Add player media editing feature with versioning

- Added PlayerEdit model to track edited media history
- Created /api/player-edit-media endpoint for receiving edited files from players
- Implemented versioned storage: edited_media/<content_id>/<filename_vN.ext>
- Automatic playlist update when edited media is received
- Updated content.filename to reference versioned file in playlist
- Added 'Edited Media on the Player' card to player management page
- UI shows version history grouped by original file
- Each edit preserves previous versions in archive folder
- Includes dark mode support for new UI elements
- Documentation: PLAYER_EDIT_MEDIA_API.md

app/blueprints/players.py

@@ -315,6 +315,13 @@ def manage_player(player_id: int):
         .limit(20)\
         .all()
     
+    # Get edited media history from player
+    from app.models.player_edit import PlayerEdit
+    edited_media = PlayerEdit.query.filter_by(player_id=player_id)\
+        .order_by(PlayerEdit.created_at.desc())\
+        .limit(20)\
+        .all()
+    
     # Get player status
     status_info = get_player_status_info(player_id)
     
@@ -323,6 +330,7 @@ def manage_player(player_id: int):
                          playlists=playlists,
                          current_playlist=current_playlist,
                          recent_logs=recent_logs,
+                         edited_media=edited_media,
                          status_info=status_info)