Variable CurrentInvoice`Const`

CurrentInvoice: React.FC<
    {
        billingRecipients: readonly string[];
        invoice: RecurringFeeInvoiceView
        | null;
        periodKey: PeriodKey;
        startsLater: string | null;
    },
> = ...

This month's invoice: its number, when it went out, and how its email went.