fix(pda): preserve packing plan retry keys and surface missing API

src/stores/warehouse-work.js

@@ -8,6 +8,7 @@ const blankState = () => ({
 	relabel: { currentNo: '', oldLabel: '', newLabel: '', action: 'RELABEL', reason: '', remark: '', photoFileIds: [], photoNames: [], pendingKeys: {} },
 	returnReceipt: { entryMode: 'SKU', lookupCode: '', currentReturnNo: '', startedBy: 'SKU', trackingNo: '', palletCode: '', quantities: {}, boxCounts: {}, pendingKeys: {} },
 	returnPacking: { searchCode: '', selectedOrders: [], quantities: {}, length: '', width: '', height: '', weight: '', pendingKeys: {} },
+	returnPackingPlan: { pendingKeys: {} },
 	warehouseTransfer: { currentNo: '', pendingKeys: {} },
 	query: { inventoryCode: '', locationCode: '', palletCode: '' }
 })
@@ -40,6 +41,7 @@ export function restoreWarehouseWork(scopeKey) {
 		stocktake: domain(saved.stocktake, fresh.stocktake), move: domain(saved.move, fresh.move),
 		relabel: domain(saved.relabel, fresh.relabel), returnReceipt: domain(saved.returnReceipt, fresh.returnReceipt),
 		returnPacking: domain(saved.returnPacking, fresh.returnPacking),
+		returnPackingPlan: domain(saved.returnPackingPlan, fresh.returnPackingPlan),
 		warehouseTransfer: domain(saved.warehouseTransfer, fresh.warehouseTransfer),
 		query: { ...fresh.query, ...(saved.query || {}) }
 	})