Phase 16 validation sweep and stabilization

Author: DavidQ

docs/dev/CODEX_COMMANDS.md

@@ -1,3 +1,3 @@
 MODEL: GPT-5.3-codex
 REASONING: high
-COMMAND: Execute BUILD_PR_LEVEL_17_22_PHASE16_3D_DEBUG_AND_ROADMAP_REBASELINE as status-only roadmap normalization. Package to <project folder>/tmp/BUILD_PR_LEVEL_17_22_PHASE16_3D_DEBUG_AND_ROADMAP_REBASELINE.zip
+COMMAND: Execute BUILD_PR_LEVEL_17_23_PHASE16_VALIDATION_SWEEP, validate Phase 16, fix minimal issues, package results to <project folder>/tmp/BUILD_PR_LEVEL_17_23_PHASE16_VALIDATION_SWEEP.zip

docs/dev/COMMIT_COMMENT.txt

@@ -1 +1 @@
-Rebaseline roadmap after Track H completion
+Phase 16 validation sweep and stabilization

docs/dev/reports/BUILD_PR_LEVEL_17_23_PHASE16_VALIDATION_SWEEP_report.md

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+# BUILD_PR_LEVEL_17_23_PHASE16_VALIDATION_SWEEP Report
+
+## Scope
+- Phase 16 runtime validation sweep
+- Track H 3D debug panel regression validation
+- Minimal-fix rule: apply code changes only if failures indicate product regressions
+
+## Validation Commands
+- `node --input-type=module -e "import path from 'node:path'; import { registerHooks } from 'node:module'; import { pathToFileURL } from 'node:url'; const repoRoot=process.cwd(); const ROOT_ALIASES=['/src/','/games/','/tools/','/samples/']; registerHooks({ resolve(specifier, context, nextResolve) { if (ROOT_ALIASES.some((prefix)=>specifier.startsWith(prefix))) { const resolved = pathToFileURL(path.join(repoRoot, specifier.slice(1))).href; return nextResolve(resolved, context); } return nextResolve(specifier, context); } }); const { run } = await import('./tests/runtime/Phase16VisibilitySanity.test.mjs'); await run(); console.log('PASS Phase16VisibilitySanity');"`
+- `node --input-type=module -e "import { run } from './tests/tools/TransformInspectorDebugPanel.test.mjs'; await run(); console.log('PASS TransformInspectorDebugPanel');"`
+- `node --input-type=module -e "import { run } from './tests/tools/CameraDebugPanel.test.mjs'; await run(); console.log('PASS CameraDebugPanel');"`
+- `node --input-type=module -e "import { run } from './tests/tools/RenderPipelineStagesDebugPanel.test.mjs'; await run(); console.log('PASS RenderPipelineStagesDebugPanel');"`
+- `node --input-type=module -e "import { run } from './tests/tools/CollisionOverlaysDebugPanel.test.mjs'; await run(); console.log('PASS CollisionOverlaysDebugPanel');"`
+- `node --input-type=module -e "import { run } from './tests/tools/SceneGraphInspectorDebugPanel.test.mjs'; await run(); console.log('PASS SceneGraphInspectorDebugPanel');"`
+
+## Results
+- PASS `Phase16VisibilitySanity`
+- PASS `TransformInspectorDebugPanel`
+- PASS `CameraDebugPanel`
+- PASS `RenderPipelineStagesDebugPanel`
+- PASS `CollisionOverlaysDebugPanel`
+- PASS `SceneGraphInspectorDebugPanel`
+
+## Minimal Fix Assessment
+- No Phase 16 product regressions were detected.
+- No source code fixes were required for this sweep.
+- One execution detail was required: the Phase 16 runtime test depends on the repo alias resolver for `/src`, `/samples`, `/tools`, and `/games` imports, so the test was executed with the same hook strategy used by the repo test runner.

docs/dev/reports/validation_checklist.txt

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-- [ ] roadmap statuses consistent
-- [ ] no unintended edits
-- [ ] Track H marked correctly
+- [ ] all panels render
+- [ ] no console errors
+- [ ] tests pass
+- [ ] roadmap consistent

docs/pr/BUILD_PR_LEVEL_17_23_PHASE16_VALIDATION_SWEEP.md

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+# BUILD_PR_LEVEL_17_23_PHASE16_VALIDATION_SWEEP
+
+Implement:
+- run full validation suite
+- fix minimal issues if found
+- produce validation reports
+
+Constraints:
+- no feature work
+- minimal fixes only

docs/pr/PLAN_PR_LEVEL_17_23_PHASE16_VALIDATION_SWEEP.md

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+# PLAN_PR_LEVEL_17_23_PHASE16_VALIDATION_SWEEP
+
+Purpose:
+Perform a full validation sweep of Phase 16 after roadmap rebaseline.
+
+Scope:
+- validate all 3D debug panels
+- confirm no regressions
+- finalize readiness