Update agent.py

agent.py

@@ -214,9 +214,9 @@ def build_graph(provider: str = "google"):
     #builder.add_edge("tools", "assistant")
 
     builder = StateGraph(MessagesState)
-    #builder.add_node("retriever", retriever)
+    builder.add_node("retriever", retriever)
     builder.add_node("assistant", assistant)
-
+    
     # Retriever ist Start und Endpunkt
     builder.set_entry_point("retriever")
     builder.set_finish_point("retriever")