docs(specs): mark tasks complete

Author: remarkablemark

specs/003-diff-line-numbers/tasks.md

@@ -19,9 +19,9 @@
 
 **Purpose**: Add the `DiffLine` and `DiffLineResult` types and the pure `segmentsToLines` utility that all subsequent tasks depend on.
 
-- [ ] T001 Add `DiffLine` interface and `DiffLineResult` interface (extends `DiffResult`) to src/types/diff.ts
-- [ ] T002 [P] Write unit tests for `segmentsToLines` utility in src/utils/segmentsToLines.test.ts (unchanged lines, removed lines, added lines, mixed segments, multi-line segments split by `\n`, single-line input, empty segments, segments ending with newline)
-- [ ] T003 [P] Implement `segmentsToLines` pure function in src/utils/segmentsToLines.ts (iterate segments, split by `\n`, track original/modified line counters, emit DiffLine per output line)
+- [x] T001 Add `DiffLine` interface and `DiffLineResult` interface (extends `DiffResult`) to src/types/diff.ts
+- [x] T002 [P] Write unit tests for `segmentsToLines` utility in src/utils/segmentsToLines.test.ts (unchanged lines, removed lines, added lines, mixed segments, multi-line segments split by `\n`, single-line input, empty segments, segments ending with newline)
+- [x] T003 [P] Implement `segmentsToLines` pure function in src/utils/segmentsToLines.ts (iterate segments, split by `\n`, track original/modified line counters, emit DiffLine per output line)
 
 **Checkpoint**: `DiffLine` type exists, `segmentsToLines` is tested and working.
 
@@ -33,9 +33,9 @@
 
 **⚠️ CRITICAL**: No user story work can begin until this phase is complete.
 
-- [ ] T004 Update `useDiff` hook to call `segmentsToLines` and return `DiffLineResult` (with `lines` field) in src/hooks/useDiff.ts
-- [ ] T005 Update `useDiff` tests to verify `lines` output includes correct line numbers for all three diff methods in src/hooks/useDiff.test.ts
-- [ ] T006 Update `DiffViewerProps` to accept `DiffLineResult` instead of `DiffResult` in src/components/DiffViewer/DiffViewer.types.ts
+- [x] T004 Update `useDiff` hook to call `segmentsToLines` and return `DiffLineResult` (with `lines` field) in src/hooks/useDiff.ts
+- [x] T005 Update `useDiff` tests to verify `lines` output includes correct line numbers for all three diff methods in src/hooks/useDiff.test.ts
+- [x] T006 Update `DiffViewerProps` to accept `DiffLineResult` instead of `DiffResult` in src/components/DiffViewer/DiffViewer.types.ts
 
 **Checkpoint**: `useDiff` returns line-based output with correct line numbers, `DiffViewer` types updated.
 
@@ -51,13 +51,13 @@
 
 > **NOTE: Write these tests FIRST, ensure they FAIL before implementation**
 
-- [ ] T007 [P] [US1] Write unit tests for unified view line number rendering in src/components/DiffViewer/DiffViewer.test.tsx (gutter renders two columns with correct line numbers, removed lines show original number only, added lines show modified number only, unchanged lines show both, gutter is aria-hidden, gutter uses TextInput gutter styling classes)
-- [ ] T008 [P] [US1] Write integration tests for unified view line numbers in src/components/App/App.test.tsx (line numbers appear when diff is displayed, line numbers correct across diff method changes)
+- [x] T007 [P] [US1] Write unit tests for unified view line number rendering in src/components/DiffViewer/DiffViewer.test.tsx (gutter renders two columns with correct line numbers, removed lines show original number only, added lines show modified number only, unchanged lines show both, gutter is aria-hidden, gutter uses TextInput gutter styling classes)
+- [x] T008 [P] [US1] Write integration tests for unified view line numbers in src/components/App/App.test.tsx (line numbers appear when diff is displayed, line numbers correct across diff method changes)
 
 ### Implementation for User Story 1
 
-- [ ] T009 [US1] Restructure unified view rendering in src/components/DiffViewer/DiffViewer.tsx from inline spans to row-based layout with two-column gutter (original | modified) using TextInput gutter style classes (`bg-gray-50 dark:bg-gray-800`, `text-right font-mono text-sm leading-6 text-gray-400 dark:text-gray-500`, `select-none`, `aria-hidden="true"`)
-- [ ] T010 [US1] Update App component to pass `DiffLineResult` to `DiffViewer` in src/components/App/App.tsx (type change only — `useDiff` already returns the new type after T004)
+- [x] T009 [US1] Restructure unified view rendering in src/components/DiffViewer/DiffViewer.tsx from inline spans to row-based layout with two-column gutter (original | modified) using TextInput gutter style classes (`bg-gray-50 dark:bg-gray-800`, `text-right font-mono text-sm leading-6 text-gray-400 dark:text-gray-500`, `select-none`, `aria-hidden="true"`)
+- [x] T010 [US1] Update App component to pass `DiffLineResult` to `DiffViewer` in src/components/App/App.tsx (type change only — `useDiff` already returns the new type after T004)
 
 **Checkpoint**: User Story 1 is fully functional — unified view shows line number gutters, all tests pass.
 
@@ -73,12 +73,12 @@
 
 > **NOTE: Write these tests FIRST, ensure they FAIL before implementation**
 
-- [ ] T011 [P] [US2] Write unit tests for side-by-side line number rendering in src/components/DiffViewer/DiffViewer.test.tsx (each column has a gutter, original column shows original line numbers, modified column shows modified line numbers, placeholder rows have faint gray background and no line number, gutter is aria-hidden)
-- [ ] T012 [P] [US2] Write integration tests for side-by-side line numbers in src/components/App/App.test.tsx (line numbers appear in side-by-side mode, placeholder rows render correctly)
+- [x] T011 [P] [US2] Write unit tests for side-by-side line number rendering in src/components/DiffViewer/DiffViewer.test.tsx (each column has a gutter, original column shows original line numbers, modified column shows modified line numbers, placeholder rows have faint gray background and no line number, gutter is aria-hidden)
+- [x] T012 [P] [US2] Write integration tests for side-by-side line numbers in src/components/App/App.test.tsx (line numbers appear in side-by-side mode, placeholder rows render correctly)
 
 ### Implementation for User Story 2
 
-- [ ] T013 [US2] Restructure side-by-side view rendering in src/components/DiffViewer/DiffViewer.tsx from inline spans to row-based layout with single-column gutter per side, placeholder rows with `bg-gray-100 dark:bg-gray-800` for missing lines
+- [x] T013 [US2] Restructure side-by-side view rendering in src/components/DiffViewer/DiffViewer.tsx from inline spans to row-based layout with single-column gutter per side, placeholder rows with `bg-gray-100 dark:bg-gray-800` for missing lines
 
 **Checkpoint**: User Stories 1 AND 2 both work independently — unified and side-by-side views both show line numbers.
 
@@ -88,9 +88,9 @@
 
 **Purpose**: Final quality pass.
 
-- [ ] T014 [P] Accessibility audit — verify `aria-hidden` on all gutters, keyboard tab order unaffected, screen reader does not announce line numbers
-- [ ] T015 Run all quality gates: `npm run lint`, `npm run lint:tsc`, `npm run test:ci`, `npm run build`
-- [ ] T016 Run quickstart.md validation — follow all steps in specs/003-diff-line-numbers/quickstart.md and verify they work end-to-end
+- [x] T014 [P] Accessibility audit — verify `aria-hidden` on all gutters, keyboard tab order unaffected, screen reader does not announce line numbers
+- [x] T015 Run all quality gates: `npm run lint`, `npm run lint:tsc`, `npm run test:ci`, `npm run build`
+- [x] T016 Run quickstart.md validation — follow all steps in specs/003-diff-line-numbers/quickstart.md and verify they work end-to-end
 
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