fix: suppress redundant reconnect sounds and broadcasts during active voice

packages/server/src/ws/events.ts

@@ -384,6 +384,23 @@ function handleVoiceJoin(event: Record<string, unknown>, userId: string): void {
     return;
   }
 
+  // If the user is already in this exact channel (e.g. WS reconnect re-registration),
+  // skip the leave+join broadcast to avoid visual flicker for other users.
+  const currentChannel = connectionManager.getUserVoiceChannel(userId);
+  if (currentChannel === channelId) {
+    const status = connectionManager.getVoiceUserStatus(userId);
+    if (status) {
+      connectionManager.sendToServer(serverId, {
+        type: 'voice_status_update',
+        userId,
+        channelId,
+        isMuted: status.isMuted,
+        isDeafened: status.isDeafened,
+      });
+    }
+    return;
+  }
+
   // Leave any current voice channel
   const previousChannel = connectionManager.leaveAllVoice(userId);
   if (previousChannel) {

packages/web/src/components/voice/SoundController.tsx

@@ -24,12 +24,15 @@ export function SoundController() {
   const incomingCallLoop = useRef<AudioBufferSourceNode | null>(null);
   const outgoingCallLoop = useRef<AudioBufferSourceNode | null>(null);
 
-  // WebSocket Reconnect Sound
+  // WebSocket Reconnect Sound — suppress during active voice (LiveKit handles its own reconnection)
   useEffect(() => {
     if (isInitialMount.current) return;
     if (isWsConnected && !prevIsWsConnected.current) {
+      const isInActiveVoice = useVoiceStore.getState().isLiveKitConnected;
+      if (!isInActiveVoice) {
         audioManager.playSound('reconnect');
       }
+    }
     prevIsWsConnected.current = isWsConnected;
   }, [isWsConnected, audioManager]);