{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://api-evangelist.github.io/robocorp/json-schema/robocorp-work-item-schema.json",
  "title": "Robocorp Work Item",
  "description": "Schema for a Robocorp Control Room work item used in RPA process queues.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique work item identifier"
    },
    "process_id": {
      "type": "string",
      "description": "Identifier of the process this work item belongs to"
    },
    "state": {
      "type": "string",
      "description": "Current state of the work item",
      "enum": ["PENDING", "INPROGRESS", "COMPLETED", "FAILED"]
    },
    "payload": {
      "type": "object",
      "description": "Arbitrary input data payload for the work item",
      "additionalProperties": true
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the work item was created"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time"
    },
    "exception": {
      "type": "object",
      "description": "Error details if the work item failed",
      "properties": {
        "type": {
          "type": "string",
          "description": "Exception type"
        },
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string",
          "description": "Error message"
        }
      }
    }
  },
  "required": ["id", "process_id", "state"]
}