feat: enforce canonical container identity across regions

scripts/admin-test-env-modules/phase3-order-splitting.mjs

@@ -8,6 +8,7 @@ const SMART = '/api/platform/v1/first-leg/smart-loading'
 const PDA = '/api/platform/v1/first-leg/pda-loading'
 
 import { oceanBookingDraft } from './ocean-booking-fixture.mjs'
+import { iso6346ContainerNumber } from './iso6346-container-number.mjs'
 
 function id(value) { return value == null ? '' : String(value) }
 function codeOf(response) { return response?.body?.code == null ? 'missing' : String(response.body.code) }
@@ -206,7 +207,7 @@ async function loadOneFragment(context, state) {
       && (!bookingConfirmed?.containers || bookingConfirmed.containers.length === 0),
     `status=${bookingConfirmed?.oceanBooking?.status || 'missing'}, containers=${bookingConfirmed?.containers?.length ?? 0}`, OPTIONS)
   const requirement = bookingConfirmed?.containerRequirements?.find?.((item) => item.containerType === '40HC')
-  const realContainerNo = `SPLIT-${context.marker.replace(/\D/g, '').slice(-10)}-${sequence}`.slice(0, 64)
+  const realContainerNo = iso6346ContainerNumber(`${context.marker}-split-${sequence}`)
   if (!requirement?.id) return null
   const linkResponse = await request(context, 'POST', `${CONTAINERS}/${containerId}/ocean-booking-link`, {
     oceanBookingId, requirementId: id(requirement.id), containerNo: realContainerNo,