Improve auth and download UI states

templates/result.html

@@ -15,7 +15,7 @@
       <span class="material-symbols-outlined text-lg">refresh</span>
       重新分析
     </a>
-    <a href="{{ result.excel_url }}" class="ui-btn ui-btn-primary">
+    <a href="{{ result.excel_url }}" class="ui-btn ui-btn-primary" data-download-action data-download-pending="导出中...">
       <span class="material-symbols-outlined text-lg">download</span>
       导出结果表
     </a>
@@ -40,7 +40,7 @@
         <div class="flex justify-between gap-4"><dt class="text-textSub">样本数量</dt><dd class="font-bold">{{ result.sample_count }}</dd></div>
         <div class="flex justify-between gap-4"><dt class="text-textSub">输出文件</dt><dd class="font-bold">电子表格</dd></div>
       </dl>
-      <a href="{{ result.excel_url }}" class="ui-btn ui-btn-secondary mt-5 w-full text-primary">
+      <a href="{{ result.excel_url }}" class="ui-btn ui-btn-secondary mt-5 w-full text-primary" data-download-action data-download-pending="下载中...">
         <span class="material-symbols-outlined text-lg">table_view</span>
         查看完整样本列表
       </a>