Advance deduplicated lighting capability coverage

docs/tasks/WBV2-P15-000.md

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+# WBV2-P15-000: lighting capability continuation root
+
+- task: WBV2-P15-000
+- parent: WBV2-P14-003
+- status: done
+- gap: workflow:authorize_lighting_capability_continuation
+- ownerFamily: PROGRAM
+- targetImplementationClass: LOCAL_BOUNDED
+
+## 目标
+
+Authorize a source-backed Lighting/Camera/World continuation. P15 reuses the 6900-entry coverage ledger and runs only one representative Chromium production slice for fields already exposed by the compiled WebEngine API.
+
+## 验收
+
+- `node tools/web/generate-wbv2-lights-root.mjs`
+- `node tools/web/check-execution-control-plane.mjs`
+- `node tools/web/check-v2-task-index.mjs`
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P15-000/`
+- Manifest: `tests/golden/WBV2-P15-000/manifest.json`
+- Rollback: restore P14-003 as queue parent without rewriting P14 evidence.

docs/tasks/WBV2-P15-001.md

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+# WBV2-P15-001: select_lighting_capability_batch
+
+- task: WBV2-P15-001
+- parent: WBV2-P15-000
+- status: in_progress
+- gap: capability:RENDER.LIGHTING_FIELDS
+- ownerFamily: PARITY
+- targetImplementationClass: LOCAL_BOUNDED
+
+## 目标
+
+Select one deterministic Camera, Light, and World field behavior batch from the existing source API and Chromium test.
+
+## 输入与范围
+
+- Focused source: `blender-5.2.0/source/blender/web_engine/web_engine_api.cpp`
+- Existing production test: `web/tests/e2e/lighting-field-roundtrip.spec.ts`
+- Inventory: `tests/golden/WBV2-P0-002/parity-map.json`
+- Production entrypoint: `node tools/web/generate-wbv2-lighting-selection.mjs --write`
+
+## 验收
+
+- source API and Chromium test hashes are bound
+- one behavior hash covers camera/light/world fields
+- representative slice is not promoted to full-family parity
+- malformed, hash-drift, unsupported, or false-completion input keeps in_progress
+- `node tools/web/check-task-context.mjs --task WBV2-P15-001 --write`
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P15-001/`
+- Status: `docs/status/WBV2-P15-001.md`
+- Manifest: `tests/golden/WBV2-P15-001/manifest.json`
+- Rollback: restore P15-000 as queue parent.

docs/tasks/WBV2-P15-002.md

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+# WBV2-P15-002: lighting_fields_engine_receipt
+
+- task: WBV2-P15-002
+- parent: WBV2-P15-001
+- status: in_progress
+- gap: capability:RENDER.LIGHTING_FIELDS
+- ownerFamily: RENDER
+- targetImplementationClass: LOCAL_EXACT
+
+## 目标
+
+Bind Camera, Light, and World edits, undo/redo, and exact save/reopen to the compiled WASM Main in Chromium.
+
+## 输入与范围
+
+- Focused source: `tests/golden/WBV2-P15-001/lighting-selection-report.json`
+- Production test: `web/tests/e2e/wbv2-lighting-fields-production.spec.ts`
+- Production entrypoint: `npm --prefix web run test:e2e -- --workers=1 tests/e2e/wbv2-lighting-fields-production.spec.ts`
+
+## 验收
+
+- camera/light/world fields match the bounded expected values
+- undo/redo revisions are sequential
+- save/reopen is exact
+- malformed values fail closed without Main mutation
+- Chromium is the only browser
+- `node tools/web/check-task-context.mjs --task WBV2-P15-002 --write`
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P15-002/`
+- Status: `docs/status/WBV2-P15-002.md`
+- Manifest: `tests/golden/WBV2-P15-002/manifest.json`
+- Rollback: restore P15-001 as queue parent.

docs/tasks/WBV2-P15-003.md

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+# WBV2-P15-003: close_lighting_capability_gate
+
+- task: WBV2-P15-003
+- parent: WBV2-P15-002
+- status: in_progress
+- gap: workflow:close_lighting_capability_gate
+- ownerFamily: RELEASE
+- targetImplementationClass: LOCAL_BOUNDED
+
+## 目标
+
+Close the Lighting capability gate while preserving partial-family and 6900-entry limitations.
+
+## 输入与范围
+
+- Focused receipt: `tests/golden/WBV2-P15-002/lighting-fields-receipt-report.json`
+- Coverage matrix: `tests/golden/WBV2-P14-002/capability-evidence-matrix.json`
+- Production entrypoint: `node tools/web/generate-wbv2-lighting-gate.mjs --write`
+
+## 验收
+
+- only the tested lighting slice is claimed
+- pending inventory remains 6618
+- duplicate validation remains zero
+- historical reproduction remains false
+- malformed, hash-drift, or unsupported evidence keeps the gate in_progress
+- `node tools/web/check-task-context.mjs --task WBV2-P15-003 --write`
+
+## 交付与回滚
+
+- Reports: `tests/golden/WBV2-P15-003/`
+- Status: `docs/status/WBV2-P15-003.md`
+- Manifest: `tests/golden/WBV2-P15-003/manifest.json`
+- Rollback: restore P15-002 as queue parent.