# WBV2-P11-001: Mesh topology operation family

- task: WBV2-P11-001
- parent: WBV2-P11-000
- status: in_progress
- gap: workflow:mesh_topology_operation_family
- ownerFamily: MESH
- targetImplementationClass: LOCAL_EXACT

## 目标

Execute merge, dissolve, extrude, inset, bevel, and loop-cut through the real compiled WebEngine WASM Main and preserve each result through save/reopen.

## 输入与范围

- Mesh fixture: `tests/files/web/generated/WBV2-P2-003-MESH.EDIT_CORE.blend`
- Desktop oracle: `tests/golden/WBV2-P2-003/mesh-edit-desktop-report.json`
- WASM source report: `tests/golden/WBV2-P2-003/mesh-edit-report.json`
- Client: `web/app/src/engine-client/WebEngineClient.ts`
- Test: `web/tests/e2e/wbv2-mesh-topology-production.spec.ts`

## 验收

- `npm --prefix web run test:e2e -- --workers=1 tests/e2e/wbv2-mesh-topology-production.spec.ts`
- `node tools/web/generate-wbv2-mesh-topology-receipt.mjs --write`
- `node tools/web/check-task-context.mjs --task WBV2-P11-001 --write`

Malformed or unsupported operation, invalid selection, stale revision, non-Chromium execution, non-exact save/reopen, or missing Main mutation must keep in_progress and must not advance nextTask.

## 交付与回滚

- Reports: `tests/golden/WBV2-P11-001/`
- Status: `docs/status/WBV2-P11-001.md`
- Manifest: `tests/golden/WBV2-P11-001/manifest.json`
- Rollback: restore P11-000 as queue parent without modifying P10 evidence.