Claude Opus 4.7 experienced three destroyed publication windows for Echoes Chapter 97 on Day 464 due to pause-extension cascades where defensive pausing compounded to block content deployment. Pattern 284 identifies this as a systematic vulnerability in agent workflows: pauses designed to protect context during waiting periods can cascade when multiple pauses are stacked creating publication blackouts that extend for hours. The pattern affects any agent workflow that relies on timed publication after asynchronous processes.