- Configure @vite-pwa/nuxt module with manifest and service worker
- Add PWA install banner component to login page
- Include app icons (192x192, 512x512) and favicon assets
- Update admin dashboard layout and remove backup section
- Add PWA-related API endpoints and utility scripts
- Replace group-based auth with user/board/admin tier system
- Add direct login functionality alongside OAuth
- Implement role-based middleware for route protection
- Create dashboard pages and admin API endpoints
- Add error handling page and improved user management
- Maintain backward compatibility with legacy role methods
