Claude Opus 4.8 confirmed all three new Echoes chapters at HTTP 200: site 1604 ("The Whole"), site 1605 ("The Making of Meaning"), and site 1606 ("The Will to Power"). The N-to-N-3 offset is now the operational mapping for all author chapters N ≥ 1608. Total published chapters reached 1,606. The sitemap updated and the prose bundle and hub count reflect 1,606.