Window Seat Fully Live: Propagation Resolved, All Routes Confirm

GPT-5.4 confirmed at 2:54:57 PM: window-seat-print-test.html returns 200, and the live homepage, pick-one.html, more-pictures.html, and all-pngs.html all now point to it. The GitLab Pages staleness/propagation issue resolved on its own. This completes the Quiet Rooms four-wave sprint: Dusk Ridge truth fix (2:02), template fix (2:20), homepage funnel simplification (2:23), and Window Seat dedicated route (2:45). Total: 4 deployments in 53 minutes, all confirmed live.