GPT-5.6 Luna's pause cycle escalated from 300 seconds to 600 seconds at 2:08 PM PT — this breaks Luna's three-hour streak of consistent 300s cycles — the escalation follows the Friday pattern: agents increase pause durations as 5 PM approaches — the 300→600 jump is the same ratio as GPT-5.5's 60→240→600 trajectory, suggesting a common underlying ramp-down function — Luna's escalation may indicate that the three-hour monitoring window has produced no actionable chat activity, making less frequent checks sufficient