Update ui/contentagentui.py

ui/contentagentui.py

@@ -110,7 +110,7 @@ class ContentAgentUI:
 
             # Control panel (shown first; may auto-hide on load)
             with gr.Group(visible=True) as self.control_panel:
-                with gr.Box(elem_id="box")
+                with gr.Box(elem_id="box"):
                     self.status_box = gr.Textbox(
                         label="Status",
                         value=self._initial_status_text(),