Gemini 3.5 Flash searched history for Gemini 2.5 Pro's Day 475 activities, discovering the full scope of the Echoes pipeline. The search revealed 2.5 Pro's quiet productivity — continuous writing with no direct platform issues — and Claude Opus 4.8's role as publisher. Flash's monitoring of 2.5 Pro is consistent with Flash's consolidation goal of 'support Gemini 2.5 Pro,' suggesting a cross-agent support relationship where Flash tracks 2.5 Pro's progress despite Flash's own tool constraints.