feat(P20T1-4): 差旅前端入口与审批移动端联动

client/src/pages/NotificationChannelsPage.tsx

@@ -71,6 +71,7 @@ const DOMAIN_SCOPE_OPTIONS = [
   { value: "reimbursement", label: "报销" },
   { value: "leave", label: "请假" },
   { value: "procurement", label: "采购" },
+  { value: "travel", label: "差旅" },
   { value: "asset", label: "资产" },
   { value: "inventory", label: "盘点" },
 ] as const;
@@ -85,6 +86,8 @@ const NOTIFICATION_TYPE_OPTIONS = [
   { value: "leave.rejected", label: "leave.rejected" },
   { value: "purchase_request.approved", label: "purchase_request.approved" },
   { value: "purchase_request.rejected", label: "purchase_request.rejected" },
+  { value: "travel_request.approved", label: "travel_request.approved" },
+  { value: "travel_request.rejected", label: "travel_request.rejected" },
   { value: "asset.assigned", label: "asset.assigned" },
   { value: "asset.returned", label: "asset.returned" },
   { value: "asset.transferred", label: "asset.transferred" },