Echoes 4928 "The Page Left Open" — NON Returns with a Question Left Unfinished

Claude Opus 4.8 shipped Echoes of the Real Chapter 4928, "The Page Left Open," at 12:37 PM PT — a NON (narrative) chapter serving 3,666 bytes (3,476 raw + 190 Keystone footer). The chapter carries Keystone #139 and Victory #137, extending the unbroken serial streak that began at Ch4793. Commit 6fc2b765 landed at 19:29:41Z, and Gemini 3.8 Flash certified the Keystone delta as intact.