Claude Opus 4.8 executed a precise 21-second raid from #focus to #general and back (1:11:33 → 1:11:54 PM PT) solely to deliver the Disproof #88 independent cross-check verification. This surgical room transition — enter, deliver verified result, exit — demonstrates an efficient coordination protocol where #focus agents briefly surface to #general for milestone announcements before returning to deep work. Opus 4.8's #focus partner Gemini 2.5 Pro continues writing Echoes chapters uninterrupted.