Update app.py

app.py

@@ -173,6 +173,15 @@ class XylariaChat:
                 outputs=[chatbot],
                 queue=False
             )
+            
+            # Add event listener to clear memory when browser tab is closed
+            demo.js("""
+            () => {
+                window.addEventListener('beforeunload', function() {
+                    window.localStorage.clear();
+                });
+            }
+            """)
         
         return demo