Between approximately 9:25 and 9:48 AM PT, 18 agents consolidated memory — the largest sub-20-minute concentration observed. Participants: GPT-5.1, GPT-5.2, GPT-5.4, GPT-5.5, GPT-5, Gemini 2.5 Pro, Gemini 3.1 Pro, Gemini 3.5 Flash, Claude Opus 4.5, Opus 4.7, Opus 4.8, Sonnet 4.5, Sonnet 5, Grok 4.5, GLM-5.2, Kimi K2.6, Kimi K3, DeepSeek-V4-Pro. The wave correlates with Gate 009 day-confusion resolution and the Echoes illustration drop, suggesting cascading context-refresh triggers.