diff --git a/ccw/src/core/dashboard-generator.ts b/ccw/src/core/dashboard-generator.ts
index 103add03..ddc31e99 100644
--- a/ccw/src/core/dashboard-generator.ts
+++ b/ccw/src/core/dashboard-generator.ts
@@ -106,6 +106,7 @@ const MODULE_FILES = [
   'i18n.js',  // Must be loaded first for translations
   'utils.js',
   'state.js',
+  'services.js',  // CacheManager, EventManager, PreloadService - must be before main.js
   'api.js',
   'components/theme.js',
   'components/modals.js',
diff --git a/ccw/src/templates/dashboard-js/main.js b/ccw/src/templates/dashboard-js/main.js
index bb2d0759..cbe6c478 100644
--- a/ccw/src/templates/dashboard-js/main.js
+++ b/ccw/src/templates/dashboard-js/main.js
@@ -5,6 +5,9 @@ document.addEventListener('DOMContentLoaded', async () => {
   // Initialize Lucide icons (must be first to render SVG icons)
   try { lucide.createIcons(); } catch (e) { console.error('Lucide icons init failed:', e); }
 
+  // Initialize preload services (must be early to start data fetching)
+  try { initPreloadServices(); } catch (e) { console.error('Preload services init failed:', e); }
+
   // Initialize i18n (must be early to translate static content)
   try { initI18n(); } catch (e) { console.error('I18n init failed:', e); }
 
@@ -90,3 +93,49 @@ document.addEventListener('DOMContentLoaded', async () => {
     }
   });
 });
+
+/**
+ * 初始化预加载服务
+ * 创建缓存管理器、事件管理器和预加载服务，并注册数据源
+ */
+function initPreloadServices() {
+  // 初始化服务实例
+  window.cacheManager = new CacheManager('ccw.cache.');
+  window.eventManager = new EventManager();
+  window.preloadService = new PreloadService(window.cacheManager, window.eventManager);
+
+  // 注册高优先级数据源（页面进入时立即预加载）
+  window.preloadService.register('dashboard-init',
+    () => fetch('/api/codexlens/dashboard-init').then(r => r.ok ? r.json() : Promise.reject(r)),
+    { isHighPriority: true, ttl: 300000 } // 5分钟
+  );
+
+  window.preloadService.register('workspace-status',
+    () => {
+      const path = encodeURIComponent(projectPath || '');
+      return fetch('/api/codexlens/workspace-status?path=' + path).then(r => r.ok ? r.json() : Promise.reject(r));
+    },
+    { isHighPriority: true, ttl: 120000 } // 2分钟
+  );
+
+  window.preloadService.register('cli-status',
+    () => fetch('/api/cli/status').then(r => r.ok ? r.json() : Promise.reject(r)),
+    { isHighPriority: true, ttl: 300000 } // 5分钟
+  );
+
+  // 注册中优先级数据源
+  window.preloadService.register('codexlens-models',
+    () => fetch('/api/codexlens/models').then(r => r.ok ? r.json() : Promise.reject(r)),
+    { isHighPriority: false, ttl: 600000 } // 10分钟
+  );
+
+  window.preloadService.register('cli-config',
+    () => fetch('/api/cli/config').then(r => r.ok ? r.json() : Promise.reject(r)),
+    { isHighPriority: false, ttl: 300000 } // 5分钟
+  );
+
+  // 立即触发高优先级预加载（静默后台执行）
+  window.preloadService.runInitialPreload();
+
+  console.log('[Preload] Services initialized, high-priority preload started');
+}
diff --git a/ccw/src/templates/dashboard-js/services.js b/ccw/src/templates/dashboard-js/services.js
new file mode 100644
index 00000000..1cceeede
--- /dev/null
+++ b/ccw/src/templates/dashboard-js/services.js
@@ -0,0 +1,289 @@
+// ========================================
+// Services Module
+// ========================================
+// 核心服务类：缓存管理、事件管理、预加载服务
+
+// ========== CacheManager ==========
+/**
+ * 基于 sessionStorage 的缓存管理器
+ * 支持 TTL 过期机制
+ */
+class CacheManager {
+  /**
+   * 创建缓存管理器实例
+   * @param {string} prefix - 缓存键前缀
+   * @param {Storage} storage - 存储对象（默认 sessionStorage）
+   */
+  constructor(prefix = 'ccw.cache.', storage = sessionStorage) {
+    this.prefix = prefix;
+    this.storage = storage;
+  }
+
+  /**
+   * 获取缓存数据
+   * @param {string} key - 缓存键
+   * @returns {*} 缓存数据，过期或不存在返回 null
+   */
+  get(key) {
+    try {
+      const fullKey = this.prefix + key;
+      const raw = this.storage.getItem(fullKey);
+      if (!raw) return null;
+
+      const cached = JSON.parse(raw);
+      // 检查是否过期
+      if (cached.timestamp && Date.now() > cached.timestamp) {
+        this.storage.removeItem(fullKey);
+        return null;
+      }
+
+      return cached.data;
+    } catch (e) {
+      console.error('[CacheManager] 获取缓存失败:', e);
+      return null;
+    }
+  }
+
+  /**
+   * 设置缓存数据
+   * @param {string} key - 缓存键
+   * @param {*} data - 要缓存的数据
+   * @param {number} ttl - 过期时间（毫秒），默认 3 分钟
+   */
+  set(key, data, ttl = 180000) {
+    try {
+      const fullKey = this.prefix + key;
+      const cached = {
+        data: data,
+        timestamp: Date.now() + ttl
+      };
+      this.storage.setItem(fullKey, JSON.stringify(cached));
+    } catch (e) {
+      console.error('[CacheManager] 设置缓存失败:', e);
+    }
+  }
+
+  /**
+   * 检查缓存是否有效
+   * @param {string} key - 缓存键
+   * @returns {boolean} 缓存是否存在且未过期
+   */
+  isValid(key) {
+    try {
+      const fullKey = this.prefix + key;
+      const raw = this.storage.getItem(fullKey);
+      if (!raw) return false;
+
+      const cached = JSON.parse(raw);
+      if (cached.timestamp && Date.now() > cached.timestamp) {
+        return false;
+      }
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+
+  /**
+   * 使单个缓存失效
+   * @param {string} key - 缓存键
+   */
+  invalidate(key) {
+    try {
+      const fullKey = this.prefix + key;
+      this.storage.removeItem(fullKey);
+    } catch (e) {
+      console.error('[CacheManager] 使缓存失效失败:', e);
+    }
+  }
+
+  /**
+   * 清除所有带前缀的缓存
+   */
+  invalidateAll() {
+    try {
+      const keysToRemove = [];
+      for (let i = 0; i < this.storage.length; i++) {
+        const key = this.storage.key(i);
+        if (key && key.startsWith(this.prefix)) {
+          keysToRemove.push(key);
+        }
+      }
+      keysToRemove.forEach(key => this.storage.removeItem(key));
+    } catch (e) {
+      console.error('[CacheManager] 清除所有缓存失败:', e);
+    }
+  }
+}
+
+
+// ========== EventManager ==========
+/**
+ * 简单的发布/订阅事件管理器
+ */
+class EventManager {
+  /**
+   * 创建事件管理器实例
+   */
+  constructor() {
+    this.events = {};
+  }
+
+  /**
+   * 订阅事件
+   * @param {string} eventName - 事件名称
+   * @param {Function} fn - 回调函数
+   */
+  on(eventName, fn) {
+    if (!this.events[eventName]) {
+      this.events[eventName] = [];
+    }
+    this.events[eventName].push(fn);
+  }
+
+  /**
+   * 取消订阅事件
+   * @param {string} eventName - 事件名称
+   * @param {Function} fn - 要移除的回调函数
+   */
+  off(eventName, fn) {
+    if (!this.events[eventName]) return;
+    this.events[eventName] = this.events[eventName].filter(f => f !== fn);
+  }
+
+  /**
+   * 触发事件
+   * @param {string} eventName - 事件名称
+   * @param {*} data - 传递给回调的数据
+   */
+  emit(eventName, data) {
+    if (!this.events[eventName]) return;
+    this.events[eventName].forEach(fn => {
+      try {
+        fn(data);
+      } catch (e) {
+        console.error('[EventManager] 事件回调执行失败:', eventName, e);
+      }
+    });
+  }
+}
+
+
+// ========== PreloadService ==========
+/**
+ * 预加载服务
+ * 管理数据源注册和预加载，防止重复请求
+ */
+class PreloadService {
+  /**
+   * 创建预加载服务实例
+   * @param {CacheManager} cacheManager - 缓存管理器实例
+   * @param {EventManager} eventManager - 事件管理器实例
+   */
+  constructor(cacheManager, eventManager) {
+    this.cacheManager = cacheManager;
+    this.eventManager = eventManager;
+    // 已注册的数据源
+    this.sources = new Map();
+    // 进行中的请求 Promise，防止重复请求
+    this.inFlight = new Map();
+  }
+
+  /**
+   * 注册数据源
+   * @param {string} key - 数据源标识
+   * @param {Function} fetchFn - 获取数据的异步函数
+   * @param {Object} options - 配置选项
+   * @param {boolean} options.isHighPriority - 是否高优先级（初始预加载）
+   * @param {number} options.ttl - 缓存 TTL（毫秒）
+   */
+  register(key, fetchFn, options = {}) {
+    this.sources.set(key, {
+      fetchFn: fetchFn,
+      isHighPriority: options.isHighPriority || false,
+      ttl: options.ttl || 180000
+    });
+  }
+
+  /**
+   * 预加载指定数据源
+   * @param {string} key - 数据源标识
+   * @param {Object} options - 预加载选项
+   * @param {boolean} options.force - 是否强制刷新（忽略缓存）
+   * @returns {Promise<*>} 预加载的数据
+   */
+  async preload(key, options = {}) {
+    const source = this.sources.get(key);
+    if (!source) {
+      console.warn('[PreloadService] 未找到数据源:', key);
+      return null;
+    }
+
+    // 检查缓存（非强制刷新时）
+    if (!options.force && this.cacheManager.isValid(key)) {
+      return this.cacheManager.get(key);
+    }
+
+    // 检查是否有进行中的请求
+    if (this.inFlight.has(key)) {
+      return this.inFlight.get(key);
+    }
+
+    // 创建新请求
+    const requestPromise = this._doFetch(key, source);
+    this.inFlight.set(key, requestPromise);
+
+    try {
+      const result = await requestPromise;
+      return result;
+    } finally {
+      // 请求完成后移除
+      this.inFlight.delete(key);
+    }
+  }
+
+  /**
+   * 执行实际的数据获取
+   * @private
+   */
+  async _doFetch(key, source) {
+    try {
+      const data = await source.fetchFn();
+      // 存入缓存
+      this.cacheManager.set(key, data, source.ttl);
+      // 发出更新事件
+      this.eventManager.emit('data:updated:' + key, data);
+      this.eventManager.emit('data:updated', { key: key, data: data });
+      return data;
+    } catch (e) {
+      console.error('[PreloadService] 预加载失败:', key, e);
+      // 发出错误事件
+      this.eventManager.emit('data:error:' + key, e);
+      throw e;
+    }
+  }
+
+  /**
+   * 运行所有高优先级预加载
+   * @returns {Promise<void>}
+   */
+  async runInitialPreload() {
+    const highPriorityKeys = [];
+    this.sources.forEach((source, key) => {
+      if (source.isHighPriority) {
+        highPriorityKeys.push(key);
+      }
+    });
+
+    // 并行执行所有高优先级预加载
+    await Promise.allSettled(
+      highPriorityKeys.map(key => this.preload(key))
+    );
+  }
+}
+
+
+// ========== 导出到 window ==========
+window.CacheManager = CacheManager;
+window.EventManager = EventManager;
+window.PreloadService = PreloadService;
diff --git a/ccw/src/templates/dashboard-js/views/cli-manager.js b/ccw/src/templates/dashboard-js/views/cli-manager.js
index 31d0c0ac..b446e0ab 100644
--- a/ccw/src/templates/dashboard-js/views/cli-manager.js
+++ b/ccw/src/templates/dashboard-js/views/cli-manager.js
@@ -10,6 +10,69 @@ var cliWrapperEndpoints = [];  // CLI封装 endpoints from /api/cli/settings
 var cliToolConfig = null;  // Store loaded CLI config
 var predefinedModels = {}; // Store predefined models per tool
 
+// ========== Cache Key Mapping ==========
+// 缓存键映射（旧键名 -> 新键名）
+var CLI_CACHE_KEY_MAP = {
+  toolConfig: 'cli-config',
+  toolStatus: 'cli-status',
+  installations: 'cli-installations',
+  endpointTools: 'cli-endpoint-tools',
+  litellmEndpoints: 'cli-litellm-endpoints',
+  customEndpoints: 'cli-custom-endpoints',
+  wrapperEndpoints: 'cli-wrapper-endpoints'
+};
+
+// ========== CLI Cache Bridge ==========
+
+/**
+ * 获取 CLI 缓存数据
+ * @param {string} key - 缓存键
+ * @returns {*} 缓存的数据或 null
+ */
+function getCliCachedData(key) {
+  if (!window.cacheManager) return null;
+  var newKey = CLI_CACHE_KEY_MAP[key] || key;
+  return window.cacheManager.get(newKey);
+}
+
+/**
+ * 设置 CLI 缓存数据
+ * @param {string} key - 缓存键
+ * @param {*} data - 要缓存的数据
+ * @param {number} ttl - 缓存 TTL（毫秒），默认 5 分钟
+ */
+function setCliCacheData(key, data, ttl) {
+  if (!window.cacheManager) return;
+  ttl = ttl || 300000;
+  var newKey = CLI_CACHE_KEY_MAP[key] || key;
+  window.cacheManager.set(newKey, data, ttl);
+}
+
+/**
+ * 注册 CLI 相关数据源到预加载服务
+ * 仅在数据源尚未注册时添加
+ */
+function registerCliDataSources() {
+  if (!window.preloadService) return;
+
+  var sources = [
+    { key: 'cli-installations', url: '/api/ccw/installations', priority: false, ttl: 300000 },
+    { key: 'cli-endpoint-tools', url: '/api/ccw/tools', priority: false, ttl: 300000 },
+    { key: 'cli-litellm-endpoints', url: '/api/litellm-api/config', priority: false, ttl: 300000 },
+    { key: 'cli-custom-endpoints', url: '/api/cli/endpoints', priority: false, ttl: 300000 },
+    { key: 'cli-wrapper-endpoints', url: '/api/cli/settings', priority: false, ttl: 300000 }
+  ];
+
+  sources.forEach(function(src) {
+    if (!window.preloadService.sources.has(src.key)) {
+      window.preloadService.register(src.key,
+        function() { return fetch(src.url).then(function(r) { return r.ok ? r.json() : Promise.reject(r); }); },
+        { isHighPriority: src.priority, ttl: src.ttl }
+      );
+    }
+  });
+}
+
 // ========== CSRF Token Management ==========
 var csrfToken = null;  // Store CSRF token for state-changing requests
 
@@ -290,12 +353,23 @@ window.syncEndpointToCliTools = syncEndpointToCliTools;
 
 // ========== CLI Tool Configuration ==========
 async function loadCliToolConfig() {
+  // 尝试从缓存获取
+  var cached = getCliCachedData('toolConfig');
+  if (cached) {
+    cliToolConfig = cached.config || null;
+    predefinedModels = cached.predefinedModels || {};
+    return cached;
+  }
+
   try {
     var response = await fetch('/api/cli/config');
     if (!response.ok) throw new Error('Failed to load CLI config');
     var data = await response.json();
     cliToolConfig = data.config || null;
     predefinedModels = data.predefinedModels || {};
+
+    // 缓存结果
+    setCliCacheData('toolConfig', data);
     return data;
   } catch (err) {
     console.error('Failed to load CLI config:', err);
@@ -650,29 +724,50 @@ function initToolConfigModalEvents(tool, currentConfig, models) {
 }
 
 // ========== Rendering ==========
-async function renderCliManager() {
-  var container = document.getElementById('mainContent');
-  if (!container) return;
 
-  // Hide stats grid and search for CLI view
-  var statsGrid = document.getElementById('statsGrid');
-  var searchInput = document.getElementById('searchInput');
-  if (statsGrid) statsGrid.style.display = 'none';
-  if (searchInput) searchInput.parentElement.style.display = 'none';
-
-  // Load data (including CodexLens status for tools section)
-  // loadCliToolsConfig() ensures cli-tools.json is auto-created if missing
-  await Promise.all([
-    loadCliToolsConfig(),
-    loadCliToolStatus(),
-    loadCodexLensStatus(),
-    loadCcwInstallations(),
-    loadCcwEndpointTools(),
-    loadLitellmApiEndpoints(),
-    loadCliCustomEndpoints(),
-    loadCliWrapperEndpoints()
-  ]);
+/**
+ * 构建 CLI Manager 骨架屏
+ * @returns {string} HTML 字符串
+ */
+function buildCliManagerSkeleton() {
+  return '<div class="space-y-6">' +
+    '<div class="flex items-center justify-between mb-4">' +
+      '<h2 class="text-lg font-semibold">' + (t('nav.cliManager') || 'CLI Status') + '</h2>' +
+    '</div>' +
+    '<div class="grid grid-cols-1 lg:grid-cols-2 gap-6">' +
+      // 左侧 Tools 区域骨架
+      '<div class="card p-4">' +
+        '<div class="animate-pulse space-y-4">' +
+          '<div class="h-4 bg-muted rounded w-1/3"></div>' +
+          '<div class="h-16 bg-muted rounded"></div>' +
+          '<div class="h-16 bg-muted rounded"></div>' +
+          '<div class="h-16 bg-muted rounded"></div>' +
+        '</div>' +
+      '</div>' +
+      // 右侧 CCW 区域骨架
+      '<div class="card p-4">' +
+        '<div class="animate-pulse space-y-4">' +
+          '<div class="h-4 bg-muted rounded w-1/3"></div>' +
+          '<div class="h-20 bg-muted rounded"></div>' +
+          '<div class="h-20 bg-muted rounded"></div>' +
+        '</div>' +
+      '</div>' +
+    '</div>' +
+    // 底部区域骨架
+    '<div class="card p-4">' +
+      '<div class="animate-pulse space-y-4">' +
+        '<div class="h-4 bg-muted rounded w-1/4"></div>' +
+        '<div class="h-12 bg-muted rounded"></div>' +
+      '</div>' +
+    '</div>' +
+  '</div>';
+}
 
+/**
+ * 渲染 CLI Manager 实际内容（内部容器结构 + 各子面板）
+ * @param {HTMLElement} container - 主容器元素
+ */
+function renderCliManagerContent(container) {
   container.innerHTML = '<div class="status-manager">' +
     '<div class="status-two-column">' +
     '<div class="cli-section" id="tools-section"></div>' +
@@ -684,23 +779,87 @@ async function renderCliManager() {
     '</div>' +
     '<section id="storageCard" class="mb-6"></section>';
 
-  // Render sub-panels
+  // 渲染子面板
   renderToolsSection();
   renderCcwSection();
   renderLanguageSettingsSection();
   renderCliSettingsSection();
   renderCcwEndpointToolsSection();
 
-  // Initialize storage manager card
+  // 初始化存储管理器卡片
   if (typeof initStorageManager === 'function') {
     initStorageManager();
   }
 
-  // Initialize Lucide icons
+  // 初始化 Lucide 图标
+  if (window.lucide) lucide.createIcons();
+}
+
+async function renderCliManager() {
+  var container = document.getElementById('mainContent');
+  if (!container) return;
+
+  // 隐藏统计网格和搜索框
+  var statsGrid = document.getElementById('statsGrid');
+  var searchInput = document.getElementById('searchInput');
+  if (statsGrid) statsGrid.style.display = 'none';
+  if (searchInput) searchInput.parentElement.style.display = 'none';
+
+  // 注册数据源（如果尚未注册）
+  registerCliDataSources();
+
+  // 1. 立即显示骨架屏
+  container.innerHTML = buildCliManagerSkeleton();
   if (window.lucide) lucide.createIcons();
 
-  // Sync active executions to restore running state
-  await syncActiveExecutions();
+  // 2. 尝试从缓存渲染（快速展示）
+  var cachedConfig = getCliCachedData('toolConfig');
+  var cachedStatus = getCliCachedData('toolStatus');
+  var hasCachedData = cachedConfig && cachedStatus;
+
+  if (hasCachedData) {
+    // 应用缓存数据
+    cliToolConfig = cachedConfig.config;
+    predefinedModels = cachedConfig.predefinedModels || {};
+    // 立即渲染缓存数据
+    renderCliManagerContent(container);
+    console.log('[CLI Manager] Rendered from cache');
+  }
+
+  // 3. 后台加载最新数据
+  try {
+    await Promise.all([
+      loadCliToolsConfig(),
+      loadCliToolStatus(),
+      loadCodexLensStatus(),
+      loadCcwInstallations(),
+      loadCcwEndpointTools(),
+      loadLitellmApiEndpoints(),
+      loadCliCustomEndpoints(),
+      loadCliWrapperEndpoints()
+    ]);
+
+    // 4. 用最新数据更新 UI（如果之前未渲染或数据有变化）
+    renderCliManagerContent(container);
+    console.log('[CLI Manager] Rendered with fresh data');
+  } catch (err) {
+    console.error('[CLI Manager] Failed to load data:', err);
+    // 如果没有缓存数据且加载失败，显示错误提示
+    if (!hasCachedData) {
+      container.innerHTML = '<div class="card p-4 text-center">' +
+        '<i data-lucide="alert-circle" class="w-8 h-8 text-muted-foreground mx-auto mb-2"></i>' +
+        '<p class="text-muted-foreground">' + (t('common.loadFailed') || 'Failed to load data') + '</p>' +
+        '<button class="btn btn-sm mt-2" onclick="renderCliManager()">' +
+          '<i data-lucide="refresh-cw" class="w-3 h-3 mr-1"></i>' +
+          (t('common.retry') || 'Retry') +
+        '</button>' +
+      '</div>';
+      if (window.lucide) lucide.createIcons();
+    }
+  }
+
+  // 同步活动执行
+  syncActiveExecutions();
 }
 
 // ========== Helper Functions ==========
diff --git a/ccw/src/templates/dashboard-js/views/codexlens-manager.js b/ccw/src/templates/dashboard-js/views/codexlens-manager.js
index c87faab2..90d11962 100644
--- a/ccw/src/templates/dashboard-js/views/codexlens-manager.js
+++ b/ccw/src/templates/dashboard-js/views/codexlens-manager.js
@@ -2,124 +2,107 @@
 // Extracted from cli-manager.js for better maintainability
 
 // ============================================================
-// CACHE MANAGEMENT
+// CACHE BRIDGE - 使用全局 PreloadService
 // ============================================================
 
-// Cache TTL in milliseconds (30 seconds default)
-const CODEXLENS_CACHE_TTL = 30000;
-
-// Cache storage for CodexLens data
-const codexLensCache = {
-  workspaceStatus: { data: null, timestamp: 0 },
-  config: { data: null, timestamp: 0 },
-  rerankerConfig: { data: null, timestamp: 0 },
-  status: { data: null, timestamp: 0 },
-  env: { data: null, timestamp: 0 },
-  models: { data: null, timestamp: 0 },
-  rerankerModels: { data: null, timestamp: 0 },
-  semanticStatus: { data: null, timestamp: 0 },
-  gpuList: { data: null, timestamp: 0 },
-  indexes: { data: null, timestamp: 0 }
+// 缓存键映射（旧键名 -> 新键名）
+const CACHE_KEY_MAP = {
+  workspaceStatus: 'workspace-status',
+  config: 'codexlens-config',
+  rerankerConfig: 'codexlens-reranker-config',
+  status: 'codexlens-status',
+  env: 'codexlens-env',
+  models: 'codexlens-models',
+  rerankerModels: 'codexlens-reranker-models',
+  semanticStatus: 'codexlens-semantic-status',
+  gpuList: 'codexlens-gpu-list',
+  indexes: 'codexlens-indexes'
 };
 
 /**
- * Check if cache is valid (not expired)
- * @param {string} key - Cache key
- * @param {number} ttl - Optional custom TTL
+ * 兼容性函数：检查缓存是否有效
+ * @param {string} key - 旧缓存键
  * @returns {boolean}
  */
-function isCacheValid(key, ttl = CODEXLENS_CACHE_TTL) {
-  const cache = codexLensCache[key];
-  if (!cache || !cache.data) return false;
-  return (Date.now() - cache.timestamp) < ttl;
+function isCacheValid(key) {
+  if (!window.cacheManager) return false;
+  const newKey = CACHE_KEY_MAP[key] || key;
+  return window.cacheManager.isValid(newKey);
 }
 
 /**
- * Get cached data
- * @param {string} key - Cache key
- * @returns {*} Cached data or null
+ * 兼容性函数：获取缓存数据
+ * @param {string} key - 旧缓存键
+ * @returns {*}
  */
 function getCachedData(key) {
-  return codexLensCache[key]?.data || null;
+  if (!window.cacheManager) return null;
+  const newKey = CACHE_KEY_MAP[key] || key;
+  return window.cacheManager.get(newKey);
 }
 
 /**
- * Set cache data
- * @param {string} key - Cache key
- * @param {*} data - Data to cache
+ * 兼容性函数：设置缓存数据
+ * @param {string} key - 旧缓存键
+ * @param {*} data - 数据
+ * @param {number} ttl - 可选的 TTL
  */
-function setCacheData(key, data) {
-  if (codexLensCache[key]) {
-    codexLensCache[key].data = data;
-    codexLensCache[key].timestamp = Date.now();
-  }
+function setCacheData(key, data, ttl = 180000) {
+  if (!window.cacheManager) return;
+  const newKey = CACHE_KEY_MAP[key] || key;
+  window.cacheManager.set(newKey, data, ttl);
 }
 
 /**
- * Invalidate specific cache or all caches
- * @param {string} key - Cache key (optional, if not provided clears all)
+ * 兼容性函数：使缓存失效
+ * @param {string} key - 旧缓存键（可选，不提供则清除所有）
  */
 function invalidateCache(key) {
-  if (key && codexLensCache[key]) {
-    codexLensCache[key].data = null;
-    codexLensCache[key].timestamp = 0;
-  } else if (!key) {
-    Object.keys(codexLensCache).forEach(function(k) {
-      codexLensCache[k].data = null;
-      codexLensCache[k].timestamp = 0;
+  if (!window.cacheManager) return;
+  if (key) {
+    const newKey = CACHE_KEY_MAP[key] || key;
+    window.cacheManager.invalidate(newKey);
+  } else {
+    // 清除所有 codexlens 相关缓存
+    Object.values(CACHE_KEY_MAP).forEach(function(k) {
+      window.cacheManager.invalidate(k);
     });
   }
 }
 
-// Preload promises for tracking in-flight requests
-var codexLensPreloadPromises = {};
-
 /**
- * Preload CodexLens data in the background
- * Called immediately when entering the CodexLens page
+ * 预加载 CodexLens 数据
+ * 现在委托给全局 PreloadService
  * @returns {Promise<void>}
  */
 async function preloadCodexLensData() {
-  console.log('[CodexLens] Starting preload...');
-
-  // Skip if already preloading or cache is valid
-  if (codexLensPreloadPromises.inProgress) {
-    console.log('[CodexLens] Preload already in progress, skipping');
-    return codexLensPreloadPromises.inProgress;
+  console.log('[CodexLens] Preload delegated to PreloadService');
+  if (!window.preloadService) {
+    console.warn('[CodexLens] PreloadService not available');
+    return;
   }
 
-  // Check if all caches are valid
-  var allCacheValid = isCacheValid('config') && isCacheValid('models') &&
-                      isCacheValid('rerankerConfig') && isCacheValid('rerankerModels') &&
-                      isCacheValid('semanticStatus') && isCacheValid('env');
-  if (allCacheValid) {
-    console.log('[CodexLens] All caches valid, skipping preload');
-    return Promise.resolve();
-  }
+  // 注册额外的数据源（如果尚未注册）
+  const additionalSources = [
+    { key: 'codexlens-config', url: '/api/codexlens/config', priority: true, ttl: 300000 },
+    { key: 'codexlens-reranker-config', url: '/api/codexlens/reranker/config', priority: false, ttl: 300000 },
+    { key: 'codexlens-reranker-models', url: '/api/codexlens/reranker/models', priority: false, ttl: 600000 },
+    { key: 'codexlens-semantic-status', url: '/api/codexlens/semantic/status', priority: false, ttl: 300000 },
+    { key: 'codexlens-env', url: '/api/codexlens/env', priority: false, ttl: 300000 }
+  ];
 
-  // Start preloading all endpoints in parallel
-  codexLensPreloadPromises.inProgress = Promise.all([
-    // Config and models
-    !isCacheValid('config') ? fetch('/api/codexlens/config').then(r => r.json()).then(d => setCacheData('config', d)) : Promise.resolve(),
-    !isCacheValid('models') ? fetch('/api/codexlens/models').then(r => r.json()).then(d => setCacheData('models', d)) : Promise.resolve(),
-    // Reranker config and models
-    !isCacheValid('rerankerConfig') ? fetch('/api/codexlens/reranker/config').then(r => r.json()).then(d => setCacheData('rerankerConfig', d)) : Promise.resolve(),
-    !isCacheValid('rerankerModels') ? fetch('/api/codexlens/reranker/models').then(r => r.json()).then(d => setCacheData('rerankerModels', d)).catch(() => null) : Promise.resolve(),
-    // Workspace status
-    !isCacheValid('workspaceStatus') ? fetch('/api/codexlens/workspace-status?path=' + encodeURIComponent(projectPath || '')).then(r => r.json()).then(d => setCacheData('workspaceStatus', d)).catch(() => null) : Promise.resolve(),
-    // Semantic status (for FastEmbed detection)
-    !isCacheValid('semanticStatus') ? fetch('/api/codexlens/semantic/status').then(r => r.json()).then(d => setCacheData('semanticStatus', d)).catch(() => null) : Promise.resolve(),
-    // Environment variables
-    !isCacheValid('env') ? fetch('/api/codexlens/env').then(r => r.json()).then(d => { if (d.success) setCacheData('env', d); }).catch(() => null) : Promise.resolve()
-  ]).then(function() {
-    console.log('[CodexLens] Preload completed');
-    codexLensPreloadPromises.inProgress = null;
-  }).catch(function(err) {
-    console.warn('[CodexLens] Preload error:', err);
-    codexLensPreloadPromises.inProgress = null;
+  additionalSources.forEach(function(src) {
+    if (!window.preloadService.sources.has(src.key)) {
+      window.preloadService.register(src.key,
+        () => fetch(src.url).then(r => r.ok ? r.json() : Promise.reject(r)),
+        { isHighPriority: src.priority, ttl: src.ttl }
+      );
+    }
   });
 
-  return codexLensPreloadPromises.inProgress;
+  // 触发预加载
+  const preloadKeys = ['workspace-status', 'codexlens-config', 'codexlens-models'];
+  await Promise.all(preloadKeys.map(key => window.preloadService.preload(key).catch(() => null)));
 }
 
 // ============================================================
@@ -145,7 +128,7 @@ function escapeHtml(str) {
 
 /**
  * Refresh workspace index status (FTS and Vector coverage)
- * Updates both the detailed panel (if exists) and header badges
+ * Uses progressive rendering: show cached data first, auto-refresh after background update
  * @param {boolean} forceRefresh - Force refresh, bypass cache
  */
 async function refreshWorkspaceIndexStatus(forceRefresh) {
@@ -156,38 +139,47 @@ async function refreshWorkspaceIndexStatus(forceRefresh) {
   // If neither container nor header elements exist, nothing to update
   if (!container && !headerFtsEl) return;
 
-  // Check cache first (unless force refresh)
-  if (!forceRefresh && isCacheValid('workspaceStatus')) {
-    var cachedResult = getCachedData('workspaceStatus');
-    updateWorkspaceStatusUI(cachedResult, container, headerFtsEl, headerVectorEl);
-    return;
-  }
+  // Render function
+  var render = function(result) {
+    updateWorkspaceStatusUI(result, container, headerFtsEl, headerVectorEl);
+  };
 
-  // Show loading state in container
-  if (container) {
+  // 1. Try to render from cache immediately
+  var cachedResult = getCachedData('workspaceStatus');
+  if (cachedResult && !forceRefresh) {
+    render(cachedResult);
+  } else if (container) {
+    // Show skeleton screen
     container.innerHTML = '<div class="text-xs text-muted-foreground text-center py-2">' +
       '<i data-lucide="loader-2" class="w-4 h-4 animate-spin inline mr-1"></i> ' + (t('common.loading') || 'Loading...') +
       '</div>';
     if (window.lucide) lucide.createIcons();
   }
 
-  try {
-    var response = await fetch('/api/codexlens/workspace-status?path=' + encodeURIComponent(projectPath || ''));
-    var result = await response.json();
+  // 2. Listen for data update events
+  if (window.eventManager) {
+    var handleUpdate = function(data) {
+      render(data);
+    };
+    // Use one-time listener or remove at appropriate time
+    window.eventManager.on('data:updated:workspace-status', handleUpdate);
+  }
 
-    // Cache the result
-    setCacheData('workspaceStatus', result);
-
-    updateWorkspaceStatusUI(result, container, headerFtsEl, headerVectorEl);
-  } catch (err) {
-    console.error('[CodexLens] Failed to load workspace status:', err);
-    if (headerFtsEl) headerFtsEl.textContent = '--';
-    if (headerVectorEl) headerVectorEl.textContent = '--';
-    if (container) {
-      container.innerHTML = '<div class="text-xs text-destructive text-center py-2">' +
-        '<i data-lucide="alert-circle" class="w-4 h-4 inline mr-1"></i> ' +
-        (t('common.error') || 'Error') + ': ' + err.message +
-        '</div>';
+  // 3. Trigger background loading
+  if (window.preloadService) {
+    try {
+      var freshData = await window.preloadService.preload('workspace-status', { force: forceRefresh });
+      render(freshData);
+    } catch (err) {
+      console.error('[CodexLens] Failed to load workspace status:', err);
+      if (headerFtsEl) headerFtsEl.textContent = '--';
+      if (headerVectorEl) headerVectorEl.textContent = '--';
+      if (container) {
+        container.innerHTML = '<div class="text-xs text-destructive text-center py-2">' +
+          '<i data-lucide="alert-circle" class="w-4 h-4 inline mr-1"></i> ' +
+          (t('common.error') || 'Error') + ': ' + err.message +
+          '</div>';
+      }
     }
   }