Fix undefined playlist variable in receive_edited_media endpoint

- Initialize playlist variable to None to prevent UnboundLocalError
- Fixes crash when player has no assigned playlist
- Ensures graceful handling of all playlist assignment scenarios

app/blueprints/api.py

@@ -827,6 +827,7 @@ def receive_edited_media():
         db.session.add(edit_record)
         
         # Update playlist version to force player refresh
+        playlist = None
         if player.playlist_id:
             from app.models.playlist import Playlist
             playlist = db.session.get(Playlist, player.playlist_id)
@@ -847,7 +848,7 @@ def receive_edited_media():
             'version': version,
             'old_filename': old_filename,
             'new_filename': new_filename,
-            'new_playlist_version': playlist.version if player.playlist_id and playlist else None
+            'new_playlist_version': playlist.version if playlist else None
         }), 200
         
     except Exception as e: