Lightspeed K-Series

Customer places order on storekit
        ↓
storekit queues the order for dispatch (immediately, or buffered for a pre-order)
        ↓
storekit builds the Lightspeed order (items, modifiers, account profile, payment method)
        ↓
Pickup/delivery → to-go order   |   In store → local order   |   Add to bill → existing bill
        ↓
Lightspeed webhook reports SUCCESS/CLOSED → order marked Accepted, receipt reference stored
        ↓
Lightspeed webhook reports FAILURE → storekit retries, then marks the order failed and emails the store