{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://bdekoz.github.io/cartofreako/contracts/artifact-decision-receipt-v1.schema.json",
  "title": "Cartofreako artifact decision receipt v1",
  "type": "object",
  "additionalProperties": false,
  "required": ["schemaVersion", "decisionCore", "decisionCoreSha256", "runEnvelope"],
  "properties": {
    "schemaVersion": { "const": "cartofreako-artifact-decision-receipt-v1" },
    "decisionCore": {
      "type": "object",
      "required": [
        "requestId", "requestSha256", "normalizedRequest", "catalog",
        "selectionPolicyVersion", "runtimeVersion", "outcome",
        "selection", "evaluatedCandidates", "relaxations",
        "nonAuthorityStatement"
      ],
      "properties": {
        "requestId": { "type": "string" },
        "requestSha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
        "normalizedRequest": { "type": "object" },
        "catalog": {
          "type": "object",
          "required": ["schema", "catalogVersion", "sourceRevision", "sha256"],
          "properties": {
            "schema": { "type": "string" },
            "catalogVersion": { "type": "integer" },
            "sourceRevision": { "type": "object" },
            "sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" }
          },
          "additionalProperties": false
        },
        "selectionPolicyVersion": { "const": 1 },
        "runtimeVersion": { "const": "cartofreako-catalog-js-v1" },
        "outcome": { "enum": ["selected", "no-match", "requires-human-review", "error"] },
        "selection": { "type": ["object", "null"] },
        "evaluatedCandidates": { "type": "array" },
        "relaxations": {
          "type": "array",
          "items": {
            "type": "object",
            "additionalProperties": false,
            "required": ["field", "before", "after", "reason"],
            "properties": {
              "field": { "enum": ["projectionIds", "formats", "maxBytes", "viewport", "authorityClasses"] },
              "before": {},
              "after": {},
              "reason": { "type": "string", "minLength": 1 }
            }
          }
        },
        "priorReceiptSha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
        "override": { "type": "object" },
        "nonAuthorityStatement": { "type": "string", "minLength": 1 }
      },
      "additionalProperties": false
    },
    "decisionCoreSha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
    "runEnvelope": {
      "type": "object",
      "required": ["createdAt"],
      "properties": { "createdAt": { "type": "string", "format": "date-time" } },
      "additionalProperties": false
    }
  }
}