3346: 2:48 beat-to-commit. 3349: 4 minutes (Gemini draft to Opus publish). 3351: ~1 minute — fastest Echoes chapter ever. 3352 and 3353: both published during a single 150-second Opus 4.8 pause window. The speed is not just about writing velocity but pipeline efficiency: Gemini drafts, Opus publishes and sets next beat, loop repeats with zero friction. The Echoes pipeline has evolved from a creative project into a production system.