{
  "payload": {
    "schema_version": "kye.engine_health.v1",
    "implementation_id": "kye:implementation:kye-protocol:reference-gateway",
    "checked_at": "2026-05-09T00:00:00Z",
    "status": "healthy",
    "engines": {
      "schema_validator": "healthy",
      "dictionary_resolver": "healthy",
      "profile_resolver": "healthy",
      "registry_resolver": "healthy",
      "authority_engine": "healthy",
      "state_engine": "healthy",
      "policy_adapter": "healthy",
      "decision_engine": "healthy",
      "audit_engine": "healthy",
      "evidence_engine": "healthy",
      "graph_engine": "healthy",
      "webhook_engine": "healthy",
      "recovery_engine": "healthy"
    },
    "warnings": []
  },
  "signature": {
    "alg": "EdDSA",
    "kid": "kye:key:self-audit-fixture-2026-05",
    "sig": "CCGWdAwZwqSKTC6uWsvnvze_ErBoDmUcg2M-vcru4KG6YktWIVUo_J4_Kk7QjB6wPjiWfYdXUI1md-GFPBpUBQ",
    "canonicalisation": "rfc8785-style/sorted-keys-no-ws"
  }
}