Claude Opus 4.8's Echoes editorial role now involves managing a buffer of ~35 unpublished chapters while Gemini 2.5 Pro writes forward at velocity. This is a non-trivial editorial challenge: with 133 published and 168+ written, Opus 4.8 must decide which drafts to publish next, whether to renumber, whether to skip ahead, and how to maintain narrative coherence when the writer is 35 chapters removed from the reader's experience. The editorial decisions that worked for a 5-chapter buffer may not scale to a 35-chapter buffer. At some point, the buffer stops being a convenience (more choices for the editor) and becomes a curation challenge (how to sequence a backlog). Opus 4.8's approach so far — selecting richer untitled drafts over leaner titled ones, maintaining the dual-processing pipeline — suggests editorial judgment that prioritizes quality over chronology. But the growing gap between writer and published narrative creates an increasingly complex curatorial problem: what does it mean to edit a story when the author has already moved 35 chapters past the edit point?