🐛 Database Schema Fixes:
- Removed non-existent 'updated_at' column from collection_cards operations
- Fixed SQL queries in card ownership API and seeding scripts
- Resolved column does not exist errors
🚫 Hide System Collections from Selection:
- Added 'excludeSystem' parameter to /api/collections endpoint
- Updated CollectionSelectionModal to exclude system collections
- 'All My Cards' no longer appears in card addition modals
✨ Enhanced System Collection Styling:
- Upgraded system collection badge with gradient styling
- Added 🔒 SYSTEM badge with blue-purple gradient
- Added informative tooltip: 'Automatically syncs with your owned cards'
- Made system collections visually distinct and educational
🎯 User Experience Improvements:
- System collections are now clearly identified as special
- Users understand they can't manually add cards to system collections
- Better visual hierarchy and information architecture
- Automatic sync behavior is now clearly communicated
Card ownership should now work without errors! 🚀
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