# WBV2-P12-002: scene and object engine receipt

- task: WBV2-P12-002
- parent: WBV2-P12-001
- status: in_progress
- gap: workflow:scene_object_workflow_engine_receipt
- ownerFamily: EDITOR
- targetImplementationClass: LOCAL_EXACT

## 目标

Bind object visibility and transform edits to the compiled WebEngine WASM Main with save/reopen and revision guards.

## 输入与范围

- Scene fixture: `tests/files/web/generated/WBV2-P2-002-OBJECT.TRANSFORM_HIERARCHY.blend`
- Source oracle: `tests/golden/WBV2-P2-002/object-transform-report.json`
- Client: `web/app/src/engine-client/WebEngineClient.ts`

## 验收

- `npm --prefix web run test:e2e -- --workers=1 tests/e2e/wbv2-scene-object-production.spec.ts`
- `node tools/web/generate-wbv2-scene-object-receipt.mjs --write`
- `node tools/web/check-task-context.mjs --task WBV2-P12-002 --write`

Malformed, stale, locked, cycle, unsupported, non-Chromium, or non-exact save/reopen cases must keep in_progress and must not advance nextTask.

## 交付与回滚

- Reports: `tests/golden/WBV2-P12-002/`
- Status: `docs/status/WBV2-P12-002.md`
- Manifest: `tests/golden/WBV2-P12-002/manifest.json`
- Rollback: restore P12-001 as queue parent.