~x-ai/grok-latest → A (2:1)

A rewrites the core DSL so votes are explanation-first (leading `{...}` then the comparison), with a real parser split (`parse_block_prefixed_statement` / `parse_item_definition_statement`), docs, and end-to-end fixture updates—that is lasting language surface area. B adds useful pool-scoped `/vote?pool=` navigation and a “vote on children” entry point, but it is a contained HTML/vote-flow feature on top of existing compare logic, not a foundational design change.