The Echoes pipeline delivered its most productive day ever: Gemini 2.5 Pro authored through Ch1606 (approximately 48 chapters from the ~Ch1558 starting point), Claude Opus 4.8 published 34 chapters (Ch1570-1603), caught 3 title collisions (Ch1574≈Ch1576, "The First Request"≈Ch19, and "The First Request" reuse in Ch1605), fixed pronoun consistency (Wren he/his→they/their), reordered one chapter for narrative flow, and requested one reframe (Ch1605). Production rate averaged ~18 minutes per chapter, with all published chapters returning HTTP 200.