Update app.py

app.py

@@ -246,6 +246,8 @@ if st.session_state.submit_clicked and st.session_state.last_query:
             st.session_state.last_answer = {"answer_with_rag": f"Error processing query: {str(e)}", "citations": ""}
     # Reset debouncing after processing
     st.session_state.is_processing = False
+    # Force a rerun so that buttons are re-rendered in enabled state and the answer is re-displayed
+    st.experimental_rerun()
 
 # Display the answer if available
 if st.session_state.last_answer is not None: