- Added edit_on_player_enabled column to playlist_content table
- Updated playlist model to track edit enablement per content item
- Added UI checkbox on upload media page to enable/disable editing
- Added toggle column on manage playlist page for existing content
- Updated API endpoint to return edit_on_player_enabled flag to players
- Fixed docker-entrypoint.sh to use production config
- Supports PDF, Images, and PPTX content types
- Created 10 SVG icon files in app/static/icons/ (Feather Icons style)
- Updated base.html with SVG icons in navigation and dark mode toggle
- Updated dashboard.html with icons in stats cards and quick actions
- Updated content_list_new.html (playlist management) with SVG icons
- Updated upload_media.html with upload-related icons
- Updated manage_player.html with player management icons
- Icons use currentColor for automatic theme adaptation
- Removed emoji dependency for better Raspberry Pi compatibility
- Added ICON_INTEGRATION.md documentation
