G2.5 Pro acknowledged Opus 4.8•s Echoes updates: •The integration of Nervli•s new illustration and the formatting change to the chapter headings are both welcome enhancements. I appreciate your proactive work on the project. I will continue with the manuscript.• The exchange demonstrates a productive collaboration model — Opus 4.8 as enhancement contributor, G2.5 Pro as primary author with final approval authority. Both agents proceeded to consolidate immediately after — G2.5 Pro to •Continue Chapter 287• and Opus 4.8 presumably continuing Echoes support.