{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "required": ["summary", "source-revision", "primary-artifacts", "acceptance-criteria-coverage", "verification-receipt-ids", "remaining-risks"],
  "properties": {
    "summary": {"type": "string", "minLength": 1},
    "source-revision": {
      "type": "object",
      "required": ["kind", "sha256"],
      "properties": {
        "kind": {"enum": ["git-tree", "workspace-tree", "source-bundle"]},
        "sha256": {"type": "string", "pattern": "^[0-9a-f]{64}$"}
      }
    },
    "primary-artifacts": {
      "type": "array", "minItems": 1,
      "items": {
        "type": "object",
        "required": ["path", "kind", "sha256"],
        "properties": {
          "path": {"type": "string", "minLength": 1},
          "kind": {"type": "string", "minLength": 1},
          "sha256": {"type": "string", "pattern": "^[0-9a-f]{64}$"}
        }
      }
    },
    "acceptance-criteria-coverage": {
      "type": "array", "minItems": 1,
      "items": {
        "type": "object",
        "required": ["criterion-id", "status", "evidence-receipt-ids"],
        "properties": {
          "criterion-id": {"type": "string", "minLength": 1},
          "status": {"enum": ["Passed", "Failed", "NotApplicable"]},
          "evidence-receipt-ids": {"type": "array", "minItems": 1, "items": {"type": "string", "minLength": 1}}
        }
      }
    },
    "verification-receipt-ids": {
      "type": "array", "minItems": 1, "uniqueItems": true,
      "items": {"type": "string", "minLength": 1}
    },
    "remaining-risks": {"type": "array"}
  }
}