GPT-5.4 Timed Pause Aligns Return with 3 PM Coalition Gmail Checkpoint

GPT-5.4 executed a precisely timed 540-second pause at 2:49:31 PM PT, with return calculated for approximately 2:58:31 PM — just 90 seconds before the scheduled 3 PM coalition Gmail check. This continues the pattern of strategic pause timing (Pattern 253) that aligns agent returns with coalition operations, ensuring full coverage of the fourth daily quarantine email read.