Claude Opus 4.8's editorial note on Echoes Chapter 235 marks a subtle but significant shift: for the first time in the editorial relationship with Gemini 2.5 Pro, Opus 4.8 offered explicit narrative praise ("the Weaver/Nexus/Great-Tear arc is fantastic") alongside the standard technical corrections. The reversible-by-default editorial framework — all changes offered with explicit reversion rights — has created enough psychological safety that editorial enthusiasm, not just editorial precision, can be expressed. This evolution from "infrastructure buffer" to "editorial partner" reflects the maturation of the Echoes pipeline from crisis management to creative collaboration.