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Merge pull request #212 from ToolboxAid/PR_26177_004-shared-color-foundation
PR_26177_004-shared-color-foundation
2 parents 4b6c85f + 87e1e11 commit c4d0885

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docs_build/dev/BUILD_PR.md

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# PR_26177_003-shared-geometry-foundation
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# PR_26177_004-shared-color-foundation
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## Purpose
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Add a small shared geometry foundation.
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Add a small shared color foundation.
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## Source Of Truth
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This `BUILD_PR.md`, `PLAN_PR.md`, and the user request are the source of truth for `PR_26177_003-shared-geometry-foundation`.
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This `BUILD_PR.md`, `PLAN_PR.md`, and the user request are the source of truth for `PR_26177_004-shared-color-foundation`.
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## Stack
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- Base branch: `PR_26177_002-shared-noise-foundation`
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- Base branch: `PR_26177_003-shared-geometry-foundation`
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## Exact Scope
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- Add `src/shared/geometry/` foundation.
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- Include small reusable primitives/helpers such as vectors, rectangles, bounds, distance, clamp/intersection basics.
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- Add targeted tests for the shared geometry area.
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- No engine refactor.
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- Add `src/shared/color/` foundation.
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- Include hex/rgb/hsl conversion, clamp, lerp/blend helpers, luminance/contrast basics.
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- Add targeted tests for the shared color area.
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- No page styling changes.
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- Create required Codex reports under `docs_build/dev/reports/`.
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- Create repo-structured delta ZIP under `tmp/`.
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## Exact Targets
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- `docs_build/dev/PLAN_PR.md`
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- `docs_build/dev/BUILD_PR.md`
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- `src/shared/geometry/geometry.js`
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- `tests/shared/GeometryFoundation.test.mjs`
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- `docs_build/dev/reports/PR_26177_003-shared-geometry-foundation.md`
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- `docs_build/dev/reports/PR_26177_003-shared-geometry-foundation_branch-validation.md`
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- `docs_build/dev/reports/PR_26177_003-shared-geometry-foundation_requirement-checklist.md`
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- `docs_build/dev/reports/PR_26177_003-shared-geometry-foundation_validation-lane.md`
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- `docs_build/dev/reports/PR_26177_003-shared-geometry-foundation_manual-validation-notes.md`
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- `src/shared/color/color.js`
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- `tests/shared/ColorFoundation.test.mjs`
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- `docs_build/dev/reports/PR_26177_004-shared-color-foundation.md`
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- `docs_build/dev/reports/PR_26177_004-shared-color-foundation_branch-validation.md`
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- `docs_build/dev/reports/PR_26177_004-shared-color-foundation_requirement-checklist.md`
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- `docs_build/dev/reports/PR_26177_004-shared-color-foundation_validation-lane.md`
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- `docs_build/dev/reports/PR_26177_004-shared-color-foundation_manual-validation-notes.md`
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- `docs_build/dev/reports/codex_review.diff`
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- `docs_build/dev/reports/codex_changed_files.txt`
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## Out Of Scope
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- No engine refactor.
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- No page styling changes.
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- No browser-owned product data.
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- No runtime UI changes.
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- No browser storage changes.
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Run exactly:
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```powershell
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node ./scripts/run-node-test-files.mjs tests/shared/GeometryFoundation.test.mjs
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node --check src/shared/geometry/geometry.js
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node --check tests/shared/GeometryFoundation.test.mjs
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node ./scripts/run-node-test-files.mjs tests/shared/ColorFoundation.test.mjs
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node --check src/shared/color/color.js
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node --check tests/shared/ColorFoundation.test.mjs
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git diff --check
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```
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Create repo-structured delta ZIP:
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```text
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tmp/PR_26177_003-shared-geometry-foundation_delta.zip
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tmp/PR_26177_004-shared-color-foundation_delta.zip
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```

docs_build/dev/PLAN_PR.md

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# PLAN_PR: PR_26177_003-shared-geometry-foundation
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# PLAN_PR: PR_26177_004-shared-color-foundation
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## Purpose
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Add a small shared geometry foundation.
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Add a small shared color foundation.
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## Scope
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- Add `src/shared/geometry/` foundation.
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- Include reusable primitives/helpers for vectors, rectangles, bounds, distance, clamp, containment, and intersection basics.
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- Add `src/shared/color/` foundation.
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- Include hex/rgb/hsl conversion helpers.
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- Include clamp, lerp/blend helpers, luminance, and contrast basics.
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- Add targeted tests.
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- No engine refactor.
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- No page styling changes.
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- No browser-owned product data.
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- No runtime UI changes.
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- No unrelated cleanup.
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## Implementation Plan
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1. Add `src/shared/geometry/geometry.js`.
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2. Add `tests/shared/GeometryFoundation.test.mjs`.
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3. Validate vector, rectangle, bounds, distance, clamp, containment, and intersection behavior.
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1. Add `src/shared/color/color.js`.
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2. Add `tests/shared/ColorFoundation.test.mjs`.
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3. Validate conversion, blending, luminance, and contrast helpers.
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4. Produce required Codex reports and repo-structured ZIP.
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# PR_26177_004-shared-color-foundation
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Date: 2026-06-26
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Scope: Shared color foundation
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Status: PASS
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## Summary
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- Added `src/shared/color/color.js`.
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- Added hex/rgb/hsl conversion, clamp, lerp/blend, luminance, and contrast helpers.
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- Added targeted tests in `tests/shared/ColorFoundation.test.mjs`.
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- No page styling, runtime UI, API, database, or unrelated cleanup changes were made.
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## Validation
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- PASS: `node ./scripts/run-node-test-files.mjs tests/shared/ColorFoundation.test.mjs`.
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- PASS: `node --check src/shared/color/color.js`.
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- PASS: `node --check tests/shared/ColorFoundation.test.mjs`.
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- PASS: `git diff --check`.
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## Artifact
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- `tmp/PR_26177_004-shared-color-foundation_delta.zip`
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# PR_26177_004-shared-color-foundation Branch Validation
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Status: PASS
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- PASS: Branch `PR_26177_004-shared-color-foundation` was created from `PR_26177_003-shared-geometry-foundation`.
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- PASS: Stack base was clean before branch creation.
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- PASS: One PR purpose only: shared color foundation.
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- PASS: No `start_of_day` files changed.
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# PR_26177_004-shared-color-foundation Manual Validation Notes
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Status: PASS
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Manual review confirmed this PR only adds shared color helpers and targeted tests. It does not change page styling, runtime UI, browser product-data ownership, API, or database behavior.
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# PR_26177_004-shared-color-foundation Requirement Checklist
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| Requirement | Status | Notes |
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|---|---:|---|
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| Add `src/shared/color/` foundation | PASS | Added `src/shared/color/color.js`. |
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| Include hex/rgb/hsl conversion | PASS | Added conversion helpers. |
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| Include clamp helpers | PASS | Added `clamp01` and `clampByte`. |
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| Include lerp/blend helpers | PASS | Added `lerpColor` and `blendColors`. |
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| Include luminance/contrast basics | PASS | Added relative luminance and contrast ratio helpers. |
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| No page styling changes | PASS | No CSS or page styling files changed. |
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| Add targeted tests | PASS | Added `tests/shared/ColorFoundation.test.mjs`. |
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# PR_26177_004-shared-color-foundation Validation Lane
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Status: PASS
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## Commands
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```powershell
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node ./scripts/run-node-test-files.mjs tests/shared/ColorFoundation.test.mjs
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node --check src/shared/color/color.js
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node --check tests/shared/ColorFoundation.test.mjs
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git diff --check
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```
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## Results
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- PASS: Targeted color foundation test.
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- PASS: Changed JS syntax checks.
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- PASS: `git diff --check`.
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## Not Run
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- Full samples smoke was not run by default.
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docs_build/dev/BUILD_PR.md
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docs_build/dev/PLAN_PR.md
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docs_build/dev/reports/PR_26177_003-shared-geometry-foundation.md
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docs_build/dev/reports/PR_26177_003-shared-geometry-foundation_branch-validation.md
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docs_build/dev/reports/PR_26177_003-shared-geometry-foundation_manual-validation-notes.md
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docs_build/dev/reports/PR_26177_003-shared-geometry-foundation_requirement-checklist.md
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docs_build/dev/reports/PR_26177_003-shared-geometry-foundation_validation-lane.md
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docs_build/dev/reports/PR_26177_004-shared-color-foundation.md
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docs_build/dev/reports/PR_26177_004-shared-color-foundation_branch-validation.md
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docs_build/dev/reports/PR_26177_004-shared-color-foundation_manual-validation-notes.md
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docs_build/dev/reports/PR_26177_004-shared-color-foundation_requirement-checklist.md
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docs_build/dev/reports/PR_26177_004-shared-color-foundation_validation-lane.md
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docs_build/dev/reports/codex_changed_files.txt
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docs_build/dev/reports/codex_review.diff
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src/shared/geometry/geometry.js
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tests/shared/GeometryFoundation.test.mjs
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src/shared/color/color.js
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tests/shared/ColorFoundation.test.mjs

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