# W-018 Status

status: done
task: 定义 Blender 风格 UI 协议和上下文

## Evidence

- Protocol: `web/protocol/ui-schema.ts`
- Golden: `tests/golden/W-018/ui-schema.json`
- State includes versioned Workspace/Area/Region layout, active Editor,
  Blender mode, active object, selection, view layer, pinned data and revision.
- `reduceUICommand()` keeps UI revisions separate from EngineWorker revisions.

## Verification

```text
npm run typecheck  # passed
npm run lint       # passed
npm run build      # passed
npm run test:e2e   # 3 passed
```