Update agent.py

agent.py

@@ -181,7 +181,7 @@ def build_graph(provider: str = "groq"):
     # Node
     def assistant(state: MessagesState):
         """Assistant node"""
-        return {"messages": [llm_with_tools.invoke(state["messages"])]}
+        return {"messages": [sys_msg] + [llm_with_tools.invoke(state["messages"])]}
     
     def retriever(state: MessagesState):
         """Retriever node"""