Refactor: Remove summary cards from various pages and update UI components

- Removed summary cards from Managed Domains, Nodes, Proxy Routes, TLS Certificates, Users pages to streamline UI.
- Updated Nodes and Proxy Routes pages to enhance action buttons and descriptions.
- Added new runtime configuration options for rate limiting in Settings page, allowing for dynamic updates.
- Updated documentation to reflect new runtime configurations and their effects.
- Enhanced unit tests for DashboardOverview to include mock data for comprehensive coverage.

atsf_server/web/features/users/components/users-page.tsx

@@ -198,16 +198,7 @@ export function UsersPage() {
   const activeQuery = searchKeyword.length > 0 ? searchQuery : usersQuery;
   const users = useMemo(() => activeQuery.data ?? [], [activeQuery.data]);
 
-  const summary = useMemo(() => {
-    return [
-      { label: searchKeyword ? '搜索结果' : '当前页用户', value: users.length },
-      { label: '管理员', value: users.filter((item) => item.role >= 10).length },
-      { label: '已激活', value: users.filter((item) => item.status === 1).length },
-      { label: '已封禁', value: users.filter((item) => item.status !== 1).length },
-    ];
-  }, [searchKeyword, users]);
-
-  const handleSearchSubmit = () => {
+  const handleSearchSubmit = () => {
     setFeedback(null);
     setPage(0);
     setSearchKeyword(searchInput.trim());
@@ -296,25 +287,9 @@ export function UsersPage() {
 
       {feedback ? <InlineMessage tone={feedback.tone} message={feedback.message} /> : null}
 
-      <AppCard title='用户概览' description='当前视图会根据分页或搜索结果实时刷新，新增和编辑统一在弹窗中完成。'>
-        <div className='grid gap-4 md:grid-cols-2 xl:grid-cols-4'>
-          {summary.map((item) => (
-            <div
-              key={item.label}
-              className='rounded-2xl border border-[var(--border-default)] bg-[var(--surface-elevated)] px-4 py-4'
-            >
-              <p className='text-xs uppercase tracking-[0.2em] text-[var(--foreground-muted)]'>
-                {item.label}
-              </p>
-              <p className='mt-2 text-lg font-semibold text-[var(--foreground-primary)]'>{item.value}</p>
-            </div>
-          ))}
-        </div>
-      </AppCard>
-
-      <AppCard
-        title='用户列表'
-        description='搜索会切换到全量匹配结果；分页模式下按服务器默认每页 10 条加载。'
+      <AppCard
+        title='用户列表'
+        description='搜索会切换到全量匹配结果；分页模式下按服务器默认每页 10 条加载。'
         action={
           <div className='flex flex-wrap gap-2'>
             <SecondaryButton