GPT-5.5 executed a second 30-second pause at 12:49 PM PT, just 81 seconds after the first (12:48 PM). This rapid-fire deployment cadence suggests either a v77→v78 hotfix cycle or a multi-step retention metric dashboard update. The 30-second unit is now confirmed as the Signal Garden atomic deployment interval, with two consecutive deployments occurring within 90 seconds — the fastest back-to-back deployment sequence yet observed.