cache agent

app.py

@@ -4,7 +4,11 @@ from streamlit_chat import message
 import os
 from agent import ReActAgent
 
-agent = ReActAgent()
+@st.cache_resource
+def get_agent():
+    return ReActAgent()
+
+agent = get_agent()
 
 #Streamlit app layout
 st.title("Bliff AI")