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# Codex Commands — BUILD_PR_LEVEL_20_23_MOVE_TOOL_HOST_PAGER_INSIDE_MOUNT_CONTAINER
## Model GPT-5.4 or GPT-5.3-codex ## Reasoning High ## Command ```text Read docs/dev/codex_rules.md first. Execute BUILD_PR_LEVEL_20_23_MOVE_TOOL_HOST_PAGER_INSIDE_MOUNT_CONTAINER. User correction: The tool-host-pager section must be moved out of the top-level Workspace Manager host shell and into: <div data-tool-host-mount-container class="tool-host-workspace__mount"></div> Current wrong structure: <main class="tool-host-workspace"> <section class="tool-host-pager">...</section> <div data-tool-host-mount-container class="tool-host-workspace__mount"></div> </main> Required: <main class="tool-host-workspace"> <div data-tool-host-mount-container class="tool-host-workspace__mount"> ...mounted Workspace Manager content... <section class="tool-host-pager">...</section> ...Editors... </div> </main> Required changes: 1. Remove top-level section.tool-host-pager from tools/Workspace Manager/index.html. 2. Ensure main.js renders/creates the pager inside [data-tool-host-mount-container]. 3. Place pager above Editors/card grid inside mounted Workspace Manager content. 4. Keep pager controls wired: - [PREV] - current tool name - [NEXT] - hidden select if needed by existing code 5. On load, select/mount first available tool. 6. Prev/Next changes selected/mounted tool. Forbidden: - duplicate pager - top-level pager before mount container - appending pager to document.body - putting pager above site chrome/header - restoring gameId || game - changing samples - broad Workspace Manager refactor - start_of_day changes Validation: Create docs/dev/reports/tool_host_pager_inside_mount_container_validation.md with: - changed files - proof Workspace Manager index no longer has top-level section.tool-host-pager - proof section.tool-host-pager is rendered inside data-tool-host-mount-container - proof pager appears above Editors/card grid inside mounted content - proof pager is not above Toolbox Aid site header/chrome - proof first available tool selected/mounted on load - proof Prev/Next changes selected/mounted tool - proof gameId || game fallback not restored - proof samples remain untouched - anti-pattern self-check Return ZIP at: tmp/BUILD_PR_LEVEL_20_23_MOVE_TOOL_HOST_PAGER_INSIDE_MOUNT_CONTAINER.zip ```
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‎docs/dev/codex_rules.md‎

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@@ -4,48 +4,44 @@ These rules OVERRIDE all other instructions.
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## This PR
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Rollback failed Workspace Manager header/banner attempts, then add only the requested pager.
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Move `section.tool-host-pager` inside `[data-tool-host-mount-container]`.
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Allowed:
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- targeted rollback of Workspace Manager files affected by 20_14 through 20_19
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- add centered [PREV] <toolname> [NEXT] above tools/editors
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- targeted Workspace Manager index/main/CSS changes required for pager relocation
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- validation report
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Forbidden:
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- broad cleanup
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- unrelated refactoring
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- changes to samples behavior
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- changes to required labels
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- new header
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- new banner
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- keeping failed top Workspace Manager control/header area
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- samples changes
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- game label changes
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- duplicate pager
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- top-level pager before mount container
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- pager appended to document.body
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- second SSoT
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- start_of_day changes
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- roadmap text rewrite outside status markers
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## Rollback Anchor
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## Structural Requirement
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Find the commit with comment:
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`tools/Workspace Manager/index.html` must not keep:
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Remove Workspace Manager default and query fallbacks
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```html
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<section class="tool-host-pager">
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```
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Use it as the Workspace Manager restore anchor before applying pager.
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as a sibling before:
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## Required UI
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```html
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<div data-tool-host-mount-container>
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```
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Restore normal Workspace Manager content first.
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Then add only:
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[PREV] <toolname> [NEXT]
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above the existing tools/editors section.
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The visible pager must be rendered as a descendant of `[data-tool-host-mount-container]`.
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## User-Approved Behavior
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For this PR:
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- first available tool is selected on page load
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- selected tool is active/mounted on page load
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- first available tool is selected on load
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- selected tool is active/mounted on load
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## Still Forbidden
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@@ -54,7 +50,6 @@ Do not restore:
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- legacy `game` query fallback
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- hidden fallback routing
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- stale memory reuse
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- broken header/banner/control area
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## Anti-Patterns Forbidden
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@@ -67,10 +62,7 @@ Do not restore:
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- duplicated launch paths
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- silent redirects
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- silent caught errors
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- broad truthy/falsy behavior changes
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- magic strings outside existing registry/config pattern
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- duplicate event listeners
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- globals
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- new managers/factories/service layers
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- public API changes outside this PR
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- broad refactor
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- scope expansion

‎docs/dev/reports/tool_host_pager_inside_mount_container_validation.md‎

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# BUILD_PR_LEVEL_20_23_MOVE_TOOL_HOST_PAGER_INSIDE_MOUNT_CONTAINER Validation
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## Changed Files
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- `tools/Workspace Manager/index.html`
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- `tools/Workspace Manager/main.js`
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- `tools/Workspace Manager/toolHost.css`
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- `docs/dev/reports/tool_host_pager_inside_mount_container_validation.md`
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## Proof Workspace Manager Index No Longer Has Top-Level section.tool-host-pager
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- `index.html` now contains only mount container under main:
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- `tools/Workspace Manager/index.html:10` `<main class="tool-host-workspace">`
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- `tools/Workspace Manager/index.html:11` `<div data-tool-host-mount-container class="tool-host-workspace__mount"></div>`
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- No `<section class="tool-host-pager">` remains in `index.html`.
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## Proof section.tool-host-pager Is Rendered Inside data-tool-host-mount-container
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- `main.js` creates pager in runtime mount content builder:
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- `tools/Workspace Manager/main.js:112` `function ensureWorkspaceMountContent() {`
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- `tools/Workspace Manager/main.js:117` checks for pager inside mount container
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- `tools/Workspace Manager/main.js:159` `mountedContent.append(pagerSection, runtimeMountContainer);`
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- `tools/Workspace Manager/main.js:160` `refs.mountContainer.replaceChildren(mountedContent);`
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## Proof Pager Appears Above Editors/Card Grid Inside Mounted Content
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- Pager is appended before editor/runtime surface in mounted content:
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- `tools/Workspace Manager/main.js:159` `mountedContent.append(pagerSection, runtimeMountContainer);`
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- Mounted layout ensures pager row above editor surface:
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- `tools/Workspace Manager/toolHost.css:35` `.tool-host-mounted-content {` (column layout)
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- `tools/Workspace Manager/toolHost.css:80` `.tool-host-pager {`
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- `tools/Workspace Manager/toolHost.css:44` `.tool-host-editors-surface {`
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- `tools/Workspace Manager/toolHost.css:111` tool/game iframes render inside `.tool-host-editors-surface`
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## Proof Pager Is Not Above Toolbox Aid Site Header/Chrome
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- `index.html` no longer renders pager directly in top-level shell markup.
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- Pager is generated only inside `data-tool-host-mount-container` via `ensureWorkspaceMountContent()`.
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## Proof First Available Tool Selected/Mounted On Load
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- First available fallback selection on load:
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- `tools/Workspace Manager/main.js:801` `const initialToolId = requestedToolId || (toolIds[0] || "");`
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- Selected tool is mounted during init:
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- `tools/Workspace Manager/main.js:833` `if (!mountSelectedTool("init")) {`
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## Proof Prev/Next Changes Selected/Mounted Tool
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- Prev wiring:
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- `tools/Workspace Manager/main.js:657` prev click handler
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- `tools/Workspace Manager/main.js:661` `mountSelectedTool("prev")`
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- Next wiring:
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- `tools/Workspace Manager/main.js:666` next click handler
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- `tools/Workspace Manager/main.js:670` `mountSelectedTool("next")`
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## Proof gameId || game Fallback Not Restored
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- Explicit `gameId` only:
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- `tools/Workspace Manager/main.js:364` `const gameId = (url.searchParams.get("gameId") || "").trim();`
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- Search checks:
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- `NOT_FOUND gameId || game`
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- `NOT_FOUND searchParams.get("game")`
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- `NOT_FOUND searchParams.get('game')`
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## Proof Samples Remain Untouched
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- Check result: `SAMPLES_UNCHANGED`
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- Based on `git diff --name-only -- samples`.
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## Anti-Pattern Self-Check
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- No duplicate pager rendered: PASS (single dynamic pager inside mount container)
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- No top-level pager sibling before mount container: PASS
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- No pager appended to `document.body`: PASS
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- No `gameId || game` fallback restored: PASS
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- No samples changes: PASS
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- Scope remained targeted to Workspace Manager index/main/CSS + validation report: PASS

‎docs/dev/reports/workspace_manager_mount_container_pager_validation.md‎

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# BUILD_PR_LEVEL_20_21_REPAIR_WORKSPACE_MOUNT_CONTAINER_PAGER Validation
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## Changed Files
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- `tools/Workspace Manager/main.js`
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- `tools/Workspace Manager/toolHost.css`
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- `docs/dev/reports/workspace_manager_mount_container_pager_validation.md`
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## Proof data-tool-host-mount-container Is Found
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- Shell mount container exists in host page:
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- `tools/Workspace Manager/index.html:17` `<div data-tool-host-mount-container class="tool-host-workspace__mount"></div>`
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- Runtime ref is resolved from DOM:
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- `tools/Workspace Manager/main.js:96` `mountContainer: document.querySelector("[data-tool-host-mount-container]")`
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## Proof Valid Game-Launched URL Mounts Selected Tool Content Into Container
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For `tools/Workspace Manager/index.html?gameId=Breakout&mount=game`:
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- Explicit `gameId` parsing:
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- `tools/Workspace Manager/main.js:300` `const gameId = (url.searchParams.get("gameId") || "").trim();`
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- `init()` computes first tool for game-launched context:
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- `tools/Workspace Manager/main.js:735` `const initialToolId = requestedToolId || (initialGameEntry && gameLaunchRequested ? (toolIds[0] || "") : "");`
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- `init()` mounts selected tool:
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- `tools/Workspace Manager/main.js:767` `if (!mountSelectedTool("init")) {`
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- Mount writes iframe into mount container:
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- `tools/shared/toolHostRuntime.js:169` `mountContainer.replaceChildren(frame);`
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## Proof First Available Tool Is Selected On Load
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- Game-launched selection uses first filtered tool id when no `tool` query is provided:
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- `tools/Workspace Manager/main.js:735` `... ? (toolIds[0] || "") : "")`
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## Proof First Available Tool Is Mounted On Load
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- Initial selection path calls mount:
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- `tools/Workspace Manager/main.js:767` `if (!mountSelectedTool("init")) {`
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- Mount path invokes runtime mount API:
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- `tools/Workspace Manager/main.js:547` `const mountResult = runtime.mountTool(toolId, {`
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## Proof Prev/Next Changes Current Label
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- Prev/Next handlers mount newly selected tool:
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- `tools/Workspace Manager/main.js:595` `mountSelectedTool("prev");`
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- `tools/Workspace Manager/main.js:604` `mountSelectedTool("next");`
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- Label updates on successful mount:
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- `tools/Workspace Manager/main.js:506` `setCurrentLabel(tool.displayName);`
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## Proof Prev/Next Remounts Selected Tool Into Mount Container
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- Prev/Next call `mountSelectedTool(...)` (lines above).
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- `mountSelectedTool` calls runtime mount:
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- `tools/Workspace Manager/main.js:547` `const mountResult = runtime.mountTool(toolId, {`
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- Runtime replaces container children with selected tool iframe:
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- `tools/shared/toolHostRuntime.js:169` `mountContainer.replaceChildren(frame);`
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## Proof Blank Mount Container Cannot Occur Silently
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Failure/empty states now render explicit diagnostic panel in mount container:
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- Diagnostic renderer:
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- `tools/Workspace Manager/main.js:196` `function renderMountDiagnostic(message, detail = "") {`
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- `tools/Workspace Manager/main.js:213` `refs.mountContainer.replaceChildren(panelNode);`
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- No selected tool:
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- `tools/Workspace Manager/main.js:520` `renderMountDiagnostic("No tool is selected for mount.", ...)`
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- No tools for game context:
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- `tools/Workspace Manager/main.js:654` `renderMountDiagnostic("No active tools are available for this game context.", ...)`
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- `tools/Workspace Manager/main.js:745` `renderMountDiagnostic("No active tools are available for this game context.", ...)`
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- Invalid/missing game context:
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- `tools/Workspace Manager/main.js:628`, `639`, `703`, `715`
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## Proof Visible Diagnostic Appears Inside Mount Container On Mount Failure
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- Synchronous mount failure path:
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- `tools/Workspace Manager/main.js:558` `if (!mountResult || !(mountResult.frame instanceof HTMLIFrameElement)) {`
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- `tools/Workspace Manager/main.js:562` `renderMountDiagnostic(`
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- Frame load failure path:
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- `tools/Workspace Manager/main.js:569` `mountResult.frame.addEventListener("error", () => {`
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- `tools/Workspace Manager/main.js:573` `renderMountDiagnostic(`
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- Diagnostic panel has visible styling in mount surface:
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- `tools/Workspace Manager/toolHost.css:35` `.tool-host-mount-diagnostic {`
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- `tools/Workspace Manager/toolHost.css:39` `border: 1px solid #a73a3a;`
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## Proof gameId || game Fallback Not Restored
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- Check result: `NOT_FOUND gameId || game`
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- Check result: `NOT_FOUND searchParams.get("game")`
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- Check result: `NOT_FOUND searchParams.get('game')`
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## Proof Samples Remain Untouched
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- Check result: `SAMPLES_UNCHANGED`
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- Based on `git diff --name-only -- samples` output.
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## Additional Layout Fix For Non-Blank Mount Surface
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- Host workspace now has explicit full-size dimensions to prevent mount-area collapse:
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- `tools/Workspace Manager/toolHost.css:14` `.tool-host-workspace {`
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- `tools/Workspace Manager/toolHost.css:15` `width: 100%;`
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- `tools/Workspace Manager/toolHost.css:16` `height: 100%;`
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## Anti-Pattern Self-Check
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- No `gameId || game` or legacy `game` fallback restored: PASS
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- No hidden fallback routing introduced: PASS
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- No stale memory reuse changes introduced: PASS
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- No dropdown + Select Tool + Mount workflow restored: PASS
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- No samples changes: PASS
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- No new header/banner or pager relocation: PASS
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- Scope remained targeted to requested files: PASS

‎docs/operations/dev/codex_commands.md‎

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# Codex Commands — BUILD_PR_LEVEL_20_20_ROLLBACK_WORKSPACE_HEADER_AND_ADD_TOOL_PAGER
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# Codex Commands — BUILD_PR_LEVEL_20_23_MOVE_TOOL_HOST_PAGER_INSIDE_MOUNT_CONTAINER
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## Model
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GPT-5.4 or GPT-5.3-codex
@@ -11,59 +11,62 @@ High
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```text
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Read docs/dev/codex_rules.md first.
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Execute BUILD_PR_LEVEL_20_20_ROLLBACK_WORKSPACE_HEADER_AND_ADD_TOOL_PAGER.
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Execute BUILD_PR_LEVEL_20_23_MOVE_TOOL_HOST_PAGER_INSIDE_MOUNT_CONTAINER.
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User UAT failure:
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- Current Workspace Manager page still has the unwanted header/banner/control area.
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- Only the site image is showing below it.
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- User wants this rolled back to the way Workspace Manager loaded before the failed header attempts.
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- Then add only [PREV] <toolname> [NEXT] above the tools/editors section.
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User correction:
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The tool-host-pager section must be moved out of the top-level Workspace Manager host shell and into:
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<div data-tool-host-mount-container class="tool-host-workspace__mount"></div>
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Rollback anchor:
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Find the commit with commit comment:
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Remove Workspace Manager default and query fallbacks
20+
Current wrong structure:
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<main class="tool-host-workspace">
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<section class="tool-host-pager">...</section>
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<div data-tool-host-mount-container class="tool-host-workspace__mount"></div>
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</main>
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This is the state after BUILD_PR_LEVEL_20_13_REMOVE_WORKSPACE_MANAGER_DEFAULT_AND_QUERY_FALLBACKS and before the failed 20_14 through 20_19 header/banner attempts.
26+
Required:
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<main class="tool-host-workspace">
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<div data-tool-host-mount-container class="tool-host-workspace__mount">
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...mounted Workspace Manager content...
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<section class="tool-host-pager">...</section>
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...Editors...
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</div>
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</main>
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Required steps:
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1. Inspect git history for Workspace Manager files.
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2. Restore only Workspace Manager files affected by 20_14 through 20_19 to the rollback anchor state.
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Likely files:
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- tools/Workspace Manager/main.js
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- tools/Workspace Manager/index.html
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- any Workspace Manager CSS touched by those PRs
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3. Do not rollback unrelated files.
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4. After restore, add exactly one centered pager directly above the existing tools/editors section:
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[PREV] <toolname> [NEXT]
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5. On page load, select the first available tool for the explicit gameId context.
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6. Mount/activate that selected tool.
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7. Prev/Next changes selected and mounted tool.
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8. Do not use dropdown + Select Tool + Mount workflow.
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9. Do not create or keep any new header/banner.
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Required changes:
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1. Remove top-level section.tool-host-pager from tools/Workspace Manager/index.html.
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2. Ensure main.js renders/creates the pager inside [data-tool-host-mount-container].
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3. Place pager above Editors/card grid inside mounted Workspace Manager content.
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4. Keep pager controls wired:
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- [PREV]
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- current tool name
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- [NEXT]
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- hidden select if needed by existing code
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5. On load, select/mount first available tool.
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6. Prev/Next changes selected/mounted tool.
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Still forbidden:
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- restore gameId || game
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- legacy game query fallback
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- hidden fallback routing
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- stale memory reuse
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Forbidden:
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- duplicate pager
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- top-level pager before mount container
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- appending pager to document.body
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- putting pager above site chrome/header
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- restoring gameId || game
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- changing samples
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- broad Workspace Manager refactor
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- start_of_day changes
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Validation:
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Create docs/dev/reports/workspace_manager_rollback_header_and_tool_pager_validation.md with:
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- rollback anchor commit hash and comment
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Create docs/dev/reports/tool_host_pager_inside_mount_container_validation.md with:
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- changed files
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- proof failed header/banner/control area removed
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- proof normal Workspace Manager content loads below site chrome
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- proof only [PREV] <toolname> [NEXT] was added
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- proof pager appears above existing tools/editors section
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- proof Workspace Manager index no longer has top-level section.tool-host-pager
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- proof section.tool-host-pager is rendered inside data-tool-host-mount-container
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- proof pager appears above Editors/card grid inside mounted content
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- proof pager is not above Toolbox Aid site header/chrome
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- proof first available tool selected/mounted on load
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- proof Prev/Next changes selected/mounted tool
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- proof gameId || game fallback not restored
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- proof samples remain untouched
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- anti-pattern self-check
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Return ZIP at:
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tmp/BUILD_PR_LEVEL_20_20_ROLLBACK_WORKSPACE_HEADER_AND_ADD_TOOL_PAGER.zip
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tmp/BUILD_PR_LEVEL_20_23_MOVE_TOOL_HOST_PAGER_INSIDE_MOUNT_CONTAINER.zip
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```

‎docs/operations/dev/commit_comment.txt‎

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@@ -1,8 +1,9 @@
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Rollback Workspace Manager header attempts and add tool pager
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Move tool host pager inside mount container
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PR Details:
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- Restores Workspace Manager layout from the pre-header/banner anchor.
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- Removes failed top Workspace Manager header/banner/control experiments.
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- Adds centered [PREV] <toolname> [NEXT] above the existing tools/editors section.
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- Selects and mounts the first available tool on load.
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- Keeps explicit gameId behavior without restoring legacy query fallback.
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- Removes top-level tool-host-pager from Workspace Manager host shell.
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- Renders the pager inside data-tool-host-mount-container.
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- Places pager above Editors inside mounted Workspace Manager content.
7+
- Keeps first available tool selected/mounted on load.
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- Keeps Prev/Next tool switching.
9+
- Does not restore legacy game query fallback.

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