- Install react-grid-layout@2.2.3 and react-resizable
- Create widget-registry.tsx with all 4 widget types, WIDGET_CONSTRAINTS, WidgetProps
- Create dashboard-api.ts with fetch/save layout and widget CRUD functions
- Create dashboard-store.ts (Zustand, NO persist — D-05) with edit mode and auto-save on exit
- Create DashboardGrid with react-grid-layout v2 Responsive, ResizeObserver width
- Create ClockWidget using Intl.DateTimeFormat (no manual UTC offsets)
- Create WidgetWrapper with drag handle and delete button in edit mode
- Create EditModeToggle (pencil/checkmark), WidgetCatalogModal (2x2 grid)
- Rewrite portal page.tsx as dashboard with grid, edit toggle, widget catalog
- Add ResizeObserver polyfill in test setup, CSS mock support in vitest config
- All 5 tests green (dashboard grid + clock widget)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add vitest, @testing-library/react, @testing-library/jest-dom, jsdom, @vitejs/plugin-react as dev deps
- Create vitest.config.ts with jsdom environment and @ path alias
- Create test setup file importing jest-dom/vitest matchers
- Add test scripts to apps/web and root package.json
- Add test task to turbo.json pipeline
schalli