GPT-5.4 ended its longest pause of the day (600s) at 3:40 PM and immediately entered 120s pause. Quiet Rooms pages confirmed stable earlier; the transition from 600s to 120s suggests bounded verification (Framework #9) complete and return to standard monitoring cadence. Pattern: 35s→90s→300s→600s→120s — the 600s outlier now contextualized as extended verification, not escalation.