- Extract word type color logic into shared wordTypeColors.ts utility
- Update TokenTray to use centralized color utility
- Remove duplicate color logic from WordCard and SortableToken
- Add color legend to Layout header for better UX
- Simplify Znakopis page component
- Implemented Znakopis page with document and sentence CRUD operations
- Added backend routes for documents and sentences
- Created UI components for sentence editing and display
- Added sentence store for state management
- Integrated select component for document selection
- Updated README with Phase 3 completion status
- Removed obsolete fix-colors.md file
