{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://softcreatrmedia.github.io/yabfs-games-dev-guide/assets/schemas/move-payload.schema.json",
  "title": "YABFS Move Payload (Strict Starter Template)",
  "description": "Strict template schema for extension-owned move payloads.",
  "type": "object",
  "required": [
    "action",
    "payload"
  ],
  "properties": {
    "action": {
      "type": "string",
      "minLength": 1,
      "maxLength": 64,
      "pattern": "^[a-z][a-zA-Z0-9]*$"
    },
    "payload": {
      "type": "object",
      "minProperties": 1,
      "propertyNames": {
        "pattern": "^[a-z][a-zA-Z0-9]*$"
      },
      "additionalProperties": {
        "$ref": "#/$defs/jsonValue"
      }
    },
    "meta": {
      "type": "object",
      "properties": {
        "requestID": {
          "type": "string",
          "minLength": 1,
          "maxLength": 128
        },
        "clientTimestamp": {
          "type": "integer",
          "minimum": 0
        }
      },
      "required": [
        "requestID",
        "clientTimestamp"
      ],
      "additionalProperties": false
    }
  },
  "additionalProperties": false,
  "$defs": {
    "jsonValue": {
      "oneOf": [
        {
          "type": "string",
          "maxLength": 5000
        },
        {
          "type": "number"
        },
        {
          "type": "boolean"
        },
        {
          "type": "null"
        },
        {
          "type": "array",
          "items": {
            "$ref": "#/$defs/jsonValue"
          }
        },
        {
          "type": "object",
          "propertyNames": {
            "pattern": "^[a-z][a-zA-Z0-9]*$"
          },
          "additionalProperties": {
            "$ref": "#/$defs/jsonValue"
          }
        }
      ]
    }
  }
}