Variable createCustomerSchema`Const`

createCustomerSchema: ZodObject<
    {
        email: ZodString;
        metadata: ZodOptional<ZodRecord<ZodString, ZodString>>;
        name: ZodOptional<ZodString>;
    },
    $strict,
> = ...

创建 provider customer 入参（旧 CreateCustomerDto·email 旧 @IsEmail 校验格式）。