do not try to do the youtube questions

agent.py

@@ -25,6 +25,9 @@ class BasicAgent:
 
     def __call__(self, question: str, attachment_url=None) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
+        if "https://www.youtube.com/" in question:
+            # let's not waste LLM credits and surrender honourably
+            return "No answer (youtube integration not implemented yet)"
 
         prompt = question
         if attachment_url: