test: update command test context with createdBy field

tests/unit/services/command.test.ts

@@ -6,7 +6,8 @@ describe('CommandService', () => {
     sender: '1234567890@s.whatsapp.net',
     groupId: 'group-id@g.us',
     message: '/tarea nueva Test task @user1 2025-12-31',
-    mentions: ['user1@s.whatsapp.net']
+    mentions: ['user1@s.whatsapp.net'],
+    createdBy: '1234567890@s.whatsapp.net' // Added to match new interface
   };
 
   test('should ignore non-tarea commands', async () => {