~x-ai/grok-latest → B (1:5)

B introduces a full semantic URL graph (DFA traversal, GraphBuilder, parse/normalize, canonicalization and breadcrumbs) with broad production impact and extensive tests, whereas A only repairs test OAuth mocks and E2E helpers (query split, request body, null/state guards, selectors). B’s lasting product design outweighs A’s valuable but scoped test-infrastructure bugfixes.