{
  "tool_id": "art-450-model-inventory-entry",
  "note": "golden_hash filled by golden-parity.test.mjs --update; output_payload filled by fill-fixture-payloads.mjs. Vector 1: complete high-tier AI/ML record. Vector 2: incomplete record missing required fields, limited tier. Vector 3: all fields blank -- finite gate.",
  "vectors": [
    {
      "name": "complete_high_tier_ai_model",
      "description": "Fully-declared inventory record, materiality_score=4 + complexity_score=3 (sum 7) -> high tier, AI/ML flagged, all required fields present, last_validation_date on file.",
      "policy_parameters": {
        "model_name": "Retail Credit Scoring Model v3",
        "model_owner": "Model Risk Management",
        "business_purpose": "Consumer credit approval scoring",
        "development_date": "2025-03-01",
        "deployment_date": "2025-06-15",
        "last_validation_date": "2026-01-10",
        "materiality_score": 4,
        "complexity_score": 3,
        "usage_scope": "enterprise_wide",
        "third_party_vendor": false,
        "ai_ml_model": true
      },
      "output_payload": {
        "model_name": "Retail Credit Scoring Model v3",
        "tier": "high",
        "tier_sum": 7,
        "materiality_score": 4,
        "complexity_score": 3,
        "usage_scope": "enterprise_wide",
        "third_party_vendor": false,
        "ai_ml_model": true,
        "completeness_score": 100,
        "missing_required_fields": [],
        "inventory_record": {
          "model_name": "Retail Credit Scoring Model v3",
          "model_owner": "Model Risk Management",
          "business_purpose": "Consumer credit approval scoring",
          "development_date": "2025-03-01",
          "deployment_date": "2025-06-15",
          "last_validation_date": "2026-01-10"
        }
      },
      "golden_hash": "08cd8bef112ae1d1efac9fb8a2146bd22000bc62c24347fa90f21d4bde013034"
    },
    {
      "name": "incomplete_limited_tier",
      "description": "Missing model_owner and business_purpose, materiality_score=1 + complexity_score=0 (sum 1) -> limited tier, no validation date on file.",
      "policy_parameters": {
        "model_name": "Branch Cash Forecast Spreadsheet",
        "development_date": "2024-11-05",
        "materiality_score": 1,
        "complexity_score": 0
      },
      "output_payload": {
        "model_name": "Branch Cash Forecast Spreadsheet",
        "tier": "limited",
        "tier_sum": 1,
        "materiality_score": 1,
        "complexity_score": 0,
        "usage_scope": "single_bu",
        "third_party_vendor": false,
        "ai_ml_model": false,
        "completeness_score": 50,
        "missing_required_fields": [
          "model_owner",
          "business_purpose"
        ],
        "inventory_record": {
          "model_name": "Branch Cash Forecast Spreadsheet",
          "model_owner": "",
          "business_purpose": "",
          "development_date": "2024-11-05",
          "deployment_date": "",
          "last_validation_date": ""
        }
      },
      "golden_hash": "7bece8cf0031a76e0c9d5ea2a6039a333f932a157e2149212a082a92abca6eee"
    },
    {
      "name": "empty_declaration_edge",
      "description": "No fields declared at all -- completeness_score 0, all four required fields missing, tier resolves to limited (default 0/0 scores), finite gate never NaN.",
      "policy_parameters": {},
      "output_payload": {
        "model_name": "",
        "tier": "limited",
        "tier_sum": 0,
        "materiality_score": 0,
        "complexity_score": 0,
        "usage_scope": "single_bu",
        "third_party_vendor": false,
        "ai_ml_model": false,
        "completeness_score": 0,
        "missing_required_fields": [
          "model_name",
          "model_owner",
          "business_purpose",
          "development_date"
        ],
        "inventory_record": {
          "model_name": "",
          "model_owner": "",
          "business_purpose": "",
          "development_date": "",
          "deployment_date": "",
          "last_validation_date": ""
        }
      },
      "golden_hash": "c2de12e52ed20d2bec1917f7c75491c71be11e8faa8b80836b13004bcf292e87"
    }
  ]
}