avoid hang when creating room

server.ts

@@ -418,15 +418,8 @@ serve({
             }
           }
         } else {
-          // Default to full library
-          tracks = library.getAllTracks()
-            .filter(t => t.duration > 0)
-            .map(t => ({
-              id: t.id,
-              filename: t.filename,
-              title: t.title || t.filename.replace(/\.[^.]+$/, ""),
-              duration: t.duration,
-            }));
+          // Default to empty playlist
+          tracks = [];
         }
 
         const channelId = generateChannelId();