Add comprehensive edited media management with expandable cards UI

- Optimized delete modal for light/dark modes with modern gradients
- Added edit_count tracking to media library with warnings in delete confirmation
- Enhanced PlayerEdit model with CASCADE delete on foreign keys
- Improved player management page to show latest 3 edited files with image previews
- Created new edited_media route and template with full version history
- Implemented horizontal expandable cards with two-column layout
- Added interactive version selection with thumbnail grid
- Included original file in versions list with source badge
- Fixed deletion workflow to clean up PlayerEdit records and edited_media folders
- Enhanced UI with smooth animations, hover effects, and dark mode support

app/blueprints/admin.py

@@ -426,6 +426,16 @@ def delete_leftover_images():
                     if os.path.exists(file_path):
                         os.remove(file_path)
                 
+                # Delete edited media archive folder if it exists
+                import shutil
+                edited_media_dir = os.path.join(current_app.config['UPLOAD_FOLDER'], 'edited_media', str(content.id))
+                if os.path.exists(edited_media_dir):
+                    shutil.rmtree(edited_media_dir)
+                
+                # Delete associated player edit records first
+                from app.models.player_edit import PlayerEdit
+                PlayerEdit.query.filter_by(content_id=content.id).delete()
+                
                 # Delete database record
                 db.session.delete(content)
                 deleted_count += 1
@@ -472,6 +482,16 @@ def delete_leftover_videos():
                     if os.path.exists(file_path):
                         os.remove(file_path)
                 
+                # Delete edited media archive folder if it exists
+                import shutil
+                edited_media_dir = os.path.join(current_app.config['UPLOAD_FOLDER'], 'edited_media', str(content.id))
+                if os.path.exists(edited_media_dir):
+                    shutil.rmtree(edited_media_dir)
+                
+                # Delete associated player edit records first
+                from app.models.player_edit import PlayerEdit
+                PlayerEdit.query.filter_by(content_id=content.id).delete()
+                
                 # Delete database record
                 db.session.delete(content)
                 deleted_count += 1
@@ -505,6 +525,16 @@ def delete_single_leftover(content_id):
             if os.path.exists(file_path):
                 os.remove(file_path)
         
+        # Delete edited media archive folder if it exists
+        import shutil
+        edited_media_dir = os.path.join(current_app.config['UPLOAD_FOLDER'], 'edited_media', str(content.id))
+        if os.path.exists(edited_media_dir):
+            shutil.rmtree(edited_media_dir)
+        
+        # Delete associated player edit records first
+        from app.models.player_edit import PlayerEdit
+        PlayerEdit.query.filter_by(content_id=content.id).delete()
+        
         # Delete database record
         db.session.delete(content)
         db.session.commit()