- Update README.md with admin system documentation
- Add admin setup instructions and role permissions
- Update API endpoint documentation with access requirements
- Update Bruno collection to reflect admin-only operations
- Document shared library concept and security model
- Add comprehensive admin setup guide
- Update README.md with interactive rating system details
- Document zero-rating behavior in GET /api/ebooks/:id/rating
- Add comprehensive rating system documentation section
- Update Bruno collection files to reflect new API behavior
- Enhance API testing documentation with rating 0 fallback
- Updated COMPLETE_DOCUMENTATION.md feature descriptions
- Updated user journey reference from 'ebook library' to 'ebook collection'
- Updated all frontend page titles and headers
- Updated Bruno API collection and workspace names
- All references now consistently use 'Bookmann' as the application name
- Backend: Add server-side validation with go-playground/validator/v10
- Frontend: Add toast notifications for API errors with @zerodevx/svelte-toast
- UI: Complete Tokyo Night theme redesign with modern animations
- Docs: Update COMPLETE_DOCUMENTATION.md and README.md with all enhancements
- Validation: Email format, password strength, and input sanitization
- UX: Real-time error feedback, loading states, and responsive design