enhance admin leaderboard and previews

frontend-web/src/pages/PublicScheduledTaskPage.tsx

@@ -39,6 +39,7 @@ import {
   TooltipTrigger,
 } from "@/components/ui/tooltip";
 import { MarkdownContent } from "@/components/workspace/messages/markdown-content";
+import { HtmlPreviewFrame } from "@/components/html-preview-frame";
 import { getBackendBaseURL } from "@/core/config";
 import { downloadMarkdownAsDocx } from "@/core/scheduled-tasks/markdown-docx";
 import { reasoningPlugins } from "@/core/streamdown";
@@ -953,10 +954,8 @@ function RunDetailPane({ run, taskId }: { run: PublicRun; taskId: string }) {
               )}
               {activeTabMeta?.kind === "html" ? (
                 htmlContent ? (
-                  <iframe
-                    title="HTML 预览"
-                    sandbox="allow-same-origin"
-                    srcDoc={htmlContent}
+                  <HtmlPreviewFrame
+                    html={htmlContent}
                     className="min-h-[60vh] w-full flex-1 rounded-md border bg-white"
                   />
                 ) : (