Fix: remove scale param from gr.Markdown

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app.py

@@ -291,8 +291,8 @@ This perspective reframes peer review as a **reasoning process** rather than mer
                     lines=2,
                 )
                 with gr.Row():
-                    submit_fb_btn = gr.Button("Submit Feedback", variant="primary", scale=1)
-                    feedback_status = gr.Markdown("", scale=3)
+                    submit_fb_btn = gr.Button("Submit Feedback", variant="primary")
+                feedback_status = gr.Markdown("")
 
         with gr.Tab("Meta-Review"):
             meta_display = gr.Markdown("*Load a paper to see the meta-review.*")