fix

langchain_agent.py

@@ -23,7 +23,7 @@ class LangChainAgent:
         llm = ChatGoogleGenerativeAI(
             model=constants.MODEL,
             api_key=constants.API_KEY, 
-            temperature=0.1,
+            temperature=0.0,
             timeout=20)
 
         tools = [
@@ -46,7 +46,11 @@ class LangChainAgent:
         ])
 
         agent = create_tool_calling_agent(llm, tools, prompt=prompt)
-        self.executor = AgentExecutor(agent=agent, tools=tools, verbose=True)
+        self.executor = AgentExecutor(
+            agent=agent, 
+            tools=tools, 
+            verbose=True,
+            max_iterations=3)
 
     def __call__(self, question: str) -> str:
         print(f"LangChain agent received: {question[:50]}...")