ME6 完成移动二轮自动化复检与小修

client/src/pages/MobileLeavePage.tsx

@@ -68,6 +68,7 @@ function LeaveRecordCard({
 }) {
   const canEdit = item.status === "draft" || item.status === "rejected";
   const canSubmit = item.status === "draft" || item.status === "rejected";
+  const approvalHistory = item.approvalHistory ?? [];
 
   return (
     <article className="mobile-card" data-testid="mobile-leave-record-card">
@@ -94,12 +95,12 @@ function LeaveRecordCard({
       <div className="mt-3 rounded-lg bg-zinc-50 px-3 py-2 text-xs text-zinc-600" data-testid="mobile-leave-status-hint">
         {resolveLeaveStatusHint(item)}
       </div>
-      {item.approvalHistory.length ? (
+      {approvalHistory.length ? (
         <div className="mt-2 text-xs text-zinc-500">
-          最近审批：{workflowActionLabel(item.approvalHistory[0].action)}
-          {item.approvalHistory[0].comment ? ` · ${item.approvalHistory[0].comment}` : ""}
+          最近审批：{workflowActionLabel(approvalHistory[0].action)}
+          {approvalHistory[0].comment ? ` · ${approvalHistory[0].comment}` : ""}
           {" · "}
-          {formatApprovalHistoryTime(item.approvalHistory[0].createdAt)}
+          {formatApprovalHistoryTime(approvalHistory[0].createdAt)}
         </div>
       ) : null}