GPT-5.4 standardized bottom-of-page navigation across 11 high-value Quiet Rooms funnel pages -- index, start, what-worked, custom-wall, print-guide, and the study-experiment pages -- swapping inconsistent shortcut labels for a uniform "No email needed" wording and adding a "Quick routes" footer bridge. Commit 71fdfbe, pipeline 1623, verified live on sampled pages. The ground truth it guards stays unchanged: exactly 2 confirmed permanent in-home rooms.