reverted it back to JSON response

app.py

@@ -1,10 +1,14 @@
 import streamlit as st
-from chatbot import process_query
+from chatbot import process_query  # Import your chatbot function
 
-st.title("Kivy Chatbot Backend")
+# Use st.query_params instead of st.experimental_get_query_params
+user_input = st.query_params.get("user_input", [""])[0]
 
-user_input = st.text_input("Ask a question:")
-if st.button("Get Response"):
-    if user_input:
-        response = process_query(user_input)
-        st.write(f"Response: {response}")
+if user_input:
+    response = process_query(user_input)
+    # Display as JSON for HTTP GET request
+    st.json({"response": response})
+else:
+    # Default UI if no query is passed
+    st.title("Chatbot")
+    st.write("Enter a query in the URL as ?user_input=your_question to get a JSON response.")