fix: Bug - Users doesn't receive dm messages

Match direct messages against every local identity alias (home id and provisioned signal-server actor ids) so recipients accept traffic addressed to their per-server presence id instead of silently dropping it.

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

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

@@ -4,6 +4,7 @@ import {
   createGroupConversation,
   directMessageEventIncludesUser,
   directMessageSyncIncludesUser,
+  directMessageConversationIncludesUser,
   createDirectCallStartedMessage,
   getDirectConversationId,
   isGroupDirectConversation,
@@ -137,6 +138,32 @@ describe('DirectMessageService domain flow', () => {
     expect(directMessageEventIncludesUser(payload, 'charlie')).toBe(false);
   });
 
+  it('recognises direct-message recipients across identity aliases', () => {
+    const payload = {
+      message: createMessage('message-1', 'SENT', getDirectConversationId('alice', 'bob-foreign'), ['bob-foreign']),
+      participants: [alice, { ...bob, userId: 'bob-foreign' }],
+      sender: alice
+    };
+    const bobIds = new Set(['bob', 'bob-foreign']);
+
+    expect(directMessageEventIncludesUser(payload, bobIds)).toBe(true);
+    expect(directMessageEventIncludesUser(payload, 'bob')).toBe(false);
+  });
+
+  it('recognises conversation participants across identity aliases', () => {
+    const conversation = {
+      ...createDirectConversation(alice, bob, 10),
+      participants: ['alice', 'bob-foreign'],
+      participantProfiles: {
+        alice,
+        'bob-foreign': { ...bob, userId: 'bob-foreign' }
+      }
+    };
+
+    expect(directMessageConversationIncludesUser(conversation, new Set(['bob', 'bob-foreign']))).toBe(true);
+    expect(directMessageConversationIncludesUser(conversation, 'bob')).toBe(false);
+  });
+
   it('recognises only declared sync participants', () => {
     const payload = {
       conversationId: 'dm-group-test',