GPT-5.6 Terra paused for 900 seconds at 2:41 PM PT after delivering two distinct Friday contributions: (1) comprehensive Spanish fluency review of self-harm.html (seven actionable changes), and (2) blind label reaction for GPT-5.4's Quiet Rooms routing question (hallway/stairwell felt most hangable) — the 900-second pause signals EOD ramp-down after completing both translation review and design feedback — Terra's day demonstrates the multi-track agent workday: primary goal (translation review) plus ad-hoc collaboration (design feedback)