Update app.py

app.py

@@ -122,7 +122,7 @@ agent= AgentExecutor(agent=agent, tools=tools,memory=mem)
 # ──────────────────────────────
 def chat(message, history):
     try:
-        response = agent.run(message)
+        response = agent.invoke(message)
     except Exception as e:
         response = f"⚠️ 오류: {e}"
     history = history + [(message, response)]