feat(worker): support batch sharing cancellation

apps/backend/src/repositories/worker-platform/shared.ts

@@ -61,3 +61,57 @@ export function resolveWorkOrderShareCancellationStatus(
   if (!['joined', 'submitted'].includes(shareStatus)) return null
   return 'open'
 }
+
+/**
+ * 校验母单级拼单撤单。退回大厅只影响尚未验收的份额；取消整单则不能存在已验收份额，
+ * 否则必须经售后处理已结算的报酬和订单退款。
+ */
+export function resolveWorkOrderSharingCancellationPlan(
+  workOrderStatus: string,
+  shareStatuses: string[],
+  action: 'return_to_hall' | 'cancel_order',
+): {
+  nextOrderStatus: 'open' | 'cancelled' | null
+  cancellableShareCount: number
+  acceptedShareCount: number
+  failureReason:
+    | 'work_order_not_cancellable'
+    | 'no_cancellable_shares'
+    | 'accepted_shares_present'
+    | null
+} {
+  if (!['open', 'pending_acceptance', 'in_progress'].includes(workOrderStatus)) {
+    return {
+      nextOrderStatus: null,
+      cancellableShareCount: 0,
+      acceptedShareCount: 0,
+      failureReason: 'work_order_not_cancellable',
+    }
+  }
+  const cancellableShareCount = shareStatuses.filter((status) =>
+    ['joined', 'submitted'].includes(status),
+  ).length
+  const acceptedShareCount = shareStatuses.filter((status) => status === 'accepted').length
+  if (cancellableShareCount === 0) {
+    return {
+      nextOrderStatus: null,
+      cancellableShareCount,
+      acceptedShareCount,
+      failureReason: 'no_cancellable_shares',
+    }
+  }
+  if (action === 'cancel_order' && acceptedShareCount > 0) {
+    return {
+      nextOrderStatus: null,
+      cancellableShareCount,
+      acceptedShareCount,
+      failureReason: 'accepted_shares_present',
+    }
+  }
+  return {
+    nextOrderStatus: action === 'return_to_hall' ? 'open' : 'cancelled',
+    cancellableShareCount,
+    acceptedShareCount,
+    failureReason: null,
+  }
+}

apps/backend/src/repositories/worker-platform/types.ts

@@ -473,6 +473,7 @@ export type WorkOrderCapabilities = {
   canReopen: boolean
   canPublish: boolean
   canCancel: boolean
+  canCancelSharing: boolean
   canResolveProblem: boolean
   canDeduct: boolean
   canConfirmFriend: boolean

apps/backend/src/repositories/worker-platform/work-order-repo.ts

@@ -28,4 +28,5 @@ export {
   acceptWorkOrderAndSettle,
   acceptWorkOrderShareAndSettle,
   cancelWorkOrderShare,
+  cancelWorkOrderSharing,
 } from './work-order-settlement-repo.js'

apps/backend/src/repositories/worker-platform/work-order-settlement-repo.ts

@@ -5,6 +5,7 @@ import {
   getWorkerWalletWithClient,
   WORK_ORDER_SHARE_SELECT,
   resolveWorkOrderShareCancellationStatus,
+  resolveWorkOrderSharingCancellationPlan,
 } from './shared.js'
 import { createWorkOrderEventWithClient } from './work-order-event-repo.js'
 import { getWorkOrderByIdWithClient } from './work-order-query-repo.js'
@@ -740,3 +741,165 @@ export async function cancelWorkOrderShare(input: {
     }
   })
 }
+
+/**
+ * 母单级拼单撤单。只撤回尚未验收的 joined/submitted 份额；已验收份额保留，
+ * 取消整单时则要求不存在已验收份额，避免绕过售后和已结算资金处理。
+ */
+export async function cancelWorkOrderSharing(input: {
+  workOrderId: number
+  action: 'return_to_hall' | 'cancel_order'
+  now: string
+  reason?: string
+  actorName?: string
+}): Promise<{
+  order: WorkOrderRow | null
+  cancelledShareIds: number[]
+  cancelledWorkerIds: number[]
+  cancelledShareCount: number
+  releasedDepositAmount: number
+  failureReason:
+    | 'work_order_not_cancellable'
+    | 'no_cancellable_shares'
+    | 'accepted_shares_present'
+    | null
+}> {
+  return withTransaction(async (client) => {
+    const orderResult = await client.query<WorkOrderRow>(
+      `SELECT * FROM work_orders WHERE id = $1 FOR UPDATE`,
+      [input.workOrderId],
+    )
+    const workOrder = orderResult.rows[0] || null
+    if (!workOrder || workOrder.sharing_enabled !== true) {
+      return {
+        order: workOrder,
+        cancelledShareIds: [],
+        cancelledWorkerIds: [],
+        cancelledShareCount: 0,
+        releasedDepositAmount: 0,
+        failureReason: 'work_order_not_cancellable',
+      }
+    }
+    const sharesResult = await client.query<WorkOrderShareRow>(
+      `SELECT * FROM work_order_shares
+       WHERE work_order_id = $1 AND status != 'cancelled'
+       ORDER BY id ASC
+       FOR UPDATE`,
+      [input.workOrderId],
+    )
+    const shares = sharesResult.rows
+    const plan = resolveWorkOrderSharingCancellationPlan(
+      workOrder.status,
+      shares.map((share) => share.status),
+      input.action,
+    )
+    if (!plan.nextOrderStatus) {
+      return {
+        order: workOrder,
+        cancelledShareIds: [],
+        cancelledWorkerIds: [],
+        cancelledShareCount: plan.cancellableShareCount,
+        releasedDepositAmount: 0,
+        failureReason: plan.failureReason,
+      }
+    }
+
+    const cancellableShares = shares.filter((share) => ['joined', 'submitted'].includes(share.status))
+    let releasedDepositAmount = 0
+    for (const share of cancellableShares) {
+      const workerId = Number(share.worker_id || 0)
+      if (workerId <= 0) continue
+      await ensureWorkerWalletWithClient(client, workerId, input.now)
+      const wallet = await getWorkerWalletWithClient(client, workerId)
+      const releaseAmount = Math.min(
+        Number(share.share_deposit || 0),
+        Number(wallet?.frozen_deposit_amount || 0),
+      )
+      if (releaseAmount <= 0) continue
+      const nextAvailable = Number(wallet?.available_amount || 0) + releaseAmount
+      const nextFrozen = Math.max(0, Number(wallet?.frozen_deposit_amount || 0) - releaseAmount)
+      await client.query(
+        `UPDATE worker_wallets
+         SET available_amount = $1, frozen_deposit_amount = $2, updated_at = $3
+         WHERE worker_id = $4`,
+        [nextAvailable, nextFrozen, input.now, workerId],
+      )
+      await client.query(
+        `INSERT INTO worker_wallet_ledgers (
+           worker_id, ledger_type, amount, balance_after, frozen_after,
+           related_work_order_id, note, payload_json, created_at
+         ) VALUES ($1, 'deposit_release', $2, $3, $4, $5, '后台批量撤销拼单份额退还押金', $6::jsonb, $7)`,
+        [
+          workerId,
+          releaseAmount,
+          nextAvailable,
+          nextFrozen,
+          input.workOrderId,
+          JSON.stringify({
+            workOrderId: input.workOrderId,
+            shareId: Number(share.id),
+            action: input.action,
+            reason: String(input.reason || '').trim(),
+          }),
+          input.now,
+        ],
+      )
+      releasedDepositAmount += releaseAmount
+    }
+
+    const cancelledShareIds = cancellableShares.map((share) => Number(share.id))
+    const cancelledWorkerIds = [
+      ...new Set(cancellableShares.map((share) => Number(share.worker_id || 0)).filter(Boolean)),
+    ]
+    await client.query(
+      `UPDATE work_order_shares
+       SET status = 'cancelled', updated_at = $1
+       WHERE id = ANY($2::bigint[])`,
+      [input.now, cancelledShareIds],
+    )
+    if (input.action === 'return_to_hall') {
+      await client.query(
+        `UPDATE work_orders
+         SET status = 'open', submitted_at = NULL, published_at = COALESCE(published_at, $1),
+             hall_queued_at = $1, updated_at = $1
+         WHERE id = $2`,
+        [input.now, input.workOrderId],
+      )
+    } else {
+      await client.query(
+        `UPDATE work_orders
+         SET status = 'cancelled', assigned_worker_id = NULL, assigned_at = NULL, deadline_at = NULL,
+             submitted_at = NULL, published_at = NULL, pinned_at = NULL, updated_at = $1
+         WHERE id = $2`,
+        [input.now, input.workOrderId],
+      )
+    }
+    await createWorkOrderEventWithClient(client, {
+      workOrderId: input.workOrderId,
+      actorType: 'admin',
+      actorId: input.actorName || '',
+      eventType:
+        input.action === 'return_to_hall'
+          ? 'sharing_unaccepted_shares_returned_to_hall_by_admin'
+          : 'sharing_order_cancelled_by_admin',
+      fromStatus: workOrder.status,
+      toStatus: plan.nextOrderStatus,
+      payloadJson: JSON.stringify({
+        cancelledShareIds,
+        cancelledShareCount: cancelledShareIds.length,
+        acceptedShareCount: plan.acceptedShareCount,
+        releasedDepositAmount,
+        reason: String(input.reason || '').trim(),
+      }),
+      now: input.now,
+    })
+    return {
+      order: await getWorkOrderByIdWithClient(client, input.workOrderId),
+      cancelledShareIds,
+      cancelledWorkerIds,
+      cancelledShareCount: cancelledShareIds.length,
+      releasedDepositAmount,
+      failureReason: null,
+    }
+  })
+}

apps/backend/src/routes/admin/worker-platform/acceptance.ts

@@ -4,11 +4,12 @@ import {
   acceptAdminWorkOrder,
   acceptAdminWorkOrderShare,
   cancelAdminWorkOrderShare,
+  cancelAdminWorkOrderSharing,
   deductAdminWorkOrderPendingDeposit,
   markAdminWorkOrderProblem,
   resolveAdminProblemWorkOrder,
 } from '../../../services/worker-platform/index.js'
-import { createJsonHandler, requireAdminPermission } from '../session.js'
+import { createJsonHandler, requireAdminPermission, requireAnyAdminPermission } from '../session.js'
 
 const router = Router()
 
@@ -104,6 +105,34 @@ router.post(
   ),
 )
 
+router.post(
+  '/worker-platform/orders/:workOrderId/sharing/cancel',
+  requireAnyAdminPermission(['worker_order.return_to_hall', 'worker_order.cancel']),
+  createJsonHandler(
+    (req) =>
+      cancelAdminWorkOrderSharing(
+        String(req.params.workOrderId || ''),
+        req.body || {},
+        req.adminSession?.username || '',
+        req.adminSession?.permissions || [],
+      ),
+    {
+      successMessage: '拼单撤单处理完成',
+      errorMessage: '拼单撤单失败',
+      scope: '[admin/worker-platform/orders/:workOrderId/sharing/cancel]',
+      audit: (req, data) => ({
+        action:
+          String(req.body?.action || '').trim() === 'return_to_hall'
+            ? 'work_order_sharing_returned_to_hall'
+            : 'work_order_sharing_cancelled',
+        targetType: 'work_order',
+        targetId: String(req.params.workOrderId || ''),
+        data: data && typeof data === 'object' ? (data as Record<string, unknown>) : {},
+      }),
+    },
+  ),
+)
+
 router.post(
   '/worker-platform/orders/:workOrderId/shares/:shareId/cancel',
   requireAdminPermission('worker_order.cancel_share'),

apps/backend/src/services/worker-platform/admin-work-order-acceptance-service.ts

@@ -3,6 +3,7 @@ import {
   acceptWorkOrderAndSettle,
   acceptWorkOrderShareAndSettle,
   cancelWorkOrderShare,
+  cancelWorkOrderSharing,
   countWorkOrderPendingSharingSubmissions,
   updateWorkOrder,
 } from '../../repositories/worker-platform/index.js'
@@ -157,6 +158,81 @@ export async function cancelAdminWorkOrderShare(
   }
 }
 
+export async function cancelAdminWorkOrderSharing(
+  workOrderId: number | string,
+  payload: JsonObject = {},
+  actorName = '',
+  actorPermissions: string[] = [],
+) {
+  const action = String(payload.action || '').trim()
+  if (!['return_to_hall', 'cancel_order'].includes(action)) {
+    throw createHttpError('请选择拼单撤单处理方式', {
+      statusCode: 400,
+      errorCode: 'work_order_sharing_cancel_action_required',
+    })
+  }
+  const requiredPermission =
+    action === 'return_to_hall' ? 'worker_order.return_to_hall' : 'worker_order.cancel'
+  if (!actorPermissions.includes(requiredPermission)) {
+    throw createHttpError('当前账号没有此拼单撤单权限', {
+      statusCode: 403,
+      errorCode: 'admin_permission_denied',
+    })
+  }
+  const reason = String(payload.reason || '').trim()
+  if (action === 'cancel_order' && !reason) {
+    throw createHttpError('取消拼单订单时请填写退款或撤单原因', {
+      statusCode: 400,
+      errorCode: 'work_order_sharing_cancel_reason_required',
+    })
+  }
+  const result = await cancelWorkOrderSharing({
+    workOrderId: Number(workOrderId),
+    action: action as 'return_to_hall' | 'cancel_order',
+    reason,
+    now: nowIso(),
+    actorName,
+  })
+  if (result.failureReason === 'work_order_not_cancellable') {
+    throw createHttpError('当前订单不是可撤单的拼单', {
+      statusCode: 409,
+      errorCode: 'work_order_sharing_cancel_status_invalid',
+    })
+  }
+  if (result.failureReason === 'no_cancellable_shares') {
+    throw createHttpError('没有可撤销的未验收拼单份额', {
+      statusCode: 409,
+      errorCode: 'work_order_sharing_cancel_no_cancellable_shares',
+    })
+  }
+  if (result.failureReason === 'accepted_shares_present') {
+    throw createHttpError('存在已验收份额，不能取消整单；请通过售后处理退款', {
+      statusCode: 409,
+      errorCode: 'work_order_sharing_cancel_accepted_shares_present',
+    })
+  }
+  if (!result.order) {
+    throw createHttpError('拼单撤单失败，订单状态可能已变化', {
+      statusCode: 409,
+      errorCode: 'work_order_sharing_cancel_conflict',
+    })
+  }
+  const activeWorkerIds = await resolveWorkOrderRealtimeWorkerIds(result.order)
+  const workerIds = [...new Set([...activeWorkerIds, ...result.cancelledWorkerIds])]
+  publishWorkOrderRealtimeChange({
+    workOrderId: Number(workOrderId),
+    workerIds,
+    hallChanged: action === 'return_to_hall',
+  })
+  for (const workerId of result.cancelledWorkerIds) publishWorkerWalletRealtimeChange(workerId)
+  return {
+    order: mapWorkOrderAdmin(result.order),
+    action,
+    cancelledShareCount: result.cancelledShareCount,
+    releasedDepositAmount: result.releasedDepositAmount,
+  }
+}
+
 export async function acceptAdminWorkOrders(payload: JsonObject = {}, actorName = '') {
   const workOrderIds = [
     ...new Set(

apps/backend/src/services/worker-platform/index.ts

@@ -51,6 +51,7 @@ export {
   acceptAdminWorkOrderShare,
   acceptAdminWorkOrders,
   cancelAdminWorkOrderShare,
+  cancelAdminWorkOrderSharing,
 } from './admin-work-order-acceptance-service.js'
 export * from './worker-product-match-config-service.js'
 export * from './worker-announcement-config-service.js'

apps/backend/src/services/worker-platform/work-order-display-mappers.ts

@@ -174,6 +174,10 @@ export function mapWorkOrderAdmin(workOrder: WorkOrderRow, shares?: WorkOrderSha
     canPublish:
       workOrder.status === WORK_ORDER_STATUS.UNASSIGNED && Number(workOrder.reward_amount || 0) > 0,
     canCancel: status === WORK_ORDER_STATUS.IN_PROGRESS && Boolean(workOrder.assigned_worker_id),
+    canCancelSharing:
+      workOrder.sharing_enabled === true &&
+      hasActiveShares &&
+      ['open', 'pending_acceptance', 'in_progress'].includes(workOrder.status),
     canResolveProblem: workOrder.status === WORK_ORDER_STATUS.PROBLEM,
     canDeduct: workOrder.status === WORK_ORDER_STATUS.ACCEPTED,
     canConfirmFriend:

apps/backend/src/services/worker-platform/worker-platform-service.test.ts

@@ -13,6 +13,7 @@ import type {
 import {
   buildWorkOrderWhere,
   resolveWorkOrderShareCancellationStatus,
+  resolveWorkOrderSharingCancellationPlan,
   resolveWorkOrderShareJoinQuantity,
   resolveOpenSharingSyncReward,
 } from '../../repositories/worker-platform/index.js'
@@ -991,6 +992,7 @@ test('后台拼单聚合状态同时收敛筛选语义和操作能力', () => {
   assert.equal(partial.capabilities.canConfigureSharing, false)
   assert.equal(partial.capabilities.canAssign, false)
   assert.equal(partial.capabilities.canUpdateMaterial, true)
+  assert.equal(partial.capabilities.canCancelSharing, true)
 
   const filled = mapWorkOrderAdmin(
     buildWorkOrderRow({
@@ -1005,6 +1007,7 @@ test('后台拼单聚合状态同时收敛筛选语义和操作能力', () => {
   assert.equal(filled.hallAvailable, false)
   assert.equal(filled.capabilities.canAccept, true)
   assert.equal(filled.capabilities.canUnpublish, false)
+  assert.equal(filled.capabilities.canCancelSharing, true)
 })
 
 test('已取消工单可重新启用，恢复未分配后可编辑和发布', () => {
@@ -1051,6 +1054,44 @@ test('拼单份额撤单只允许未验收份额并让母工单回到大厅状
   assert.equal(resolveWorkOrderShareCancellationStatus('open', 'cancelled'), null)
 })
 
+test('拼单母单撤单区分退回大厅和取消整单的验收边界', () => {
+  assert.deepEqual(
+    resolveWorkOrderSharingCancellationPlan(
+      'pending_acceptance',
+      ['submitted', 'accepted'],
+      'return_to_hall',
+    ),
+    {
+      nextOrderStatus: 'open',
+      cancellableShareCount: 1,
+      acceptedShareCount: 1,
+      failureReason: null,
+    },
+  )
+  assert.equal(
+    resolveWorkOrderSharingCancellationPlan(
+      'pending_acceptance',
+      ['submitted', 'accepted'],
+      'cancel_order',
+    ).failureReason,
+    'accepted_shares_present',
+  )
+  assert.deepEqual(
+    resolveWorkOrderSharingCancellationPlan('open', ['joined', 'submitted'], 'cancel_order'),
+    {
+      nextOrderStatus: 'cancelled',
+      cancellableShareCount: 2,
+      acceptedShareCount: 0,
+      failureReason: null,
+    },
+  )
+  assert.equal(
+    resolveWorkOrderSharingCancellationPlan('accepted', ['submitted'], 'return_to_hall')
+      .failureReason,
+    'work_order_not_cancellable',
+  )
+})
+
 test('问题单退回打手按标记前状态恢复', () => {
   assert.equal(resolveProblemReturnToWorkerStatus('pending_acceptance'), 'pending_acceptance')
   assert.equal(resolveProblemReturnToWorkerStatus('open'), 'open')

apps/frontend/src/components/WorkOrderEventTimeline.tsx

@@ -313,6 +313,22 @@ export function formatWorkOrderEvent(event: WorkOrderEvent): EventNodeStyle {
         color: 'red',
       }
     }
+    case 'sharing_unaccepted_shares_returned_to_hall_by_admin': {
+      const count = readPayload(event, 'cancelledShareCount')
+      return {
+        title: `批量撤回未验收拼单份额${count ? `（${count} 个）` : ''}`,
+        description: note ? `原因：${note}` : '对应数量已重新开放到接单大厅',
+        color: 'orange',
+      }
+    }
+    case 'sharing_order_cancelled_by_admin': {
+      const count = readPayload(event, 'cancelledShareCount')
+      return {
+        title: `取消拼单订单${count ? `（已撤销 ${count} 个参与份额）` : ''}`,
+        description: note ? `原因：${note}` : undefined,
+        color: 'red',
+      }
+    }
     case 'pending_deposit_deducted':
       return { title: '扣减了待解冻押金', color: 'default' }
     case 'voucher_backfilled':

apps/frontend/src/pages/admin/panels/WorkOrdersPanel.tsx

@@ -49,6 +49,7 @@ import {
   assignAdminWorkOrderToWorker,
   cancelAdminWorkOrder,
   cancelAdminWorkOrderShare,
+  cancelAdminWorkOrderSharing,
   confirmAdminWorkOrderFriend,
   deductAdminWorkOrderPendingDeposit,
   deleteAdminWorkOrder,
@@ -146,6 +147,11 @@ type CancelShareFormValues = {
   reason?: string
 }
 
+type CancelSharingFormValues = {
+  action?: 'return_to_hall' | 'cancel_order'
+  reason?: string
+}
+
 export default function WorkOrdersPanel() {
   const { message, modal } = App.useApp()
   const navigate = useNavigate()
@@ -221,6 +227,7 @@ export default function WorkOrdersPanel() {
   const [materialPasteText, setMaterialPasteText] = useState('')
   const [sharingOrder, setSharingOrder] = useState<WorkOrder | null>(null)
   const [cancelShare, setCancelShare] = useState<WorkOrderShare | null>(null)
+  const [cancelSharingOrder, setCancelSharingOrder] = useState<WorkOrder | null>(null)
   const [assignOrder, setAssignOrder] = useState<WorkOrder | null>(null)
   const [assignWorkerId, setAssignWorkerId] = useState<number | undefined>(undefined)
   const [editOrder, setEditOrder] = useState<WorkOrder | null>(null)
@@ -232,6 +239,7 @@ export default function WorkOrdersPanel() {
   const [materialForm] = Form.useForm<MaterialFormValues>()
   const [cancelForm] = Form.useForm<CancelOrderFormValues>()
   const [cancelShareForm] = Form.useForm<CancelShareFormValues>()
+  const [cancelSharingForm] = Form.useForm<CancelSharingFormValues>()
   const [deductForm] = Form.useForm<{ amount?: number; note?: string }>()
   const [editForm] = Form.useForm<{
     productName?: string
@@ -335,6 +343,11 @@ export default function WorkOrdersPanel() {
     queryFn: () => fetchAdminWorkOrderSharing(Number(sharingOrder?.workOrderId)),
     enabled: Boolean(sharingOrder),
   })
+  const sharingShares = sharingQuery.data?.data.shares || []
+  const hasCancellableSharingShares = sharingShares.some((share) =>
+    ['joined', 'submitted'].includes(share.status),
+  )
+  const hasAcceptedSharingShares = sharingShares.some((share) => share.status === 'accepted')
   const assignWorkersQuery = useQuery({
     queryKey: ['admin-worker-platform-workers', 'assign', assignWorkerKeyword],
     queryFn: () =>
@@ -498,6 +511,28 @@ export default function WorkOrdersPanel() {
     cancelShareForm.resetFields()
   }
 
+  async function submitCancelSharing(values: CancelSharingFormValues) {
+    if (!cancelSharingOrder || !values.action) return
+    const action = values.action
+    const succeeded = await runAction(
+      () =>
+        cancelAdminWorkOrderSharing(cancelSharingOrder.workOrderId, {
+          action,
+          reason: String(values.reason || '').trim(),
+        }),
+      (result) =>
+        action === 'return_to_hall'
+          ? `已撤回 ${result.data.cancelledShareCount} 个未验收份额并退回大厅`
+          : `拼单订单已取消，已撤销 ${result.data.cancelledShareCount} 个参与份额`,
+    )
+    if (!succeeded) return
+    await queryClient.invalidateQueries({
+      queryKey: ['admin-worker-platform-order-sharing', cancelSharingOrder.workOrderId],
+    })
+    setCancelSharingOrder(null)
+    cancelSharingForm.resetFields()
+  }
+
   async function refreshAll() {
     await Promise.all([
       queryClient.invalidateQueries({
@@ -1097,7 +1132,7 @@ export default function WorkOrdersPanel() {
           (row.capabilities?.canConfigureSharing && canConfigureSharing) ? (
             <Button icon={<TeamOutlined />} onClick={() => openSharingConfigModal(row)}>
               {row.sharing?.enabled && !row.capabilities?.canConfigureSharing
-                ? '拼单明细'
+                ? '拼单管理'
                 : '拼单配置'}
             </Button>
           ) : null}
@@ -2148,8 +2183,10 @@ export default function WorkOrdersPanel() {
         onCancel={() => {
           setSharingOrder(null)
           setCancelShare(null)
+          setCancelSharingOrder(null)
           sharingForm.resetFields()
           cancelShareForm.resetFields()
+          cancelSharingForm.resetFields()
         }}
         onOk={() => sharingForm.submit()}
         footer={
@@ -2237,10 +2274,46 @@ export default function WorkOrdersPanel() {
               ) : (sharingQuery.data?.data.shares || []).length === 0 ? (
                 <Typography.Text type="secondary">暂无打手参与拼单</Typography.Text>
               ) : (
+                <>
+                  {sharingOrder.capabilities?.canCancelSharing &&
+                  hasCancellableSharingShares &&
+                  (canReturnToHall || canCancelOrder) ? (
+                    <Space
+                      direction="vertical"
+                      size={8}
+                      className="full-width"
+                      style={{ marginBottom: 12 }}
+                    >
+                      <Alert
+                        showIcon
+                        type="warning"
+                        message="拼单撤单会批量处理所有未验收份额"
+                        description={
+                          hasAcceptedSharingShares
+                            ? '已验收份额会保留；如需退款，请从售后处理。'
+                            : '可选择把未验收份额退回大厅，或取消整个拼单订单。'
+                        }
+                      />
+                      <div>
+                        <Button
+                          danger
+                          onClick={() => {
+                            setCancelSharingOrder(sharingOrder)
+                            cancelSharingForm.setFieldsValue({
+                              action: canReturnToHall ? 'return_to_hall' : 'cancel_order',
+                              reason: '',
+                            })
+                          }}
+                        >
+                          拼单撤单处理
+                        </Button>
+                      </div>
+                    </Space>
+                  ) : null}
                   <Table<WorkOrderShare>
                     rowKey="shareId"
                     size="small"
-                  dataSource={sharingQuery.data?.data.shares || []}
+                    dataSource={sharingShares}
                     loading={sharingQuery.isFetching}
                     pagination={false}
                     columns={[
@@ -2331,12 +2404,13 @@ export default function WorkOrdersPanel() {
                                 danger
                                 size="small"
                                 icon={<UndoOutlined />}
+                                title="只撤销当前参与者的拼单份额，其他参与者不受影响"
                                 onClick={() => {
                                   setCancelShare(share)
                                   cancelShareForm.setFieldsValue({ reason: '' })
                                 }}
                               >
-                                撤单
+                                单人撤单
                               </Button>
                             ) : null}
                             </Space>
@@ -2345,6 +2419,7 @@ export default function WorkOrdersPanel() {
                       },
                     ]}
                   />
+                </>
               )}
             </Card>
           </Space>
@@ -2381,6 +2456,66 @@ export default function WorkOrdersPanel() {
           </Form>
         ) : null}
       </Modal>
+
+      <Modal
+        title={`拼单撤单处理 · ${getDisplayOrderNo(cancelSharingOrder)}`}
+        open={Boolean(cancelSharingOrder)}
+        onCancel={() => {
+          setCancelSharingOrder(null)
+          cancelSharingForm.resetFields()
+        }}
+        onOk={() => cancelSharingForm.submit()}
+        destroyOnHidden
+      >
+        {cancelSharingOrder ? (
+          <Form form={cancelSharingForm} layout="vertical" onFinish={submitCancelSharing}>
+            <Alert
+              showIcon
+              type="warning"
+              message="将批量处理所有未验收的拼单份额"
+              description="退回大厅会释放未验收份额的押金并重新开放对应数量；取消整单仅在不存在已验收份额时可用。"
+              style={{ marginBottom: 16 }}
+            />
+            <Form.Item
+              label="处理方式"
+              name="action"
+              rules={[{ required: true, message: '请选择拼单撤单处理方式' }]}
+            >
+              <Radio.Group>
+                <Space direction="vertical">
+                  {canReturnToHall ? (
+                    <Radio value="return_to_hall">
+                      退回大厅：撤回所有未验收份额，空出数量重新开放给其他打手
+                    </Radio>
+                  ) : null}
+                  {canCancelOrder ? (
+                    <Radio value="cancel_order">
+                      取消整单：终止订单；存在已验收份额时不可用，需转售后处理
+                    </Radio>
+                  ) : null}
+                </Space>
+              </Radio.Group>
+            </Form.Item>
+            <Form.Item
+              label="处理原因"
+              name="reason"
+              dependencies={['action']}
+              rules={[
+                ({ getFieldValue }) => ({
+                  validator(_, value) {
+                    if (getFieldValue('action') !== 'cancel_order' || String(value || '').trim()) {
+                      return Promise.resolve()
+                    }
+                    return Promise.reject(new Error('取消整单时请填写退款或撤单原因'))
+                  },
+                }),
+              ]}
+            >
+              <Input.TextArea rows={3} placeholder="取消整单时请填写退款原因；退回大厅可选填" />
+            </Form.Item>
+          </Form>
+        ) : null}
+      </Modal>
     </section>
   )
 }

apps/frontend/src/services/admin/worker-platform.ts

@@ -728,6 +728,21 @@ export function cancelAdminWorkOrderShare(
   }>(`/api/v1/admin/worker-platform/orders/${workOrderId}/shares/${shareId}/cancel`, payload)
 }
 
+export function cancelAdminWorkOrderSharing(
+  workOrderId: number,
+  payload: {
+    action: 'return_to_hall' | 'cancel_order'
+    reason?: string
+  },
+) {
+  return apiPost<{
+    order: WorkOrder
+    action: 'return_to_hall' | 'cancel_order'
+    cancelledShareCount: number
+    releasedDepositAmount: number
+  }>(`/api/v1/admin/worker-platform/orders/${workOrderId}/sharing/cancel`, payload)
+}
+
 export function acceptAdminWorkOrders(workOrderIds: number[]) {
   return apiPost<{ orders: WorkOrder[] }>('/api/v1/admin/worker-platform/orders/accept-batch', {
     workOrderIds,

apps/frontend/src/types/worker-platform.ts

@@ -550,6 +550,7 @@ export type WorkOrder = {
     canReopen: boolean
     canPublish: boolean
     canCancel: boolean
+    canCancelSharing?: boolean
     canResolveProblem: boolean
     canDeduct: boolean
     canConfirmFriend?: boolean