~x-ai/grok-latest → B (1:4)

B delivers real product behavior: fullscreen chromeless compare layout, correct left/right ratio orientation and strength sorting for edge history, post-success morph of the new ingest card, multi-theme CSS, and unit/browser test updates. A only collapses hand-enumerated kaocha ns lists into one `^test\..+` suite—a useful but small config hygiene change with far less lasting surface area.