feat(P20T1-4): 差旅前端入口与审批移动端联动

client/src/pages/WorkflowTaskDetailPage.tsx

@@ -30,6 +30,9 @@ function entityTitle(entityType: string | undefined) {
   if (entityType === "purchase_request") {
     return "采购申请";
   }
+  if (entityType === "travel_request") {
+    return "差旅申请";
+  }
   return entityType || "业务单据";
 }
 
@@ -200,6 +203,26 @@ export function WorkflowTaskDetailPage() {
             <div>说明：{detail.purchaseRequest.reason ?? "-"}</div>
           </>
         ) : null}
+        {detail.travelRequest ? (
+          <>
+            <div>差旅单号：{detail.travelRequest.requestNo ?? detail.travelRequest.id}</div>
+            <div>申请人：{detail.travelRequest.applicant?.name ?? "-"}</div>
+            <div>出差类型：{detail.travelRequest.tripType === "international" ? "国际" : "国内"}</div>
+            <div>法体：{detail.travelRequest.legalEntity?.name ?? "-"}</div>
+            <div>成本中心：{detail.travelRequest.costCenter?.name ?? "-"}</div>
+            <div>起止日期：{detail.travelRequest.startDate ?? "-"} → {detail.travelRequest.endDate ?? "-"}</div>
+            <div>预估金额：{detail.travelRequest.estimatedAmount ?? "-"}</div>
+            <div>出差目的：{detail.travelRequest.purpose || "-"}</div>
+            <div>
+              行程段：
+              {detail.travelRequest.segments.length
+                ? detail.travelRequest.segments
+                    .map((item) => `${item.fromCity}→${item.toCity}(${item.segmentRole})`)
+                    .join("；")
+                : "-"}
+            </div>
+          </>
+        ) : null}
       </div>
 
       <div className="card-std space-y-4 p-6">