feat: 新增全局搜索功能，优化页面默认跳转逻辑

1. 新增全局搜索弹窗组件及相关事件常量
2. 修复首页默认跳转路径，改回首页而非动态页
3. 注释无用的单例运行代码
4. 添加背景模糊样式类
5. 更新搜索API类型定义
6. 底部导航栏搜索按钮触发全局搜索弹窗

src/components/uh-global-search/uh-global-search.vue

@@ -0,0 +1,166 @@
+<script setup lang="ts">
+import { indicesSearch } from '@/api/halo-base/common'
+import { timeFormat } from '@/utils/base/timeFormat'
+import { debounce } from '@/utils/base/debounce'
+import { GLOBAL_SEARCH_EVENT_NAME } from '@/constants/events'
+import type { HaloDocument, SearchOption, SearchResult } from '@halo-dev/api-client'
+
+const { loading, error, data, run } = useRequest<SearchResult, SearchOption>(indicesSearch, { loadingToast: false, loadingToastContent: '加载中...', loadingToastMask: true })
+
+const scroll = reactive({
+  top: 0,
+})
+
+const searchParams = ref<SearchOption>({
+  keyword: undefined,
+  limit: 50,
+})
+
+const searchResultTypeMap = {
+  'moment.moment.halo.run': 'moment',
+  'post.content.halo.run': 'post',
+  'doc.halo.run': 'doc',
+}
+const searchResultTypeCN = {
+  'moment.moment.halo.run': '瞬间',
+  'post.content.halo.run': '文章',
+  'doc.halo.run': '文档',
+}
+
+interface SearchResultItem extends HaloDocument {
+  releaseTime: string
+  typeCN: string
+}
+
+const searchResult = computed<Array<SearchResultItem>>(() => {
+  if (!data.value || data.value?.hits?.length === 0) {
+    return []
+  }
+  return data.value.hits.map((item) => {
+    return {
+      ...item,
+      type: searchResultTypeMap[item.type],
+      typeCN: searchResultTypeCN[item.type],
+      releaseTime: timeFormat(item.updateTimestamp ?? item.creationTimestamp),
+    }
+  })
+})
+
+function handleSearch() {
+  if (!searchParams.value.keyword) {
+    uni.showToast({
+      title: '请输入搜索内容',
+      icon: 'none',
+    })
+    return
+  }
+  scroll.top = 0
+  run(searchParams.value)
+}
+
+function handleClose() {
+  setTimeout(() => {
+    uni.$emit(GLOBAL_SEARCH_EVENT_NAME)
+  }, 30)
+}
+
+const onViewScroll = debounce((e: any) => {
+  scroll.top = e.detail.scrollTop
+}, 150)
+
+onMounted(() => {
+  handleSearch()
+})
+</script>
+
+<template>
+  <view
+    class="uh-backdrop-blur fixed inset-0 z-110 flex items-center justify-center bg-black/20"
+    @click.stop="handleClose"
+  >
+    <!-- 内容区 -->
+    <view class="box-border h-[65vh] w-[80vw] flex flex-col overflow-hidden rounded-2xl bg-page2 p-2" @click.stop>
+      <view class="box-border w-full flex shrink-0 items-center justify-between gap-x-4 p-2">
+        <view class="flex flex-1 items-center gap-x-2">
+          <input
+            v-model="searchParams.keyword" :auto-focus="true" type="text" placeholder="请输入搜索内容"
+            class="flex-1 border-2 border-gray-900 rounded-md border-solid px-2 py-1 text-xs text-gray-900 placeholder:text-xs"
+          >
+          <view
+            class="flex items-center justify-center rounded-lg bg-gray-900 px-3 py-2"
+            @click="handleSearch()"
+          >
+            <wd-icon name="search-line" color="#ffffff" :size="16" />
+            <text class="text-xs text-white">搜索</text>
+          </view>
+        </view>
+        <view class="shrink-0">
+          <wd-icon name="close-circle" size="24px" color="#1A1A1A" @click="handleClose" />
+        </view>
+      </view>
+
+      <!-- 搜索结果区 -->
+      <view class="mb-2 box-border flex items-center justify-between px-2">
+        <text class="text-xs text-gray-900 font-bold">搜索结果</text>
+        <text class="text-xs text-gray-600">共 {{ searchResult.length }} 条</text>
+      </view>
+      <scroll-view
+        v-if="searchResult.length !== 0" class="h-[53vh] w-full" :scroll-y="true"
+        :scroll-top="scroll.top" @scroll="onViewScroll"
+      >
+        <view class="box-border flex flex-col gap-y-3 px-2">
+          <!-- 卡片 -->
+          <view
+            v-for="(item, index) in searchResult" :key="item.metadataName"
+            class="uh-shadow-xs box-border w-full flex flex-col gap-y-2 rounded-lg bg-white p-3"
+          >
+            <view class="flex items-center gap-x-2">
+              <view
+                class="flex items-center rounded-md bg-gray-900 px-1.5 py-0.5 text-xs text-white font-bold"
+              >
+                # <text class="pl-0.5 text-[12px]">{{ index + 1 }}</text>
+              </view>
+              <rich-text :nodes="item.title" class="line-clamp-1 text-sm text-gray-900 font-bold" />
+            </view>
+            <view class="line-clamp-2 w-full text-xs text-gray-600 leading-relaxed">
+              <rich-text :nodes="item.description ?? item.content" />
+            </view>
+            <view class="h-1px w-full bg-gray-50" />
+            <view class="flex items-center justify-between gap-x-4">
+              <view class="rounded-md bg-gray-900 px-2 py-1 text-[11px] text-white">
+                来自{{ item.typeCN }}
+              </view>
+              <text class="text-xs text-gray-600">{{ item.releaseTime }}</text>
+            </view>
+          </view>
+        </view>
+      </scroll-view>
+      <view v-else-if="loading" class="flex flex-1 items-center justify-center">
+        <wd-loading text="搜索中..." color="#1A1A1A" :size="52" />
+      </view>
+      <view v-else-if="error" class="flex flex-1 items-center justify-center">
+        <wd-empty tip="搜索失败">
+          <template #image>
+            <wd-icon name="close-circle" color="#1A1A1A" :size="52" />
+          </template>
+          <template #bottom>
+            <view
+              class="flex items-center justify-center rounded-lg bg-gray-900 px-3 py-2"
+              @click="handleSearch()"
+            >
+              <wd-icon name="search-line" color="#ffffff" :size="16" />
+              <text class="pl-1 text-xs text-white">点击重试</text>
+            </view>
+          </template>
+        </wd-empty>
+      </view>
+      <view v-else class="flex flex-1 items-center justify-center">
+        <wd-empty tip="暂无搜索结果">
+          <template #image>
+            <wd-icon name="empty" color="#1A1A1A" :size="52" />
+          </template>
+        </wd-empty>
+      </view>
+    </view>
+  </view>
+</template>