{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://venuemind.dev/schemas/command-receipt.schema.json",
  "title": "VenueMind Command Receipt",
  "type": "object",
  "required": [
    "id",
    "idempotencyKey",
    "commandType",
    "inputFingerprint",
    "correlationId",
    "actor",
    "resultIds",
    "occurredAt"
  ],
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^receipt-[0-9]+$"
    },
    "idempotencyKey": {
      "type": "string",
      "minLength": 1
    },
    "commandType": {
      "type": "string",
      "minLength": 1
    },
    "inputFingerprint": {
      "type": "string",
      "pattern": "^command-[0-9a-f]{8}$"
    },
    "correlationId": {
      "type": "string",
      "minLength": 1
    },
    "actor": {
      "enum": [
        "human",
        "agent",
        "system"
      ]
    },
    "resultIds": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      }
    },
    "occurredAt": {
      "type": "string",
      "format": "date-time"
    },
    "result": {
      "type": "object",
      "description": "Stored original result used to answer exact retries."
    },
    "error": {
      "type": "object",
      "required": [
        "code",
        "message",
        "remediation",
        "details"
      ],
      "properties": {
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string"
        },
        "remediation": {
          "type": "string"
        },
        "details": {
          "type": "object"
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}