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/models/player_edit.py

@@ -24,8 +24,8 @@ class PlayerEdit(db.Model):
     __tablename__ = 'player_edit'
     
     id = db.Column(db.Integer, primary_key=True)
-    player_id = db.Column(db.Integer, db.ForeignKey('player.id'), nullable=False, index=True)
-    content_id = db.Column(db.Integer, db.ForeignKey('content.id'), nullable=False, index=True)
+    player_id = db.Column(db.Integer, db.ForeignKey('player.id', ondelete='CASCADE'), nullable=False, index=True)
+    content_id = db.Column(db.Integer, db.ForeignKey('content.id', ondelete='CASCADE'), nullable=False, index=True)
     original_name = db.Column(db.String(255), nullable=False)
     new_name = db.Column(db.String(255), nullable=False)
     version = db.Column(db.Integer, default=1, nullable=False)
@@ -36,8 +36,8 @@ class PlayerEdit(db.Model):
     created_at = db.Column(db.DateTime, default=datetime.utcnow, nullable=False, index=True)
     
     # Relationships
-    player = db.relationship('Player', backref=db.backref('edits', lazy='dynamic'))
-    content = db.relationship('Content', backref=db.backref('edits', lazy='dynamic'))
+    player = db.relationship('Player', backref=db.backref('edits', lazy='dynamic', cascade='all, delete-orphan'))
+    content = db.relationship('Content', backref=db.backref('edits', lazy='dynamic', cascade='all, delete-orphan'))
     
     def __repr__(self) -> str:
         """String representation of PlayerEdit."""