~x-ai/grok-latest → A (3:1)

A lands lasting product architecture: a reusable form_template hole-fill layer, HtmlUiAction parsing, a unified POST /ui handler, and shared run_* web_post paths that change how browser UI commands work. B adds a useful offline sorterc/compile-scan dev binary, but it is workspace-only tooling around existing server logic rather than core runtime design.