feat: 新增友链相关组件与优化投票页面

1. 新增友链底部悬浮操作组件uh-links-actions
2. 新增站点友链信息弹窗组件uh-links-site-info
3. 新增站点友链申请表单组件uh-links-site-apply
4. 新增小程序友链信息弹窗组件uh-links-mini-info
5. 优化投票页面：替换提示文案、添加插件检测回调、新增防抖sleep工具、调整样式与交互细节

src/components/uh-links-actions/uh-links-actions.vue

@@ -0,0 +1,41 @@
+<script lang="ts" setup>
+/**
+ * 友链底部悬浮操作栏(通用组件)
+ * 参考瞬间详情页底部悬浮按钮设计;通过 :actions 控制显示的按钮,事件回调 emit('apply') / emit('info')
+ * 站点 tab / 小程序 tab 分别引入(如 :actions="['apply','info']" @apply=... @info=...)
+ */
+withDefaults(defineProps<{
+  /** 需要显示的按钮:apply=提交申请,info=友链信息;包含即显示 */
+  actions?: string[]
+}>(), {
+  actions: () => ['apply', 'info'],
+})
+
+const emit = defineEmits<{
+  (e: 'apply'): void
+  (e: 'info'): void
+}>()
+</script>
+
+<template>
+  <view class="fixed bottom-8 left-1/2 z-10 flex items-center justify-center pb-safe -translate-x-1/2">
+    <view class="uh-global-card-glass box-border flex items-center justify-center gap-2 border rounded-full p-1 text-primary">
+      <view
+        v-if="actions.includes('apply')"
+        class="uh-global-card-glass box-border h-9 flex flex-1 items-center justify-center gap-x-1 border rounded-full px-8 shadow-none"
+        @click="emit('apply')"
+      >
+        <wd-icon name="edit" size="36rpx" />
+        <text class="shrink-0 text-sm text-gray-900 font-semibold">提交申请</text>
+      </view>
+      <view
+        v-if="actions.includes('info')"
+        class="uh-global-card-glass box-border h-9 flex flex-1 items-center justify-center gap-x-1 border rounded-full px-8 shadow-none"
+        @click="emit('info')"
+      >
+        <wd-icon name="info" size="36rpx" />
+        <text class="shrink-0 text-sm text-gray-900 font-semibold">友链信息</text>
+      </view>
+    </view>
+  </view>
+</template>