完善报销通知与付款进度（08-01-reimbursement-notification-progress-clarity）

client/src/pages/MobileApprovalsPage.tsx

@@ -31,7 +31,7 @@ import { Spinner } from "../components/ui/spinner";
 import { Tabs, TabsList, TabsTrigger } from "../components/ui/tabs";
 import { Textarea } from "../components/ui/textarea";
 import { MOBILE_APPROVAL_PERMISSIONS } from "../features/mobile/navigation";
-import { resolvePurchaseDisplayCode } from "../lib/approvalDisplay";
+import { resolvePurchaseDisplayCode, workflowActionLabel } from "../lib/approvalDisplay";
 import { businessPrimaryLabel, compactBusinessReference, joinBusinessMeta } from "../lib/businessDisplay";
 import { resolveReimbursementDisplayCode } from "../lib/reimbursementDisplay";
 import { cn } from "../lib/utils";
@@ -150,27 +150,6 @@ function workflowStatusLabel(status: string) {
   return status;
 }
 
-function workflowActionLabel(action: string | null | undefined) {
-  if (!action) {
-    return "-";
-  }
-
-  const labels: Record<string, string> = {
-    submit: "提交",
-    approve: "通过",
-    reject: "驳回",
-    return: "退回",
-    transfer: "转审",
-    withdraw: "撤回",
-    remind: "催办",
-    overdue_remind: "超时提醒",
-    cancel: "取消",
-    skip: "跳过",
-  };
-
-  return labels[action] ?? action;
-}
-
 function businessStatusLabel(status: string | null | undefined) {
   const labels: Record<string, string> = {
     draft: "草稿",