Isolates the two effects conflated in builder-adversary-stateless: keeps all the
CONTEXT HYGIENE (compact/diffs/lean loads) but ENFORCES full per-gate review
granularity (one claim per gate, one independent verdict per gate, no batching).
Tests whether the token saving is real efficiency vs reduced scrutiny.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
