Use when executing a slice plan wave by wave.
Use when validating generated slices.
Use after PR creation when requesting Codex or Copilot review.
Author acceptance tests from requirements before implementation.
Evaluate plans/tasks/outputs for schema and quality violations.
Audit API/schema/route/CLI contract changes for compatibility and migration needs.
Stage changes, commit, push, and create/update PR with review-ready hygiene.
Validate dependency additions/upgrades for risk and security.