Update agent.py

agent.py

@@ -320,7 +320,6 @@ def get_agent():
     _agent = _agent or create_agent()
     return _agent
 
-//
 def invoke_agent(message: str, thread_id: str = "default") -> str:
     """Invoke the agent with a user message and return its response text.
     thread_id: conversation thread identifier for memory isolation."""