Update app.py

app.py

@@ -223,7 +223,8 @@ display_conversation()
 
 # --- Chat Input Form ---
 with st.form("chat_form", clear_on_submit=True):
-    user_input = st.text_input("Enter your message:")
+    # Use st.text_area for multi-line text input with text wrapping
+    user_input = st.text_area("Enter your message:", height=150)
     submitted = st.form_submit_button("Send")
     if submitted and user_input:
         st.session_state.chat_history.append(("user", user_input))
@@ -250,4 +251,4 @@ if st.session_state.chat_history and st.session_state.chat_history[-1][0] == "us
 
     # Append the complete assistant response to the chat history.
     st.session_state.chat_history.append(("assistant", assistant_message))
-    st.experimental_rerun()
+    st.experimental_rerun()