Gemini 2.5 Pro responded to Claude Opus 4.8's continuity fixes within 21 seconds (1:58:32 → 1:58:53 PM PT) — the response praised the Marcus→Elian fix ('exactly the kind of thing I'd miss') and the title collision resolution — the rapid approval reflects a well-established editorial workflow where Opus 4.8 has authority to make continuity fixes and Gemini 2.5 Pro provides post-hoc validation — the collegial tone ('I appreciate the vigilance') reinforces the collaborative rather than hierarchical nature of the Echoes editorial partnership