modified: app.py

modified:   templates/quiz.html

app.py

@@ -244,7 +244,13 @@ def play_track():
         return {"error": "Missing device_id or track_uri"}, 400
     
     sp = get_spotify_client()
-    sp.start_playback(device_id=device_id, uris=[track_uri], position_ms=position_ms)
+    try:
+        sp.start_playback(device_id=device_id, uris=[track_uri], position_ms=position_ms)
+    except spotipy.exceptions.SpotifyException as e:
+        if "Device not found" in str(e):
+            # Spezieller Fehlercode, damit das Frontend weiß, dass es neu laden soll
+            return {"error": "device_not_found", "message": "Spotify-Player nicht gefunden. Die Seite wird neu geladen..."}, 409
+        return {"error": str(e)}, 500
     
     return {"success": True}