feat(page): enable live search and add popular articles section

src/views/SearchView.vue

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { ref, onMounted, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import { searchApi, tagApi } from '@/api/client'
+import { articleApi, searchApi, tagApi } from '@/api/client'
 import type { ArticleListItem, Tag } from '@/generated/api'
 import ArticleCard from '@/components/ArticleCard.vue'
 import Pagination from '@/components/Pagination.vue'
@@ -18,6 +18,34 @@ const loading = ref(false)
 const error = ref<string | null>(null)
 
 const recommendedTags = ref<Tag[]>([])
+const popularArticles = ref<ArticleListItem[]>([])
+
+let debounceTimer: ReturnType<typeof setTimeout> | undefined
+
+watch(keyword, () => {
+  clearTimeout(debounceTimer)
+  debounceTimer = setTimeout(() => {
+    page.value = 1
+    syncRoute()
+    doSearch()
+  }, 300)
+})
+
+watch(
+  () => route.query.q,
+  (q) => {
+    const next = (q as string) ?? ''
+    if (next !== keyword.value) keyword.value = next
+  }
+)
+
+function syncRoute() {
+  const q = keyword.value.trim()
+  const current = (route.query.q as string) ?? ''
+  if ((q || '') !== (current || '')) {
+    router.replace({ name: 'Search', query: q ? { q } : {} })
+  }
+}
 
 async function loadRecommendedTags() {
   try {
@@ -30,6 +58,16 @@ async function loadRecommendedTags() {
   }
 }
 
+async function loadPopularArticles() {
+  try {
+    const resp = await articleApi.apiArticlesPopularGet(5)
+    popularArticles.value = (resp.data.data as ArticleListItem[]) ?? []
+  } catch (e) {
+    console.error(e)
+    popularArticles.value = []
+  }
+}
+
 function goTag(tag: Tag) {
   router.push({ name: 'Home', query: { tag: tag.slug } })
 }
@@ -57,9 +95,9 @@ async function doSearch() {
 }
 
 function submit() {
-  const q = keyword.value.trim()
+  clearTimeout(debounceTimer)
   page.value = 1
-  router.push({ name: 'Search', query: q ? { q } : {} })
+  syncRoute()
   doSearch()
 }
 
@@ -68,17 +106,9 @@ function onPageChange(p: number) {
   doSearch()
 }
 
-watch(
-  () => route.query.q,
-  (q) => {
-    keyword.value = (q as string) ?? ''
-    page.value = 1
-    doSearch()
-  }
-)
-
 onMounted(() => {
   loadRecommendedTags()
+  loadPopularArticles()
   if (keyword.value) doSearch()
 })
 </script>
@@ -90,6 +120,7 @@ onMounted(() => {
       <button class="search-btn" type="submit">搜索</button>
     </form>
 
+    <template v-if="!keyword">
       <div v-if="recommendedTags.length" class="search-recommend">
         <span class="section-label">标签推荐</span>
         <div class="tag-chips">
@@ -99,16 +130,24 @@ onMounted(() => {
         </div>
       </div>
 
+      <div v-if="popularArticles.length" class="popular-section">
+        <span class="section-label">热门文章</span>
+        <div class="popular-list">
+          <ArticleCard v-for="article in popularArticles" :key="article.id" :article="article" />
+        </div>
+      </div>
+    </template>
+
     <p v-if="error" class="error-text">{{ error }}</p>
     <p v-else-if="loading" class="hint-text">搜索中...</p>
-    <template v-else>
-      <p v-if="keyword && results.length === 0" class="hint-text">未找到相关文章</p>
-      <div v-else-if="results.length > 0">
+    <template v-else-if="keyword">
+      <p v-if="results.length === 0" class="hint-text">未找到相关文章</p>
+      <div v-else>
         <ArticleCard v-for="article in results" :key="article.id" :article="article" />
         <Pagination :page="page" :total-pages="totalPages" @change="onPageChange" />
       </div>
-      <p v-else class="hint-text">输入关键词开始搜索</p>
     </template>
+    <p v-else class="hint-text">输入关键词开始搜索</p>
   </div>
 </template>
 
@@ -127,6 +166,17 @@ onMounted(() => {
   margin-bottom: 20px;
 }
 
+.popular-section {
+  margin-bottom: 20px;
+}
+
+.popular-list {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  margin-top: 10px;
+}
+
 .section-label {
   color: var(--ac-text-secondary);
   font-size: 13px;