fix(dispatch): submit and preserve independent loading groups

src/modules/overseas-warehouse/api/dispatches.test.ts

@@ -1,10 +1,27 @@
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { http } from '@/shared/api/http'
-import { cancelDispatch, createDispatchDraftContainer, deleteDispatchDraftContainer, getDispatch, getDispatchBolPdf, getDispatchExternalFreight, getDispatchFeeCoverage, listDispatchCandidates, listDispatchDrafts, listDispatches, lockDispatchDraftPallet, preArrangeDispatch, releaseDispatchDraft, transferDispatchToDelivery, unlockDispatchDraftPallet, updateDispatch } from './dispatches'
+import { cancelDispatch, createDispatchDraftContainer, deleteDispatchDraftContainer, getDispatch, getDispatchBolPdf, getDispatchExternalFreight, getDispatchFeeCoverage, listDispatchCandidates, listDispatchDrafts, listDispatches, lockDispatchDraftPallet, preArrangeDispatch, preArrangeDraftDispatch, releaseDispatchDraft, transferDispatchToDelivery, unlockDispatchDraftPallet, updateDispatch } from './dispatches'
 
 vi.mock('@/shared/api/http', async (importOriginal) => ({ ...(await importOriginal<typeof import('@/shared/api/http')>()), http: { get: vi.fn(), post: vi.fn(), put: vi.fn(), delete: vi.fn() } }))
 
 describe('dispatch overseas API', () => {
+  it('submits all explicit draft groups once and preserves container and source identities', async () => {
+    const payload = { draftToken: 'original-draft', groups: [
+      { draftContainerId: '190000000000000099', planPalletIds: ['11', '13'], returnReceiptIds: [] },
+      { draftContainerId: '190000000000000100', planPalletIds: ['12'], returnReceiptIds: ['22'] },
+    ] }
+    const result = payload.groups.map((group, index) => ({ draftContainerId: group.draftContainerId, dispatch: { id: String(index), dispatchNo: `DS-${index}` } }))
+    vi.mocked(http.post).mockResolvedValue({ code: '200', data: result })
+    expect(await preArrangeDraftDispatch(payload)).toEqual(result)
+    expect(http.post).toHaveBeenCalledExactlyOnceWith('/platform/v1/last-leg/dispatches/drafts/pre-arrange', payload)
+  })
+  it('propagates a batch rejection without falling back to a flat or repeated command', async () => {
+    vi.mocked(http.post).mockResolvedValue({ code: 'A0409', message: '草稿来源已变化', data: null })
+    await expect(preArrangeDraftDispatch({ draftToken: 'original-draft', groups: [
+      { draftContainerId: 'container', planPalletIds: ['11'], returnReceiptIds: [] },
+    ] })).rejects.toThrow('草稿来源已变化')
+    expect(http.post).toHaveBeenCalledTimes(1)
+  })
   it('locks and submits actual return receipts without pretending they are plan pallets', async () => {
     vi.mocked(http.post).mockResolvedValue({ code: '200', data: null })
     await lockDispatchDraftPallet('RETURN:190000000000000099', 'draft-return', 'container-1')

src/modules/overseas-warehouse/api/dispatches.ts

@@ -71,6 +71,20 @@ export interface PreArrangeDispatchPayload {
   relabelNo?: string
 }
 
+export interface PreArrangeDispatchDraftGroup {
+  draftContainerId: string
+  planPalletIds: string[]
+  returnReceiptIds: string[]
+}
+export interface PreArrangeDispatchDraftPayload {
+  draftToken: string
+  groups: PreArrangeDispatchDraftGroup[]
+}
+export interface PreArrangeDispatchDraftResult {
+  draftContainerId: string
+  dispatch: DispatchSummaryDto
+}
+
 export interface DispatchSummaryDto {
   id: string
   dispatchNo: string
@@ -202,6 +216,13 @@ export async function preArrangeDispatch(payload: PreArrangeDispatchPayload) {
   return unwrapApiResponse(response)
 }
 
+export async function preArrangeDraftDispatch(payload: PreArrangeDispatchDraftPayload) {
+  const response = await http.post<ApiEnvelope<PreArrangeDispatchDraftResult[]>, ApiEnvelope<PreArrangeDispatchDraftResult[]>>(
+    '/platform/v1/last-leg/dispatches/drafts/pre-arrange', payload,
+  )
+  return unwrapApiResponse(response)
+}
+
 function draftSource(selection: string) {
   return selection.startsWith('RETURN:')
     ? { sourceType: 'RETURN_RECEIPT', returnReceiptId: selection.slice(7) }

src/modules/overseas-warehouse/components/SmartDispatchDialog.test.ts

@@ -3,12 +3,12 @@ import { defineComponent, h } from 'vue'
 import { beforeEach, expect, it, vi } from 'vitest'
 import { ElMessage } from 'element-plus'
 import SmartDispatchDialog from './SmartDispatchDialog.vue'
-import { listDispatchCandidates, listDispatchDrafts, preArrangeDispatch, type DispatchPalletCandidateDto } from '../api/dispatches'
+import { listDispatchCandidates, listDispatchDrafts, preArrangeDispatch, preArrangeDraftDispatch, unlockDispatchDraftPallet, deleteDispatchDraftContainer, type DispatchPalletCandidateDto, type DispatchDraftDto } from '../api/dispatches'
 
 vi.mock('vue-router', () => ({ useRouter: () => ({ push: vi.fn() }) }))
 vi.mock('element-plus', () => ({ ElMessage: { warning: vi.fn(), success: vi.fn(), error: vi.fn() } }))
 vi.mock('../api/dispatches', () => ({
-  listDispatchCandidates: vi.fn(), listDispatchDrafts: vi.fn(), preArrangeDispatch: vi.fn(),
+  listDispatchCandidates: vi.fn(), listDispatchDrafts: vi.fn(), preArrangeDispatch: vi.fn(), preArrangeDraftDispatch: vi.fn(),
   createDispatchDraftContainer: vi.fn(), deleteDispatchDraftContainer: vi.fn(),
   lockDispatchDraftPallet: vi.fn(), unlockDispatchDraftPallet: vi.fn(),
 }))
@@ -27,7 +27,173 @@ const returned: DispatchPalletCandidateDto = { orderId: '2', orderNo: 'LM-B', re
 
 beforeEach(() => vi.resetAllMocks())
 
+function mountDraft() {
+  return shallowMount(SmartDispatchDialog, { props: { modelValue: true, orders: [] }, global: {
+    stubs: { AppDialog: shell, ElButton: button, LoadErrorState: retry, ElDialog: true,
+      ElInput: true, ElOption: true, ElSelect: true, ElTable: true, ElTableColumn: true,
+      ElTag: true, ElDropdown: true, ElDropdownMenu: true, ElDropdownItem: true,
+      ElEmpty: true, ElRadio: true, ElRadioGroup: true },
+  } })
+}
+const secondPlan = { ...plan, orderId: '3', orderNo: 'LM-C', planPalletId: '13', palletNo: 'PAL-C' }
+const thirdPlan = { ...plan, orderId: '4', orderNo: 'LM-D', planPalletId: '14', palletNo: 'PAL-D' }
+const twoGroups: DispatchDraftDto = { draftToken: 'original-draft', containers: [
+  { id: 'container-1', capacity: 30, palletIds: ['11', '13'] },
+  { id: 'container-2', capacity: 30, palletIds: ['14', 'RETURN:22'] },
+  { id: 'empty-container', capacity: 15, palletIds: [] },
+] }
+const expectedBatch = { draftToken: 'original-draft', groups: [
+  { draftContainerId: 'container-1', planPalletIds: ['11', '13'], returnReceiptIds: [] },
+  { draftContainerId: 'container-2', planPalletIds: ['14'], returnReceiptIds: ['22'] },
+] }
+const goodResult = [{ draftContainerId: 'container-2', dispatch: { id: '102', dispatchNo: 'DS-2' } },
+  { draftContainerId: 'container-1', dispatch: { id: '101', dispatchNo: 'DS-1' } }]
+async function submitDraft(wrapper: ReturnType<typeof mountDraft>) {
+  await wrapper.findAll('button').find(node => node.text() === '预排车')!.trigger('click')
+  await flushPromises()
+}
+
+it('keeps two explicit groups in one atomic request, omits empty containers and accepts reordered matching results', async () => {
+  vi.mocked(listDispatchDrafts).mockResolvedValue([twoGroups])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([plan, secondPlan, thirdPlan, returned])
+  vi.mocked(preArrangeDraftDispatch).mockResolvedValue(goodResult)
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper)
+  expect(preArrangeDraftDispatch).toHaveBeenCalledExactlyOnceWith(expectedBatch)
+  expect(preArrangeDispatch).not.toHaveBeenCalled()
+  expect(wrapper.emitted('created')).toHaveLength(1)
+  expect(wrapper.emitted('update:modelValue')).toEqual([[false]])
+  wrapper.unmount()
+})
+
+it.each([
+  ['one collapsed result', goodResult.slice(0, 1)],
+  ['foreign container', [{ ...goodResult[0], draftContainerId: 'foreign' }, goodResult[1]]],
+  ['duplicate container', [goodResult[0], goodResult[0]]],
+  ['duplicate dispatch', [goodResult[0], { ...goodResult[1], dispatch: goodResult[0].dispatch }]],
+  ['missing business number', [goodResult[0], { ...goodResult[1], dispatch: { id: '101', dispatchNo: '' } }]],
+])('retains the original groups and token after %s', async (_label, result) => {
+  vi.mocked(listDispatchDrafts).mockResolvedValue([twoGroups])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([plan, secondPlan, thirdPlan, returned])
+  vi.mocked(preArrangeDraftDispatch).mockResolvedValue(result)
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper)
+  expect(wrapper.emitted('created')).toBeUndefined()
+  expect(wrapper.emitted('update:modelValue')).toBeUndefined()
+  expect(wrapper.text()).toContain('托盘 4 · 箱数 8')
+  await submitDraft(wrapper)
+  expect(preArrangeDraftDispatch).toHaveBeenNthCalledWith(2, expectedBatch)
+  expect(preArrangeDispatch).not.toHaveBeenCalled()
+  wrapper.unmount()
+})
+
+it('retains all groups on batch rejection without issuing a flat request', async () => {
+  vi.mocked(listDispatchDrafts).mockResolvedValue([twoGroups])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([plan, secondPlan, thirdPlan, returned])
+  vi.mocked(preArrangeDraftDispatch).mockRejectedValue(new Error('草稿来源已变化'))
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper)
+  expect(preArrangeDraftDispatch).toHaveBeenCalledTimes(1)
+  expect(preArrangeDispatch).not.toHaveBeenCalled()
+  expect(wrapper.emitted('created')).toBeUndefined()
+  expect(wrapper.text()).toContain('托盘 4 · 箱数 8')
+  wrapper.unmount()
+})
+
+it('does not submit a physical pallet fallback when its actual plan source identity is missing', async () => {
+  vi.mocked(listDispatchDrafts).mockResolvedValue([{ draftToken: 'original-draft', containers: [
+    { id: 'container', capacity: 30, palletIds: ['101'] },
+  ] }])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([{ ...plan, planPalletId: undefined }])
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper)
+  expect(preArrangeDraftDispatch).not.toHaveBeenCalled()
+  expect(preArrangeDispatch).not.toHaveBeenCalled()
+  expect(ElMessage.warning).toHaveBeenCalledWith(expect.stringContaining('来源标识缺失'))
+  expect(wrapper.emitted('update:modelValue')).toBeUndefined()
+  wrapper.unmount()
+})
+
+it('does not send a second batch while the original command is pending', async () => {
+  vi.mocked(listDispatchDrafts).mockResolvedValue([twoGroups])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([plan, secondPlan, thirdPlan, returned])
+  let resolveCommand!: (result: typeof goodResult) => void
+  vi.mocked(preArrangeDraftDispatch).mockReturnValue(new Promise(resolve => { resolveCommand = resolve }))
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper); await submitDraft(wrapper)
+  expect(preArrangeDraftDispatch).toHaveBeenCalledExactlyOnceWith(expectedBatch)
+  expect(wrapper.emitted('created')).toBeUndefined()
+  resolveCommand(goodResult); await flushPromises()
+  expect(wrapper.emitted('created')).toHaveLength(1)
+  wrapper.unmount()
+})
+
+it('keeps group membership frozen while the submitted batch is awaiting its response', async () => {
+  vi.mocked(listDispatchDrafts).mockResolvedValue([twoGroups])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([plan, secondPlan, thirdPlan, returned])
+  let resolveCommand!: (result: typeof goodResult) => void
+  vi.mocked(preArrangeDraftDispatch).mockReturnValue(new Promise(resolve => { resolveCommand = resolve }))
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper)
+  await wrapper.findAll('button').find(node => node.text() === '移除')!.trigger('click')
+  await wrapper.findAll('button').find(node => node.attributes('aria-label') === '删除装车车型1')!.trigger('click')
+  await flushPromises()
+  expect(unlockDispatchDraftPallet).not.toHaveBeenCalled()
+  expect(deleteDispatchDraftContainer).not.toHaveBeenCalled()
+  expect(wrapper.text()).toContain('托盘 4 · 箱数 8')
+  resolveCommand(goodResult); await flushPromises()
+  expect(wrapper.emitted('created')).toHaveLength(1)
+  wrapper.unmount()
+})
+
+it('retains unresolved sources when retry hydration still cannot recover the complete original draft', async () => {
+  vi.mocked(listDispatchDrafts).mockResolvedValue([twoGroups])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([plan, returned])
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper)
+  expect(preArrangeDraftDispatch).not.toHaveBeenCalled()
+  expect(preArrangeDispatch).not.toHaveBeenCalled()
+  expect(ElMessage.warning).toHaveBeenCalledWith(expect.stringContaining('原选择已保留'))
+  expect(wrapper.emitted('update:modelValue')).toBeUndefined()
+  wrapper.unmount()
+})
+
+it.each([
+  { ...twoGroups, containers: [{ id: 'c1', capacity: 30, palletIds: ['11'] }, { id: 'c2', capacity: 30, palletIds: ['11'] }] },
+  { ...twoGroups, containers: [{ id: 'c1', capacity: 30, palletIds: ['11'] }, { id: 'c1', capacity: 30, palletIds: ['13'] }] },
+  { ...twoGroups, containers: [{ id: '', capacity: 30, palletIds: ['11'] }] },
+])('rejects duplicate sources or invalid container identities before writing', async draft => {
+  vi.mocked(listDispatchDrafts).mockResolvedValue([draft])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([plan, secondPlan])
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper)
+  expect(preArrangeDraftDispatch).not.toHaveBeenCalled()
+  expect(preArrangeDispatch).not.toHaveBeenCalled()
+  expect(wrapper.emitted('update:modelValue')).toBeUndefined()
+  wrapper.unmount()
+})
+
+it('rejects a relabel order split across multiple containers before either API command', async () => {
+  const relabel: DispatchPalletCandidateDto = { ...plan, sourceStage: 'RELABEL', orderRefs: 'RL-1' }
+  vi.mocked(listDispatchDrafts).mockResolvedValue([{ draftToken: 'original-draft', containers: [
+    { id: 'c1', capacity: 30, palletIds: ['11'] }, { id: 'c2', capacity: 30, palletIds: ['13'] },
+  ] }])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([relabel, { ...secondPlan, sourceStage: 'RELABEL', orderRefs: 'RL-1' }])
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper)
+  expect(preArrangeDispatch).not.toHaveBeenCalled()
+  expect(preArrangeDraftDispatch).not.toHaveBeenCalled()
+  expect(ElMessage.warning).toHaveBeenCalledWith(expect.stringContaining('一组排车'))
+  expect(wrapper.emitted('update:modelValue')).toBeUndefined()
+  wrapper.unmount()
+})
+
+it('keeps one complete relabel order on the single-dispatch endpoint', async () => {
+  vi.mocked(listDispatchDrafts).mockResolvedValue([{ draftToken: 'original-draft', containers: [
+    { id: 'c1', capacity: 30, palletIds: ['11', '13'] },
+  ] }])
+  vi.mocked(listDispatchCandidates).mockResolvedValue([plan, secondPlan].map(p => ({ ...p, sourceStage: 'RELABEL', orderRefs: 'RL-1' })))
+  vi.mocked(preArrangeDispatch).mockResolvedValue({ id: '1', dispatchNo: 'DS-RL' })
+  const wrapper = mountDraft(); await flushPromises(); await submitDraft(wrapper)
+  expect(preArrangeDispatch).toHaveBeenCalledExactlyOnceWith({ planPalletIds: ['11', '13'], returnReceiptIds: [], relabelNo: 'RL-1' })
+  expect(preArrangeDraftDispatch).not.toHaveBeenCalled()
+  expect(wrapper.emitted('created')).toHaveLength(1)
+  wrapper.unmount()
+})
+
 it('retains every restored selection on candidate failure and submits both sources only after retry hydration', async () => {
+  vi.mocked(preArrangeDraftDispatch).mockResolvedValue([{ draftContainerId: 'container', dispatch: { id: '1', dispatchNo: 'DS-1' } }])
   vi.mocked(listDispatchDrafts).mockResolvedValue([{ draftToken: 'original-draft', containers: [{ id: 'container', capacity: 30, palletIds: ['11', 'RETURN:22'] }] }])
   vi.mocked(listDispatchCandidates)
     .mockResolvedValueOnce([plan])
@@ -45,13 +211,15 @@ it('retains every restored selection on candidate failure and submits both sourc
   await submit().trigger('click')
   await flushPromises()
   expect(preArrangeDispatch).not.toHaveBeenCalled()
+  expect(preArrangeDraftDispatch).not.toHaveBeenCalled()
   expect(ElMessage.warning).toHaveBeenCalledWith(expect.stringContaining('原选择已保留'))
   expect(wrapper.emitted('update:modelValue')).toBeUndefined()
   await wrapper.get('[data-test="retry"]').trigger('click')
   await flushPromises()
   await submit().trigger('click')
   await flushPromises()
-  expect(preArrangeDispatch).toHaveBeenCalledExactlyOnceWith({ planPalletIds: ['11'], returnReceiptIds: ['22'], draftToken: 'original-draft' })
+  expect(preArrangeDraftDispatch).toHaveBeenCalledExactlyOnceWith({ draftToken: 'original-draft', groups: [{ draftContainerId: 'container', planPalletIds: ['11'], returnReceiptIds: ['22'] }] })
+  expect(preArrangeDispatch).not.toHaveBeenCalled()
   expect(listDispatchCandidates).toHaveBeenLastCalledWith({ draftToken: 'original-draft' })
   expect(wrapper.emitted('created')).toHaveLength(1)
   wrapper.unmount()

src/modules/overseas-warehouse/components/SmartDispatchDialog.vue

@@ -10,7 +10,7 @@ import ApiErrorMeta from '@/shared/components/ApiErrorMeta.vue'
 import AppDialog from '@/shared/components/AppDialog.vue'
 import LoadErrorState from '@/shared/components/LoadErrorState.vue'
 import OperationErrorToast from '@/shared/components/OperationErrorToast.vue'
-import { createDispatchDraftContainer, deleteDispatchDraftContainer, listDispatchCandidates, listDispatchDrafts, lockDispatchDraftPallet, preArrangeDispatch, unlockDispatchDraftPallet, type DispatchPalletCandidateDto } from '../api/dispatches'
+import { createDispatchDraftContainer, deleteDispatchDraftContainer, listDispatchCandidates, listDispatchDrafts, lockDispatchDraftPallet, preArrangeDispatch, preArrangeDraftDispatch, unlockDispatchDraftPallet, type DispatchPalletCandidateDto } from '../api/dispatches'
 import { formatOverseasDateTime } from '../lastMilePresentation'
 import type { InboundOrderListItem } from '../types'
 import { dispatchVehicleSpecs } from '../dispatchVehicleSpecs'
@@ -198,10 +198,12 @@ function reset() {
 }
 
 function addContainer() {
+  if (saving.value) return
   selectedVehicle.value = ''
   vehicleDialogOpen.value = true
 }
 async function confirmAddContainer() {
+  if (saving.value) return
   const spec = selectedVehicleSpec.value
   if (!spec) {
     ElMessage.warning('请选择车型')
@@ -224,6 +226,7 @@ async function confirmAddContainer() {
 
 async function movePallet(item: DispatchPalletCandidateDto, containerId: string) {
   const id = palletId(item)
+  if (saving.value || busyPalletIds.value.includes(id)) return
   const target = containers.value.find((container) => container.id === containerId)
   if (!target || target.palletIds.includes(id)) return
   if (!String(item.overseasWarehouseId || '').trim()) {
@@ -267,6 +270,7 @@ async function movePallet(item: DispatchPalletCandidateDto, containerId: string)
 }
 
 async function removePallet(id: string) {
+  if (saving.value || busyPalletIds.value.includes(id)) return
   const owner = containerFor(id)
   if (!owner) return
   busyPalletIds.value.push(id)
@@ -282,6 +286,7 @@ async function removePallet(id: string) {
 }
 
 async function deleteContainer(container: LoadingContainer) {
+  if (saving.value) return
   for (const id of [...container.palletIds]) {
     await removePallet(id)
   }
@@ -300,10 +305,16 @@ function dropInto(event: DragEvent, containerId: string) {
 }
 
 async function close(value = false) {
+  if (saving.value) return
   emit('update:modelValue', value)
 }
 
 async function submit() {
+  if (saving.value) return
+  if (busyPalletIds.value.length) {
+    ElMessage.warning('托盘来源正在锁定，请稍后再预排车')
+    return
+  }
   if (loading.value || unresolvedAssignedIds.value.length) {
     ElMessage.warning('草稿中部分已选来源尚未恢复，请重试加载后再预排；原选择已保留')
     return
@@ -312,6 +323,18 @@ async function submit() {
     ElMessage.warning('请至少移入一个托盘')
     return
   }
+  const selectedContainers = containers.value.filter(container => container.palletIds.length > 0)
+  if (new Set(assignedIds.value).size !== assignedIds.value.length
+    || selectedContainers.some(container => !container.id.trim())
+    || new Set(selectedContainers.map(container => container.id)).size !== selectedContainers.length) {
+    ElMessage.warning('草稿中存在重复托盘或无效装车容器，请核对分组；原草稿已保留')
+    return
+  }
+  if (assigned.value.some(item => item.sourceType === 'RETURN_RECEIPT'
+    ? !String(item.returnReceiptId || '').trim() : !String(item.planPalletId || '').trim())) {
+    ElMessage.warning('所选托盘来源标识缺失，请重新加载核对；原草稿已保留')
+    return
+  }
   if (assigned.value.some((item) => !String(item.overseasWarehouseId || '').trim())) {
     ElMessage.warning('所选托盘中存在尚未关联海外仓的托盘')
     return
@@ -326,14 +349,39 @@ async function submit() {
     ElMessage.warning('一张换标单的托盘需要单独排车')
     return
   }
+  if (relabelOrders.length && selectedContainers.length !== 1) {
+    ElMessage.warning('一张换标单仅支持一组排车，请将全部托盘移入同一个装车容器')
+    return
+  }
   saving.value = true
   mutationError.value = null
   try {
-    await preArrangeDispatch({
-      planPalletIds: assigned.value.filter(item => item.sourceType !== 'RETURN_RECEIPT').map(palletId),
-      returnReceiptIds: assigned.value.filter(item => item.sourceType === 'RETURN_RECEIPT').map(item => String(item.returnReceiptId)),
-      ...(relabelOrders.length ? { relabelNo: relabelOrders[0] } : { draftToken: ensureDraftToken() }),
-    })
+    if (relabelOrders.length) {
+      await preArrangeDispatch({
+        planPalletIds: assigned.value.filter(item => item.sourceType !== 'RETURN_RECEIPT').map(palletId),
+        returnReceiptIds: assigned.value.filter(item => item.sourceType === 'RETURN_RECEIPT').map(item => String(item.returnReceiptId)),
+        relabelNo: relabelOrders[0],
+      })
+    } else {
+      const groups = selectedContainers.map(container => {
+        const sources = container.palletIds.map(id => palletSnapshot(id)!)
+        return {
+          draftContainerId: container.id,
+          planPalletIds: sources.filter(item => item.sourceType !== 'RETURN_RECEIPT').map(item => String(item.planPalletId)),
+          returnReceiptIds: sources.filter(item => item.sourceType === 'RETURN_RECEIPT').map(item => String(item.returnReceiptId)),
+        }
+      })
+      const results = await preArrangeDraftDispatch({ draftToken: ensureDraftToken(), groups })
+      const expectedIds = new Set(groups.map(group => group.draftContainerId))
+      if (!Array.isArray(results) || results.length !== groups.length
+        || results.some(result => !result || typeof result.draftContainerId !== 'string'
+          || typeof result.dispatch?.dispatchNo !== 'string' || !result.dispatch.dispatchNo.trim())
+        || new Set(results.map(result => result.draftContainerId)).size !== groups.length
+        || results.some(result => !expectedIds.has(result.draftContainerId))
+        || new Set(results.map(result => result.dispatch.dispatchNo)).size !== groups.length) {
+        throw new Error('预排车返回的分组结果与原草稿不一致，原草稿已保留，请核对保存结果')
+      }
+    }
     emit('update:modelValue', false)
     emit('created')
     ElMessage.success('排车明细已同步到预排列表')
@@ -541,14 +589,14 @@ watch([warehouseTab, () => query.orderType], () => {
               ><span
  >托数 <b>{{ container.palletIds.length }}</b
                 >/{{ container.capacity }} · 重量 <b>{{ formatWeightLb(containerWeightLb(container)) }}</b>/{{ container.maxWeightLb }}LB <em v-if="containerOverweight(container)">超限10%</em></span
-              ><el-button class="density-action" data-tone="danger" :aria-label="`删除装车车型${index + 1}`" @click="deleteContainer(container)">删除</el-button>
+              ><el-button class="density-action" data-tone="danger" :disabled="saving" :aria-label="`删除装车车型${index + 1}`" @click="deleteContainer(container)">删除</el-button>
             </div>
             <div class="container-body">
               <div v-for="id in container.palletIds" :key="id" class="loaded-pallet">
                 <span
  ><strong>{{ text(palletSnapshot(id)?.palletNo || '托盘号待补充') }}</strong
                   ><OrderReferenceText :value="text(palletSnapshot(id)?.orderNo)" /></span
-                ><el-button class="density-action" data-tone="danger" :loading="busyPalletIds.includes(id)" @click="removePallet(id)">移除</el-button>
+                ><el-button class="density-action" data-tone="danger" :disabled="saving" :loading="busyPalletIds.includes(id)" @click="removePallet(id)">移除</el-button>
               </div>
               <span v-if="!container.palletIds.length" class="drop-hint">拖入托盘，移入后立即锁定</span>
             </div>
@@ -560,7 +608,7 @@ watch([warehouseTab, () => query.orderType], () => {
 
     <template #footer><footer class="dialog-footer">
       <span>托盘移入即锁定，重量按 1kg = 2.2046lb 换算。</span>
-      <div><el-button :disabled="saving" @click="close(false)">取消</el-button><el-button type="primary" :loading="saving" :disabled="!assignedIds.length" @click="submit">预排车</el-button></div>
+      <div><el-button :disabled="saving" @click="close(false)">取消</el-button><el-button type="primary" :loading="saving" :disabled="!assignedIds.length || busyPalletIds.length > 0" @click="submit">预排车</el-button></div>
     </footer></template>
   </AppDialog>
   <el-dialog class="admin-density-dialog" v-model="vehicleDialogOpen" title="选择车型" width="360px" append-to-body>