# 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.