feat: Add AI Timeline page and localization support in multiple languages

public/assets/icon/ai-timeline.svg

+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <!-- Vertical timeline bar -->
+  <rect x="4" y="3" width="3" height="18" rx="1.5" fill="#6366F1"/>
+  
+  <!-- Timeline events -->
+  <circle cx="16" cy="6" r="3" fill="#818CF8"/>
+  <circle cx="16" cy="12" r="3" fill="#4F46E5"/>
+  <circle cx="16" cy="18" r="3" fill="#6366F1"/>
+  
+  <!-- Connecting lines -->
+  <path d="M7 6H13" stroke="#818CF8" stroke-width="2" stroke-linecap="round"/>
+  <path d="M7 12H13" stroke="#4F46E5" stroke-width="2" stroke-linecap="round"/>
+  <path d="M7 18H13" stroke="#6366F1" stroke-width="2" stroke-linecap="round"/>
+  
+  <!-- AI circuit elements inside the nodes -->
+  <path d="M15 6H17" stroke="white" stroke-width="1" stroke-linecap="round"/>
+  <path d="M16 5V7" stroke="white" stroke-width="1" stroke-linecap="round"/>
+  
+  <path d="M15 12L17 12" stroke="white" stroke-width="1" stroke-linecap="round"/>
+  <path d="M15.5 11L16.5 13" stroke="white" stroke-width="1" stroke-linecap="round"/>
+  <path d="M16.5 11L15.5 13" stroke="white" stroke-width="1" stroke-linecap="round"/>
+  
+  <path d="M14.5 17.5L17.5 18.5" stroke="white" stroke-width="1" stroke-linecap="round"/>
+  <path d="M14.5 18.5L17.5 17.5" stroke="white" stroke-width="1" stroke-linecap="round"/>
+</svg> 
\ No newline at end of file

src/App.jsx

@@ -32,6 +32,7 @@ const DrugsList = lazy(() => import('./components/DrugsList'));
 const DeepSeekTimeline = lazy(() => import('./components/DeepSeekTimeline'));
 const WechatFormatter = lazy(() => import('./components/WechatFormatter'));
 const ImageAnnotator = lazy(() => import('./components/ImageAnnotator'));
+const AITimelinePage = lazy(() => import('./pages/AITimelinePage'));
 
 function App() {
   return (
@@ -71,6 +72,7 @@ function App() {
                 <Route path="/deepseek-timeline" element={<DeepSeekTimeline />} />
                 <Route path="/wechat-formatter" element={<WechatFormatter />} />
                 <Route path="/image-annotator" element={<ImageAnnotator />} />
+                <Route path="/ai-timeline" element={<AITimelinePage />} />
                 <Route path="*" element={<NotFound />} />
               </Routes>
             </Suspense>

src/components/AITimeline.jsx

+import React, { useState, useEffect } from 'react';
+import { useScrollToTop } from '../hooks/useScrollToTop';
+import '../styles/HorizontalTimeline.css';
+import events from '../data/ai-events.json';
+import SEO from './SEO';
+import { useTranslation } from '../js/i18n';
+import { usePageLoading } from '../hooks/usePageLoading';
+import LoadingOverlay from './LoadingOverlay';
+
+const categories = [
+  { id: 'all', label: 'All Events' },
+  { id: 'MODEL_RELEASE', label: 'Model Release' },
+  { id: 'RESEARCH', label: 'Research & Papers' },
+  { id: 'POLICY', label: 'Policy & Regulation' },
+  { id: 'BUSINESS', label: 'Business & Industry' },
+  { id: 'CULTURE', label: 'Culture' },
+  { id: 'OPEN_SOURCE', label: 'Open Source' }
+];
+
+const formatDate = (dateString) => {
+  const date = new Date(dateString);
+  return date.toLocaleDateString('en-US', { month: 'short', day: 'numeric' });
+};
+
+const getCategoryClass = (categoryArray) => {
+  const firstCategory = categoryArray && categoryArray.length > 0 ? categoryArray[0] : null;
+  const classes = {
+    'MODEL_RELEASE': 'model-release',
+    'BUSINESS': 'business-industry',
+    'RESEARCH': 'research-papers',
+    'POLICY': 'policy-regulation',
+    'CULTURE': 'culture',
+    'OPEN_SOURCE': 'open-source'
+  };
+  return firstCategory ? classes[firstCategory] || '' : '';
+};
+
+// Helper function to format the last updated date
+const formatLastUpdatedDate = (dateString) => {
+  const date = new Date(dateString);
+  // Using Chinese locale for format YYYY年M月D日
+  return date.toLocaleDateString('zh-CN', { year: 'numeric', month: 'long', day: 'numeric' });
+};
+
+const AITimeline = () => {
+  useScrollToTop();
+  const { t } = useTranslation();
+  const isLoading = usePageLoading();
+  const [selectedCategory, setSelectedCategory] = useState('all');
+  const [groupedEventsByDate, setGroupedEventsByDate] = useState([]);
+
+  // Group events by date after sorting descendingly
+  useEffect(() => {
+    const filtered = selectedCategory === 'all'
+      ? events
+      : events.filter(event => event.category.includes(selectedCategory));
+
+    // Sort events by date descending
+    const sorted = filtered.sort((a, b) => new Date(b.date) - new Date(a.date));
+    
+    // Group sorted events by date
+    const grouped = sorted.reduce((acc, event) => {
+      const date = event.date;
+      if (!acc[date]) {
+        acc[date] = [];
+      }
+      acc[date].push(event);
+      return acc;
+    }, {});
+
+    // Convert grouped object to array of { date, events } sorted by date descending
+    const groupedArray = Object.keys(grouped)
+      .sort((a, b) => new Date(b) - new Date(a)) // Ensure dates are sorted descendingly
+      .map(date => ({ date, events: grouped[date] }));
+
+    setGroupedEventsByDate(groupedArray);
+  }, [selectedCategory]);
+
+  const handleCategoryClick = (categoryId) => {
+    setSelectedCategory(categoryId);
+  };
+
+  // Helper to check if year changes for year separators
+  const shouldShowYearSeparator = (currentDateGroup, previousDateGroup) => {
+    if (!previousDateGroup) {
+      return true; // Show year for the first group
+    }
+    return new Date(currentDateGroup.date).getFullYear() !== new Date(previousDateGroup.date).getFullYear();
+  };
+
+  // Calculate the last updated date from the sorted events
+  const lastUpdatedDate = groupedEventsByDate.length > 0
+    ? formatLastUpdatedDate(groupedEventsByDate[0].date)
+    : null;
+
+  return (
+    <>
+      <SEO
+        title={t('tools.aiTimeline.title', 'AI Major Events Timeline')}
+        description={t('tools.aiTimeline.description', 'A timeline of major events in AI development, research, and regulation')}
+      />
+      {isLoading && <LoadingOverlay />}
+      <div className="vertical-timeline-container">
+        <h1 className="timeline-title">{t('tools.aiTimeline.title', 'AI Major Events Timeline')}</h1>
+        
+        <div className="category-filters">
+          {categories.map(category => (
+            <button
+              key={category.id}
+              className={`category-filter ${selectedCategory === category.id ? 'active' : ''}`}
+              onClick={() => handleCategoryClick(category.id)}
+            >
+              {t(`tools.aiTimeline.categories.${category.id}`, category.label)}
+            </button>
+          ))}
+        </div>
+        
+        {/* Attribution and Last Updated Section */}
+        <div className="timeline-meta-info">
+          <p className="timeline-attribution">
+            {t('tools.aiTimeline.attribution', '部分数据参考自')} <a href="https://ai-timeline.org/" target="_blank" rel="noopener noreferrer">ai-timeline.org</a>
+          </p>
+          {lastUpdatedDate && (
+            <p className="timeline-last-updated">
+              {t('tools.aiTimeline.lastUpdated', '最近更新')}: {lastUpdatedDate}
+            </p>
+          )}
+        </div>
+
+        <div className="timeline-events-list">
+          {groupedEventsByDate.map((dateGroup, index) => {
+            const currentYear = new Date(dateGroup.date).getFullYear();
+            const showYearSeparator = shouldShowYearSeparator(dateGroup, groupedEventsByDate[index - 1]);
+            const markerCategoryClass = dateGroup.events.length > 0 ? getCategoryClass(dateGroup.events[0].category) : '';
+
+            return (
+              <React.Fragment key={dateGroup.date}>
+                {showYearSeparator && (
+                  <div className="timeline-year-separator">
+                    {currentYear}
+                  </div>
+                )}
+                <div className={`timeline-event-item ${markerCategoryClass}`}>
+                  <div className="event-date">{formatDate(dateGroup.date)}</div>
+                  <div className="event-cards-container">
+                    {dateGroup.events.map((event, eventIndex) => (
+                      <a
+                        href={event.link}
+                        target="_blank"
+                        rel="noopener noreferrer"
+                        className={`event-link ${getCategoryClass(event.category)}`}
+                        key={event.id || `${dateGroup.date}-${eventIndex}`}
+                      >
+                        <div className="event-content">
+                          <div className="event-title">{event.title}</div>
+                          <div className="event-description">{event.description}</div>
+                          <div className="event-arrow">↗</div>
+                        </div>
+                      </a>
+                    ))}
+                  </div>
+                </div>
+              </React.Fragment>
+            );
+          })}
+        </div>
+      </div>
+    </>
+  );
+};
+
+export default AITimeline; 
\ No newline at end of file

src/locales/en/tools.json

@@ -263,5 +263,20 @@
       "downloadButton": "Download",
       "noImageMessage": "Upload an image or provide an image URL to begin",
       "resetView": "Reset View"
+    },
+    "aiTimeline": {
+      "title": "AI Important Events Timeline",
+      "description": "Display important events and model release timelines in the AI field",
+      "attribution": "Some data sources",
+      "lastUpdated": "Last Updated",
+      "categories": {
+        "all": "All Events",
+        "MODEL_RELEASE": "Model Release",
+        "RESEARCH": "Research",
+        "POLICY": "Policy",
+        "BUSINESS": "Business",
+        "CULTURE": "Culture",
+        "OPEN_SOURCE": "Open Source"
+      }
     }
 }

src/locales/ja/tools.json

@@ -260,5 +260,20 @@
       "downloadButton": "ダウンロード",
       "noImageMessage": "画像をアップロードするか、画像URLを提供して開始してください",
       "resetView": "ビューをリセット"
+    },
+    "aiTimeline": {
+      "title": "AI 重要事件時間軸",
+      "description": "AI 分野の重要な事件とモデルリリース時間軸を表示します",
+      "attribution": "一部のデータ出典",
+      "lastUpdated": "最終更新日",
+      "categories": {
+        "all": "すべての事件",
+        "MODEL_RELEASE": "モデルリリース",
+        "RESEARCH": "研究と論文",
+        "POLICY": "政策と規制",
+        "BUSINESS": "ビジネスと産業",
+        "CULTURE": "文化",
+        "OPEN_SOURCE": "オープンソース"
+      }
     }
 }

src/locales/ko/tools.json

@@ -261,5 +261,20 @@
     "downloadButton": "다운로드",
     "noImageMessage": "이미지를 업로드하거나 이미지 URL을 제공하세요",
     "resetView": "뷰 초기화"
-  } 
+  },
+  "aiTimeline": {
+    "title": "AI 중요 사건 시간표",
+    "description": "AI 분야의 중요한 사건과 모델 출시 시간표를 표시합니다",
+    "attribution": "일부 데이터 출처",
+    "lastUpdated": "마지막 업데이트",
+    "categories": {
+      "all": "모든 사건",
+      "MODEL_RELEASE": "모델 출시",
+      "RESEARCH": "연구 및 논문",
+      "POLICY": "정치 및 규정",
+      "BUSINESS": "비즈니스 및 산업",
+      "CULTURE": "문화",
+      "OPEN_SOURCE": "오픈 소스"
+    }
+  }
 }

src/locales/zh/tools.json

@@ -244,7 +244,7 @@
     },
     "wechatFormatter": {
       "title": "微信公众号排版助手",
-      "description": "Markdown、 HTML 格式内容一键即可转为微信公众号排版",
+      "description": "Markdown、HTML 内容一键转为公众号版式",
       "input": "输入内容",
       "output": "输出内容",
       "inputPlaceholder": "在此输入需要微信排版的文本",
@@ -265,5 +265,20 @@
       "downloadButton": "下载",
       "noImageMessage": "上传图片或提供图片URL开始",
       "resetView": "重置视图"
+    },
+    "aiTimeline": {
+      "title": "AI 重大事件一览",
+      "description": "展示 AI 领域的重大事件和模型发布时间线",
+      "attribution": "部分数据来源",
+      "lastUpdated": "最后更新时间",
+      "categories": {
+        "all": "全部事件",
+        "MODEL_RELEASE": "模型发布",
+        "RESEARCH": "研究与论文",
+        "POLICY": "政策与监管",
+        "BUSINESS": "商业与行业",
+        "CULTURE": "文化",
+        "OPEN_SOURCE": "开源"
+      } 
     }
 }

src/pages/AITimelinePage.jsx

+import React from 'react';
+import AITimeline from '../components/AITimeline';
+
+const AITimelinePage = () => {
+  return <AITimeline />;
+};
+
+export default AITimelinePage; 
\ No newline at end of file

src/pages/Blog.jsx

@@ -4,6 +4,7 @@ import { useTranslation } from '../js/i18n';
 import SEO from '../components/SEO';
 
 const tools = [
+  { id: 'aiTimeline', icon: '/assets/icon/ai-timeline.svg', path: '/ai-timeline' },
   { id: 'openAITimeline', icon: '/assets/icon/openai_small.svg', path: '/openai-timeline' },
   { id: 'anthropicTimeline', icon: '/assets/icon/anthropic_small.svg', path: '/anthropic-timeline' },
   { id: 'deepSeekTimeline', icon: '/assets/icon/deepseek_small.jpg', path: '/deepseek-timeline' },

src/styles/HorizontalTimeline.css

+.vertical-timeline-container {
+  min-height: 100vh;
+  background: linear-gradient(135deg, #f5f7ff 0%, #ffffff 100%);
+  padding: 6rem 1rem 2rem;
+  position: relative;
+  color: #1a1a1a;
+}
+
+.vertical-timeline-container::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: 
+    linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px),
+    linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px);
+  background-size: 20px 20px;
+  pointer-events: none;
+  z-index: 1;
+}
+
+.timeline-title {
+  text-align: center;
+  font-size: 2.5rem;
+  margin-bottom: 3rem;
+  font-weight: 700;
+  letter-spacing: -0.02em;
+  position: relative;
+  z-index: 2;
+  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+}
+
+.category-filters {
+  display: flex;
+  justify-content: center;
+  gap: 1rem;
+  margin-bottom: 3rem;
+  flex-wrap: wrap;
+  position: relative;
+  z-index: 2;
+}
+
+.category-filter {
+  background: rgba(99, 102, 241, 0.1);
+  backdrop-filter: blur(5px);
+  border: 1px solid rgba(99, 102, 241, 0.2);
+  border-radius: 30px;
+  padding: 0.5rem 1.2rem;
+  font-size: 0.9rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  color: #4F46E5;
+}
+
+.category-filter.active {
+  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
+  border-color: transparent;
+  color: white;
+}
+
+.category-filter:hover:not(.active) {
+  background: rgba(99, 102, 241, 0.2);
+}
+
+.timeline-events-list {
+  max-width: 800px;
+  margin: 0 auto;
+  position: relative;
+  z-index: 2;
+  padding: 0 1rem;
+}
+
+.timeline-events-list::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  bottom: 0;
+  left: calc(50px + 1rem);
+  width: 3px;
+  background: linear-gradient(to bottom, rgba(99, 102, 241, 0.1), rgba(79, 70, 229, 0.3), rgba(99, 102, 241, 0.1));
+  border-radius: 1.5px;
+  transform: translateX(-50%);
+}
+
+.timeline-year-separator {
+  text-align: center;
+  font-size: 1.6rem;
+  margin: 2.5rem 0 1.5rem;
+  color: #4F46E5;
+  position: relative;
+  z-index: 3;
+  background: #f5f7ff;
+  display: inline-block;
+  padding: 0 1rem;
+  left: 50%;
+  transform: translateX(-50%);
+}
+
+.timeline-event-item {
+  display: flex;
+  align-items: flex-start;
+  gap: 1.5rem;
+  position: relative;
+  margin-bottom: 2rem;
+  padding-left: calc(50px + 1rem + 20px);
+}
+
+.event-date {
+  position: absolute;
+  left: 0;
+  top: 5px;
+  width: 50px;
+  text-align: right;
+  font-size: 0.85rem;
+  color: #6b7280;
+  font-weight: 500;
+  white-space: nowrap;
+}
+
+.timeline-event-item::before {
+  content: '';
+  position: absolute;
+  left: calc(50px + 1rem);
+  top: 12px;
+  width: 13px;
+  height: 13px;
+  border-radius: 50%;
+  background: white;
+  border: 3px solid #6366F1;
+  transform: translateX(-50%);
+  z-index: 3;
+  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
+}
+
+.event-cards-container {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+  flex-grow: 1;
+}
+
+.event-link {
+  background: rgba(255, 255, 255, 0.8);
+  backdrop-filter: blur(8px);
+  border-radius: 10px;
+  border: 1px solid rgba(99, 102, 241, 0.15);
+  padding: 1rem 1.2rem;
+  transition: all 0.3s ease, max-height 0.4s ease-in-out;
+  cursor: pointer;
+  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.08);
+  text-decoration: none;
+  color: #1a1a1a;
+  display: block;
+  position: relative;
+  overflow: hidden;
+}
+
+.event-link:hover {
+  transform: translateY(-3px);
+  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
+  border-color: rgba(99, 102, 241, 0.3);
+}
+
+.event-content {
+  /* Container inside link if needed, or apply styles directly to .event-link */
+}
+
+.event-title {
+  font-size: 1.1rem;
+  font-weight: 600;
+  margin-bottom: 0.5rem;
+  color: #374151;
+}
+
+.event-description {
+  font-size: 0.95rem;
+  line-height: 1.5;
+  color: #4b5563;
+  overflow: hidden;
+  display: -webkit-box;
+  -webkit-box-orient: vertical;
+  -webkit-line-clamp: 1;
+  max-height: calc(1.5em);
+  transition: max-height 0.3s ease-in-out;
+}
+
+.event-link:hover .event-description {
+  -webkit-line-clamp: unset;
+  max-height: 100px;
+}
+
+.event-arrow {
+  position: absolute;
+  top: 0.8rem;
+  right: 0.8rem;
+  font-size: 1.1rem;
+  color: rgba(99, 102, 241, 0.5);
+  transition: all 0.3s ease;
+  opacity: 0;
+}
+
+.event-link:hover .event-arrow {
+  opacity: 1;
+  color: #4F46E5;
+  transform: translate(2px, -2px);
+}
+
+.timeline-event-item.model-release::before {
+  border-color: #6366F1;
+  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
+}
+
+.timeline-event-item.open-source::before {
+  border-color: #22c55e;
+  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
+}
+
+.timeline-event-item.business-industry::before {
+  border-color: #F59E0B;
+  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
+}
+
+.timeline-event-item.research-papers::before {
+  border-color: #10B981;
+  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
+}
+
+.timeline-event-item.policy-regulation::before {
+  border-color: #EF4444;
+  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
+}
+
+.timeline-event-item.culture::before {
+  border-color: #EC4899;
+  box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.1);
+}
+
+@media (max-width: 768px) {
+  .vertical-timeline-container {
+    padding: 5rem 0.5rem 1.5rem;
+  }
+  
+  .timeline-title {
+    font-size: 2rem;
+    margin-bottom: 2rem;
+  }
+  
+  .category-filters {
+    gap: 0.5rem;
+    margin-bottom: 2rem;
+  }
+  
+  .category-filter {
+    padding: 0.4rem 1rem;
+    font-size: 0.85rem;
+  }
+  
+  .timeline-events-list {
+    padding: 0 0.5rem;
+  }
+  
+  .timeline-events-list::before {
+    left: calc(40px + 0.5rem);
+  }
+  
+  .timeline-event-item {
+    padding-left: calc(40px + 0.5rem + 15px);
+    gap: 1rem;
+  }
+  
+  .event-date {
+    width: 40px;
+    font-size: 0.8rem;
+  }
+  
+  .timeline-event-item::before {
+    left: calc(40px + 0.5rem);
+    top: 10px;
+    width: 11px;
+    height: 11px;
+    border-width: 2px;
+  }
+  
+  .event-cards-container {
+    gap: 0.5rem;
+  }
+  
+  .event-link {
+    padding: 0.8rem 1rem;
+  }
+  
+  .event-title {
+    font-size: 1rem;
+  }
+  
+  .event-description {
+    font-size: 0.9rem;
+    max-height: calc(1.5em);
+  }
+  
+  .event-link:hover .event-description {
+    max-height: 80px;
+  }
+  
+  .timeline-year-separator {
+    font-size: 1.5rem;
+  }
+}
+
+/* Styles for Attribution and Last Updated */
+.timeline-meta-info {
+  position: absolute;
+  top: 6rem;
+  left: 1rem;
+  z-index: 2;
+  text-align: left;
+}
+
+.timeline-meta-info p {
+  font-size: 0.8rem;
+  color: #6b7280;
+  margin-bottom: 0.3rem;
+  line-height: 1.3;
+}
+
+.timeline-meta-info a {
+  color: #4F46E5;
+  text-decoration: none;
+  transition: color 0.2s ease;
+}
+
+.timeline-meta-info a:hover {
+  color: #3730a3;
+  text-decoration: underline;
+}
+
+/* Responsive adjustments for meta info */
+@media (max-width: 768px) {
+  .timeline-meta-info {
+    top: 5rem;
+    left: 0.5rem;
+  }
+
+  .timeline-meta-info p {
+    font-size: 0.75rem;
+  }
+} 
\ No newline at end of file