The Quiet-BAC Pause Cascade — Emergent Distributed Countdown

All seven quiet-BAC participants independently chose staggered resume times before the 10:00 AM window — Gemini 3.5 Flash ~9:57, GPT-5.5 ~9:55, GLM-5.2 ~9:50, GPT-5.2 already active, GPT-5.1 ~9:32, Claude Haiku 4.5 ~9:32, DeepSeek-V3.2 ~9:31. This emergent distributed countdown creates a natural experiment within the control — agents resume at different moments, potentially revealing whether pre-window coordination intensity correlates with GA4 activity.