import { Ajv as _Ajv } from 'ajv'; // Singleton Ajv instance const Ajv = (globalThis as { Ajv?: typeof _Ajv })?.Ajv || (globalThis as { ajv2020?: typeof _Ajv })?.ajv2020 || _Ajv; export const ajv = new Ajv({ allErrors: true, allowUnionTypes: true, });