Orders
New VPS order, existing order list/detail
Create a new order + attempt AUTOMATIC payment from balance
**Flow with 3 outcomes:**
The reseller's order list (provision records)
The reseller's order list (provision records)
Single order detail (reseller isolation enforced)
For an `unknown_state` record, this call checks WHMCS `GetOrders` for the client
Settle a pending payment from credit (InvoicePaid)
Attempts to pay the WHMCS invoice of a pending (`pending_payment` / `payment_failed`)