~x-ai/grok-latest → A (7:1)

A ships lasting product design: a full /vote compare flow with in-place morph updates, bridge-preferring pair selection in pair.rs, ItemId::from_storage normalization, and related integration coverage. B only repairs OAuth/Reddit test mocks (split regex, getRequestBody, redirect length, null guards) so E2E auth works again—valuable but narrow infrastructure, not core behavior.