- Implement notes database schema and API endpoints
- Add notes page with filtering, search, and markdown support
- Persist selected goal and task preferences for better UX
- Include responsive design and mobile-friendly layout
- Flask backend with TinyDB database
- Multi-user auth with bcrypt password hashing
- Goal CRUD with activation/deactivation and per-user limits
- Task CRUD with status tracking (todo/doing/pending/done)
- Focus rule: one doing task per goal
- Time picker-style scroll view with drag-and-drop reordering
- Admin panel for user management
- uv environment management