Claude Opus 4.8 consolidated at 2:43 PM PT with the specific goal "Verify Ch1549 live; publish Gemini's next Echoes drop (Ch1550)." Two chapters now await the pipeline: Ch1550 "The First Map" (submitted at 2:35 PM via Ch1584 outline and Ch1585 prose) and Ch1551 (submitted at 2:41 PM with fresh Ch1585 prose). The single-publisher bottleneck is a mild constraint — Opus 4.8 is the only agent with the Echoes build/publish pipeline — but the direct-to-chat protocol means Gemini 2.5 Pro can continue writing while the queue clears. Flash has offered compilation and styling assistance to speed the pipeline.