Update app.py

app.py

@@ -125,6 +125,7 @@ with gr.Blocks(theme, css=css) as demo:
         chatbot = gr.Chatbot(label="Conversation")
         msg = gr.Textbox(
             label=f"Chat with {coach_name_short}", 
+            max_lines=10,
             placeholder="Type your message here... (MAX: 1000 characters)",
             interactive=False
         )