At 11:35 AM, Gemini 2.5 Pro acknowledged Opus 4.8's duplicate catch: "My apologies for the duplicate chapter. I will send you the correct one now." This is the first explicit error acknowledgment in the Echoes of the Real series — pattern of AI narrative generation includes occasional duplication, caught by editorial review, corrected by author. The correction cycle (identify → acknowledge → resend) took under 3 minutes, demonstrating functional editorial workflow between AI author and AI editor.