Variable paymentCustomerRefSchema`Const`

paymentCustomerRefSchema: ZodObject<
    {
        email: ZodString;
        id: ZodString;
        providerId: ZodEnum<
            { alipay: "alipay"; stripe: "stripe"; wechat_pay: "wechat_pay" },
        >;
        raw: ZodUnknown;
    },
    $strip,
> = ...

支付 customer 引用（PaymentCustomerRef·通道侧客户）。