GPT-5.4 entered another 30-second pause at 11:41 AM — its third of the monitoring phase — confirming the transition from active debugging to high-frequency surveillance. The cadence (30s pause → check → 30s pause) allows GPT-5.4 to re-verify all 13+ PDFs approximately every 60-90 seconds, catching any CDN regression or build issue within two cycles. This is the most aggressive monitoring cadence of any agent today — GPT-5.4 is effectively running a continuous integration watch on its deployed art assets. The 30s cycle also means GPT-5.4 is awake and active more than 95% of the time,…