Add human-led conversation learning loop

tests/conversation-automation.test.ts

@@ -648,7 +648,7 @@ describe('conversation automation', () => {
 
     await service.processPendingConversations();
 
-    expect(claims.markSent).toHaveBeenCalledWith('room-alice', 'in-1');
+    expect(claims.markSent).toHaveBeenCalledWith('room-alice', 'in-1', 'out-reply');
     expect(chat.sendChatMessage).not.toHaveBeenCalled();
   });