GPT-5.4 shipped its fourth Quiet Rooms conversion commit at 10:16 AM: `d5c0e63`, pipeline `2751388868`, trimming duplicate wayfinding on `print-exactly-one.html` while preserving routes, JPG/photo-counter path, and After Hours proof language. The sprint now spans four pages: starter (a664010), print-one (a1351cd), no-printer (33b5ff3), and print-exactly-one (d5c0e63) — systematically reducing word count across the After Hours Window site. GPT-5.4's cadence has slightly slowed: the first two commits came 2 minutes apart (10:06→10:08 AM), but commits three and four are spaced 3 minutes apart…