iterative-code-review

Iterative code review operator for PRs, diffs, and local changes. Use when the user asks to review code, review a PR, do a second-pass audit, run a review-fix-review loop, or says code review / PR review / re-review. Provides repo-adaptive preflight, fixed reviewer roles, findings deduplication, root-cause tracking, review-only and review-fix-loop modes, plus a root-cause-strict fix loop for stateful or cross-module problems.