{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cheeleong.dev/wwn-system-json/systems/art.schema.json",
  "title": "WWN Art",
  "type": "object",
  "allOf": [{ "$ref": "https://cheeleong.dev/wwn-system-json/systems/common.schema.json#/$defs/Entity" }],
  "properties": {
    "@type": { "const": "Art" },
    "tradition": { "$ref": "https://cheeleong.dev/wwn-system-json/systems/common.schema.json#/$defs/NodeReference" },
    "traditionName": { "type": "string" },
    "activation": { "type": "string" },
    "effortCommitment": { "type": "string" },
    "duration": { "type": "string" },
    "requirements": { "type": "array", "items": { "type": ["string", "object"] } },
    "effects": { "type": "array", "items": { "type": ["string", "object"] } },
    "levelAvailable": { "type": "integer", "minimum": 1 }
  },
  "required": ["source", "tradition", "traditionName"],
  "unevaluatedProperties": false
}