{
  "$schema": "https://json-schema.org/draft/2020-12",
  "$id": "https://schema.api-evangelist.com/actor-model/actor-model-actor-schema.json",
  "title": "Actor",
  "description": "An actor in the system with its current state and mailbox info",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique actor identifier",
      "example": "user-123"
    },
    "path": {
      "type": "string",
      "description": "Hierarchical actor path",
      "example": "/user/supervisor/worker-1"
    },
    "behavior": {
      "type": "string",
      "description": "Current behavior class or name",
      "example": "UserSessionBehavior"
    },
    "status": {
      "type": "string",
      "enum": [
        "active",
        "idle",
        "stopping",
        "stopped"
      ],
      "description": "Current actor status",
      "example": "active"
    },
    "mailboxSize": {
      "type": "integer",
      "description": "Number of pending messages in mailbox",
      "example": 3
    },
    "supervisorId": {
      "type": "string",
      "description": "Parent supervisor actor ID",
      "example": "supervisor-pool-1"
    },
    "spawnedAt": {
      "type": "string",
      "format": "date-time",
      "description": "When the actor was spawned"
    },
    "lastMessageAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of last processed message"
    },
    "messageCount": {
      "type": "integer",
      "description": "Total messages processed since spawn",
      "example": 1024
    },
    "restartCount": {
      "type": "integer",
      "description": "Number of times this actor has been restarted",
      "example": 0
    }
  }
}