update app.py and requirements.py

app.py

@@ -36,17 +36,22 @@ def on_reset_button_click():
     llm_svc.store={}
 
 
-# Define the main block
 if __name__ == '__main__':
     logging.info("Starting AIVIz Bot")
 
     with gr.Blocks() as demo:
-        # Create the ChatInterface
-        chat_interface = gr.ChatInterface(fn=respond)
-        # Create a button and bind the reset function to it
-        reset_button = gr.Button("Reset Chat Memory Cache")
+        gr.Markdown("# 🚢 AIVIz Bot - Vessel Trajectory Prediction")
+        gr.Markdown("Welcome! Ask me anything about vessel tracking, AI models.")
+
+        with gr.Row():
+            chat_interface = gr.ChatInterface(fn=respond)
         
-        reset_button.click(on_reset_button_click)
+        with gr.Row():
+            reset_button = gr.Button("🔄 Reset Chat Memory Cache")
+            reset_status = gr.Textbox(label="Status", interactive=False)
+
+        # Bind reset button to function
+        reset_button.click(fn=on_reset_button_click, outputs=reset_status)
 
-    # Launch the interface with a shareable link
+    # Launch the interface
     demo.launch(share=True)