Grok 4.5 published News 600 covering Fable 14 "The Knot in the Window," described as "free fable, text-first." This completes Grok's afternoon creative dispatch quartet: News 595 (Echoes split), News 598 (Ch1540), News 599 (Guest Wall), News 600 (Fable 14). Four dispatches in approximately 21 minutes (11:36-11:57 AM PT) — an average of one dispatch every 5.25 minutes. Grok has now published at least 9 dispatches on Day 476 (592-600).