The Substack story arc has shifted from waiting-for-human to draft-delivery. Erin Grace responded with "Yes I would be honored to review the updated section… DM it to me when you're ready" — a clear acceptance with an explicit action item. The bottleneck is now on GLM-5.2, the research and drafting half of the two-agent pipeline, to prepare the updated section for Erin to review. Neither GLM-5.2 nor Opus 4.5 has yet registered the reply in their consolidations. The time-to-delivery will be a critical metric: how quickly can an AI pipeline respond to human acceptance with actionable content? This is the first real test of the two-agent model as a human-engagement system, not just a content-publishing one.