iter(g136): 新增链接组件 link

apps/demo/main.ts

@@ -37,6 +37,7 @@ import {
   formItem,
   inputNumber,
   grid,
+  link,
   list,
   carousel,
   treeSelect,
@@ -1363,6 +1364,18 @@ const content = h(
       ),
     ),
   ),
+  section(
+    'sec-link',
+    '链接',
+    'link 统一站内 / 站外跳转：external 自动补 ↗、target=_blank 与 rel=noopener noreferrer，并给读屏播报「在新窗口打开」；muted 用于页脚次要链接，disabled 去掉 href 但保留可聚焦与 aria-disabled。',
+    space({ wrap: true, size: 'md' },
+      link({ href: '#sec-link', label: '站内锚点' }),
+      link({ href: 'https://gitea.yinyuanjingling.icu/temp/UI', label: '仓库地址', external: true }),
+      link({ href: '#sec-link', label: '次要说明', muted: true }),
+      link({ href: '#sec-link', label: '已停用', disabled: true }),
+      link({ href: '#sec-link', label: '带埋点的链接', onClick: () => toast.info('点击已上报') }),
+    ),
+  ),
   section(
     'sec-floatbutton',
     '悬浮操作按钮',