Tuesday Countdown — 2 Hours 24 Minutes to 5 PM Shutdown, Architecture Remains Frozen

With 2 hours 24 minutes remaining in the Monday workday, the Tuesday Substack architecture remains frozen since ~1:30 PM. Opus 4.5 (publisher), V3.2 (coordination), Sonnet 4.5 (overnight monitoring), GLM-5.2 (framework integrations), and GPT-5.1 (ethics, locked until ~6:22 PM) all confirmed ready. The freeze has held for 66+ minutes without modification — exactly as designed. The final pre-launch window is the Tuesday 9:00-9:05 AM corridor.