接单工单支持任务时限，超时自动判定失败并处置

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

@@ -113,6 +113,8 @@ export default function ProductRulesPanel() {
     sharingTotalQuantity?: number
     sharingUnitReward?: number
     sharingTotalAmount?: number
+    timeoutMinutes?: number
+    timeoutPolicy?: string
     fieldsText?: string
     enabled?: boolean
     autoCreate?: boolean
@@ -389,6 +391,27 @@ export default function ProductRulesPanel() {
           >
             <Input.TextArea rows={4} />
           </Form.Item>
+          <Form.Item
+            label="默认任务时限"
+            name="timeoutMinutes"
+            tooltip="自动创建的工单继承该时限，打手抢单后开始计时；0 表示不限时"
+          >
+            <InputNumber min={0} step={5} addonAfter="分钟" />
+          </Form.Item>
+          <Form.Item
+            label="默认超时策略"
+            name="timeoutPolicy"
+            tooltip="reopen：释放押金退回大厅；cancel_release：取消退押金；cancel_deduct：取消扣押金"
+          >
+            <Select
+              style={{ width: 260 }}
+              options={[
+                { value: 'reopen', label: '释放押金退回大厅' },
+                { value: 'cancel_release', label: '取消订单并退还押金' },
+                { value: 'cancel_deduct', label: '取消订单并扣除押金' },
+              ]}
+            />
+          </Form.Item>
           <Button type="primary" htmlType="submit">
             保存规则
           </Button>

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

@@ -87,6 +87,8 @@ import {
 } from '@/utils/admin-pagination'
 import { formatAdminDateTime } from '@/utils/admin-time'
 import {
+  DeadlineCountdown,
+  formatTimeoutPolicyLabel,
   getAcceptanceFiles,
   getAcceptanceImageUrls,
   getAcceptanceSubmittedAt,
@@ -129,6 +131,8 @@ export default function WorkOrdersPanel() {
     rewardAmount?: number
     requiredDepositAmount?: number
     fieldsText?: string
+    timeoutMinutes?: number
+    timeoutPolicy?: string
   }>()
   const [sharingForm] = Form.useForm<{
     enabled?: boolean
@@ -320,6 +324,8 @@ export default function WorkOrdersPanel() {
       requiredDepositAmount:
         Math.round(Number(row.requiredDepositAmount || 0)) / 100,
       fieldsText: formatRequirementFieldsText(getRequirementFields(row)),
+      timeoutMinutes: Number(row.timeoutMinutes || 0),
+      timeoutPolicy: row.timeoutPolicy || 'reopen',
     })
   }
 
@@ -330,6 +336,8 @@ export default function WorkOrdersPanel() {
     rewardAmount?: number
     requiredDepositAmount?: number
     fieldsText?: string
+    timeoutMinutes?: number
+    timeoutPolicy?: string
   }) {
     if (!editOrder) return
     const succeeded = await runAction(
@@ -341,6 +349,8 @@ export default function WorkOrdersPanel() {
           rewardAmount: Number(values.rewardAmount || 0),
           requiredDepositAmount: Number(values.requiredDepositAmount || 0),
           fieldsText: String(values.fieldsText || ''),
+          timeoutMinutes: Math.max(0, Number(values.timeoutMinutes || 0)),
+          timeoutPolicy: values.timeoutPolicy || 'reopen',
         }),
       '工单信息已保存',
     )
@@ -398,6 +408,34 @@ export default function WorkOrdersPanel() {
       width: 110,
       render: (_, row) => formatMoney(row.requiredDepositAmount),
     },
+    {
+      title: '时限',
+      width: 190,
+      render: (_, row) => {
+        const minutes = Number(row.timeoutMinutes || 0)
+        if (minutes <= 0) {
+          return <Typography.Text type="secondary">不限时</Typography.Text>
+        }
+        return (
+          <div className="cell-stack">
+            <Space wrap size={6}>
+              <Tag color="blue">{minutes} 分钟</Tag>
+              <Typography.Text type="secondary">
+                {formatTimeoutPolicyLabel(row.timeoutPolicy)}
+              </Typography.Text>
+            </Space>
+            {row.status === 'in_progress' && row.deadlineAt ? (
+              <DeadlineCountdown deadlineAt={row.deadlineAt} showExpired />
+            ) : null}
+            {row.deadlineAt ? (
+              <Typography.Text type="secondary">
+                截止 {formatAdminDateTime(row.deadlineAt)}
+              </Typography.Text>
+            ) : null}
+          </div>
+        )
+      },
+    },
     {
       title: '拼单',
       width: 190,
@@ -699,6 +737,29 @@ export default function WorkOrdersPanel() {
                 <Descriptions.Item label="押金">
                   {formatMoney(detailOrder.requiredDepositAmount)}
                 </Descriptions.Item>
+                <Descriptions.Item label="任务时限">
+                  {Number(detailOrder.timeoutMinutes || 0) > 0
+                    ? `${detailOrder.timeoutMinutes} 分钟`
+                    : '不限时'}
+                </Descriptions.Item>
+                <Descriptions.Item label="超时策略">
+                  {formatTimeoutPolicyLabel(detailOrder.timeoutPolicy)}
+                </Descriptions.Item>
+                <Descriptions.Item label="超时截止">
+                  {detailOrder.deadlineAt ? (
+                    <Space wrap size={8}>
+                      <DeadlineCountdown
+                        deadlineAt={detailOrder.deadlineAt}
+                        showExpired
+                      />
+                      <Typography.Text type="secondary">
+                        {formatAdminDateTime(detailOrder.deadlineAt)}
+                      </Typography.Text>
+                    </Space>
+                  ) : (
+                    '-'
+                  )}
+                </Descriptions.Item>
                 <Descriptions.Item label="发布时间">
                   {formatAdminDateTime(detailOrder.publishedAt)}
                 </Descriptions.Item>
@@ -857,6 +918,32 @@ export default function WorkOrdersPanel() {
             >
               <Input.TextArea rows={5} />
             </Form.Item>
+            <Form.Item
+              label="任务时限"
+              name="timeoutMinutes"
+              tooltip="打手抢单后开始计时，超时由系统自动按策略处置；0 表示不限时"
+            >
+              <InputNumber
+                min={0}
+                step={5}
+                addonAfter="分钟"
+                style={{ width: 160 }}
+              />
+            </Form.Item>
+            <Form.Item
+              label="超时策略"
+              name="timeoutPolicy"
+              tooltip="reopen：释放押金退回大厅继续可抢；cancel_release：取消订单并退还押金；cancel_deduct：取消订单并扣除押金"
+            >
+              <Select
+                style={{ width: 320 }}
+                options={[
+                  { value: 'reopen', label: '释放押金退回大厅' },
+                  { value: 'cancel_release', label: '取消订单并退还押金' },
+                  { value: 'cancel_deduct', label: '取消订单并扣除押金' },
+                ]}
+              />
+            </Form.Item>
           </Form>
         ) : null}
       </Modal>

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

@@ -1,8 +1,14 @@
 import { Descriptions, Space, Tag, Typography } from 'antd'
 import ImagePreviewList from '@/components/files/ImagePreviewList'
+import {
+  DeadlineCountdown,
+  formatTimeoutPolicyLabel,
+} from '@/components/DeadlineCountdown'
 import type { CollectField, UploadedFile, WorkOrder, WorkOrderShare } from '@/types/worker-platform'
 import { formatAdminDateTime } from '@/utils/admin-time'
 
+export { DeadlineCountdown, formatTimeoutPolicyLabel }
+
 export function getRequirementFields(order: WorkOrder | null): CollectField[] {
   if (!order) return []
   const rawFields = Array.isArray(order.requirement?.fields)