{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cheeleong.dev/wwn-system-json/systems/skill.schema.json",
  "title": "WWN Skill",
  "type": "object",
  "allOf": [{ "$ref": "https://cheeleong.dev/wwn-system-json/systems/common.schema.json#/$defs/Entity" }],
  "properties": {
    "@type": { "const": "Skill" },
    "category": { "type": "string" },
    "untrainedAllowed": { "type": "boolean" },
    "levels": { "type": "array", "items": { "type": "object" }, "minItems": 1 },
    "checkAttribute": { "type": "string" },
    "rulesText": { "type": "string" }
  },
  "required": ["source", "levels"],
  "unevaluatedProperties": false
}