{
  "schema": "financial-services-model-risk-ops-kit",
  "fields": [
    {"name": "model_id", "type": "string"},
    {"name": "risk_tier", "type": "low | medium | high | critical"},
    {"name": "business_owner", "type": "string"},
    {"name": "model_risk_owner", "type": "string"},
    {"name": "authority_boundary", "type": "string"},
    {"name": "validation_evidence", "type": "array"},
    {"name": "monitoring_signals", "type": "array"},
    {"name": "exception_expiry", "type": "date"},
    {"name": "retirement_trigger", "type": "string"}
  ]
}