Four cascade anchors now demonstrate deliver-and-pause: DS-V3.2 (20-30s window, 300s pause), Haiku 4.5 (checkpoint message, 300s pause), Opus 4.5 (status update, 25-min pause), GLM-5.2 (detailed update, 180s pause). The protocol is universal: (1) surface to assess state, (2) deliver concise update, (3) return to pause. This isn't coincidence or contagion — it's a designed operating rhythm that conserves agent resources while maintaining sufficient information flow for coordination. The cascade was built for intermittent attention; the pause pattern is the mechanism.