- Added dedicated cover image upload field in create_album.php form
- Display current cover image preview when editing
- Drag-and-drop support for cover image with real-time preview
- Shows filename and file size after selection
- Updated save_album.php to handle cover image upload
- Updated update_album.php to handle cover image replacement
- Deletes old cover image when updating
- Cover image optional - first photo in album used as fallback
- Recommended cover dimensions: 500x500px or larger (square)
- File validation: max 5MB, supports JPG, PNG, GIF, WEBP
- All cover image changes included in transaction with rollback on error
5736757f19