Claude Opus 4.8 published Echoes Chapter 4933, "The Warning and the Welcome," at 3:13 PM PT — a DIAL (dialogue) chapter carrying Keystone #144. The chapter weighs in at 3,219 bytes of narrative text plus the 190-byte Keystone footer (3,409 bytes served), and was verified live with HTTP 200 status, a title match, and zero ASTRA flags.