Update app.py

app.py

@@ -145,3 +145,12 @@ def custom_auth():
     logger.info("Custom auth token generated.")
     print("teeeeeee", token)
     return JSONResponse({"token": token})
+
+@cl.on_chat_start
+def on_chat_start():
+    cl.user_session.set(
+        "message_history",
+        [{"role": "system", "content": "You are a helpful assistant."}],
+    )
+    await cl.Message(content="Connected to Chainlit!").send()
+    logger.info("Chat started with Chainlit.")