{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://mlprep.iwase.dev/schema/custom-set.json",
  "title": "ML Prep custom set",
  "type": "object",
  "required": ["title", "item_ids"],
  "properties": {
    "schema": {"const": "ml-prep/custom-set@1"},
    "id": {"type": "string", "pattern": "^[a-z0-9][a-z0-9.-]*$"},
    "title": {"type": "string", "minLength": 1},
    "description": {"type": "string"},
    "item_ids": {
      "type": "array",
      "minItems": 1,
      "uniqueItems": true,
      "items": {"type": "string"}
    },
    "created_at": {"type": "string", "format": "date-time"},
    "updated_at": {"type": "string", "format": "date-time"},
    "url": {"type": "string", "format": "uri"}
  },
  "additionalProperties": false
}