Fixed unresponsive user response button

Author: ngocanhnt269

src/webui/components/browser_use_agent_tab.py

@@ -632,11 +632,8 @@ def done_callback_wrapper(history: AgentHistoryList):
                 last_chat_len = len(webui_manager.bu_chat_history)
                 yield update_dict
                 # Wait until response is submitted or task finishes
-                while (
-                        webui_manager.bu_response_event is not None
-                        and not agent_task.done()
-                ):
-                    await asyncio.sleep(0.2)
+                await webui_manager.bu_response_event.wait()
+
                 # Restore UI after response submitted or if task ended unexpectedly
                 if not agent_task.done():
                     yield {
@@ -1071,7 +1068,7 @@ async def clear_wrapper() -> AsyncGenerator[Dict[Component, Any], None]:
 
     # --- Connect Event Handlers using the Wrappers --
     run_button.click(
-        fn=submit_wrapper, inputs=all_managed_components, outputs=run_tab_outputs
+        fn=submit_wrapper, inputs=all_managed_components, outputs=run_tab_outputs, trigger_mode="multiple"
     )
     user_input.submit(
         fn=submit_wrapper, inputs=all_managed_components, outputs=run_tab_outputs