- Move test-only write-count, mock-handle, and saved-open globals under window.openPencil.test
- Keep external Tauri and Vite injected globals separate from app-owned browser bridge hooks
- Validate check plus autosave and chat E2E coverage
- Rename window-api to browser-bridge to describe the app-to-browser test hook boundary
- Rename the chat transport hook to exposeChatTransportOverride and window.openPencil.setChatTransport
- Route browser globals through src/app/window-api.ts instead of private __OPEN_PENCIL fields
- Move E2E tests to the public window.openPencil test API
- Add an oxlint rule banning direct window.__OPEN_PENCIL* access
- Configure oxfmt custom import groups for workspace, app, package, and test aliases
- Keep type imports grouped with their matching source category instead of one global tail group
- Expand the format script to cover formatter config, Vite files, and scripts
- Move top-level engine and e2e prefixed test files under domain folders
- Update fixture path helpers after moving render and pen tests
- Add lint coverage to prevent new top-level prefixed test files
- Refresh testing docs for the new fig and layout paths
