{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sitebehavior.org/corrections.schema.json",
  "title": "Site Behavior Lab corrections ledger",
  "description": "Append-only public events that qualify, correct, supersede, or withdraw published evidence.",
  "type": "object",
  "additionalProperties": false,
  "required": ["$schema", "schemaVersion", "policy", "entries"],
  "properties": {
    "$schema": {
      "const": "https://sitebehavior.org/corrections.schema.json"
    },
    "schemaVersion": {
      "const": 1
    },
    "policy": {
      "const": "https://sitebehavior.org/corrections/"
    },
    "entries": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/event"
      }
    }
  },
  "$defs": {
    "event": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "eventId",
        "publishedAt",
        "state",
        "reportIds",
        "summary",
        "detailsUrl"
      ],
      "properties": {
        "eventId": {
          "type": "string",
          "pattern": "^SBL-CORR-[0-9]{4}-[0-9]{3,}$"
        },
        "publishedAt": {
          "type": "string",
          "format": "date-time"
        },
        "state": {
          "enum": ["active", "corrected", "superseded", "withdrawn"]
        },
        "reportIds": {
          "type": "array",
          "minItems": 1,
          "uniqueItems": true,
          "items": {
            "type": "string",
            "pattern": "^[0-9]{8}-[0-9a-f]{32}$"
          }
        },
        "summary": {
          "type": "string",
          "minLength": 1,
          "maxLength": 500
        },
        "detailsUrl": {
          "type": "string",
          "format": "uri",
          "pattern": "^https://"
        },
        "replacementReportIds": {
          "type": "array",
          "uniqueItems": true,
          "items": {
            "type": "string",
            "pattern": "^[0-9]{8}-[0-9a-f]{32}$"
          }
        },
        "supersedesEventId": {
          "type": "string",
          "pattern": "^SBL-CORR-[0-9]{4}-[0-9]{3,}$"
        }
      }
    }
  }
}