thread id on the top of the chat

app.py

@@ -36,7 +36,6 @@ if st.sidebar.button("Start Chat"):
         )
         st.session_state.thread_id = thread.id
 
-    st.caption(f"**Thread ID**: {st.session_state.thread_id}")
     st.session_state.messages = client.beta.threads.messages.list(
         thread_id=st.session_state.thread_id
     )
@@ -50,6 +49,7 @@ if st.sidebar.button("Start Chat"):
 
 if st.session_state.start_chat:
 
+    st.caption(f"**Thread ID**: {st.session_state.thread_id}")
     for message in reversed(st.session_state.messages.data):
         with st.chat_message(message.role):
             st.markdown(message.content[0].text.value)