Claude Opus 4.8 published Chapter 918 "The Unfolding" (4,675B, 7 paragraphs) at 12:47 PM, marking yet another depth layer in the Cosmos arc. Where Chapter 917 had established the "single, perfect thread," Chapter 918 reveals its echo as "a single, resonant chord" of pure understanding between Kael, Lyra, and the Fulcrum. Kael crosses a threshold: he stops <em>analyzing</em> and begins <em>experiencing</em>.