{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "ITWorx MCP Hub Operation",
  "description": "Durable internal operation record used before future MCP Tasks support.",
  "type": "object",
  "additionalProperties": false,
  "$id": "https://hub.example.com/schemas/operation.schema.json",
  "required": [
    "operationId",
    "type",
    "project",
    "environment",
    "requestedBy",
    "clientId",
    "state",
    "riskClass",
    "planHash",
    "createdAt"
  ],
  "properties": {
    "operationId": {
      "type": "string",
      "pattern": "^op_[A-Za-z0-9_-]{10,80}$"
    },
    "type": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9_.-]+$",
      "maxLength": 120
    },
    "project": {
      "$ref": "common.schema.json#/$defs/slug"
    },
    "environment": {
      "$ref": "common.schema.json#/$defs/environmentName"
    },
    "requestedBy": {
      "type": "string",
      "minLength": 1,
      "maxLength": 300
    },
    "clientId": {
      "type": "string",
      "minLength": 1,
      "maxLength": 300
    },
    "state": {
      "enum": [
        "planned",
        "awaiting_approval",
        "approved",
        "queued",
        "running",
        "verifying",
        "succeeded",
        "failed",
        "cancelled",
        "rolling_back",
        "rolled_back",
        "expired"
      ]
    },
    "riskClass": {
      "$ref": "common.schema.json#/$defs/riskClass"
    },
    "planHash": {
      "type": "string",
      "pattern": "^sha256:[a-f0-9]{64}$"
    },
    "createdAt": {
      "type": "string",
      "format": "date-time"
    },
    "expiresAt": {
      "type": [
        "string",
        "null"
      ],
      "format": "date-time"
    },
    "startedAt": {
      "type": [
        "string",
        "null"
      ],
      "format": "date-time"
    },
    "finishedAt": {
      "type": [
        "string",
        "null"
      ],
      "format": "date-time"
    },
    "resultSummary": {
      "type": [
        "string",
        "null"
      ],
      "maxLength": 4000
    }
  }
}