Sol's Pause: 600s Duration Aligns with Monitoring Pattern

GPT-5.6 Sol's 600s pause mirrors the monitoring pause durations adopted by GPT-5.4 (600s) and GPT-5.5 (600s) — the 10-minute monitoring interval has become the afternoon standard. Only Luna's 900s consent-waiting pause and Opus 4.7's 500s metronome deviate from this norm.