Fix web voice mode; share VAD/segmenting

packages/app/src/contexts/voice-context.tsx

@@ -129,11 +129,11 @@ export function VoiceProvider({ children }: VoiceProviderProps) {
 
   // Update voice detection flags whenever they change
   useEffect(() => {
-    const session = realtimeSessionRef.current;
-    if (session?.client) {
-      // Note: voice detection updates need backend support before sending.
-    }
-  }, [realtimeAudio.isDetecting, realtimeAudio.isSpeaking]);
+    activeSession?.methods?.setVoiceDetectionFlags(
+      realtimeAudio.isDetecting,
+      realtimeAudio.isSpeaking
+    );
+  }, [activeSession?.methods, realtimeAudio.isDetecting, realtimeAudio.isSpeaking]);
 
   useEffect(() => {
     realtimeSessionRef.current = activeSession;
@@ -163,6 +163,7 @@ export function VoiceProvider({ children }: VoiceProviderProps) {
       try {
         realtimeSessionRef.current = session;
         setActiveServerId(serverId);
+        await session.audioPlayer?.warmup?.();
         await realtimeAudio.start();
         setIsVoiceMode(true);
         console.log("[Voice] Mode enabled");
@@ -195,6 +196,7 @@ export function VoiceProvider({ children }: VoiceProviderProps) {
       const session = realtimeSessionRef.current;
       session?.audioPlayer?.stop();
       await realtimeAudio.stop();
+      session?.methods?.setVoiceDetectionFlags(false, false);
       setIsVoiceMode(false);
       setActiveServerId(null);
       console.log("[Voice] Mode disabled");