fix: Bug - In direct voice call the status is displayed as offline

Resolve direct-call participant join state and DM peer status across user identity aliases so call UI no longer shows participants as disconnected when they are in the call.

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

toju-app/src/app/domains/direct-call/application/services/direct-call.service.spec.ts

@@ -16,6 +16,7 @@ import {
 } from '../../../../infrastructure/mobile';
 import { initializeAppI18nForTests, provideAppI18nForTests } from '../../../../core/i18n/app-i18n.testing';
 import { ViewportService } from '../../../../core/platform';
+import { RealtimeSessionFacade } from '../../../../core/realtime';
 import {
   VoiceActivityService,
   VoiceConnectionFacade,
@@ -109,6 +110,47 @@ describe('DirectCallService', () => {
     expect(context.directMessages.createGroupConversation).not.toHaveBeenCalled();
   });
 
+  it('marks a remote join against the session participant alias stored locally', async () => {
+    const aliceForeign = createUser('alice-foreign', 'Alice');
+    const bobForeign = createUser('bob-foreign', 'Bob');
+    const bobHome = { ...bobForeign, id: 'bob-home', oderId: 'bob-home' };
+    const context = createServiceContext({ currentUser: aliceForeign, allUsers: [aliceForeign, bobForeign] });
+
+    context.directCallEvents.next({
+      type: 'direct-call',
+      directCall: {
+        action: 'ring',
+        callId: 'dm-alice-foreign--bob-foreign',
+        conversationId: 'dm-alice-foreign--bob-foreign',
+        createdAt: 10,
+        sender: toParticipant(bobForeign),
+        participantIds: ['alice-foreign', 'bob-foreign'],
+        participants: [toParticipant(aliceForeign), toParticipant(bobForeign)]
+      }
+    });
+
+    await vi.waitFor(() => expect(context.service.sessionById('dm-alice-foreign--bob-foreign')).not.toBeNull());
+
+    context.directCallEvents.next({
+      type: 'direct-call',
+      directCall: {
+        action: 'join',
+        callId: 'dm-alice-foreign--bob-foreign',
+        conversationId: 'dm-alice-foreign--bob-foreign',
+        createdAt: 10,
+        sender: toParticipant(bobHome),
+        participantIds: ['alice-foreign', 'bob-foreign'],
+        participants: [toParticipant(aliceForeign), toParticipant(bobForeign)]
+      }
+    });
+
+    await vi.waitFor(() => {
+      const session = context.service.sessionById('dm-alice-foreign--bob-foreign');
+
+      expect(session?.participants['bob-foreign']?.joined).toBe(true);
+    });
+  });
+
   it('answers an incoming call from the modal action', async () => {
     const context = createServiceContext({ currentUser: bob, allUsers: [alice, bob] });
 
@@ -573,9 +615,17 @@ function createServiceContext(options: ServiceContextOptions): ServiceContext {
       {
         provide: MobileMediaService,
         useValue: {
+          ensureVoiceCapturePermissions: vi.fn(async () => true),
           setSpeakerphoneEnabled: vi.fn(async () => undefined)
         }
       },
+      {
+        provide: RealtimeSessionFacade,
+        useValue: {
+          getClientInstanceId: vi.fn(() => 'test-client'),
+          requestVoiceClientTakeover: vi.fn()
+        }
+      },
       ...provideAppI18nForTests()
     ]
   });