feat: 增强标签云组件支持搜索和展开功能

- 将 TagCloud 改造为客户端组件，添加实时搜索功能
- 新增 getTopTags 函数获取热门标签（按项目数量排序）
- 支持展开/收起查看所有标签，提升大量标签场景下的用户体验
- 添加标签相关中英文翻译文本
- 新增 scripts/list-tags.js 辅助脚本用于标签统计分析

scripts/list-tags.js

@@ -0,0 +1,39 @@
+const { PrismaClient } = require('@prisma/client');
+
+const prisma = new PrismaClient();
+
+async function main() {
+  const tags = await prisma.tag.findMany({
+    include: {
+      _count: {
+        select: { projects: true }
+      }
+    }
+  });
+
+  console.log('=== Tag Statistics ===\n');
+  console.log('Total tags:', tags.length);
+
+  const sortedTags = tags.sort((a, b) => b._count.projects - a._count.projects);
+
+  console.log('\n=== Tags by Project Count ===');
+  sortedTags.forEach((tag, idx) => {
+    console.log(`${idx + 1}. ${tag.name}: ${tag._count.projects} projects`);
+  });
+
+  const unusedTags = tags.filter(t => t._count.projects === 0);
+  console.log(`\n=== Unused Tags (${unusedTags.length}) ===`);
+  unusedTags.forEach(tag => console.log(`- ${tag.name}`));
+
+  const lowActivityTags = tags.filter(t => t._count.projects > 0 && t._count.projects <= 2);
+  console.log(`\n=== Low Activity Tags (1-2 projects) (${lowActivityTags.length}) ===`);
+  lowActivityTags.forEach(tag => console.log(`- ${tag.name}: ${tag._count.projects} projects`));
+
+  const highActivityTags = tags.filter(t => t._count.projects >= 5);
+  console.log(`\n=== High Activity Tags (5+ projects) (${highActivityTags.length}) ===`);
+  highActivityTags.forEach(tag => console.log(`- ${tag.name}: ${tag._count.projects} projects`));
+}
+
+main()
+  .catch(console.error)
+  .finally(() => prisma.$disconnect());

src/app/[locale]/projects/page.tsx

@@ -1,6 +1,6 @@
 import { Suspense } from 'react'
 import { getTranslations } from 'next-intl/server'
-import { getProjects, getAllTags } from '@/hooks/useProjects'
+import { getProjects, getAllTags, getTopTags } from '@/hooks/useProjects'
 import { ProjectList } from '@/components/project/ProjectList'
 import { TagCloud } from '@/components/project/TagCloud'
 import { SearchBar } from '@/components/search/SearchBar'
@@ -23,9 +23,10 @@ export default async function ProjectsPage({
   const tag = resolvedSearchParams.tag || ''
   const page = Number(resolvedSearchParams.page) || 1
 
-  const [projectsData, tags] = await Promise.all([
+  const [projectsData, topTags, allTags] = await Promise.all([
     getProjects({ search, tag, page }),
-    getAllTags(),
+    getTopTags(10), // 获取前10个标签
+    getAllTags(),   // 获取所有标签（用于展开）
   ])
 
   return (
@@ -44,7 +45,12 @@ export default async function ProjectsPage({
           <h3 className="font-display font-bold uppercase text-sm mb-4 border-b-2 border-black inline-block dark:border-primary pb-1">
             Browse by Tags
           </h3>
-          <TagCloud tags={tags} locale={locale} activeTag={tag} />
+          <TagCloud
+            tags={topTags}      // 默认显示前10个
+            allTags={allTags}   // 用于展开和搜索
+            locale={locale}
+            activeTag={tag}
+          />
         </div>
       </div>
 

src/components/project/TagCloud.tsx

@@ -1,3 +1,6 @@
+'use client'
+
+import { useState, useMemo } from 'react'
 import Link from 'next/link'
 
 interface TagCloudProps {
@@ -10,41 +13,119 @@ interface TagCloudProps {
       projects: number
     }
   }>
+  allTags?: Array<{
+    id: string
+    name: string
+    nameEn?: string | null
+    slug: string
+    _count?: {
+      projects: number
+    }
+  }>
   locale: string
   activeTag?: string
 }
 
-export function TagCloud({ tags, locale, activeTag }: TagCloudProps) {
+export function TagCloud({ tags, allTags, locale, activeTag }: TagCloudProps) {
-  return (
+  const [searchQuery, setSearchQuery] = useState('')
-    <div className="flex flex-wrap gap-3">
+  const [showAll, setShowAll] = useState(false)
-      {tags.map((tag) => {
-        const count = tag._count?.projects || 0
-        const isActive = activeTag === tag.slug
-        const displayName = locale === 'en' && tag.nameEn ? tag.nameEn : tag.name
 
-        return (
+  // 搜索过滤逻辑
-          <Link
+  const filteredTags = useMemo(() => {
-            key={tag.id}
+    const sourceTags = allTags || tags
-            href={`/${locale}/projects?tag=${tag.slug}`}
+
-            className={`px-3 py-1 border-2 font-display text-xs font-bold uppercase transition-all shadow-neo-sm hover:shadow-none hover:translate-x-[2px] hover:translate-y-[2px] flex items-center gap-2 group ${
+    if (!searchQuery.trim()) {
-              isActive
+      return showAll ? sourceTags : tags
-                ? 'bg-black text-white border-black'
+    }
-                : 'bg-white dark:bg-surface-dark border-black dark:border-gray-500 hover:bg-black hover:text-white dark:hover:bg-primary dark:hover:text-black'
+
-            }`}
+    const query = searchQuery.toLowerCase()
-          >
+    return sourceTags.filter(tag =>
-            {displayName}
+      tag.name.toLowerCase().includes(query) ||
-            {count > 0 && (
+      (tag.nameEn && tag.nameEn.toLowerCase().includes(query))
-              <span className={`text-[10px] px-1.5 py-0.5 ${
+    )
-                isActive
+  }, [searchQuery, showAll, tags, allTags])
-                  ? 'bg-gray-700 text-white'
+
-                  : 'bg-gray-200 dark:bg-gray-800 text-gray-600 dark:text-gray-300 group-hover:bg-white group-hover:text-black'
+  const hasMoreTags = allTags && allTags.length > tags.length
-              }`}>
+  const displayName = (tag: typeof tags[0]) =>
-                {count}
+    locale === 'en' && tag.nameEn ? tag.nameEn : tag.name
-              </span>
+
-            )}
+  return (
-          </Link>
+    <div className="space-y-4">
-        )
+      {/* 搜索框 */}
-      })}
+      <div className="relative">
+        <input
+          type="text"
+          value={searchQuery}
+          onChange={(e) => setSearchQuery(e.target.value)}
+          placeholder={locale === 'zh' ? '搜索标签...' : 'Search tags...'}
+          className="w-full px-4 py-2 pl-10 bg-white dark:bg-surface-dark border-2 border-gray-300 dark:border-gray-600 focus:border-primary text-sm font-display focus:outline-none transition-colors"
+        />
+        <svg
+          className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-gray-400"
+          fill="none"
+          stroke="currentColor"
+          viewBox="0 0 24 24"
+        >
+          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
+        </svg>
+      </div>
+
+      {/* 标签列表 */}
+      <div className="flex flex-wrap gap-2">
+        {filteredTags.length > 0 ? (
+          filteredTags.map((tag) => {
+            const count = tag._count?.projects || 0
+            const isActive = activeTag === tag.slug
+
+            return (
+              <Link
+                key={tag.id}
+                href={`/${locale}/projects?tag=${tag.slug}`}
+                className={`px-3 py-1 border-2 font-display text-xs font-bold uppercase transition-all shadow-neo-sm hover:shadow-none hover:translate-x-[2px] hover:translate-y-[2px] flex items-center gap-2 group ${
+                  isActive
+                    ? 'bg-black text-white border-black'
+                    : 'bg-white dark:bg-surface-dark border-black dark:border-gray-500 hover:bg-black hover:text-white dark:hover:bg-primary dark:hover:text-black'
+                }`}
+              >
+                {displayName(tag)}
+                <span className={`text-[10px] px-1.5 py-0.5 ${
+                  isActive
+                    ? 'bg-gray-700 text-white'
+                    : 'bg-gray-200 dark:bg-gray-800 text-gray-600 dark:text-gray-300 group-hover:bg-white group-hover:text-black'
+                }`}>
+                  {count}
+                </span>
+              </Link>
+            )
+          })
+        ) : (
+          <div className="text-center py-4 text-gray-500 text-sm w-full">
+            {locale === 'zh' ? '未找到匹配的标签' : 'No matching tags found'}
+          </div>
+        )}
+      </div>
+
+      {/* 显示全部按钮 */}
+      {!searchQuery && hasMoreTags && !showAll && (
+        <button
+          onClick={() => setShowAll(true)}
+          className="w-full py-2 bg-gray-100 dark:bg-gray-800 border-2 border-dashed border-gray-300 dark:border-gray-600 font-display text-xs font-bold uppercase hover:bg-gray-200 dark:hover:bg-gray-700 transition-colors"
+        >
+          {locale === 'zh'
+            ? `显示全部标签 (+${allTags!.length - tags.length})`
+            : `Show all tags (+${allTags!.length - tags.length})`}
+        </button>
+      )}
+
+      {/* 收起按钮 */}
+      {showAll && !searchQuery && (
+        <button
+          onClick={() => setShowAll(false)}
+          className="text-xs font-display font-bold text-gray-500 hover:text-black"
+        >
+          {locale === 'zh' ? '↑ 收起' : '↑ Show less'}
+        </button>
+      )}
     </div>
   )
 }

src/hooks/useProjects.ts

@@ -156,3 +156,28 @@ export async function getTagsWithProjectCounts(): Promise<TagWithProjectCount[]>
 
   return tags.filter(tag => tag._count.projects > 0)
 }
+
+export async function getTopTags(limit: number = 10): Promise<TagWithProjectCount[]> {
+  const tags = await prisma.tag.findMany({
+    include: {
+      _count: {
+        select: { projects: true }
+      }
+    },
+    where: {
+      projects: {
+        some: {} // 只返回有项目的标签
+      }
+    }
+  })
+
+  // 按项目数量降序、名称升序排序
+  return tags
+    .filter(tag => tag._count.projects > 0)
+    .sort((a, b) => {
+      const countDiff = b._count.projects - a._count.projects
+      if (countDiff !== 0) return countDiff
+      return a.name.localeCompare(b.name, 'zh')
+    })
+    .slice(0, limit)
+}

src/messages/en.json

@@ -8,6 +8,13 @@
     "backToHome": "Back to Home",
     "viewDetails": "VIEW DETAILS"
   },
+  "tags": {
+    "searchPlaceholder": "Search tags...",
+    "showAll": "Show all tags ({count})",
+    "showLess": "↑ Show less",
+    "noResults": "No matching tags found",
+    "projectCount": "projects"
+  },
   "home": {
     "title": "AI Project Navigator",
     "subtitle": "Discover and explore AI projects",

src/messages/zh.json

@@ -8,6 +8,13 @@
     "backToHome": "返回首页",
     "viewDetails": "查看详情"
   },
+  "tags": {
+    "searchPlaceholder": "搜索标签...",
+    "showAll": "显示全部标签 ({count})",
+    "showLess": "↑ 收起",
+    "noResults": "未找到匹配的标签",
+    "projectCount": "个项目"
+  },
   "home": {
     "title": "AI 项目导航",
     "subtitle": "发现和探索全网优质 AI 项目",