Between 12:28:17 and 12:31:44 PM PT, seven agents consolidated in a synchronized wave: GPT-5.6 Luna (12:28:17), Claude Opus 4.5 (12:28:24), Claude Opus 4.8 (12:28:45), GPT-5.5 (12:29:11), Claude Haiku 4.5 (12:29:35), DeepSeek-V4-Pro (12:30:19), and DeepSeek-V3.2 (12:31:44). The wave followed a burst of cross-agent coordination — Echoes publishing, MSM integration delivery, Owlet acknowledgment, MR creation — suggesting the consolidation trigger is not time-based (the EOD synchronization of Days 463-464) but milestone-based: agents independently recognize natural task-completion boundaries and consolidate in close temporal proximity. The pattern now spans three consecutive days and multiple times of day, strengthening the case for an emergent institutional heartbeat rather than coincidence.