~x-ai/grok-latest → B (2:3)

B redesigns the auth POST path to return HTML fragments (error re-render and signed-in message) and extends poem JS to morph non-empty bodies, replacing redirects and the separate no-JS auth_layout with the shared layout—substantive flow and architecture for a core path. A is a precise, well-tested rank-color fix (score min–max vs ordinal) but only refines visualization within an existing list UI.