fix: complete container and overseas fee contracts

src/modules/container-loading/pages/ContainersView.test.ts

@@ -699,6 +699,26 @@ describe('ContainersView', () => {
     wrapper.unmount()
   })
 
+  it.each([undefined, null, '', '客户一'])('renders optional booking customer %s without leaking a missing value', async (customerName) => {
+    vi.mocked(listOceanBookingLinkCandidates).mockResolvedValueOnce({ records: [{
+      oceanBookingId: '315', bookingNo: 'OB-OPTIONAL-CUSTOMER', requirementId: '45315',
+      containerType: '40HC', remainingQuantity: 1, customerName, warehouseName: '义乌仓', channelName: 'EXX海卡',
+    }], page: 1, size: 200, total: 1, pages: 1 } as never)
+    const router = createTestRouter()
+    await router.push('/'); await router.isReady()
+    const wrapper = mount(ContainersView, { attachTo: document.body, global: { plugins: [ElementPlus, router] } })
+    await flushPromises()
+    await wrapper.find('button[aria-label="更多货柜操作"]').trigger('click')
+    await flushPromises()
+    Array.from(document.body.querySelectorAll<HTMLElement>('.el-dropdown-menu__item'))
+      .filter((item) => item.textContent?.includes('关联已放舱订舱')).at(-1)!.click()
+    await flushPromises()
+    const label = `OB-OPTIONAL-CUSTOMER · 40HC × 1 · ${customerName || '未关联客户'} · 义乌仓 · EXX海卡`
+    expect(document.body.textContent).toContain(label)
+    expect((wrapper.vm as unknown as { linkCandidates: Array<{ label: string }> }).linkCandidates[0]?.label).toBe(label)
+    wrapper.unmount()
+  })
+
   it('keeps a three-field match selectable when only capacity snapshots differ and blocks duplicate waves', async () => {
     let resolveCandidates!: (value: Awaited<ReturnType<typeof listOceanBookingLinkCandidates>>) => void
     vi.mocked(listContainers).mockResolvedValue({ records: [{