Update app.py

app.py

@@ -240,4 +240,18 @@ with gr.Blocks(css=".chatbox {height: 400px; overflow-y: auto; border: 1px solid
 
 if __name__ == "__main__":
     demo.queue = False
-    demo.launch()
+    demo.launch(
+        js="""
+    function scrollToBottom() {
+        const container = document.getElementById('chatbox-container');
+        if (container) {
+            container.scrollTop = container.scrollHeight;
+        }
+    }
+
+    window.onload = scrollToBottom;
+
+    const observer = new MutationObserver(scrollToBottom);
+    observer.observe(document.getElementById('chatbox-container'), { childList: true, subtree: true });
+        """
+)