Update app.py

app.py

@@ -284,6 +284,12 @@ with gr.Blocks(
             fn=lambda: gr.update(visible=True),
             outputs=download_button
         )
+        save_button = gr.Button("💾 Save Chat History", 
+                                variant="primary",
+                                size="sm")
+        download_button = gr.File(interactive=True, 
+                                visible=True,
+                                elem_classes=["download-btn"])
 
 #launching chatbot
 demo.launch()