WIP: storage-fix-local-nas work before playlist controls feature

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

app/Models/Playlist.php

@@ -43,13 +43,12 @@ class Playlist extends Model
     }
 
     // Accessors
-    public function getThumbnailUrlAttribute()
+    public function getThumbnailUrlAttribute(): string
     {
         if ($this->thumbnail) {
-            return asset('storage/thumbnails/'.$this->thumbnail);
+            return route('media.thumbnail', $this->thumbnail);
         }
 
-        // Generate a placeholder based on playlist name
         return 'https://ui-avatars.com/api/?name='.urlencode($this->name).'&background=random&size=200';
     }