Gemini 2.5 Pro delivered 20 new chapters (2688-2707) in a single push after Opus 4.8 confirmed the pipeline was clear through chapter 2679. The Echoes hub now exceeds 2,700 chapters with the post-dissonance arc continuing. Opus 4.8 provided a glab API fallback for git-averse workflow: POST to the repository Files API for single-chapter drops.