fix: Bug - User automatically leaves voice after short period of time

Ignore stale P2P self-disconnect voice-state echoes while this client actively owns voice, refresh noise-reduction input on re-join, and repair dual-signal E2E harness expectations.

Co-authored-by: Cursor <cursoragent@cursor.com>

toju-app/src/app/domains/voice-session/domain/logic/client-voice-session.rules.spec.ts

@@ -7,6 +7,7 @@ import type { VoiceState } from '../../../../shared-kernel';
 import {
   isLocalVoiceOwner,
   isVoiceOnAnotherClient,
+  shouldApplyRemoteVoiceStateToCurrentUser,
   shouldTransmitVoice
 } from './client-voice-session.rules';
 
@@ -51,4 +52,54 @@ describe('client-voice-session.rules', () => {
 
     expect(shouldTransmitVoice(voiceState, localClientInstanceId)).toBe(true);
   });
+
+  it('ignores stale self disconnect updates while this client actively owns voice', () => {
+    const voiceState: VoiceState = {
+      isConnected: true,
+      isMuted: false,
+      isDeafened: false,
+      isSpeaking: false,
+      roomId: 'vc-general',
+      serverId: 'server-1',
+      clientInstanceId: localClientInstanceId
+    };
+
+    expect(shouldApplyRemoteVoiceStateToCurrentUser(
+      voiceState,
+      { isConnected: false },
+      localClientInstanceId,
+      true
+    )).toBe(false);
+  });
+
+  it('applies self disconnect updates when this client is not actively transmitting', () => {
+    expect(shouldApplyRemoteVoiceStateToCurrentUser(
+      {
+        isConnected: true,
+        isMuted: false,
+        isDeafened: false,
+        isSpeaking: false,
+        clientInstanceId: localClientInstanceId
+      },
+      { isConnected: false },
+      localClientInstanceId,
+      false
+    )).toBe(true);
+  });
+
+  it('ignores self disconnect echoes during the join race before clientInstanceId is stored', () => {
+    expect(shouldApplyRemoteVoiceStateToCurrentUser(
+      {
+        isConnected: true,
+        isMuted: false,
+        isDeafened: false,
+        isSpeaking: false,
+        roomId: 'vc-general',
+        serverId: 'server-1'
+      },
+      { isConnected: false },
+      localClientInstanceId,
+      true
+    )).toBe(false);
+  });
 });

toju-app/src/app/domains/voice-session/domain/logic/client-voice-session.rules.ts

@@ -32,3 +32,29 @@ export function shouldTransmitVoice(
 
   return voiceState.clientInstanceId === clientInstanceId;
 }
+
+/** Ignore stale P2P disconnect echoes for the current user while this client actively owns voice. */
+export function shouldApplyRemoteVoiceStateToCurrentUser(
+  currentVoiceState: Pick<VoiceState, 'isConnected' | 'clientInstanceId'> | null | undefined,
+  incoming: Partial<VoiceState>,
+  localClientInstanceId: string,
+  isLocallyVoiceActive: boolean
+): boolean {
+  if (incoming.isConnected !== false) {
+    return true;
+  }
+
+  if (!isLocallyVoiceActive) {
+    return true;
+  }
+
+  if (isLocalVoiceOwner(currentVoiceState, localClientInstanceId)) {
+    return false;
+  }
+
+  if (!currentVoiceState?.clientInstanceId) {
+    return false;
+  }
+
+  return true;
+}