make the ui faster

web/src/App.jsx

@@ -61,7 +61,7 @@ function App() {
   const handlePlay = async () => {
     try {
       await fetch(`${API_URL}/playback/play`, { method: 'POST' });
-      setPlaybackState('playing');
+      // State will update via WebSocket broadcast
     } catch (error) {
       console.error('Failed to play:', error);
     }
@@ -70,7 +70,7 @@ function App() {
   const handlePause = async () => {
     try {
       await fetch(`${API_URL}/playback/pause`, { method: 'POST' });
-      setPlaybackState('paused');
+      // State will update via WebSocket broadcast
     } catch (error) {
       console.error('Failed to pause:', error);
     }
@@ -91,7 +91,7 @@ function App() {
         headers: { 'Content-Type': 'application/json' },
         body: JSON.stringify({ volume: newVolume })
       });
-      setVolume(newVolume);
+      // Volume will update via WebSocket broadcast
     } catch (error) {
       console.error('Failed to set volume:', error);
     }