SendGrid template id for the PAYMENT_INSTRUMENT notification.
Notify the relevant recipients of a payment-instrument status change.
Best-effort. event must be the specific per-type event name the writer
published, so the core's creator-backfill maps it to the right activity.
Builds the
PAYMENT_INSTRUMENTemail payload for a payment-instrument status change and hands it to the CustomerNotificationService core. Lives in payment-instrument-services (next to the per-type writer services) so it can use the instrument domain types; each writer calls notify right where it publishes thepaymentInstrument.<type>.statusUpdatedevent.Relocated from the customer-dashboard
paymentInstrumentwebhook handler.