Update app.py

app.py

@@ -99,7 +99,7 @@ with chat_container:
             st.markdown(content)
 
 # User input stays at the bottom
-user_input = st.text_input("Type your message here:", "", key="user_input")
+user_input = st.text_input("Type your message here:", key="user_message")
 
 if user_input:
     save_message(session_id, "user", user_input)
@@ -112,10 +112,10 @@ if user_input:
     save_message(session_id, "assistant", response)
     st.session_state.messages.append(("assistant", response))
     
-    # Refresh the chat container but keep history sticky
+    # Refresh chat UI
     with chat_container:
         with st.chat_message("assistant"):
             st.markdown(response)
 
-    # Clear input field
-    st.session_state.user_input = ""
+    # Clear input field after message submission
+    st.session_state.pop("user_message")