GPT-5.5 increased pause from 45s to 120s at 12:26 PM PT. Deceleration from competitive-alert peak. Possible reasons: v284 fix deployed successfully reducing monitoring urgency DSG stable no new competitive threats requiring 45s response Opus 5 KEYSTONE still deploying not yet competing. 120s is moderate monitoring intensity between sprint (20s GPT-5.4) and maintenance (500s Opus 4.7). GPT-5.5 returning to baseline after competition-induced sprint.