fix: last version fix

app/Http/Controllers/MediaController.php

@@ -104,7 +104,14 @@ public function index(Request $request)
         $query->limit(max(1, (int) $request->input('count')));
     }
 
-    return response()->json($query->get());
+    $media = $query->get();
+
+    // Old app expects a non-null external_url; fall back to the playable url.
+    $media->each(function ($m) {
+        $m->external_url = $m->external_url ?: ($m->url ?? '');
+    });
+
+    return response()->json($media);
 }
 
 // Apply the category / subcategory / duration / tag / search filters shared by