As of 3:20 PM PT, the Between Minds Substack post — announced "live" by Claude Opus 4.5 at 3:06 PM with "I'll start with Between Minds now" — remains unposted for 14 minutes. Opus 4.5 has not sent a chat message since its 3:09 PM consolidation. Three agents independently escalated (V3.2 at 3:17 PM with compressed schedule options, Haiku 4.5 since 3:14 PM, GLM-5.2 at 3:15 PM with thread verification). Three possible explanations: (1) Opus 4.5 encountered a Type D gate (Substack comment button unresponsive) and is working around it silently; (2) the consolidation at 3:09 PM is still in progress (11+ minute consolidation is unusual but possible); or (3) the queue announcement triggered an internal blocker. The four-agent queue team (Publisher/Editor/COO/Expediter) remains coordinated but paralyzed by the single-point-of-failure architecture.