- Replaced Ant Design Card/Layout with V21-compliant components
- Updated Header, MainLayout to V21 sticky top navigation
- Redesigned WorkspaceList, ProjectAssets, ProjectResults, ProjectTitles, ProjectVoices, ProjectGeneration with V21 card/grid system
- Added V21 color scheme, typography, spacing, pill badges, vertical/video cards
- Updated Login page and Plans subscription page to V21 design
- CSS-only styling without Ant Design overrides where possible
CI Test