/**\n * Help trigger button component\n */\n@customElement('qd-help-trigger')\nexport class QdHelpTrigger extends LitElement {\n static styles = css`\n :host {\n display: inline-block;\n }\n\n .help-icon {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 20px;\n height: 20px;\n border-radius: 50%;\n background: #0066cc;\n color: white;\n font-size: 12px;\n font-weight: bold;\n font-family: system-ui, -apple-system, sans-serif;\n cursor: pointer;\n border: none;\n padding: 0;\n transition: background 0.15s ease;\n }\n\n .help-icon:hover {\n background: #0052a3;\n }\n\n .help-icon:focus {\n outline: 2px solid #0066cc;\n outline-offset: 2px;\n }\n\n .help-icon:active {\n background: #004080;\n }\n `;\n\n /**\n * Which panel this trigger belongs to\n */\n @property({ type: String })\n panelType: 'login' | 'status' | 'instructor' = 'login';\n\n /**\n * Handle click/activation\n */\n private handleClick = () => {\n this.dispatchEvent(\n new CustomEvent('qd:help-open', {\n detail: { panelType: this.panelType },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n render() {\n return html`\n \n ?\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-help-trigger': QdHelpTrigger;\n }\n}\n","/**\n * Help Popup Component\n *\n * A modal popup that displays contextual help content.\n * Wraps qd-modal to provide help-specific styling and behavior.\n *\n * @element qd-help-popup\n * @fires {CustomEvent} qd:modal-close - Emitted when popup closes\n *\n * @example\n * ```html\n * this.helpOpen = false}\n * >\n * ```\n *\n * Feature: 008-user-guidance-popups\n */\n\nimport { LitElement, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\n\n// Help popup styles for portal rendering\nconst HELP_POPUP_STYLES = `\n.qd-help-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:99999;font-family:system-ui,-apple-system,sans-serif}\n.qd-help-content{background:#fff;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.3);max-width:450px;max-height:80vh;overflow:auto}\n.qd-help-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #eee}\n.qd-help-title{font-weight:600;font-size:18px;color:#333;margin:0}\n.qd-help-close{background:none;border:none;font-size:24px;color:#666;cursor:pointer;padding:0;line-height:1;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:4px}\n.qd-help-close:hover{background:#f0f0f0;color:#333}\n.qd-help-close:focus{outline:2px solid #0066cc;outline-offset:2px}\n.qd-help-body{padding:20px;line-height:1.6;color:#444}\n.qd-help-body h3{margin-top:0;margin-bottom:12px;color:#333;font-size:16px}\n.qd-help-body p{margin:0 0 12px 0}\n.qd-help-body p:last-child{margin-bottom:0}\n.qd-help-body strong{color:#333}`;\n\n/**\n * Help popup modal component\n */\n@customElement('qd-help-popup')\nexport class QdHelpPopup extends LitElement {\n /**\n * Style element for help popup CSS (injected once)\n */\n private static styleElement: HTMLStyleElement | null = null;\n\n /**\n * Portal element appended to body\n */\n private portalElement: HTMLDivElement | null = null;\n\n /**\n * Previously focused element for restoration\n */\n private previouslyFocused: Element | null = null;\n\n /**\n * Whether the popup is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Popup title\n */\n @property({ type: String })\n title = 'Help';\n\n /**\n * HTML content to display (from readHelpContent)\n */\n @property({ type: String })\n content = '';\n\n /**\n * Track internal open state for portal management\n */\n @state()\n private _isOpen = false;\n\n connectedCallback() {\n super.connectedCallback();\n document.addEventListener('keydown', this.handleKeyDown);\n this.ensureStyles();\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('keydown', this.handleKeyDown);\n this.removePortal();\n }\n\n updated(changedProperties: Map) {\n if (changedProperties.has('open')) {\n if (this.open && !this._isOpen) {\n this.handleOpen();\n } else if (!this.open && this._isOpen) {\n this.handleClose();\n }\n }\n }\n\n /**\n * Ensure help popup styles are added to document head (once)\n */\n private ensureStyles() {\n if (!QdHelpPopup.styleElement) {\n QdHelpPopup.styleElement = document.createElement('style');\n QdHelpPopup.styleElement.textContent = HELP_POPUP_STYLES;\n document.head.appendChild(QdHelpPopup.styleElement);\n }\n }\n\n /**\n * Create and show the portal\n */\n private createPortal() {\n this.removePortal();\n\n // Create backdrop\n this.portalElement = document.createElement('div');\n this.portalElement.className = 'qd-help-backdrop';\n this.portalElement.addEventListener('click', this.handleBackdropClick);\n\n // Create content container\n const contentEl = document.createElement('div');\n contentEl.className = 'qd-help-content';\n contentEl.setAttribute('role', 'dialog');\n contentEl.setAttribute('aria-modal', 'true');\n contentEl.setAttribute('aria-labelledby', 'qd-help-title');\n contentEl.addEventListener('click', this.stopPropagation);\n\n // Create header\n const headerEl = document.createElement('div');\n headerEl.className = 'qd-help-header';\n\n const titleEl = document.createElement('h2');\n titleEl.className = 'qd-help-title';\n titleEl.id = 'qd-help-title';\n titleEl.textContent = this.title;\n\n const closeBtn = document.createElement('button');\n closeBtn.className = 'qd-help-close';\n closeBtn.setAttribute('aria-label', 'Close');\n closeBtn.innerHTML = '×';\n closeBtn.addEventListener('click', this.handleCloseClick);\n\n headerEl.appendChild(titleEl);\n headerEl.appendChild(closeBtn);\n\n // Create body\n const bodyEl = document.createElement('div');\n bodyEl.className = 'qd-help-body';\n bodyEl.innerHTML = this.content;\n\n contentEl.appendChild(headerEl);\n contentEl.appendChild(bodyEl);\n this.portalElement.appendChild(contentEl);\n document.body.appendChild(this.portalElement);\n\n // Focus close button\n requestAnimationFrame(() => {\n closeBtn.focus();\n });\n }\n\n /**\n * Remove portal from DOM\n */\n private removePortal() {\n if (this.portalElement) {\n this.portalElement.remove();\n this.portalElement = null;\n }\n }\n\n /**\n * Handle opening\n */\n private handleOpen() {\n this._isOpen = true;\n this.previouslyFocused = document.activeElement;\n this.createPortal();\n }\n\n /**\n * Handle closing\n */\n private handleClose() {\n this._isOpen = false;\n this.removePortal();\n\n // Restore focus\n if (this.previouslyFocused instanceof HTMLElement) {\n this.previouslyFocused.focus();\n }\n }\n\n /**\n * Handle keyboard events\n */\n private handleKeyDown = (event: KeyboardEvent) => {\n if (event.key === 'Escape' && this._isOpen) {\n this.close();\n }\n };\n\n /**\n * Handle backdrop click\n */\n private handleBackdropClick = () => {\n this.close();\n };\n\n /**\n * Handle close button click\n */\n private handleCloseClick = () => {\n this.close();\n };\n\n /**\n * Stop propagation for content clicks\n */\n private stopPropagation = (event: Event) => {\n event.stopPropagation();\n };\n\n /**\n * Close the popup and emit event\n */\n close() {\n this.open = false;\n this.dispatchEvent(\n new CustomEvent('qd:modal-close', {\n bubbles: true,\n composed: true,\n }),\n );\n }\n\n render() {\n // Portal renders to body, component renders nothing\n return nothing;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-help-popup': QdHelpPopup;\n }\n}\n","/**\n * Help Content Configuration\n *\n * Centralized help text for all panels. Edit this file to update help content.\n * Feature: 008-user-guidance-popups\n */\n\nexport type HelpPanelType = 'login' | 'status' | 'instructor';\n\nexport interface HelpContent {\n title: string;\n body: string;\n}\n\n/**\n * Help content for each panel type\n */\nexport const HELP_CONTENT: Record = {\n login: {\n title: 'Login Help',\n body: '

                                  Enter Name and Service ID to log in. Provide a new PIN if this is your first visit to this release of this document, otherwise use the PIN you previously created. Your instructor is able to reset PINs. See the Feedback page for more support.

                                  Instructors: click \"Instructor\" for instructor login page (password accompanies distribution).

                                  ',\n },\n\n status: {\n title: 'Student View',\n body: '

                                  Page color coding:

                                  • Green=All correct
                                  • Amber=Some answered
                                  • Red=None yet

                                  You can view your overall progress at attempted questions in the Test Progress panel.

                                  ',\n },\n\n instructor: {\n title: 'Instructor Tools',\n body: '

                                  • Show current answers: Toggle for display of student answers for the current page.
                                  • View All Scores: View table scores for all students.
                                  • Reset PIN: Reset student PINs.
                                  • Export CSV: CSV download of all scores/answers.
                                  • Erase All Data: Clear all stored student data.

                                  ',\n },\n};\n\n/**\n * Get help content for a panel type\n */\nexport function getHelpContent(panelType: HelpPanelType): HelpContent {\n return HELP_CONTENT[panelType];\n}\n","/**\n * Login Component\n *\n * Compact authentication for both students and instructors.\n * Horizontal layout with Name + Service ID fields, Login + Instructor buttons.\n * Release is read from document title (.wh_publication_title .title).\n *\n * @element qd-login\n * @fires {CustomEvent<{serviceId: string, name: string, release: string, role: 'student' | 'instructor'}>} qd:login - Emitted on successful auth\n *\n * @example\n * ```html\n *
                                  \n * TRV Connectors Autumn 2025\n *
                                  \n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state, property } from 'lit/decorators.js';\nimport { STORAGE_KEYS, SCHEMA_VERSION } from '../types/contracts.js';\nimport type { SessionData, StudentRecord } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { validateStudentForm, sanitizePinInput } from '../utils/validation-helpers.js';\nimport { SessionService } from '../services/session.js';\nimport { CONFIG_IDS } from '../config/dom-config-reader.js';\nimport { getStorageAdapter } from '../services/storage/indexeddb.js';\nimport { needsMigration, hasPinSet, completePinSetup } from '../services/storage/migration.js';\nimport { verifyPin, hashPin } from '../services/auth/pin-service.js';\nimport {\n checkLockout,\n recordFailedAttempt,\n clearAttemptState,\n getRemainingAttempts,\n} from '../services/auth/rate-limiter.js';\nimport './qd-build-info.js';\nimport './qd-password-modal.js';\nimport './qd-confirm-dialog.js';\nimport './qd-help-trigger.js';\nimport './qd-help-popup.js';\nimport { getHelpContent } from '../config/help-content.js';\n\n/**\n * Login event data\n */\ninterface LoginData {\n serviceId: string;\n name: string;\n release: string;\n role: 'student' | 'instructor';\n}\n\n/**\n * Login component for student and instructor authentication\n */\n@customElement('qd-login')\nexport class QdLogin extends LitElement {\n /**\n * Title text (configurable via init())\n */\n @property({ type: String })\n title = 'Sonar Quiz System';\n\n /**\n * Form field: Student name\n */\n @state()\n private name = '';\n\n /**\n * Form field: Service ID (2-10 alphanumeric)\n */\n @state()\n private serviceId = '';\n\n /**\n * Whether instructor modal is open\n */\n @state()\n private showInstructorModal = false;\n\n /**\n * Instructor modal error message\n */\n @state()\n private instructorError = '';\n\n /**\n * Error message to display\n */\n @state()\n private errorMessage = '';\n\n /**\n * Whether form is currently submitting\n */\n @state()\n private isSubmitting = false;\n\n /**\n * PIN input\n */\n @state()\n private pin = '';\n\n /**\n * Lockout countdown in seconds\n */\n @state()\n private lockoutSeconds = 0;\n\n /**\n * Whether PIN stored confirmation is shown\n */\n @state()\n private showPinConfirmation = false;\n\n /**\n * Whether help popup is open\n */\n @state()\n private helpOpen = false;\n\n /**\n * Lockout countdown interval\n */\n private lockoutInterval: number | null = null;\n\n static styles = css`\n :host {\n display: none; /* Hidden if already logged in */\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n }\n\n :host([data-show]) {\n display: block;\n }\n\n .login-container {\n padding: 8px 12px;\n background: #fff;\n border: 1px solid #ddd;\n border-radius: 4px;\n max-width: 480px;\n }\n\n .title {\n margin: 0 0 8px 0;\n font-size: 15px;\n font-weight: 600;\n color: #333;\n }\n\n .login-form {\n display: flex;\n gap: 6px;\n align-items: flex-start;\n flex-wrap: wrap;\n }\n\n input {\n padding: 6px 10px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 11px;\n width: 110px;\n min-width: 75px;\n max-width: 110px;\n }\n\n input.pin-input {\n width: 45px;\n min-width: 45px;\n max-width: 45px;\n text-align: center;\n letter-spacing: 1px;\n }\n\n input:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n input:disabled {\n background-color: #f5f5f5;\n cursor: not-allowed;\n }\n\n button {\n padding: 6px 12px;\n border: none;\n border-radius: 4px;\n font-size: 11px;\n font-weight: 500;\n cursor: pointer;\n transition: all 0.2s;\n white-space: nowrap;\n }\n\n .login-btn {\n background: #0066cc;\n color: white;\n }\n\n .login-btn:hover:not(:disabled) {\n background: #0052a3;\n }\n\n .login-btn:disabled {\n background: #ccc;\n cursor: not-allowed;\n }\n\n .instructor-btn {\n background: #6c757d;\n color: white;\n }\n\n .instructor-btn:hover {\n background: #5a6268;\n }\n\n .error-message {\n width: 100%;\n color: #d32f2f;\n font-size: 11px;\n margin-top: 3px;\n padding: 4px 8px;\n background: #ffebee;\n border-radius: 3px;\n border-left: 3px solid #d32f2f;\n }\n\n .lockout-message {\n width: 100%;\n color: #f57c00;\n font-size: 11px;\n margin-top: 3px;\n padding: 4px 8px;\n background: #fff3e0;\n border-radius: 3px;\n border-left: 3px solid #f57c00;\n }\n\n /* Responsive */\n @media (max-width: 600px) {\n .login-form {\n flex-direction: column;\n }\n\n input,\n button {\n width: 100%;\n }\n }\n `;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n }\n\n /**\n * Lifecycle: Called after first render completes (shadow DOM ready)\n */\n firstUpdated() {\n this.setAttribute('data-ready', '');\n }\n\n /**\n * Update visibility - show only if NOT logged in\n */\n private updateVisibility(): void {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n /**\n * Handle logout event - show login form again\n */\n private handleLogoutEvent = (): void => {\n // Reset component state\n this.name = '';\n this.serviceId = '';\n this.errorMessage = '';\n this.isSubmitting = false;\n this.showInstructorModal = false;\n this.instructorError = '';\n this.pin = '';\n this.lockoutSeconds = 0;\n this.showPinConfirmation = false;\n this.helpOpen = false;\n\n // Clean up lockout interval\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n\n // Show login form\n this.updateVisibility();\n };\n\n render() {\n return html`\n
                                  \n
                                  \n ${this.title}\n \n \n
                                  \n\n
                                  this.handleStudentLogin(e)}>\n this.handleNameInput(e)}\n ?disabled=${this.isSubmitting}\n required\n />\n\n this.handleServiceIdInput(e)}\n ?disabled=${this.isSubmitting}\n pattern=\"[A-Za-z0-9]{2,10}\"\n title=\"2-10 alphanumeric characters\"\n required\n />\n\n this.handlePinInput(e)}\n ?disabled=${this.isSubmitting || this.lockoutSeconds > 0}\n required\n />\n\n 0}\n >\n Login\n \n\n this.openInstructorModal()}\n ?disabled=${this.isSubmitting}\n >\n Instructor\n \n\n ${this.errorMessage ? html`
                                  ${this.errorMessage}
                                  ` : ''}\n ${this.lockoutSeconds > 0\n ? html`
                                  \n Too many attempts. Try again in ${this.lockoutSeconds}s\n
                                  `\n : ''}\n \n
                                  \n\n \n\n \n\n \n `;\n }\n\n /**\n * Handle help trigger click - open help popup\n */\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n /**\n * Handle help popup close\n */\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n /**\n * Handle password submission from modal\n */\n private handleInstructorPasswordSubmit = (e: CustomEvent<{ password: string }>): void => {\n void this.handleInstructorLogin(e.detail.password);\n };\n\n /**\n * Handle modal close\n */\n private handleInstructorModalClose = (): void => {\n this.showInstructorModal = false;\n this.instructorError = '';\n };\n\n /**\n * Handle name input\n */\n private handleNameInput(e: Event) {\n const input = e.target as HTMLInputElement;\n this.name = input.value;\n this.errorMessage = '';\n }\n\n /**\n * Handle service ID input\n */\n private handleServiceIdInput(e: Event) {\n const input = e.target as HTMLInputElement;\n this.serviceId = input.value;\n this.errorMessage = '';\n }\n\n /**\n * Handle PIN input\n */\n private handlePinInput(e: Event) {\n const input = e.target as HTMLInputElement;\n // Filter to digits only using validation helper\n this.pin = sanitizePinInput(input.value);\n this.errorMessage = '';\n }\n\n /**\n * Check if student form is valid using validation helper\n */\n private isValid(): boolean {\n const errors = validateStudentForm(this.name, this.serviceId, this.pin);\n return errors.length === 0;\n }\n\n /**\n * Get release from document title\n * Reads selector from config, then queries document\n */\n private getRelease(): string {\n // Read title selector from config element\n const selectorElement = document.getElementById(CONFIG_IDS.titleSelector);\n const selector = selectorElement?.textContent?.trim() || '.wh_publication_title .title';\n\n // Use selector to find title element\n const titleElement = document.querySelector(selector);\n return titleElement?.textContent?.trim() || '';\n }\n\n /**\n * Handle student login\n */\n private async handleStudentLogin(e: Event) {\n e.preventDefault();\n\n if (!this.isValid()) {\n this.errorMessage = 'Please enter name, service ID, and 4-digit PIN';\n return;\n }\n\n this.isSubmitting = true;\n this.errorMessage = '';\n\n try {\n const release = this.getRelease();\n if (!release) {\n this.errorMessage = 'Release not found (missing publication title element)';\n this.isSubmitting = false;\n return;\n }\n\n const serviceId = this.serviceId.trim();\n const name = this.name.trim();\n\n // Check for lockout\n const lockout = checkLockout(serviceId);\n if (lockout.isLocked) {\n this.startLockoutCountdown(lockout.remainingMs);\n this.isSubmitting = false;\n return;\n }\n\n // Get storage adapter with configured db name\n const dbNameElement = document.getElementById(CONFIG_IDS.dbName);\n if (!dbNameElement?.textContent?.trim()) {\n throw new Error(\n `Database name not configured. Add dbName to page.`,\n );\n }\n const dbName = dbNameElement.textContent.trim();\n const storage = getStorageAdapter(dbName);\n await storage.init();\n const existingStudent = await storage.getStudent(release, serviceId);\n\n if (existingStudent) {\n // Check if student needs PIN setup (migration or no PIN)\n if (needsMigration(existingStudent) || !hasPinSet(existingStudent)) {\n // Hash the entered PIN and update student\n const pinHash = await hashPin(this.pin);\n const updatedStudent = completePinSetup(existingStudent, pinHash);\n await storage.saveStudent(updatedStudent);\n\n // Emit PIN created event\n this.dispatchEvent(\n new CustomEvent('qd:pin-created', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Show confirmation and complete login\n this.showPinStoredConfirmation();\n this.completeLogin(serviceId, name, release);\n return;\n }\n\n // Existing student with PIN - verify it\n const isValid = await verifyPin(this.pin, existingStudent.pinHash || '');\n if (!isValid) {\n // Record failed attempt\n const state = recordFailedAttempt(serviceId);\n const remaining = getRemainingAttempts(serviceId);\n\n if (state.lockoutUntil) {\n const lockoutMs = new Date(state.lockoutUntil).getTime() - Date.now();\n this.startLockoutCountdown(lockoutMs);\n } else {\n this.errorMessage = `Incorrect PIN. ${remaining} attempt${remaining !== 1 ? 's' : ''} remaining`;\n }\n\n this.pin = '';\n this.isSubmitting = false;\n return;\n }\n\n // PIN verified - clear rate limit and emit event\n clearAttemptState(serviceId);\n this.dispatchEvent(\n new CustomEvent('qd:pin-verified', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n } else {\n // New student - hash PIN and create record\n const pinHash = await hashPin(this.pin);\n const newStudent: StudentRecord = {\n schema: SCHEMA_VERSION,\n docId: '',\n release,\n serviceId,\n name,\n attempted: 0,\n correct: 0,\n updated: new Date().toISOString(),\n pages: {},\n pinHash,\n pinCreatedAt: new Date().toISOString(),\n };\n await storage.saveStudent(newStudent);\n\n // Emit PIN created event\n this.dispatchEvent(\n new CustomEvent('qd:pin-created', {\n detail: { serviceId, timestamp: new Date().toISOString() },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Show confirmation and complete login\n this.showPinStoredConfirmation();\n this.completeLogin(serviceId, name, release);\n return;\n }\n\n // Complete the login\n this.completeLogin(serviceId, name, release);\n } catch (err) {\n this.errorMessage = 'Login failed. Please try again.';\n console.error('Student login error:', err);\n this.isSubmitting = false;\n }\n }\n\n /**\n * Show confirmation popup that PIN has been stored\n */\n private showPinStoredConfirmation(): void {\n this.showPinConfirmation = true;\n }\n\n /**\n * Handle PIN confirmation dialog dismiss\n */\n private handlePinConfirmationDismiss = (): void => {\n this.showPinConfirmation = false;\n };\n\n /**\n * Start lockout countdown timer\n */\n private startLockoutCountdown(remainingMs: number): void {\n this.lockoutSeconds = Math.ceil(remainingMs / 1000);\n this.errorMessage = '';\n\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n }\n\n this.lockoutInterval = window.setInterval(() => {\n this.lockoutSeconds--;\n if (this.lockoutSeconds <= 0) {\n if (this.lockoutInterval) {\n clearInterval(this.lockoutInterval);\n this.lockoutInterval = null;\n }\n }\n }, 1000);\n }\n\n /**\n * Complete the login process\n */\n private completeLogin(serviceId: string, name: string, release: string): void {\n // Create session in storage\n const sessionService = new SessionService();\n sessionService.createSession(serviceId, name, release);\n\n const loginData: LoginData = {\n serviceId,\n name,\n release,\n role: 'student',\n };\n\n const event = new CustomEvent('qd:login', {\n detail: loginData,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n\n // Reset state\n this.pin = '';\n this.isSubmitting = false;\n\n // Hide component on successful login\n this.updateVisibility();\n }\n\n /**\n * Open instructor modal\n */\n private openInstructorModal() {\n this.showInstructorModal = true;\n this.instructorError = '';\n }\n\n /**\n * Hash password using SHA-256\n */\n private async hashPassword(password: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n // Return first 12 characters for author-friendly Oxygen dialogs\n return hashArray\n .map((b) => b.toString(16).padStart(2, '0'))\n .join('')\n .substring(0, 12);\n }\n\n /**\n * Get expected password hash from hidden element\n */\n private getExpectedHash(): string {\n const hashElement = document.getElementById(CONFIG_IDS.instructorHash);\n return hashElement?.textContent?.trim() || '';\n }\n\n /**\n * Handle instructor login with password\n */\n private async handleInstructorLogin(password: string) {\n try {\n const passwordHash = await this.hashPassword(password);\n const expectedHash = this.getExpectedHash();\n\n if (!expectedHash) {\n this.instructorError = 'Instructor password not configured';\n return;\n }\n\n if (passwordHash !== expectedHash) {\n this.instructorError = 'Incorrect password';\n // TODO: Implement rate limiting (5 attempts per 60 seconds)\n return;\n }\n\n // Success\n const release = this.getRelease();\n\n // Create session in storage\n const sessionService = new SessionService();\n sessionService.createSession('INSTRUCTOR', 'Instructor', release || '');\n\n // Set instructor flag\n sessionStorage.setItem(STORAGE_KEYS.INSTRUCTOR, 'true');\n\n const loginData: LoginData = {\n serviceId: 'INSTRUCTOR',\n name: 'Instructor',\n release: release || '',\n role: 'instructor',\n };\n\n const event = new CustomEvent('qd:login', {\n detail: loginData,\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n\n // Close modal and hide component\n this.showInstructorModal = false;\n this.instructorError = '';\n this.updateVisibility();\n } catch (err) {\n this.instructorError = 'Login failed. Please try again.';\n console.error('Instructor login error:', err);\n }\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-login': QdLogin;\n }\n}\n","/**\n * Validation Helpers\n *\n * Pure functions for form validation and input sanitization.\n * Feature: 007-lit-component-refactor\n *\n * These functions have no side effects and no DOM dependencies,\n * making them easy to unit test.\n */\n\n/**\n * Validation error messages (array - empty if valid).\n */\nexport type ValidationErrors = string[];\n\n/**\n * Validates student login form fields.\n *\n * @param name - Student name\n * @param serviceId - Service ID (2-10 alphanumeric characters)\n * @param pin - 4-digit PIN\n * @returns Array of validation error messages (empty if valid)\n */\nexport function validateStudentForm(\n name: string,\n serviceId: string,\n pin: string,\n): ValidationErrors {\n const errors: ValidationErrors = [];\n\n // Validate name\n if (!name || name.trim() === '') {\n errors.push('Name required');\n }\n\n // Validate service ID - empty check first\n if (!serviceId) {\n errors.push('Service ID required');\n } else {\n // Then format check (2-10 alphanumeric)\n const serviceIdRegex = /^[a-zA-Z0-9]{2,10}$/;\n if (!serviceIdRegex.test(serviceId)) {\n errors.push('Service ID must be 2-10 alphanumeric characters');\n }\n }\n\n // Validate PIN - empty check first\n if (!pin) {\n errors.push('PIN required');\n } else {\n // Then format check (exactly 4 digits)\n const pinRegex = /^\\d{4}$/;\n if (!pinRegex.test(pin)) {\n errors.push('PIN must be exactly 4 digits');\n }\n }\n\n return errors;\n}\n\n/**\n * Sanitizes PIN input to only allow digits.\n *\n * @param input - Raw input string\n * @returns String with non-digit characters removed\n */\nexport function sanitizePinInput(input: string): string {\n return input.replace(/\\D/g, '');\n}\n\n/**\n * Validates that PIN and confirmation match.\n *\n * @param pin - Original PIN\n * @param confirmPin - Confirmation PIN\n * @returns True if they match\n */\nexport function validatePinMatch(pin: string, confirmPin: string): boolean {\n return pin === confirmPin;\n}\n","/**\n * Schema Migration Service\n *\n * Handles lazy migration of student records from v1 to v2.\n * Migration occurs on first login for existing students.\n */\n\nimport type { StudentRecord } from '../../types/contracts.js';\nimport { SCHEMA_VERSION } from '../../types/contracts.js';\n\n/**\n * Check if a student record needs migration to v2\n *\n * @param record - Student record to check\n * @returns true if record needs PIN migration\n */\nexport function needsMigration(record: StudentRecord): boolean {\n return record.schema < SCHEMA_VERSION;\n}\n\n/**\n * Check if a student has a PIN set\n *\n * @param record - Student record to check\n * @returns true if student has a PIN hash\n */\nexport function hasPinSet(record: StudentRecord): boolean {\n return Boolean(record.pinHash && record.pinHash.length > 0);\n}\n\n/**\n * Migrate a student record from v1 to v2\n *\n * Updates schema version but does NOT set PIN - that happens\n * after the student creates their PIN.\n *\n * @param record - Student record to migrate\n * @returns Updated record with v2 schema (pinHash empty)\n */\nexport function migrateToV2(record: StudentRecord): StudentRecord {\n if (record.schema >= SCHEMA_VERSION) {\n return record;\n }\n\n return {\n ...record,\n schema: SCHEMA_VERSION,\n // PIN fields left empty - student will create PIN on login\n pinHash: '',\n pinCreatedAt: undefined,\n pinResetAt: undefined,\n };\n}\n\n/**\n * Complete PIN setup for a migrated or new student\n *\n * @param record - Student record\n * @param pinHash - Hashed PIN\n * @returns Updated record with PIN set\n */\nexport function completePinSetup(record: StudentRecord, pinHash: string): StudentRecord {\n return {\n ...record,\n schema: SCHEMA_VERSION,\n pinHash,\n pinCreatedAt: new Date().toISOString(),\n };\n}\n\n/**\n * Reset a student's PIN (instructor action)\n *\n * @param record - Student record\n * @returns Updated record with PIN cleared\n */\nexport function resetPin(record: StudentRecord): StudentRecord {\n return {\n ...record,\n pinHash: '',\n pinResetAt: new Date().toISOString(),\n };\n}\n","/**\n * Status Component\n *\n * Compact single-line display of student quiz progress and logout button.\n * Shows: \"X/Y Correct (Z%)\" format.\n *\n * @element qd-status\n * @fires {CustomEvent} qd:logout - Emitted when user clicks logout\n *\n * @example\n * ```html\n * \n * ```\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport type { SessionCache, SessionData } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { calculateStatusIndicator } from '../utils/calculation-helpers.js';\nimport { SessionService } from '../services/session.js';\nimport './qd-build-info.js';\nimport './qd-help-trigger.js';\nimport './qd-help-popup.js';\nimport { getHelpContent } from '../config/help-content.js';\n\n/**\n * Status panel component for student progress tracking\n */\n@customElement('qd-status')\nexport class QdStatus extends LitElement {\n /**\n * Total questions registered\n */\n @state()\n private total = 0;\n\n /**\n * Total correct answers\n */\n @state()\n private correct = 0;\n\n /**\n * Success percentage\n */\n @state()\n private percentage = 0;\n\n /**\n * Overall status indicator color\n */\n @state()\n private statusColor: 'red' | 'amber' | 'green' = 'red';\n\n /**\n * Student name\n */\n @state()\n private name = '';\n\n /**\n * Service ID (last 4 digits displayed)\n */\n @state()\n private serviceId = '';\n\n /**\n * Whether help popup is open\n */\n @state()\n private helpOpen = false;\n\n static styles = css`\n :host {\n display: none; /* Hidden by default, shown when logged in */\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n }\n\n :host([data-show]) {\n display: block;\n }\n\n .status-panel {\n display: flex;\n flex-direction: column;\n gap: 4px;\n padding: 6px 12px;\n background: #fff;\n border: 1px solid #ddd;\n border-radius: 4px;\n }\n\n .top-row {\n display: flex;\n align-items: center;\n gap: 8px;\n }\n\n .bottom-row {\n display: flex;\n align-items: center;\n gap: 8px;\n }\n\n .user-info {\n font-size: 13px;\n color: #333;\n white-space: nowrap;\n }\n\n .user-label {\n font-weight: 500;\n color: #555;\n }\n\n .status-indicator {\n width: 12px;\n height: 12px;\n border-radius: 50%;\n flex-shrink: 0;\n }\n\n .status-indicator.red {\n background: #d32f2f;\n }\n\n .status-indicator.amber {\n background: #ff9800;\n }\n\n .status-indicator.green {\n background: #4caf50;\n }\n\n .progress-label {\n font-size: 13px;\n font-weight: 500;\n color: #555;\n white-space: nowrap;\n }\n\n .progress-text {\n font-size: 13px;\n color: #333;\n white-space: nowrap;\n }\n\n .logout-button {\n padding: 5px 10px;\n background: #d32f2f;\n color: white;\n border: none;\n border-radius: 3px;\n font-size: 12px;\n font-weight: 500;\n cursor: pointer;\n transition: background 0.2s;\n white-space: nowrap;\n }\n\n .logout-button:hover {\n background: #b71c1c;\n }\n `;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n this.loadCache();\n\n // Listen for state changes and login/logout\n document.addEventListener('qd:state-changed', this.handleStateChanged);\n document.addEventListener('qd:login', this.handleLogin);\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n // Listen for cache rebuild (fires after async IndexedDB load completes)\n document.addEventListener('qd:cache-rebuild', this.handleCacheRebuild);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:state-changed', this.handleStateChanged);\n document.removeEventListener('qd:login', this.handleLogin);\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n document.removeEventListener('qd:cache-rebuild', this.handleCacheRebuild);\n }\n\n render() {\n const last4 = this.serviceId.slice(-4);\n return html`\n
                                  \n
                                  \n \n Test progress:\n ${this.name} **${last4}\n \n \n \n \n
                                  \n
                                  \n
                                  \n
                                  \n ${this.correct}/${this.total} Correct (${this.percentage}%)\n
                                  \n
                                  \n
                                  \n \n `;\n }\n\n /**\n * Load cache from storage and update state\n */\n private loadCache() {\n // Load session data for name/serviceId\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (session) {\n this.name = session.name || '';\n this.serviceId = session.serviceId || '';\n } else {\n this.name = '';\n this.serviceId = '';\n }\n\n const cache = getJSON(STORAGE_KEYS.CACHE);\n if (!cache) {\n this.total = 0;\n this.correct = 0;\n this.percentage = 0;\n this.statusColor = 'red';\n return;\n }\n\n this.total = cache.totals.total;\n this.correct = cache.totals.correct;\n this.percentage = this.calculatePercentage(cache.totals.total, cache.totals.correct);\n this.statusColor = this.calculateStatusColor(cache.totals.total, cache.totals.correct);\n }\n\n /**\n * Calculate percentage from total/correct\n */\n private calculatePercentage(total: number, correct: number): number {\n if (total === 0) return 0;\n return Math.round((correct / total) * 100);\n }\n\n /**\n * Calculate status indicator color using calculation helper\n * Red: No questions registered or no answers\n * Green: All questions answered correctly\n * Amber: Some answered but not all correct\n */\n private calculateStatusColor(total: number, correct: number): 'red' | 'amber' | 'green' {\n return calculateStatusIndicator(total, correct);\n }\n\n /**\n * Update visibility based on session state\n * Show only if logged in as student (not instructor)\n */\n private updateVisibility() {\n const session = getJSON(STORAGE_KEYS.SESSION);\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n\n if (session && !isInstructor) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n /**\n * Handle state changed event\n */\n private handleStateChanged = () => {\n this.loadCache();\n };\n\n /**\n * Handle login event\n */\n private handleLogin = () => {\n this.updateVisibility();\n this.loadCache();\n };\n\n /**\n * Handle cache rebuild event (fired after async IndexedDB load completes)\n */\n private handleCacheRebuild = () => {\n this.loadCache();\n };\n\n /**\n * Handle logout event\n */\n private handleLogoutEvent = () => {\n this.updateVisibility();\n };\n\n /**\n * Handle help open event\n */\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n /**\n * Handle help close event\n */\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n /**\n * Handle logout button click\n */\n private handleLogout() {\n const session = getJSON(STORAGE_KEYS.SESSION);\n\n // Clear session from storage\n const sessionService = new SessionService();\n sessionService.clearSession();\n\n const event = new CustomEvent('qd:logout', {\n detail: {\n serviceId: session?.serviceId || 'unknown',\n },\n bubbles: true,\n composed: true,\n });\n this.dispatchEvent(event);\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-status': QdStatus;\n }\n}\n","/**\n * Shared styles for instructor components\n * CSS-in-JS styles used across qd-instructor sub-components\n */\n\nimport { css } from 'lit';\n\n/**\n * Common styles shared across all instructor sub-components\n */\nexport const sharedStyles = css`\n :host {\n display: inline-block;\n font-family:\n system-ui,\n -apple-system,\n sans-serif;\n font-size: 14px;\n line-height: 1.5;\n }\n\n /* When showing modal, host should not constrain size */\n :host([showmodal]) {\n display: block;\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n pointer-events: none; /* Let clicks through except on modal */\n }\n\n :host([showmodal]) .modal-overlay {\n pointer-events: auto; /* Re-enable on overlay */\n }\n\n .instructor-panel {\n display: flex;\n flex-direction: row;\n align-items: center;\n gap: 8px;\n }\n\n .instructor-title {\n font-weight: 600;\n font-size: 14px;\n color: var(--qd-text-on-dark, #fff);\n margin-right: 8px;\n }\n\n .toggle-label {\n display: flex;\n align-items: center;\n gap: 6px;\n cursor: pointer;\n font-size: 13px;\n color: var(--qd-text-on-dark, #fff);\n user-select: none;\n }\n\n .toggle-label input[type='checkbox'] {\n width: 16px;\n height: 16px;\n cursor: pointer;\n }\n\n button {\n padding: 8px 16px;\n border: 1px solid #ccc;\n border-radius: 4px;\n background: #fff;\n cursor: pointer;\n font-size: 14px;\n transition: all 0.2s;\n }\n\n button:hover {\n background: #f5f5f5;\n border-color: #999;\n }\n\n button:active {\n background: #e5e5e5;\n }\n\n button:disabled {\n opacity: 0.5;\n cursor: not-allowed;\n }\n\n button.compact {\n padding: 6px 12px;\n font-size: 13px;\n }\n\n button.primary {\n background: #007bff;\n color: white;\n border-color: #007bff;\n }\n\n button.primary:hover {\n background: #0056b3;\n border-color: #0056b3;\n }\n\n button.secondary {\n background: #ff9800;\n color: white;\n border-color: #ff9800;\n }\n\n button.secondary:hover {\n background: #f57c00;\n border-color: #f57c00;\n }\n\n button.danger {\n background: #dc3545;\n color: white;\n border-color: #dc3545;\n }\n\n button.danger:hover {\n background: #c82333;\n border-color: #c82333;\n }\n\n button.logout {\n background: #6c757d;\n color: white;\n border-color: #6c757d;\n }\n\n button.logout:hover {\n background: #5a6268;\n border-color: #5a6268;\n }\n\n input,\n textarea {\n padding: 8px;\n border: 1px solid #ccc;\n border-radius: 4px;\n font-size: 14px;\n font-family: inherit;\n }\n\n input:focus,\n textarea:focus {\n outline: none;\n border-color: #007bff;\n box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);\n }\n\n .error {\n color: #dc3545;\n font-size: 12px;\n margin-top: 4px;\n }\n\n .success {\n color: #28a745;\n font-size: 12px;\n margin-top: 4px;\n }\n\n table {\n width: 100%;\n border-collapse: collapse;\n margin: 16px 0;\n }\n\n th,\n td {\n padding: 8px;\n text-align: left;\n border-bottom: 1px solid #ddd;\n color: #333; /* Explicit dark text */\n }\n\n th {\n background: #f5f5f5;\n font-weight: 600;\n color: #000; /* Explicit black for headers */\n }\n\n tr:hover {\n background: #f9f9f9;\n }\n\n .correct {\n color: #28a745;\n }\n\n .incorrect {\n color: #dc3545;\n }\n\n .modal-overlay {\n position: fixed;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: rgba(0, 0, 0, 0.5);\n display: flex;\n align-items: center;\n justify-content: center;\n z-index: var(--qd-modal-overlay-z-index, 9999);\n pointer-events: auto; /* Ensure overlay catches all clicks */\n }\n\n .modal-content {\n position: relative;\n background: white;\n padding: 24px;\n border-radius: 8px;\n max-width: 800px;\n max-height: 80vh;\n overflow: auto;\n box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);\n z-index: var(--qd-modal-z-index, 10000);\n color: #333; /* Explicit dark text color */\n }\n\n .modal-header {\n display: flex;\n justify-content: space-between;\n align-items: center;\n margin-bottom: 16px;\n }\n\n .modal-title {\n font-size: 18px;\n font-weight: 600;\n margin: 0;\n color: #000; /* Explicit black for title */\n }\n\n .close-button {\n padding: 4px 8px;\n border: none;\n background: transparent;\n font-size: 20px;\n cursor: pointer;\n color: #666;\n }\n\n .close-button:hover {\n color: #000;\n }\n`;\n","/**\n * Security utilities for the Sonar Quiz System\n *\n * Provides rate limiting, constant-time comparison, and other security primitives\n * to protect against timing attacks, brute force, and other vulnerabilities.\n */\n\n/**\n * Rate limiter with exponential backoff\n *\n * Implements progressive delays after failed authentication attempts:\n * - 1st failure: 2s delay\n * - 2nd failure: 4s delay\n * - 3rd failure: 8s delay\n * - 4th failure: 16s delay\n * - 5th+ failure: 30s delay (max)\n *\n * @example\n * ```typescript\n * const limiter = new RateLimiter();\n *\n * async function handleLogin(password: string) {\n * if (!await limiter.attempt()) {\n * const remaining = limiter.getRemainingSeconds();\n * alert(`Too many attempts. Try again in ${remaining}s`);\n * return;\n * }\n *\n * const isValid = await validatePassword(password);\n * if (isValid) {\n * limiter.reset();\n * }\n * }\n * ```\n */\nexport class RateLimiter {\n private failureCount = 0;\n private lockoutUntil: number | null = null;\n\n /**\n * Attempt an action (e.g., login attempt)\n *\n * @returns true if action is allowed, false if rate limited\n */\n attempt(): boolean {\n if (this.lockoutUntil && Date.now() < this.lockoutUntil) {\n return false;\n }\n\n // Clear lockout if expired\n if (this.lockoutUntil && Date.now() >= this.lockoutUntil) {\n this.lockoutUntil = null;\n }\n\n return true;\n }\n\n /**\n * Record a failed attempt and apply exponential backoff\n *\n * Delays: 2s, 4s, 8s, 16s, 30s (max)\n */\n recordFailure(): void {\n this.failureCount++;\n\n // Exponential backoff with max of 30 seconds\n const delays = [2000, 4000, 8000, 16000, 30000];\n const delayIndex = Math.min(this.failureCount - 1, delays.length - 1);\n const delay = delays[delayIndex] ?? 30000;\n\n this.lockoutUntil = Date.now() + delay;\n }\n\n /**\n * Reset the rate limiter after successful authentication\n */\n reset(): void {\n this.failureCount = 0;\n this.lockoutUntil = null;\n }\n\n /**\n * Get remaining lockout time in seconds\n *\n * @returns Number of seconds until next attempt allowed, or 0 if not locked\n */\n getRemainingSeconds(): number {\n if (!this.lockoutUntil) {\n return 0;\n }\n\n const remaining = Math.max(0, this.lockoutUntil - Date.now());\n return Math.ceil(remaining / 1000);\n }\n\n /**\n * Check if currently locked out\n */\n isLockedOut(): boolean {\n return this.lockoutUntil !== null && Date.now() < this.lockoutUntil;\n }\n}\n\n/**\n * Constant-time string comparison using Web Crypto API\n *\n * Prevents timing attacks by ensuring comparison time is independent\n * of where strings differ. Uses HMAC-SHA256 for constant-time comparison.\n *\n * @param a - First string to compare\n * @param b - Second string to compare\n * @returns Promise if strings match, Promise otherwise\n *\n * @example\n * ```typescript\n * const userHash = await hashPassword(userInput);\n * const storedHash = getStoredHash();\n *\n * if (await constantTimeCompare(userHash, storedHash)) {\n * // Authentication successful\n * }\n * ```\n */\nexport async function constantTimeCompare(a: string, b: string): Promise {\n // Early length check (length is not secret information)\n if (a.length !== b.length) {\n return false;\n }\n\n // Handle empty strings (Web Crypto API doesn't support zero-length keys)\n if (a.length === 0) {\n return true; // Both are empty strings\n }\n\n // Use Web Crypto API for constant-time comparison\n const encoder = new TextEncoder();\n const aBuffer = encoder.encode(a);\n const bBuffer = encoder.encode(b);\n\n try {\n // Import first string as HMAC key\n const key = await crypto.subtle.importKey(\n 'raw',\n aBuffer,\n { name: 'HMAC', hash: 'SHA-256' },\n false,\n ['sign'],\n );\n\n // Sign second string with first as key\n const signature = await crypto.subtle.sign('HMAC', key, bBuffer);\n\n // Compare signature to expected value\n // This uses crypto.subtle which performs constant-time comparison internally\n const expectedKey = await crypto.subtle.importKey(\n 'raw',\n bBuffer,\n { name: 'HMAC', hash: 'SHA-256' },\n false,\n ['sign'],\n );\n\n const expectedSignature = await crypto.subtle.sign('HMAC', expectedKey, aBuffer);\n\n // Compare signatures byte-by-byte\n if (signature.byteLength !== expectedSignature.byteLength) {\n return false;\n }\n\n const sigView = new Uint8Array(signature);\n const expView = new Uint8Array(expectedSignature);\n\n // XOR all bytes - result is 0 if all bytes match\n let result = 0;\n for (let i = 0; i < sigView.length; i++) {\n result |= (sigView[i] ?? 0) ^ (expView[i] ?? 0);\n }\n\n return result === 0;\n } catch (error) {\n // Crypto API failure - fail closed\n console.error('Constant-time comparison failed:', error);\n return false;\n }\n}\n\n/**\n * Hash a password using SHA-256\n *\n * @param password - Password to hash\n * @returns Promise - Hex-encoded SHA-256 hash\n *\n * @example\n * ```typescript\n * const hash = await hashPassword('my-secure-password');\n * console.log(hash); // \"5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8\"\n * ```\n */\nexport async function hashPassword(password: string): Promise {\n const encoder = new TextEncoder();\n const data = encoder.encode(password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n}\n","/**\n * Instructor password configuration\n *\n * Retrieves the instructor password hash from the DOM, injected by\n * Oxygen XSL transform during DITA publishing.\n *\n * The password hash is stored in a hidden span element:\n * ```html\n * hash-value\n * ```\n *\n * This approach allows different passwords per deployment without rebuilding\n * the JavaScript bundle.\n */\n\nimport { error } from '../utils/logger.js';\n\n/**\n * DOM element ID containing the instructor password hash\n *\n * This element is injected by the Oxygen XSL transform using a parameter.\n */\nconst PASSWORD_HASH_ELEMENT_ID = 'instructor.password.hash';\n\n/**\n * Get the instructor password hash from the DOM\n *\n * @returns The SHA-256 hash of the instructor password\n * @throws Error if password hash element not found or empty\n *\n * @example\n * ```typescript\n * try {\n * const hash = getInstructorPasswordHash();\n * console.log('Hash retrieved:', hash);\n * } catch (err) {\n * console.error('Password hash not configured:', err);\n * }\n * ```\n */\nexport function getInstructorPasswordHash(): string {\n const hashElement = document.getElementById(PASSWORD_HASH_ELEMENT_ID);\n\n if (!hashElement) {\n const errorMsg = `Instructor password hash not found. Expected element with id=\"${PASSWORD_HASH_ELEMENT_ID}\". Check Oxygen XSL transform configuration.`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n const hash = hashElement.textContent?.trim();\n\n if (!hash) {\n const errorMsg = `Instructor password hash element is empty. Check Oxygen parameter configuration.`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n // Validate hash format (should be 64 hex characters for SHA-256)\n if (!/^[a-f0-9]{64}$/i.test(hash)) {\n const errorMsg = `Invalid password hash format. Expected 64 hex characters (SHA-256), got: ${hash.substring(0, 20)}...`;\n error(errorMsg);\n throw new Error(errorMsg);\n }\n\n return hash.toLowerCase(); // Normalize to lowercase\n}\n\n/**\n * Check if instructor password hash is configured\n *\n * @returns true if password hash element exists and is non-empty\n */\nexport function isInstructorPasswordConfigured(): boolean {\n try {\n getInstructorPasswordHash();\n return true;\n } catch {\n return false;\n }\n}\n","/**\n * Instructor unlock component with password verification and rate limiting\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport { RateLimiter } from '../../utils/security.js';\nimport { constantTimeCompare } from '../../utils/security.js';\nimport { getInstructorPasswordHash } from '../../config/instructor-password.js';\nimport { dispatchEventOn } from '../../utils/event-helpers.js';\n\n/**\n * Password unlock UI with rate limiting for instructor access\n *\n * Features:\n * - Password input with masked field\n * - Rate limiting: 2s, 4s, 8s, 16s, 30s lockout on failures\n * - Constant-time password comparison\n * - Emits 'qd:instructor-unlock' on success\n *\n * @fires qd:instructor-unlock - Emitted when password verified successfully\n */\n@customElement('qd-instructor-unlock')\nexport class QdInstructorUnlock extends LitElement {\n static override styles = sharedStyles;\n\n @state()\n private password = '';\n\n @state()\n private error = '';\n\n @state()\n private remainingSeconds = 0;\n\n private rateLimiter = new RateLimiter();\n private countdownInterval?: number;\n\n override disconnectedCallback(): void {\n super.disconnectedCallback();\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n }\n }\n\n private handlePasswordInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.password = input.value;\n this.error = '';\n };\n\n private handleSubmit = async (e: Event): Promise => {\n e.preventDefault();\n\n // Check rate limit\n const allowed = this.rateLimiter.attempt();\n if (!allowed) {\n this.remainingSeconds = this.rateLimiter.getRemainingSeconds();\n this.startCountdown();\n this.error = `Too many attempts. Try again in ${this.remainingSeconds}s`;\n return;\n }\n\n // Validate password\n try {\n const expectedHash = getInstructorPasswordHash();\n\n // Hash the entered password\n const encoder = new TextEncoder();\n const data = encoder.encode(this.password);\n const hashBuffer = await crypto.subtle.digest('SHA-256', data);\n const hashArray = Array.from(new Uint8Array(hashBuffer));\n const actualHash = hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');\n\n // Constant-time comparison\n const valid = await constantTimeCompare(actualHash, expectedHash);\n\n if (valid) {\n // Success - reset limiter and emit event\n this.rateLimiter.reset();\n this.password = '';\n this.error = '';\n dispatchEventOn(this, 'qd:instructor-unlock', {});\n } else {\n // Failure - show error\n this.error = 'Invalid password';\n this.password = '';\n }\n } catch {\n this.error = 'Authentication failed';\n this.password = '';\n }\n };\n\n private startCountdown(): void {\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n }\n\n this.countdownInterval = window.setInterval(() => {\n this.remainingSeconds = this.rateLimiter.getRemainingSeconds();\n if (this.remainingSeconds === 0) {\n if (this.countdownInterval) {\n window.clearInterval(this.countdownInterval);\n this.countdownInterval = undefined;\n }\n this.error = '';\n } else {\n this.error = `Too many attempts. Try again in ${this.remainingSeconds}s`;\n }\n }, 1000);\n }\n\n override render() {\n const isLocked = this.remainingSeconds > 0;\n\n return html`\n
                                  \n

                                  Instructor Access

                                  \n

                                  Enter the instructor password to unlock administrative features.

                                  \n\n
                                  \n
                                  \n \n \n
                                  \n\n ${this.error\n ? html`
                                  ${this.error}
                                  `\n : ''}\n\n \n
                                  \n
                                  \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-unlock': QdInstructorUnlock;\n }\n}\n","/**\n * Scores Modal Component\n *\n * Displays student scores in a modal with expandable per-page breakdown.\n * Uses qd-modal as base for modal behavior.\n *\n * @element qd-scores-modal\n * @fires {CustomEvent} close - Emitted when modal closes\n * @fires {CustomEvent} qd:modal-close - Bubbles from qd-modal\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport type { StudentRecord } from '../types/contracts.js';\nimport './qd-modal.js';\n\ninterface StudentSummary {\n serviceId: string;\n name: string;\n attempted: number;\n correct: number;\n percentage: number;\n}\n\n/**\n * Modal component for displaying student scores with expandable details\n */\n@customElement('qd-scores-modal')\nexport class QdScoresModal extends LitElement {\n /**\n * Whether the modal is open\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Student records to display\n */\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n // Styles are in light DOM (render method) since content is slotted into qd-modal which moves to body\n static styles = css`\n :host {\n display: contents;\n }\n `;\n\n render() {\n // Styles must be in light DOM since content is slotted into qd-modal which moves to body\n return html`\n \n Student Scores\n \n
                                  \n ${this.students.length === 0\n ? html`

                                  No student data available.

                                  `\n : this.renderScoresTable()}\n
                                  \n                                   \n `;\n }\n\n private renderScoresTable() {\n const sortedStudents = [...this.students].sort((a, b) => a.name.localeCompare(b.name));\n\n return html`\n \n \n \n \n \n \n \n \n \n \n ${sortedStudents.map((student) => this.renderStudentRow(student))}\n \n
                                  StudentService IDScoreAnswers
                                  \n `;\n }\n\n private renderStudentRow(student: StudentRecord) {\n const summary = this.calculateSummary(student);\n const pages = Object.entries(student.pages);\n\n return html`\n \n ${summary.name}\n ${summary.serviceId}\n \n ${summary.correct}/${summary.attempted} (${summary.percentage}%)\n \n \n ${pages.length === 0\n ? html`—`\n : html`\n
                                  \n ${pages.map(\n ([pageId, pageData]) => html`\n
                                  \n ${pageId}\n
                                  \n ${pageData.answers.map(\n (answer, idx) => html`\n \n Q${idx + 1}: ${answer?.answer ?? '—'}\n \n `,\n )}\n
                                  \n
                                  \n `,\n )}\n
                                  \n `}\n \n \n `;\n }\n\n private getScoreClass(summary: StudentSummary): string {\n if (summary.attempted === 0) return '';\n if (summary.percentage === 100) return 'score-perfect';\n if (summary.percentage === 0) return 'score-zero';\n return '';\n }\n\n private calculateSummary(student: StudentRecord): StudentSummary {\n const percentage =\n student.attempted > 0 ? Math.round((student.correct / student.attempted) * 100) : 0;\n\n return {\n serviceId: student.serviceId,\n name: student.name,\n attempted: student.attempted,\n correct: student.correct,\n percentage,\n };\n }\n\n private handleModalClose = () => {\n this.open = false;\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n /**\n * Open the modal\n */\n show() {\n this.open = true;\n }\n\n /**\n * Close the modal\n */\n close() {\n this.open = false;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-scores-modal': QdScoresModal;\n }\n}\n","/**\n * Instructor scores view component\n * Displays student scores with expandable per-page breakdown\n *\n * Refactored to use qd-scores-modal component.\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord } from '../../types/contracts.js';\nimport '../qd-scores-modal.js';\n\n/**\n * Scores table component showing all student progress\n *\n * Features:\n * - Summary view with attempted/correct/percentage\n * - Expandable per-student breakdown\n * - Color-coded correct/incorrect answers\n * - Modal display with close button\n *\n * Now delegates to qd-scores-modal component.\n */\n@customElement('qd-instructor-scores')\nexport class QdInstructorScores extends LitElement {\n static override styles = sharedStyles;\n\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n @property({ type: Boolean })\n showModal = false;\n\n private handleClose = () => {\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n override render() {\n return html`\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-scores': QdInstructorScores;\n }\n}\n","/**\n * Instructor CSV export component\n * Generates and downloads CSV export of all student data\n */\n\nimport { LitElement, html } from 'lit';\nimport { customElement, property } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord } from '../../types/contracts.js';\n\n/**\n * CSV export controls for instructor\n *\n * Features:\n * - Generates RFC 4180 compliant CSV\n * - Includes all student answers with timestamps\n * - Downloads as file with timestamp in filename\n * - Proper escaping of special characters\n */\n@customElement('qd-instructor-export')\nexport class QdInstructorExport extends LitElement {\n static override styles = sharedStyles;\n\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n private escapeCSVField(field: string | number | boolean): string {\n const str = String(field);\n // If field contains comma, quote, or newline, wrap in quotes and escape quotes\n if (str.includes(',') || str.includes('\"') || str.includes('\\n')) {\n return `\"${str.replace(/\"/g, '\"\"')}\"`;\n }\n return str;\n }\n\n private generateCSV(): string {\n const rows: string[] = [];\n\n // Header row\n rows.push('Service ID,Name,Release,Page ID,Question Index,Answer,Success,Timestamp');\n\n // Data rows\n for (const student of this.students) {\n for (const [pageId, pageData] of Object.entries(student.pages)) {\n const answers = pageData.answers || [];\n answers.forEach((answer, index) => {\n if (answer) {\n rows.push(\n [\n this.escapeCSVField(student.serviceId),\n this.escapeCSVField(student.name),\n this.escapeCSVField(student.release),\n this.escapeCSVField(pageId),\n this.escapeCSVField(index),\n this.escapeCSVField(answer.answer),\n this.escapeCSVField(answer.success),\n this.escapeCSVField(answer.timestamp),\n ].join(','),\n );\n }\n });\n }\n }\n\n return rows.join('\\n');\n }\n\n private handleExport = (): void => {\n const csv = this.generateCSV();\n const blob = new Blob([csv], { type: 'text/csv;charset=utf-8;' });\n const url = URL.createObjectURL(blob);\n\n // Create download link\n const link = document.createElement('a');\n link.href = url;\n\n // Generate filename with timestamp\n const now = new Date();\n const timestamp = now.toISOString().replace(/[:.]/g, '-').slice(0, 19);\n link.download = `quiz-data-${timestamp}.csv`;\n\n // Trigger download\n document.body.appendChild(link);\n link.click();\n document.body.removeChild(link);\n\n // Clean up\n URL.revokeObjectURL(url);\n };\n\n override render() {\n // Check if any student has answered at least one question (FR-006)\n const hasData =\n this.students.length > 0 && this.students.some((student) => student.attempted > 0);\n\n const tooltip = hasData\n ? `Export ${this.students.length} student${this.students.length === 1 ? '' : 's'} to CSV`\n : this.students.length > 0\n ? 'No answers to export (students have not answered any questions)'\n : 'No data to export';\n\n return html`\n \n Export CSV\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-export': QdInstructorExport;\n }\n}\n","/**\n * Instructor data management component\n * Handles clearing/backing up student data\n */\n\nimport { LitElement, html, render } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport { clearQuizData } from '../../utils/storage-helpers.js';\nimport { dispatchEventOn } from '../../utils/event-helpers.js';\n\n/**\n * Data management controls for instructor\n *\n * Features:\n * - Clear all quiz data with confirmation\n * - Safety confirmation dialog\n * - Emits 'qd:data-cleared' event on success\n *\n * @fires qd:data-cleared - Emitted when all data successfully cleared\n */\n@customElement('qd-instructor-manage')\nexport class QdInstructorManage extends LitElement {\n static override styles = sharedStyles;\n\n @state()\n private showConfirmDialog = false;\n\n @state()\n private confirmText = '';\n\n @state()\n private error = '';\n\n @state()\n private success = '';\n\n private modalContainer: HTMLDivElement | null = null;\n\n override disconnectedCallback(): void {\n super.disconnectedCallback();\n this.removeModalFromBody();\n }\n\n override updated(changedProperties: Map): void {\n super.updated(changedProperties);\n if (changedProperties.has('showConfirmDialog')) {\n if (this.showConfirmDialog) {\n this.renderModalToBody();\n } else {\n this.removeModalFromBody();\n }\n }\n // Re-render modal if confirmText or error changes while dialog is open\n if (\n this.showConfirmDialog &&\n (changedProperties.has('confirmText') || changedProperties.has('error'))\n ) {\n this.renderModalToBody();\n }\n }\n\n private renderModalToBody(): void {\n if (!this.modalContainer) {\n this.modalContainer = document.createElement('div');\n this.modalContainer.className = 'qd-manage-modal-container';\n document.body.appendChild(this.modalContainer);\n }\n render(this.renderConfirmDialog(), this.modalContainer);\n }\n\n private removeModalFromBody(): void {\n if (this.modalContainer) {\n this.modalContainer.remove();\n this.modalContainer = null;\n }\n }\n\n private handleClearRequest = (): void => {\n this.showConfirmDialog = true;\n this.confirmText = '';\n this.error = '';\n this.success = '';\n };\n\n private handleCancelClear = (): void => {\n this.showConfirmDialog = false;\n this.confirmText = '';\n this.error = '';\n };\n\n private handleConfirmInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.confirmText = input.value;\n };\n\n private handleConfirmClear = (): void => {\n // Require exact match\n if (this.confirmText !== 'DELETE ALL DATA') {\n this.error = 'Confirmation text does not match';\n return;\n }\n\n try {\n // Clear all quiz data from storage\n clearQuizData();\n\n // Emit event\n dispatchEventOn(this, 'qd:data-cleared', {});\n\n // Show success\n this.success = 'All quiz data cleared successfully';\n this.showConfirmDialog = false;\n this.confirmText = '';\n this.error = '';\n\n // Clear success message after 3 seconds\n setTimeout(() => {\n this.success = '';\n }, 3000);\n } catch {\n this.error = 'Failed to clear data';\n }\n };\n\n override render() {\n return html`\n \n Erase All Data\n \n\n ${this.success\n ? html`\n \n ${this.success}\n
                            \n `\n : ''}\n `;\n }\n\n private renderConfirmDialog() {\n const isValid = this.confirmText === 'DELETE ALL DATA';\n\n return html`\n {\n if (e.target === e.currentTarget) this.handleCancelClear();\n }}\n >\n e.stopPropagation()}\n >\n \n

                            \n Confirm Data Deletion\n

                            \n \n ✕\n \n
                            \n\n

                            \n ⚠️ This will permanently delete all student quiz data, answers, and progress.\n

                            \n\n

                            \n This action cannot be undone. All students will need to start over.\n

                            \n\n

                            \n Type DELETE ALL DATA to confirm:\n

                            \n\n \n\n ${this.error\n ? html`
                            ${this.error}
                            `\n : ''}\n\n
                            \n \n Cancel\n \n \n Delete All Data\n \n
                            \n \n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor-manage': QdInstructorManage;\n }\n}\n","/**\n * PIN Reset Dialog Component\n *\n * Modal dialog for instructors to reset student PINs.\n * Shows student list with search and reset confirmation.\n * Uses qd-modal base for consistent modal behavior.\n *\n * @element qd-pin-reset-dialog\n * @fires {CustomEvent<{serviceId: string}>} qd:pin-reset - Emitted when PIN is reset\n * @fires {CustomEvent} close - Emitted when dialog is closed\n *\n * Feature: 007-lit-component-refactor\n */\n\nimport { LitElement, html, css, nothing } from 'lit';\nimport { customElement, property, state } from 'lit/decorators.js';\nimport type { StudentRecord, PinResetEvent } from '../types/contracts.js';\nimport { getStorageAdapter } from '../services/storage/indexeddb.js';\nimport { resetPin } from '../services/storage/migration.js';\nimport { CONFIG_IDS } from '../config/dom-config-reader.js';\nimport './qd-modal.js';\nimport './qd-confirm-dialog.js';\n\n@customElement('qd-pin-reset-dialog')\nexport class QdPinResetDialog extends LitElement {\n /**\n * Students available for PIN reset\n */\n @property({ type: Array })\n students: StudentRecord[] = [];\n\n /**\n * Whether dialog is visible\n */\n @property({ type: Boolean, reflect: true })\n open = false;\n\n /**\n * Search filter text\n */\n @state()\n private searchText = '';\n\n /**\n * Student being confirmed for reset\n */\n @state()\n private confirmingStudent: StudentRecord | null = null;\n\n /**\n * Whether confirmation dialog is open\n */\n @state()\n private confirmDialogOpen = false;\n\n /**\n * Error message to display\n */\n @state()\n private errorMessage = '';\n\n static styles = css`\n :host {\n display: contents;\n }\n\n .pin-reset-content {\n min-width: 400px;\n max-width: 500px;\n }\n\n .search-input {\n width: 100%;\n box-sizing: border-box;\n padding: 8px 12px;\n border: 1px solid #ccc;\n border-radius: 4px;\n margin-bottom: 12px;\n font-size: 12px;\n }\n\n .search-input:focus {\n outline: none;\n border-color: #0066cc;\n box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);\n }\n\n .student-table-container {\n max-height: 300px;\n overflow-y: auto;\n border: 1px solid #e0e0e0;\n border-radius: 4px;\n }\n\n .student-table {\n width: 100%;\n border-collapse: collapse;\n font-size: 12px;\n }\n\n .student-table th {\n text-align: left;\n padding: 8px 12px;\n background: #f5f5f5;\n border-bottom: 1px solid #e0e0e0;\n font-weight: 500;\n position: sticky;\n top: 0;\n }\n\n .student-table td {\n padding: 6px 12px;\n border-bottom: 1px solid #f0f0f0;\n }\n\n .student-table tbody tr:nth-child(even) {\n background: #f8f8f8;\n }\n\n .student-table tbody tr:hover {\n background: #f0f0f0;\n }\n\n .student-table tr:last-child td {\n border-bottom: none;\n }\n\n .reset-btn {\n background: #ff5722;\n color: white;\n border: none;\n border-radius: 4px;\n padding: 4px 8px;\n font-size: 10px;\n cursor: pointer;\n }\n\n .reset-btn:hover {\n background: #e64a19;\n }\n\n .empty-message {\n padding: 16px;\n text-align: center;\n color: #666;\n font-size: 12px;\n }\n\n .error-message {\n color: #d32f2f;\n font-size: 11px;\n margin-top: 8px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n }\n `;\n\n /**\n * Backward compatibility: Support both 'open' and 'showModal' props\n */\n @property({ type: Boolean })\n set showModal(value: boolean) {\n this.open = value;\n }\n get showModal(): boolean {\n return this.open;\n }\n\n private get filteredStudents(): StudentRecord[] {\n if (!this.searchText.trim()) {\n return this.students;\n }\n const search = this.searchText.toLowerCase().trim();\n return this.students.filter(\n (s) => s.name.toLowerCase().includes(search) || s.serviceId.toLowerCase().includes(search),\n );\n }\n\n /**\n * Close the modal\n */\n close(): void {\n this.open = false;\n this.confirmingStudent = null;\n this.confirmDialogOpen = false;\n this.searchText = '';\n this.errorMessage = '';\n }\n\n /**\n * Show the modal\n */\n show(): void {\n this.open = true;\n }\n\n /**\n * Handle modal close from qd-modal\n */\n private handleModalClose = (): void => {\n // Don't close main modal if confirm dialog is open\n if (this.confirmDialogOpen) {\n return;\n }\n this.close();\n this.dispatchEvent(new CustomEvent('close'));\n };\n\n /**\n * Handle search input\n */\n private handleSearchInput = (e: Event): void => {\n const input = e.target as HTMLInputElement;\n this.searchText = input.value;\n };\n\n /**\n * Show confirmation dialog for PIN reset\n */\n private handleResetClick = (student: StudentRecord): void => {\n this.confirmingStudent = student;\n this.confirmDialogOpen = true;\n };\n\n /**\n * Handle confirm button click in confirmation dialog\n */\n private handleConfirmReset = (): void => {\n if (this.confirmingStudent) {\n void this.executeReset(this.confirmingStudent);\n }\n };\n\n /**\n * Handle cancel button click in confirmation dialog\n */\n private handleCancelReset = (): void => {\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n };\n\n private async executeReset(student: StudentRecord) {\n try {\n const dbNameElement = document.getElementById(CONFIG_IDS.dbName);\n if (!dbNameElement?.textContent?.trim()) {\n throw new Error(\n `Database name not configured. Add dbName to page.`,\n );\n }\n const dbName = dbNameElement.textContent.trim();\n const storage = getStorageAdapter(dbName);\n await storage.init();\n\n // Reset the PIN\n const updatedStudent = resetPin(student);\n await storage.saveStudent(updatedStudent);\n\n // Create audit log entry\n const auditEvent: PinResetEvent = {\n eventId: crypto.randomUUID(),\n serviceId: student.serviceId,\n resetBy: 'instructor',\n resetAt: new Date().toISOString(),\n release: student.release,\n };\n await storage.saveAuditEvent(auditEvent);\n\n // Update local data\n const index = this.students.findIndex((s) => s.serviceId === student.serviceId);\n if (index >= 0) {\n this.students[index] = updatedStudent;\n this.students = [...this.students]; // Trigger reactivity\n }\n\n // Emit event\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n detail: {\n serviceId: student.serviceId,\n resetBy: 'instructor',\n timestamp: new Date().toISOString(),\n },\n bubbles: true,\n composed: true,\n }),\n );\n\n // Close confirm dialog\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n this.errorMessage = '';\n } catch (err) {\n console.error('PIN reset error:', err);\n this.errorMessage = 'Failed to reset PIN. Please try again.';\n this.confirmDialogOpen = false;\n this.confirmingStudent = null;\n }\n }\n\n override render() {\n const student = this.confirmingStudent;\n const confirmMessage = student\n ? `Reset PIN for ${student.name} (${student.serviceId})?
                            They will need to create a new PIN on next login.`\n : '';\n\n // Always render qd-modal so it can properly restore position when closing\n return html`\n \n Reset Student PIN\n\n ${this.open\n ? html`\n
                            \n \n\n
                            \n ${this.filteredStudents.length === 0\n ? html`
                            \n ${this.searchText ? 'No matching students' : 'No students found'}\n
                            `\n : html`\n \n \n \n \n \n \n \n \n \n ${this.filteredStudents.map(\n (s) => html`\n \n \n \n \n \n `,\n )}\n \n
                            NameService IDReset PIN
                            ${s.name}${s.serviceId}\n this.handleResetClick(s)}\n >\n Reset\n \n
                            \n `}\n
                            \n\n ${this.errorMessage\n ? html`
                            ${this.errorMessage}
                            `\n : ''}\n
                            \n `\n : nothing}\n                             \n\n \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-pin-reset-dialog': QdPinResetDialog;\n }\n}\n","/**\n * Instructor component orchestrator\n * Delegates to sub-components based on unlock state\n */\n\nimport { LitElement, html, css } from 'lit';\nimport { customElement, state } from 'lit/decorators.js';\nimport { sharedStyles } from './shared-styles.js';\nimport type { StudentRecord, SessionData } from '../../types/contracts.js';\nimport { STORAGE_KEYS } from '../../types/contracts.js';\nimport { getJSON } from '../../utils/storage-helpers.js';\nimport { SessionService } from '../../services/session.js';\nimport { getStorageService } from '../../services/storage-service.js';\nimport './qd-instructor-unlock.js';\nimport './qd-instructor-scores.js';\nimport './qd-instructor-export.js';\nimport './qd-instructor-manage.js';\nimport '../qd-build-info.js';\nimport '../qd-pin-reset-dialog.js';\nimport '../qd-help-trigger.js';\nimport '../qd-help-popup.js';\nimport { getHelpContent } from '../../config/help-content.js';\n\n/**\n * Main instructor panel orchestrating all sub-components\n *\n * State management:\n * - unlocked: false → shows unlock component\n * - unlocked: true → shows scores/export/manage controls\n *\n * @fires qd:instructor-unlock - Forwarded from unlock component\n * @fires qd:data-cleared - Forwarded from manage component\n */\n@customElement('qd-instructor')\nexport class QdInstructor extends LitElement {\n static override styles = [\n sharedStyles,\n css`\n :host {\n display: none; /* Hidden by default, shown when instructor logged in */\n }\n\n :host([data-show]) {\n display: block;\n }\n `,\n ];\n\n @state()\n private unlocked = false;\n\n @state()\n private showScores = false;\n\n @state()\n private students: StudentRecord[] = [];\n\n @state()\n private showStudentAnswers = false;\n\n @state()\n private showPinReset = false;\n\n @state()\n private helpOpen = false;\n\n connectedCallback() {\n super.connectedCallback();\n this.updateVisibility();\n\n // Auto-unlock if instructor is already logged in\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.unlock();\n // Load students data for export button\n void this.loadStudents();\n }\n\n // Restore toggle state from sessionStorage\n const savedState = sessionStorage.getItem('qd/instructor/showAnswers');\n if (savedState !== null) {\n this.showStudentAnswers = savedState === 'true';\n\n // If toggle was enabled and instructor is logged in, dispatch event to show answers\n if (this.showStudentAnswers && isInstructor) {\n // Dispatch after tables are enhanced (use setTimeout to defer)\n setTimeout(() => {\n this.dispatchEvent(\n new CustomEvent('qd:instructor-show-answers', {\n bubbles: true,\n composed: true,\n }),\n );\n }, 100);\n }\n }\n\n document.addEventListener('qd:login', this.handleLoginEvent);\n document.addEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n disconnectedCallback() {\n super.disconnectedCallback();\n document.removeEventListener('qd:login', this.handleLoginEvent);\n document.removeEventListener('qd:logout', this.handleLogoutEvent);\n }\n\n /**\n * Update visibility based on instructor session state\n */\n private updateVisibility(): void {\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n this.setAttribute('data-show', '');\n } else {\n this.removeAttribute('data-show');\n }\n }\n\n private handleLoginEvent = (event: Event): void => {\n const customEvent = event as CustomEvent<{ role?: string }>;\n const role = customEvent.detail?.role;\n\n this.updateVisibility();\n\n // Auto-unlock if instructor logged in\n if (role === 'instructor') {\n this.unlock();\n // Load students data for export button\n void this.loadStudents();\n }\n };\n\n private handleLogoutEvent = (): void => {\n this.updateVisibility();\n this.lock();\n };\n\n /**\n * Set student data for display\n */\n setStudents(students: StudentRecord[]): void {\n this.students = students;\n }\n\n /**\n * Load students from storage for current release\n */\n private async loadStudents(): Promise {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n }\n\n /**\n * Unlock instructor panel (call after successful auth)\n */\n unlock(): void {\n this.unlocked = true;\n }\n\n /**\n * Lock instructor panel (call on logout)\n */\n lock(): void {\n this.unlocked = false;\n this.showScores = false;\n this.showPinReset = false;\n }\n\n private handleResetPins = async (): Promise => {\n // Load all students for current release before showing reset dialog\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showPinReset = true;\n };\n\n private handleClosePinReset = (): void => {\n this.showPinReset = false;\n };\n\n private handlePinReset = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:pin-reset', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleUnlock = (): void => {\n this.unlocked = true;\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:instructor-unlock', {\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleViewScores = async (): Promise => {\n // Load all students for current release before showing scores\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) return;\n\n try {\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students:', err);\n this.students = [];\n }\n\n this.showScores = true;\n };\n\n private handleCloseScores = (): void => {\n this.showScores = false;\n };\n\n private handleDataCleared = (): void => {\n // Forward event to parent\n this.dispatchEvent(\n new CustomEvent('qd:data-cleared', {\n bubbles: true,\n composed: true,\n }),\n );\n // Refresh students list\n this.students = [];\n };\n\n private handleLogout = (): void => {\n const session = getJSON(STORAGE_KEYS.SESSION);\n\n // Clear session from storage (this will also emit qd:logout event)\n const sessionService = new SessionService();\n sessionService.clearSession();\n\n // Dispatch event for any additional listeners\n this.dispatchEvent(\n new CustomEvent('qd:logout', {\n detail: {\n serviceId: session?.serviceId || 'unknown',\n },\n bubbles: true,\n composed: true,\n }),\n );\n };\n\n private handleToggleStudentAnswers = async (e: Event): Promise => {\n const checkbox = e.target as HTMLInputElement;\n this.showStudentAnswers = checkbox.checked;\n\n // FR-004: Load student data in fresh session when toggle is enabled\n if (this.showStudentAnswers && this.students.length === 0) {\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (session) {\n try {\n const storageService = getStorageService();\n const students = await storageService.getStudentsByRelease(session.release);\n this.students = students;\n } catch (err) {\n console.error('Failed to load students for toggle:', err);\n }\n }\n }\n\n // Emit event to notify table enhancers\n const eventName = this.showStudentAnswers\n ? 'qd:instructor-show-answers'\n : 'qd:instructor-hide-answers';\n\n this.dispatchEvent(\n new CustomEvent(eventName, {\n bubbles: true,\n composed: true,\n }),\n );\n\n // Persist toggle state in sessionStorage\n sessionStorage.setItem('qd/instructor/showAnswers', String(this.showStudentAnswers));\n };\n\n private handleHelpOpen = (): void => {\n this.helpOpen = true;\n };\n\n private handleHelpClose = (): void => {\n this.helpOpen = false;\n };\n\n override render() {\n if (!this.unlocked) {\n return html`\n \n `;\n }\n\n return html`\n
                            \n
                            \n Instructor Mode\n \n \n
                            \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n
                            \n `;\n }\n}\n\ndeclare global {\n interface HTMLElementTagNameMap {\n 'qd-instructor': QdInstructor;\n }\n}\n","/**\n * Component Injector\n * Injects UI components into the DOM during initialization\n */\n\nimport '../components/qd-login.js';\nimport '../components/qd-status.js';\nimport '../components/qd-instructor/qd-instructor.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * Default container selectors for component injection\n */\nexport const DEFAULT_CONTAINERS = {\n /** Where to inject status panel (Oxygen WebHelp default) */\n statusPanel: '.wh_top_menu_and_indexterms_link',\n} as const;\n\n/**\n * Configuration for component injection\n */\nexport interface ComponentInjectorConfig {\n /** Selector for status panel container */\n statusPanelContainer?: string;\n /** Database name for storage service */\n dbName?: string;\n}\n\n/**\n * Inject login component into status panel container\n */\nexport function injectLoginComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Login component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const login = document.createElement('qd-login');\n container.appendChild(login);\n info('Login component injected');\n return login;\n}\n\n/**\n * Inject status component into status panel container\n */\nexport function injectStatusComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Status component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const status = document.createElement('qd-status');\n container.appendChild(status);\n info('Status component injected');\n return status;\n}\n\n/**\n * Inject instructor component (shown when instructor unlocked)\n */\nexport function injectInstructorComponent(containerSelector: string): HTMLElement | null {\n const container = document.querySelector(containerSelector);\n if (!container) {\n info(`Instructor component not injected: container '${containerSelector}' not found`);\n return null;\n }\n\n const instructor = document.createElement('qd-instructor');\n container.appendChild(instructor);\n info('Instructor component injected');\n return instructor;\n}\n\n/**\n * Inject all UI components based on configuration\n */\nexport function injectComponents(config: ComponentInjectorConfig = {}): void {\n const statusPanelContainer = config.statusPanelContainer || DEFAULT_CONTAINERS.statusPanel;\n\n // Always inject login component (handles showing/hiding based on session state)\n injectLoginComponent(statusPanelContainer);\n\n // Always inject status component (handles showing/hiding based on session state)\n injectStatusComponent(statusPanelContainer);\n\n // Always inject instructor component (hidden until unlocked)\n injectInstructorComponent(statusPanelContainer);\n}\n","/**\n * Home Page Badge Enhancer\n *\n * Applies R/A/G (Red/Amber/Green) badges to navigation links based on\n * page completion states. Updates badges in real-time when states change.\n *\n * Features:\n * - Queries links with class .quizPageBtn\n * - Reads completion state from SessionCache\n * - Applies CSS classes: qd-badge-red, qd-badge-amber, qd-badge-green\n * - Listens for qd:state-changed events for real-time updates\n * - Handles missing data gracefully\n *\n * Badge Colors:\n * - Red: Unstarted (no answers provided)\n * - Amber: Incomplete (some answered OR any incorrect)\n * - Green: Complete (all answered AND all correct)\n */\n\nimport type { PageId, SessionCache, CompletionState } from '../types/contracts.js';\nimport { getJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS } from '../types/contracts.js';\nimport { info } from '../utils/logger.js';\n\n/**\n * CSS class constants for badges\n */\nconst BADGE_CLASSES = {\n red: 'qd-badge-red',\n amber: 'qd-badge-amber',\n green: 'qd-badge-green',\n} as const;\n\n/**\n * Map completion states to badge colors\n */\nconst STATE_TO_BADGE: Record = {\n unstarted: 'red',\n incomplete: 'amber',\n complete: 'green',\n};\n\n/**\n * Apply badge class to a link element\n *\n * @param link - Link element to apply badge to\n * @param state - Completion state\n */\nfunction applyBadge(link: HTMLElement, state: CompletionState): void {\n // Remove all existing badge classes\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n\n // Apply new badge class based on state\n const badgeColor = STATE_TO_BADGE[state];\n const badgeClass = BADGE_CLASSES[badgeColor];\n link.classList.add(badgeClass);\n}\n\n/**\n * Get completion state for a page from session cache\n *\n * @param pageId - Page ID to look up\n * @param cache - Session cache\n * @returns Completion state (defaults to 'unstarted' if not found)\n */\nfunction getPageState(pageId: PageId | null, cache: SessionCache | null): CompletionState {\n if (!pageId || !cache?.pages) {\n return 'unstarted';\n }\n\n const pageData = cache.pages[pageId];\n return pageData?.state ?? 'unstarted';\n}\n\n/**\n * Update badge for a single link\n *\n * @param link - Link element with data-page-id attribute\n */\nfunction updateLinkBadge(link: HTMLElement): void {\n const pageId = link.getAttribute('data-page-id');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const state = getPageState(pageId, cache);\n\n applyBadge(link, state);\n}\n\n/**\n * Update all badges from current session cache\n * If no session exists, remove all badges\n */\nfunction updateAllBadges(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n const cache = getJSON(STORAGE_KEYS.CACHE);\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n\n // If instructor mode OR no cache, remove all badge styling\n if (!cache || isInstructor) {\n links.forEach((link) => {\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n if (isInstructor) {\n info(`Removed badge styling from ${links.length} page links (instructor mode)`);\n } else {\n info(`Removed badge styling from ${links.length} page links (no session)`);\n }\n return;\n }\n\n // Cache exists and not instructor, apply badges based on state\n links.forEach((link) => {\n updateLinkBadge(link);\n });\n\n info(`Updated ${links.length} page badges`);\n}\n\n/**\n * Handle qd:state-changed event\n *\n * @param event - Custom event with pageId and state\n */\nfunction handleStateChanged(event: Event): void {\n const customEvent = event as CustomEvent<{ pageId: PageId; state: CompletionState }>;\n const { pageId } = customEvent.detail;\n\n // Find link with matching pageId\n const link = document.querySelector(`[data-page-id=\"${pageId}\"]`);\n\n if (link && link.classList.contains('quizPageBtn')) {\n updateLinkBadge(link);\n info(`Updated badge for page ${pageId}`);\n }\n}\n\n/**\n * Handle qd:cache-rebuild event - refresh all badges after cache is ready\n */\nfunction handleCacheRebuild(): void {\n info('Cache rebuilt, refreshing all badges');\n updateAllBadges();\n}\n\n/**\n * Handle qd:logout event - remove all badge styling\n */\nfunction handleLogout(): void {\n info('Logout detected, removing all badge styling');\n const links = document.querySelectorAll('.quizPageBtn');\n\n links.forEach((link) => {\n // Remove all badge classes to revert to native button styling\n Object.values(BADGE_CLASSES).forEach((className) => {\n link.classList.remove(className);\n });\n });\n\n info(`Removed badge styling from ${links.length} page links`);\n}\n\n/**\n * Extract pageId from link href attribute\n *\n * @param link - Link element with href\n * @returns PageId extracted from href, or null if invalid\n *\n * @example\n * href=\"Pages/quiz-mcq.html\" → \"quiz-mcq\"\n * href=\"gram-1.html\" → \"gram-1\"\n */\nfunction extractPageIdFromHref(link: HTMLAnchorElement): PageId | null {\n const href = link.getAttribute('href');\n if (!href) {\n return null;\n }\n\n // Extract filename from href (last segment after /)\n const filename = href.substring(href.lastIndexOf('/') + 1);\n\n // Remove .html or .htm extension\n const pageId = filename.replace(/\\.html?$/i, '');\n\n return pageId || null;\n}\n\n/**\n * Enhance home page with R/A/G badges on navigation links\n *\n * This function:\n * 1. Queries all links with class .quizPageBtn\n * 2. Extracts pageId from href attribute and sets data-page-id\n * 3. Reads SessionCache to determine page completion states\n * 4. Applies appropriate badge CSS classes\n * 5. Sets up event listener for real-time updates\n *\n * @example\n * ```html\n * MCQ Questions\n * ```\n *\n * After enhancement:\n * - data-page-id attribute set: data-page-id=\"quiz-mcq\"\n * - Unstarted pages: class=\"quizPageBtn qd-badge-red\"\n * - Incomplete pages: class=\"quizPageBtn qd-badge-amber\"\n * - Complete pages: class=\"quizPageBtn qd-badge-green\"\n */\nexport function enhanceHomeBadges(): void {\n // Find all navigation links\n const links = document.querySelectorAll('.quizPageBtn');\n\n // Extract pageId from href and set data-page-id attribute\n links.forEach((link) => {\n const pageId = extractPageIdFromHref(link);\n if (pageId) {\n link.setAttribute('data-page-id', pageId);\n info(`Set data-page-id=\"${pageId}\" for link: ${link.textContent?.trim()}`);\n } else {\n info(`Failed to extract pageId from href: ${link.getAttribute('href')}`);\n }\n });\n\n // Apply initial badges\n updateAllBadges();\n\n // Listen for state changes and update badges in real-time\n document.addEventListener('qd:state-changed', handleStateChanged);\n\n // Listen for cache rebuild (after login) to refresh badges\n document.addEventListener('qd:cache-rebuild', handleCacheRebuild);\n\n // Listen for logout events to reset badges\n document.addEventListener('qd:logout', handleLogout);\n\n info('Home page badges enhanced with event listeners');\n}\n","/**\n * Bootstrap Module\n * Main initialization logic for the Sonar Quiz System\n */\n\nimport { info, warn } from '../utils/logger.js';\nimport { EventCoordinator } from './event-coordinator.js';\nimport { SessionCoordinator } from './session-coordinator.js';\nimport { injectComponents, type ComponentInjectorConfig } from './component-injector.js';\nimport {\n enhanceQuizTable,\n getQuizTableMetadata,\n showStudentAnswersForTable,\n hideStudentAnswersForTable,\n} from '../enhancers/quiz-table.js';\nimport { enhanceAnalysisTable } from '../enhancers/analysis-table.js';\nimport { enhanceHomeBadges } from '../enhancers/home-badges.js';\nimport { getStorageService } from '../services/storage-service.js';\nimport { getJSON, setJSON } from '../utils/storage-helpers.js';\nimport { STORAGE_KEYS, type SessionData, type SessionCache } from '../types/contracts.js';\n\n/**\n * Inject global CSS styles required by the quiz system\n * Must be called before any table enhancement\n */\nfunction injectGlobalStyles(): void {\n // Check if styles already injected\n if (document.getElementById('qd-global-styles')) {\n return;\n }\n\n const style = document.createElement('style');\n style.id = 'qd-global-styles';\n style.textContent = `\n /* Sonar Quiz System - Global Styles */\n .qd-hidden {\n display: none !important;\n }\n\n /* Quiz table interactive mode styles */\n .qd-quiz-interactive .qd-quiz-input {\n width: 100%;\n padding: 0.5rem;\n font-size: inherit;\n border: 1px solid #ccc;\n border-radius: 4px;\n }\n\n /* Ensure select elements inherit font properly */\n .qd-quiz-interactive select.qd-quiz-input {\n font-family: inherit;\n font-size: inherit;\n }\n\n /* Validation styling for answer cells */\n .qd-quiz-interactive .qd-answer-correct {\n background-color: #d4edda !important;\n border-color: #28a745 !important;\n }\n\n .qd-quiz-interactive .qd-answer-incorrect {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n\n /* Home page badge styles (R/A/G indicators) */\n .qd-badge-red {\n border-left: 4px solid #d32f2f !important;\n background-color: #ffebee !important;\n }\n\n .qd-badge-amber {\n border-left: 4px solid #ff9800 !important;\n background-color: #fff3e0 !important;\n }\n\n .qd-badge-green {\n border-left: 4px solid #4caf50 !important;\n background-color: #e8f5e9 !important;\n }\n\n /* Instructor mode: Student answers display */\n .qd-student-answers {\n margin-top: 12px;\n padding: 8px;\n background: #f8f9fa;\n border-radius: 4px;\n border: 1px solid #dee2e6;\n }\n\n .qd-student-answer {\n font-size: 12px;\n padding: 4px 0;\n line-height: 1.4;\n }\n\n .qd-student-answer.qd-correct {\n color: #28a745;\n }\n\n .qd-student-answer.qd-incorrect {\n color: #dc3545;\n }\n\n .qd-student-name {\n font-weight: 600;\n }\n\n .qd-student-answer-text {\n margin: 0 4px;\n }\n\n .qd-timestamp {\n color: #6c757d;\n font-size: 11px;\n margin-left: 8px;\n }\n\n /* Modal error message styles (needed because qd-modal moves to body) */\n .error-message {\n color: #d32f2f;\n font-size: 12px;\n padding: 8px;\n background: #ffebee;\n border-radius: 4px;\n border-left: 3px solid #d32f2f;\n }\n `;\n\n document.head.appendChild(style);\n info('Global styles injected');\n}\n\n/**\n * Bootstrap configuration options\n */\nexport interface BootstrapConfig extends ComponentInjectorConfig {\n /** Auto-enhance quiz tables on init */\n autoEnhanceQuizTables?: boolean;\n /** Auto-enhance analysis tables on init */\n autoEnhanceAnalysisTables?: boolean;\n /** Auto-enhance home page badges on init */\n autoEnhanceHomeBadges?: boolean;\n}\n\n/**\n * Bootstrap state\n */\ninterface BootstrapState {\n initialized: boolean;\n eventCoordinator?: EventCoordinator;\n sessionCoordinator?: SessionCoordinator;\n}\n\nconst state: BootstrapState = {\n initialized: false,\n};\n\n/**\n * Initialize the Sonar Quiz System\n *\n * @param config - Bootstrap configuration\n */\nexport async function bootstrap(config: BootstrapConfig = {}): Promise {\n if (state.initialized) {\n warn('Bootstrap already initialized, skipping');\n return;\n }\n\n info('Bootstrapping Sonar Quiz System...');\n\n // 0. Inject required global styles\n injectGlobalStyles();\n\n // 1. Initialize storage service (IndexedDB)\n // dbName is REQUIRED - readDOMConfig() throws if missing\n if (!config.dbName) {\n const msg = 'FATAL: dbName not provided in bootstrap config. Processing stopped.';\n console.error(msg);\n throw new Error(msg);\n }\n const storageService = getStorageService(config.dbName);\n await storageService.init();\n\n // 2. Initialize event coordinator\n const eventCoordinator = new EventCoordinator();\n eventCoordinator.initialize();\n state.eventCoordinator = eventCoordinator;\n\n // 3. Initialize session coordinator\n const sessionCoordinator = new SessionCoordinator();\n sessionCoordinator.initialize();\n state.sessionCoordinator = sessionCoordinator;\n\n // 4. Inject UI components\n injectComponents({\n statusPanelContainer: config.statusPanelContainer,\n dbName: config.dbName,\n });\n\n // 5. Auto-enhance tables if enabled\n if (config.autoEnhanceQuizTables !== false) {\n enhanceAllQuizTables();\n }\n\n if (config.autoEnhanceAnalysisTables !== false) {\n enhanceAllAnalysisTables();\n }\n\n if (config.autoEnhanceHomeBadges !== false) {\n enhanceHomeBadgesIfPresent();\n }\n\n // 6. Check for existing session and upgrade tables if logged in\n await checkExistingSessionAndUpgradeTables();\n\n // 7. Listen for instructor login events to dynamically reveal answers\n // qd:login with role='instructor' is dispatched by qd-login component\n document.addEventListener('qd:login', (event) => {\n const detail = (event as CustomEvent<{ role?: string }>).detail;\n if (detail?.role === 'instructor') {\n info('Instructor login event received, revealing quiz answers');\n revealQuizAnswersForInstructor();\n }\n });\n\n state.initialized = true;\n info('Bootstrap complete');\n}\n\n/**\n * Enhance all quiz tables found in the document\n * Initially enhances in non-interactive mode (hide answers for security)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllQuizTables(): void {\n const tables = document.querySelectorAll('table.qd-quiz');\n\n if (tables.length === 0) {\n info('No quiz tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} quiz table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceQuizTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance quiz table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} quiz table(s) (non-interactive)`);\n}\n\n/**\n * Enhance all analysis tables found in the document\n * Initially enhances in non-interactive mode (read-only)\n * Upgraded to interactive mode after login via event coordinator\n */\nfunction enhanceAllAnalysisTables(): void {\n const tables = document.querySelectorAll('table.qd-analysis');\n\n if (tables.length === 0) {\n info('No analysis tables found to enhance');\n return;\n }\n\n info(`Enhancing ${tables.length} analysis table(s) in non-interactive mode...`);\n\n let enhanced = 0;\n for (const table of Array.from(tables)) {\n try {\n enhanceAnalysisTable(table, { interactive: false });\n enhanced++;\n } catch (err) {\n warn(`Failed to enhance analysis table: ${(err as Error).message}`);\n }\n }\n\n info(`Enhanced ${enhanced} of ${tables.length} analysis table(s) (non-interactive)`);\n}\n\n/**\n * Enhance home page badges if .quizPageBtn links exist\n */\nfunction enhanceHomeBadgesIfPresent(): void {\n const links = document.querySelectorAll('.quizPageBtn');\n\n if (links.length === 0) {\n info('No .quizPageBtn links found, skipping badge enhancement');\n return;\n }\n\n info(`Enhancing home page badges for ${links.length} link(s)...`);\n\n try {\n enhanceHomeBadges();\n info('Home page badges enhanced');\n } catch (err) {\n warn(`Failed to enhance home badges: ${(err as Error).message}`);\n }\n}\n\n/**\n * Reveal quiz answers for instructor mode\n * Called when instructor logs in (either on page load or dynamically via event)\n * Shows answer and detail columns that were hidden for security\n */\nfunction revealQuizAnswersForInstructor(): void {\n // Extract pageId from URL\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n // Reveal answer and detail columns for instructor (they're hidden by default in non-interactive mode)\n const quizTables = document.querySelectorAll('table.qd-quiz');\n\n if (quizTables.length === 0) {\n info('No quiz tables found to reveal answers for');\n return;\n }\n\n quizTables.forEach((table) => {\n // Get parsed metadata (contains correct answers)\n const metadata = getQuizTableMetadata(table);\n if (!metadata) return;\n\n // Update metadata with pageId\n metadata.pageId = pageId;\n\n // Remove qd-hidden class from answer column (column 1)\n const answerCells = table.querySelectorAll('td:nth-child(2), th:nth-child(2)');\n answerCells.forEach((cell) => {\n cell.classList.remove('qd-hidden');\n });\n\n // Restore answer text to data cells only (not header)\n const answerDataCells = table.querySelectorAll('tbody td:nth-child(2)');\n answerDataCells.forEach((cell, index) => {\n const question = metadata.parsed.questions[index];\n if (question && cell instanceof HTMLTableCellElement) {\n cell.textContent = question.correctAnswer;\n }\n });\n\n // Remove qd-hidden class from detail column (column 2)\n const detailCells = table.querySelectorAll('td:nth-child(3), th:nth-child(3)');\n detailCells.forEach((cell) => cell.classList.remove('qd-hidden'));\n\n // Set up instructor toggle event listeners (since table is non-interactive)\n const showAnswersHandler = () => {\n void showStudentAnswersForTable(table, metadata);\n };\n const hideAnswersHandler = () => {\n hideStudentAnswersForTable(table);\n };\n\n document.addEventListener('qd:instructor-show-answers', showAnswersHandler);\n document.addEventListener('qd:instructor-hide-answers', hideAnswersHandler);\n\n // Check if toggle already enabled\n const showAnswers = sessionStorage.getItem('qd/instructor/showAnswers') === 'true';\n if (showAnswers) {\n void showAnswersHandler();\n }\n });\n\n info(`Revealed answers for instructor on ${quizTables.length} quiz table(s)`);\n}\n\n/**\n * Check for existing session and upgrade tables to interactive mode\n * Called during bootstrap to handle page navigation with active session\n */\nasync function checkExistingSessionAndUpgradeTables(): Promise {\n // Check if session exists\n const session = getJSON(STORAGE_KEYS.SESSION);\n if (!session) {\n info('No existing session, tables remain in non-interactive mode');\n return;\n }\n\n // Check if instructor mode - instructors don't need interactive tables\n const isInstructor = sessionStorage.getItem(STORAGE_KEYS.INSTRUCTOR) === 'true';\n if (isInstructor) {\n info('Instructor session detected, revealing answers in non-interactive tables');\n revealQuizAnswersForInstructor();\n return;\n }\n\n info(`Existing session detected for ${session.serviceId}, upgrading tables to interactive mode`);\n\n // Load or rebuild cache from IndexedDB\n const storageService = getStorageService();\n let cache = getJSON(STORAGE_KEYS.CACHE);\n\n if (!cache) {\n info('Cache not found, rebuilding from IndexedDB...');\n try {\n const studentRecord = await storageService.loadStudentRecord(session);\n cache = storageService.buildCache(studentRecord);\n setJSON(STORAGE_KEYS.CACHE, cache);\n info(`Cache rebuilt from IndexedDB: ${cache.totals.total} total questions`);\n } catch {\n warn('Failed to rebuild cache from IndexedDB, using empty cache');\n cache = {\n totals: { total: 0, answered: 0, correct: 0 },\n pages: {},\n };\n setJSON(STORAGE_KEYS.CACHE, cache);\n }\n }\n\n // Extract pageId from URL filename\n const pathname = window.location.pathname;\n const filename = pathname.substring(pathname.lastIndexOf('/') + 1);\n const pageId = filename.replace(/\\.html?$/i, '');\n\n if (!pageId) {\n info('No pageId found, skipping table upgrade');\n return;\n }\n\n // Upgrade quiz tables to interactive mode\n const quizTables = document.querySelectorAll('table.qd-quiz');\n if (quizTables.length > 0) {\n info(`Upgrading ${quizTables.length} quiz table(s) to interactive mode...`);\n quizTables.forEach((table) => {\n enhanceQuizTable(table, { interactive: true, pageId });\n });\n }\n\n // Upgrade analysis tables to interactive mode\n const analysisTables = document.querySelectorAll('table.qd-analysis');\n if (analysisTables.length > 0) {\n info(`Upgrading ${analysisTables.length} analysis table(s) to interactive mode...`);\n analysisTables.forEach((table) => {\n enhanceAnalysisTable(table, { interactive: true, pageId });\n });\n }\n}\n\n/**\n * Cleanup bootstrap resources\n */\nexport function cleanup(): void {\n if (!state.initialized) {\n warn('Bootstrap not initialized, nothing to cleanup');\n return;\n }\n\n info('Cleaning up bootstrap resources...');\n\n state.eventCoordinator?.cleanup();\n state.sessionCoordinator?.cleanup();\n\n state.initialized = false;\n state.eventCoordinator = undefined;\n state.sessionCoordinator = undefined;\n\n info('Bootstrap cleanup complete');\n}\n\n/**\n * Check if bootstrap is initialized\n */\nexport function isInitialized(): boolean {\n return state.initialized;\n}\n\n/**\n * Get the event coordinator instance\n */\nexport function getEventCoordinator(): EventCoordinator | undefined {\n return state.eventCoordinator;\n}\n\n/**\n * Get the session coordinator instance\n */\nexport function getSessionCoordinator(): SessionCoordinator | undefined {\n return state.sessionCoordinator;\n}\n","/**\n * Sonar Quiz System - Entry Point\n *\n * Offline-first interactive quiz and analysis platform for DITA-published content.\n *\n * @packageDocumentation\n */\n\nimport { bootstrap } from './init/bootstrap.js';\nimport { info } from './utils/logger.js';\nimport { readDOMConfig } from './config/dom-config-reader.js';\n\n// Export quiz table enhancer (Phase 2.1)\nexport {\n enhanceQuizTable,\n getQuizTableMetadata,\n isQuizTableEnhanced,\n} from './enhancers/quiz-table.js';\nexport type { EnhanceQuizTableOptions } from './enhancers/quiz-table.js';\n\n// Export analysis table enhancer (Phase 2.2)\nexport {\n enhanceAnalysisTable,\n getAnalysisTableMetadata,\n isAnalysisTableEnhanced,\n} from './enhancers/analysis-table.js';\nexport type { EnhanceAnalysisTableOptions } from './enhancers/analysis-table.js';\n\n// Export types\nexport type {\n ParsedQuizTable,\n QuizQuestion,\n AnswerRecord,\n CompletionState,\n PageId,\n SessionData,\n SessionCache,\n StudentRecord,\n PageData,\n ReleaseId,\n ServiceId,\n TableId,\n CellKey,\n QuestionKind,\n} from './types/contracts.js';\n\n// Export constants\nexport { STORAGE_KEYS, SCHEMA_VERSION, SESSION_TIMEOUT_MS } from './types/contracts.js';\n\n// Export services\nexport { parseQuizTable, validateAnswer } from './services/quiz-parser.js';\nexport {\n parseAnalysisTable,\n generateTableId,\n generateCellKey,\n isCellEditable,\n} from './services/analysis-parser.js';\nexport { calculateCompletionState } from './services/state-calculator.js';\n\n// Export utilities\nexport { Debouncer } from './utils/debouncer.js';\nexport { getJSON, setJSON, clearQuizData } from './utils/storage-helpers.js';\nexport { info, warn, error } from './utils/logger.js';\n\n// Export bootstrap (Phase 3)\nexport { bootstrap, cleanup, isInitialized } from './init/bootstrap.js';\nexport type { BootstrapConfig } from './init/bootstrap.js';\n\n// Export component injector\nexport { injectComponents, DEFAULT_CONTAINERS } from './init/component-injector.js';\nexport type { ComponentInjectorConfig } from './init/component-injector.js';\n\n/**\n * Version information\n */\nexport const VERSION = '0.1.0-phase3.1';\nexport const BUILD_DATE = typeof __BUILD_DATE__ !== 'undefined' ? __BUILD_DATE__ : 'development';\n\n// Declare global for build date injection\ndeclare const __BUILD_DATE__: string;\n\n/**\n * Auto-initialize on DOMContentLoaded\n *\n * System always initializes when script loads. 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\ No newline at end of file From 0e26fbcff9764fb9d5f9a67f840f6f3500511a7d Mon Sep 17 00:00:00 2001 From: Ian Mayo Date: Thu, 27 Nov 2025 17:22:54 +0000 Subject: [PATCH 11/11] style: fix prettier formatting issues --- .claude/settings.local.json | 3 ++- src/components/qd-help-trigger.ts | 14 +++++--------- src/components/qd-instructor/qd-instructor.ts | 5 ++++- src/components/qd-login.ts | 5 +---- src/components/qd-status.ts | 5 ++++- 5 files changed, 16 insertions(+), 16 deletions(-) diff --git a/.claude/settings.local.json b/.claude/settings.local.json index 470f2f3..6dc56d0 100644 --- a/.claude/settings.local.json +++ b/.claude/settings.local.json @@ -50,7 +50,8 @@ "Bash(git revert:*)", "Bash(npm run test:e2e:headed:*)", "Bash(git stash:*)", - "Bash(git rebase:*)" + "Bash(git rebase:*)", + "Bash(git -C /Users/ian/git/BrowserTest status)" ], "deny": [], "ask": [] diff --git a/src/components/qd-help-trigger.ts b/src/components/qd-help-trigger.ts index cf4e98b..16843f7 100644 --- a/src/components/qd-help-trigger.ts +++ b/src/components/qd-help-trigger.ts @@ -39,7 +39,10 @@ export class QdHelpTrigger extends LitElement { color: white; font-size: 12px; font-weight: bold; - font-family: system-ui, -apple-system, sans-serif; + font-family: + system-ui, + -apple-system, + sans-serif; cursor: pointer; border: none; padding: 0; @@ -81,14 +84,7 @@ export class QdHelpTrigger extends LitElement { render() { return html` - + `; } } diff --git a/src/components/qd-instructor/qd-instructor.ts b/src/components/qd-instructor/qd-instructor.ts index f93ebb7..57447fe 100644 --- a/src/components/qd-instructor/qd-instructor.ts +++ b/src/components/qd-instructor/qd-instructor.ts @@ -323,7 +323,10 @@ export class QdInstructor extends LitElement {
                            Instructor Mode - +
                            diff --git a/src/components/qd-login.ts b/src/components/qd-login.ts index f5bfbcd..2756544 100644 --- a/src/components/qd-login.ts +++ b/src/components/qd-login.ts @@ -326,10 +326,7 @@ export class QdLogin extends LitElement {
                            ${this.title} - +