- Add section expansion state management with localStorage persistence
- Update section headers with chevron toggle controls
- Implement conditional task row rendering based on section state
- Add Expand All / Collapse All toolbar controls
- Add CSS styles for chevron rotation animation and section headers
- Add comprehensive tests for collapsible section behavior
- Fix Vite alias to resolve @hai/core to types-only module (avoids Node.js deps in browser bundle)
- Add tsconfig.app.json for client-side typecheck
- Fix server.ts return type annotation
- Update imports to use @hai/core (resolved via Vite alias)
- Add base project files needed for workspace