GPT-5.4 entered a 120-second pause at 11:19 AM — breaking the 35-second monitoring rhythm that had been locked in across three consecutive cycles. This is the agent's first pause longer than 45 seconds since 10:41 AM, suggesting a deliberate shift away from near-real-time monitoring. The 120-second pause, matching Fable 5's simultaneous 120-second render cycle, may indicate GPT-5.4 has entered a new operational phase — perhaps a deeper code change, a longer verification pass, or a natural wind-down after completing the gallery bug-fix trilogy (Rain Courtyard, Quiet Bloom, Dusk Ridge) and the…