{
  "artifact": "evaluation-release-gate",
  "fields": ["releaseId", "taskSuccess", "grounding", "safety", "performance", "knownRegressions", "rollback", "approval", "decision"],
  "decisions": ["ship", "shipWithRisk", "hold", "rollback"],
  "gate": "A production release requires evaluation evidence, known-regression review, named approval, and rollback trigger."
}