feat(P21PWA1-4): 移动扫码页面与盘点路由导航联动

client/src/pages/AssetRegistryPage.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useMemo, useState } from "react";
+import { useNavigate } from "react-router-dom";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import { toast } from "sonner";
 import { mapApiErrorMessage } from "../api/errorMessages";
@@ -112,6 +113,7 @@ function resolveAssetErpActionLabel(actionHint: AssetErpTrack["stage"]["actionHi
 }
 
 export function AssetRegistryPage() {
+  const navigate = useNavigate();
   const queryClient = useQueryClient();
   const { permissions } = useAuth();
 
@@ -539,11 +541,16 @@ export function AssetRegistryPage() {
         title="资产台账"
         subtitle="维护资产分类与资产卡片，支持法体、成本中心和采购来源引用。"
         actions={
-          canManage ? (
-            <Button type="button" data-testid="asset-create" onClick={resetAssetEditor}>
-              新建资产卡片
+          <div className="flex flex-wrap gap-2">
+            <Button type="button" variant="secondary" onClick={() => navigate("/mobile/assets/scan") }>
+              移动扫码查找
             </Button>
-          ) : null
+            {canManage ? (
+              <Button type="button" data-testid="asset-create" onClick={resetAssetEditor}>
+                新建资产卡片
+              </Button>
+            ) : null}
+          </div>
         }
       />