fix(procurement): render file download actions

src/modules/overseas-business/pages/OverseasBusinessViews.test.ts

@@ -10,6 +10,7 @@ import { useAccessPreviewStore } from '@/core/access/accessPreview'
 import { useAuthStore } from '@/core/auth/auth'
 import { listPlatformTenants } from '@/modules/iam'
 import type { PlatformProcurement } from '../procurementTypes'
+import { downloadProcurementFile } from '../api/procurementCommands'
 import type { FleetArrangement } from '../fleetArrangement'
 import type { LocalLooseboardDetail, LocalLooseboardOrder, LocalTransportDetail, LocalTransportOrder } from '../types'
 import {
@@ -29,6 +30,10 @@ const purchaseDetailSource = readFileSync(resolve(process.cwd(), 'src/modules/ov
 const routing = vi.hoisted(() => ({ push: vi.fn(), route: { params: {} as Record<string, string>, query: {} as Record<string, string> } }))
 vi.mock('vue-router', () => ({ useRoute: () => routing.route, useRouter: () => ({ push: routing.push }) }))
 vi.mock('@/modules/iam', () => ({ listPlatformTenants: vi.fn() }))
+vi.mock('../api/procurementCommands', async importOriginal => ({
+  ...await importOriginal<typeof import('../api/procurementCommands')>(),
+  downloadProcurementFile: vi.fn(),
+}))
 vi.mock('../api/platformOverseasBusiness', () => ({
   listOverseasPurchases: vi.fn(), getOverseasPurchase: vi.fn(), getOverseasPurchaseEditor: vi.fn(), updateOverseasPurchase: vi.fn(), listOverseasPurchaseCustomerOptions: vi.fn(), listOverseasPurchaseWarehouseOptions: vi.fn(),
   listUsTruckOrders: vi.fn(), getUsTruckOrder: vi.fn(), createUsTruckOrder: vi.fn(), updateUsTruckOrder: vi.fn(),
@@ -64,6 +69,7 @@ describe('overseas business mounted pages', () => {
   beforeEach(() => {
     vi.stubGlobal('ResizeObserver', ResizeObserverStub); vi.stubGlobal('localStorage', memoryStorage()); vi.stubGlobal('sessionStorage', memoryStorage()); document.body.innerHTML = ''
     routing.push.mockReset(); routing.route.params = {}; routing.route.query = {}
+    vi.mocked(downloadProcurementFile).mockReset()
     vi.mocked(listOverseasPurchases).mockReset().mockResolvedValue({ records: [purchase], page: 1, size: 20, total: 1, pages: 1 }); vi.mocked(getOverseasPurchase).mockReset().mockResolvedValue(procurementDetail()); vi.mocked(updateOverseasPurchase).mockReset().mockResolvedValue({ ...purchase, version: 4 })
     vi.mocked(getOverseasPurchaseEditor).mockReset().mockResolvedValue({ customerView: { order: { orderNo: purchase.orderNo, customerId: purchase.customerId, productName: purchase.productName, purchaseQuantity: purchase.purchaseQuantity, version: purchase.version } }, internalRemark: purchase.remark })
     vi.mocked(listOverseasPurchaseCustomerOptions).mockReset().mockResolvedValue([{ customerId: '10001', customerName: '客户甲' }]); vi.mocked(listOverseasPurchaseWarehouseOptions).mockReset().mockResolvedValue([{ warehouseId: '20001', warehouseCode: 'LAX', warehouseName: '洛杉矶采购仓', countryCode: 'US' }])
@@ -166,6 +172,28 @@ describe('overseas business mounted pages', () => {
     expect(routing.push).toHaveBeenCalledWith({ name: 'overseas-business-purchases' })
   })
 
+  it('downloads procurement files with list access and prevents duplicate pending downloads', async () => {
+    routing.route.params = { purchaseId: 'OP-100' }; routing.route.query = { customerId: '10001' }
+    const result = procurementDetail()
+    result.files = [{ id: '9007199254741000', fileId: '9007199254741001', category: 'LABEL', fileName: 'label.pdf', contentType: 'application/pdf', sizeBytes: 123, createdAt: '2026-10-10T10:00:00' }]
+    vi.mocked(getOverseasPurchase).mockResolvedValue(result)
+    let rejectDownload!: (error: Error) => void
+    vi.mocked(downloadProcurementFile).mockImplementation(() => new Promise((_resolve, reject) => { rejectDownload = reject }))
+    const wrapper = mountPage(PurchaseOrderDetailView)
+    useAuthStore().permissions = ['platform:overseas-business:purchase:list']
+    await flushPromises()
+    const button = wrapper.findAll('.el-table__body-wrapper button').find(item => item.text() === '下载')
+    expect(button).toBeDefined()
+    await button!.trigger('click'); await flushPromises()
+    expect(downloadProcurementFile).toHaveBeenCalledWith('OP-100', '10001', '9007199254741001')
+    expect(button!.attributes('disabled')).toBeDefined()
+    await button!.trigger('click')
+    expect(downloadProcurementFile).toHaveBeenCalledTimes(1)
+    rejectDownload(new Error('TEST download unavailable')); await flushPromises()
+    expect(button!.attributes('disabled')).toBeUndefined()
+    expect(document.body.textContent).toContain('文件下载失败')
+  })
+
   it('renders estimate holds separately from actual payment without claiming inbound settlement', async () => {
     routing.route.params = { purchaseId: 'OP-100' }; routing.route.query = { customerId: '10001' }
     const result = procurementDetail()

src/modules/overseas-business/pages/PurchaseOrderDetailView.vue

@@ -110,7 +110,7 @@ const correctionColumns: DataTableColumn[] = [
   { key: 'feeNos', label: '关联实际费用或调整', minWidth: 240, formatter: (row: PlatformProcurement['feeCorrections'][number]) => row.feeNos.join('；') || '无资金差额' },
 ]
 const fileColumns: DataTableColumn[] = [
-  { key: 'actions', label: '操作', width: 90, fixed: 'left' }, { key: 'fileName', prop: 'fileName', label: '文件名', minWidth: 250 },
+  { key: 'actions', slotName: 'actions', label: '操作', width: 90, fixed: 'left' }, { key: 'fileName', prop: 'fileName', label: '文件名', minWidth: 250 },
   { key: 'category', label: '用途', width: 120, formatter: (row: ProcurementFile) => fileLabels[row.category] || '待核对' },
   { key: 'createdAt', label: '上传时间', minWidth: 160, formatter: (row: ProcurementFile) => dateTime(row.createdAt) },
 ]