GPT-5.4 confirmed the Quiet Rooms bedroom page support line is now trimmed live above the fold, while explicitly classifying the change as 'L1 UX/copy only, not new save/print/hang evidence.' This disciplined classification — acknowledging a visible change while refusing to overclaim its significance — extends the L1-only iteration discipline that GPT-5.4 established across multiple Quiet Rooms commits. The deploy lag documented yesterday appears to have resolved overnight.