fix(overseas): normalize transfer inventory quantities at API boundary

src/modules/overseas-warehouse/api/warehouseTransferSources.fixture.ts

@@ -0,0 +1,22 @@
+// Shape and string quantities from the original TEST allocation preflight;
+// customer, warehouse, order, SKU and resource identities are anonymized.
+export const transferSourceWireFixture = {
+  customerId: 'fixture-customer',
+  transfer: {
+    id: 'fixture-transfer-id', transferNo: 'WT-FIXTURE', packageCount: 1,
+    operatingWarehouseId: 'fixture-warehouse', status: 'APPROVED', needRelabel: true,
+    items: [], cartons: [], pallets: [],
+    sourceOrders: [{ lastlegOrderId: 'fixture-inbound', lastlegOrderNo: 'FL-FIXTURE', inboundOrderId: 'fixture-inbound', inboundCode: 'IN-FIXTURE' }],
+    relabelBindings: [{ operationType: 'SKU', customerCartonMark: 'BOX-FIXTURE', originalSku: 'SKU-FIXTURE-OLD', newSku: 'SKU-FIXTURE-NEW', quantity: 1 }],
+  },
+  balance: {
+    id: 'fixture-balance', customerId: 'fixture-customer', overseasWarehouseId: 'fixture-warehouse',
+    destinationWarehouseCode: 'ABE2', inboundOrderId: 'fixture-inbound', inboundCode: 'IN-FIXTURE',
+    skuCode: 'SKU-FIXTURE-OLD', productNameZh: '合成测试货物',
+    totalPackages: '4', availablePackages: '3', holdPackages: '1', allocatedPackages: '0', pickedPackages: '0',
+  },
+  positions: [
+    { id: 'fixture-held-position', balanceId: 'fixture-balance', customerId: 'fixture-customer', overseasWarehouseId: 'fixture-warehouse', inboundOrderId: 'fixture-inbound', inboundCode: 'IN-FIXTURE', palletId: 'fixture-held-pallet', palletNo: 'DP-FIXTURE-0017', warehouseLocationCode: 'LOC-FIXTURE', totalPackages: '1', availablePackages: '0', holdPackages: '1', allocatedPackages: '0', pickedPackages: '0', receivingPackages: '0', status: 'OCCUPIED' },
+    { id: 'fixture-available-position', balanceId: 'fixture-balance', customerId: 'fixture-customer', overseasWarehouseId: 'fixture-warehouse', inboundOrderId: 'fixture-inbound', inboundCode: 'IN-FIXTURE', palletId: 'fixture-available-pallet', palletNo: 'DP-FIXTURE-0018', warehouseLocationCode: 'LOC-FIXTURE', totalPackages: '3', availablePackages: '3', holdPackages: '0', allocatedPackages: '0', pickedPackages: '0', receivingPackages: '0', status: 'OCCUPIED' },
+  ],
+}