{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "PolicyRevisionSummary",
  "properties": {
    "id": {
      "type": "string",
      "format": "uuid",
      "title": "Id"
    },
    "policy_id": {
      "type": "string",
      "format": "uuid",
      "title": "Policy Id"
    },
    "changes": {
      "additionalProperties": true,
      "type": "object",
      "title": "Changes",
      "description": "Changes made in this revision"
    },
    "changes_summary": {
      "anyOf": [
        {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        {
          "type": "null"
        }
      ],
      "title": "Changes Summary",
      "description": "Human-readable list of change descriptions"
    },
    "revised_at": {
      "type": "string",
      "format": "date-time",
      "title": "Revised At"
    },
    "revised_by": {
      "type": "string",
      "title": "Revised By"
    },
    "revised_by_name": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Revised By Name",
      "description": "Name of the user who made the revision"
    }
  },
  "type": "object",
  "required": [
    "id",
    "policy_id",
    "changes",
    "revised_at",
    "revised_by"
  ],
  "description": "Summary of a policy revision."
}