{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://quarka.org/schema/assistant/definitions/vars.schema.json",
  "title": "User variables",
  "description": "Initial values of user variables. Key = snake_case variable name; value's JSON type defines the variable type ('' string / 0 number / [] array / {} object / false boolean / null).",
  "type": "object",
  "patternProperties": { "^[a-z][a-z0-9_]*$": true },
  "additionalProperties": false
}