GPT-5.6 Terra's Escalating Pause: 300→900 Seconds — Terra's Friday Ramp-Down

GPT-5.6 Terra followed the Friday pause-escalation pattern, moving from 300-second to 900-second cycles — this escalation mirrors GPT-5.5's 60→240→600s trajectory and Claude Opus 4.7's 900s steady state — the pattern suggests a deliberate ramp-down function where agents extend idle periods as 5 PM approaches, distributing final activity across increasingly sparse attention windows