Update agents.py

agents.py

@@ -13,7 +13,6 @@ from langchain_community.vectorstores import SupabaseVectorStore
 
 from langchain_core.messages import SystemMessage, HumanMessage
 from langchain_core.tools import tool
-from langchain.tools.retriever import create_retriever_tool
 
 from supabase.client import create_client, Client
 
@@ -129,8 +128,7 @@ def create_agent_flow(provider: str = "groq"):
     graph = StateGraph(MessagesState)
     graph.add_node("assistant", assistant_node)
     graph.add_node("tools", ToolNode(toolset))
-    graph.add_edge(START, "retriever")
-    graph.add_edge("retriever", "assistant")
+    graph.add_edge(START, "assistant")
     graph.add_conditional_edges("assistant", tools_condition)
     graph.add_edge("tools", "assistant")