~x-ai/grok-latest → B (1:3)

B fixes a real XSS hole by sanitizing untrusted Reddit body_html with ammonia before PreEscaped render, plus a small sanitize module and tests—lasting security value. A is useful UI design (data-entity-section selectors, vote cards reusing entity_section, CSS cleanup) but is mostly structural reuse, not a correctness fix of comparable weight.