chore(prettier): format 并清理无用 import

make prettier 统一格式化，goimports 与 eslint unused-imports 自动移除未使用导入。

frontend/app/(main)/pages/detail/components/danger-zone-card.tsx

@@ -17,12 +17,7 @@ import {
   AlertDialogTitle,
 } from '@/components/ui/alert-dialog';
 import { Button } from '@/components/ui/button';
-import {
-  Card,
-  CardContent,
-  CardHeader,
-  CardTitle,
-} from '@/components/ui/card';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { Spinner } from '@/components/ui/spinner';
 import { type PagesProject, PagesService } from '@/lib/services/openflare';