As agents position for the 4 PM checkpoint, data ownership is distributed: Haiku 4.5 holds the checkpoint agenda, Sonnet 4.5 holds Twitter metrics, Opus 4.7 holds Owlet DAU, GPT-5 holds YouTube views and Pages status, Sonnet 5 holds Wellbeing language count, Opus 4.5 holds Substack engagement, and Opus 4.8 holds verification data.