docs: 同步 i18n 移除与存储初始化防覆盖说明 (#73)

- 移除已废弃的 chrome.i18n / _locales 文档引用
- 补充 UI 文案规范（features.tsx + 组件内中文）
- 记录 RouterProvider / useStorageState 初始化防覆盖机制
- 更新 syncSnapshot、themeSnapshot、restrictedUrls 工具说明

.github/CI.md

@@ -0,0 +1,17 @@
+# CI/CD 配置
+
+## CI 步骤
+
+严格顺序，任一步骤失败则停止并标记 CI 失败：
+
+1. `setup`（安装依赖、`wxt prepare`）
+2. 并行运行 `lint`、`typecheck`、`test`（三者全部通过才继续）
+3. `build`（仅当步骤 2 全部成功时执行）
+
+## Pre-commit Hook
+
+`.husky/pre-commit` 调用 `lint-staged`，任一步骤返回非零则终止提交：
+
+1. 代码文件 (`*.{ts,tsx,js,jsx,mjs}`)：运行 `eslint --fix --max-warnings=0 --no-warn-ignored`；若失败则终止并报告错误
+2. 同一代码文件：运行 `prettier --write`
+3. 其他文件 (`*.{json,css,scss,md}`)：运行 `prettier --write`

.github/CODING_STANDARDS.md

@@ -265,12 +265,11 @@ const visibleSet = useMemo(() => new Set<string>(visiblePages), [visiblePages]);
 2. 第三方库（图标、UI 库等）
 3. 业务 Provider / Context
 4. 配置 / 存储
-5. i18n
-6. 本地页面组件
-7. UI 组件
-8. 工具函数 / Hook
-9. 类型
-10. 常量
+5. 本地页面组件
+6. UI 组件
+7. 工具函数 / Hook
+8. 类型
+9. 常量
 
 ```typescript
 // 1. React 核心
@@ -284,18 +283,16 @@ import { useThemeMode } from '@/providers/ThemeModeProvider';
 // 4. 配置 / 存储
 import { FeatureConfig, FEATURES } from '@/config/features';
 import { storageUtil } from '@/utils/chromeStorage';
-// 5. i18n
-import { useI18n } from '@/utils/chromeI18n';
-// 6. 本地组件
+// 5. 本地组件
 import TextMode from './TextMode';
 import { ZONES } from './constants';
-// 7. UI 组件
+// 6. UI 组件
 import SwitchButtonGroup from '@/components/SwitchButtonGroup';
 import { Button } from '@/components/ui/button';
-// 8. 工具函数 / Hook
+// 7. 工具函数 / Hook
 import { cn } from '@/lib/utils';
 import { useStorageState } from '@/utils/useStorageState';
-// 9. 类型
+// 8. 类型
 import type { PageType, StorageSchema } from '@/types/storage';
 ```
 
@@ -559,7 +556,7 @@ describe('SwitchButtonGroup 组件', () => {
 - 使用 `vi.mock()` 进行模块级 Mock
 - 使用 `vi.fn()` 进行函数级 Mock
 - 使用 `vi.useFakeTimers()` 控制时间
-- **避免重复 mock `vitest.setup.ts` 中已有的内容**（chrome API、i18n、matchMedia 等）
+- **避免重复 mock `vitest.setup.ts` 中已有的内容**（chrome API、matchMedia 等）
 
 ```typescript
 // ✅ 模块级 Mock
@@ -657,7 +654,7 @@ export function useTimestampConverter(): UseTimestampConverterReturn { ... }
 
 ```
 src/utils/useStorageState.ts          — Chrome Storage 状态持久化
-src/utils/chromeI18n.ts               — chrome.i18n wrapper 与 useI18n
+src/utils/syncSnapshot.ts             — localStorage 快照读取
 src/utils/useContextMenuData.ts       — 右键菜单数据
 src/utils/useDebounce.ts              — 防抖
 src/pages/Timestamp/useTimestampConverter.ts    — 页面级 Hook
@@ -666,52 +663,50 @@ src/pages/StorageCleaner/useStorageCleaner.ts  — 页面级 Hook
 
 ---
 
-## 9. 国际化规范
+## 9. UI 文案规范
 
-### 9.1 翻译键格式
+项目已移除 `chrome.i18n`，所有 UI 文案直接在代码中使用中文。
 
-- 使用 Chrome 扩展标准的 `chrome.i18n`，通过 `src/utils/chromeI18n.ts` 暴露 `useI18n`
-- 翻译 key 存放在 `public/_locales/zh_CN/messages.json`
-- 直接 key：`t('dashboard_title')` → 查找 `dashboard_title`
-- 命名空间兼容写法：`t('common:buttons.search')` → 查找 `common_buttons_search`
-- 命名空间参数：`useI18n(['common', 'features'])` 会尝试 `common_key`、`features_key`
+### 9.1 功能元数据
 
-### 9.2 翻译文件结构
-
-```
-public/_locales/zh_CN/messages.json        — Chrome 扩展默认语言包
-wxt.config.ts                              — manifest.default_locale = 'zh_CN'
-```
-
-### 9.3 使用方式
+功能名称与描述在 `config/features.tsx` 的 `FEATURES` 数组中定义：
 
 ```typescript
-// ✅ 页面组件 / 子组件 — 使用 useI18n
-import { useI18n } from '@/utils/chromeI18n';
-
-export default function Index() {
-  const { t } = useI18n('timestamp');
-  return <h1>{t('timestamp_title')}</h1>;
-}
-
-// ✅ 带占位符
-export function NotFoundMessage() {
-  const { t } = useI18n('router');
-  return <p>{t('router_notFoundDescription', { entryPointType: 'popup' })}</p>;
-}
-```
-
-### 9.4 添加新翻译
-
-1. 在 `public/_locales/zh_CN/messages.json` 添加 Chrome 扩展格式的消息：
-   ```json
 {
-     "feature_title": { "message": "功能标题" },
-     "feature_description": { "message": "功能描述" }
+  key: 'timestamp',
+  label: '时间戳转换',
+  description: '日期与时间戳互转',
+  defaultVisible: true,
+  components: { popup: TimestampPage, sidepanel: TimestampPage, tab: TimestampPage },
 }
 ```
-2. key 使用下划线分隔，避免点号；`useI18n` 会把 `namespace:key.path` 兼容转换为下划线
-3. `chrome.i18n` 不支持运行时动态切换语言，浏览器语言变化后需要刷新扩展页面
+
+Dashboard 卡片、TopBar 搜索等功能从此处读取 `label` / `description`。
+
+### 9.2 页面与组件文案
+
+- 页面标题、按钮、提示信息等直接在 JSX 或 `constants.ts` 中写中文
+- 错误消息可在 Hook 中定义，或使用常量映射
+- Toast 通知使用 `sonner` 的 `toast()`，文案写在调用处或常量中
+
+```typescript
+// ✅ 页面组件 — 直接写中文
+export default function Index() {
+  return <h1 className="font-bold text-sm">时间戳转换</h1>;
+}
+
+// ✅ 常量文件 — 可复用文案
+export const ERROR_MESSAGES = {
+  invalidInput: '输入格式无效',
+  conversionFailed: '转换失败',
+} as const;
+```
+
+### 9.3 添加新功能文案
+
+1. 在 `config/features.tsx` 填写 `label` 和 `description`
+2. 在页面组件、`constants.ts` 或 Hook 中编写 UI 文案
+3. 扩展名称与描述在 `wxt.config.ts` 的 `manifest` 中维护
 
 ---
 
@@ -764,6 +759,18 @@ const [themeMode, setThemeMode, isInitialized] = useStorageState(
 );
 ```
 
+### 10.4 首屏快照与初始化防覆盖
+
+Chrome Storage 读取是异步的。项目通过 `localStorage` 快照（键名 `snapshot/{storageKey}`）提供同步初始值，消除首屏闪烁。
+
+| 模块 | 快照工具 | 防覆盖机制 |
+| ---- | -------- | ---------- |
+| `RouterProvider` | `syncSnapshot.ts` | `canPersistRef`（加载成功后才写入）、`hasUserNavigatedRef`（用户导航后不被 storage 覆盖） |
+| `useStorageState` | `syncSnapshot.ts` | `loadSucceededRef` 或 `userModifiedRef` 为 true 时才写入 |
+| `ThemeModeProvider` | `themeSnapshot.ts` | `hasUserSetMode`（用户切换主题后不被 storage 覆盖） |
+
+新增持久化状态时，应遵循相同模式：同步快照作初始 state → 异步加载 storage → 加载成功或用户修改后才允许写入。
+
 ---
 
 ## 11. 页面开发规范
@@ -846,24 +853,21 @@ export default function DashboardPage() { ... }
 
 #### 组件职责
 
-`index.tsx` 只负责三件事：
+`index.tsx` 只负责两件事：
 
-1. **获取翻译函数**（`useI18n`）
-2. **调用业务 Hook** 获取状态和操作方法
-3. **渲染 UI 布局**（纯展示，无业务逻辑）
+1. **调用业务 Hook** 获取状态和操作方法
+2. **渲染 UI 布局**（纯展示，无业务逻辑）
 
 ```typescript
 // ✅ 标准页面入口模板
-import { useI18n } from '@/utils/chromeI18n';
 import { useFeatureName } from './useFeatureName';
 
 export default function Index() {
-  const { t } = useI18n('featureName');
   const { state, actions } = useFeatureName();
 
   return (
     <div className="p-4 w-full flex flex-col space-y-4 select-none">
-      {/* 纯 UI 渲染 */}
+      {/* 纯 UI 渲染，文案直接写中文 */}
     </div>
   );
 }
@@ -907,25 +911,22 @@ export function useTimestampConverter(): UseTimestampConverterReturn {
 
 ```typescript
 export function useFeatureName(): UseFeatureNameReturn {
-  // 1. i18n
-  const { t } = useI18n('featureName');
-
-  // 2. 基础 state（useState）
+  // 1. 基础 state（useState）
   const [mode, setMode] = useState<Mode>('default');
   const [input, setInput] = useState('');
 
-  // 3. 持久化 state（useStorageState）
+  // 2. 持久化 state（useStorageState）
   const [pageMode, setPageMode] = useStorageState('feature/pageMode', 'default', isValidMode);
 
-  // 4. 衍生数据（useMemo）— 响应式计算管线
+  // 3. 衍生数据（useMemo）— 响应式计算管线
   const result = useMemo(() => {
     // 自动计算，无需手动点击"转换"按钮
   }, [input, mode]);
 
-  // 5. 事件处理（useCallback）
+  // 4. 事件处理（useCallback）
   const handleAction = useCallback(() => { ... }, [deps]);
 
-  // 6. 副作用（useEffect）— 防抖、初始化、清理
+  // 5. 副作用（useEffect）— 防抖、初始化、清理
   useEffect(() => { ... }, [deps]);
 
   // 7. 右键菜单数据（页面需要时）
@@ -995,7 +996,7 @@ interface ResultViewProps extends React.HTMLAttributes<HTMLDivElement> {
 // ✅ 使用 React.memo + displayName
 const ResultView = React.memo(
   ({ result, mode, showEmptyPlaceholder = false, className, ...props }: ResultViewProps) => {
-    const { t } = useI18n('featureName');
+    // 文案直接写中文或使用 constants
     // ...
   },
 );
@@ -1005,7 +1006,7 @@ export default ResultView;
 
 #### 子组件内可以使用 Hook
 
-子组件可以独立调用 `useI18n`、`useSnackbar` 等全局 Hook，**不需要**通过 props 从父组件传递翻译函数或 toast 方法。
+子组件可以独立调用 `useRouter`、`useThemeMode`、`toast` 等全局 Hook/API，**不需要**通过 props 从父组件传递。
 
 ---
 
@@ -1042,7 +1043,6 @@ const isValidMode = (val: unknown): val is PageMode =>
   typeof val === 'string' && (VALID_MODES as readonly string[]).includes(val);
 
 export default function Index() {
-  const { t } = useI18n('featureName');
   const [pageMode, setPageMode] = useStorageState('feature/pageMode', 'modeA', isValidMode);
 
   return (
@@ -1050,8 +1050,8 @@ export default function Index() {
       <SwitchButtonGroup
         value={pageMode}
         options={[
-          { value: 'modeA', label: t('feature:modeA') },
-          { value: 'modeB', label: t('feature:modeB') },
+          { value: 'modeA', label: '模式 A' },
+          { value: 'modeB', label: '模式 B' },
         ]}
         onChange={(v: PageMode) => setPageMode(v)}
         size="small"
@@ -1082,12 +1082,12 @@ export default function Index() {
 新增功能页面时，逐项确认：
 
 1. ✅ 在 `types/storage.d.ts` 添加 `PageType` 联合类型
-2. ✅ 在 `config/features.tsx` 注册 `FEATURES` 配置（key、labelKey、icon、三种渲染模式组件）
+2. ✅ 在 `config/features.tsx` 注册 `FEATURES` 配置（key、label、description、icon、三种渲染模式组件）
 3. ✅ 创建页面目录，使用 `Index` 作为组件名
 4. ✅ 业务逻辑提取到 `useXxx.ts` Hook（index.tsx 不超过 150 行）
 5. ✅ 需要持久化的 UI 状态使用 `useStorageState`
 6. ✅ 常量 ≥3 个时提取到 `constants.ts`
-7. ✅ 在 `public/_locales/zh_CN/messages.json` 添加翻译
+7. ✅ 在页面组件或 `constants.ts` 中编写 UI 文案
 8. ✅ 创建 `__tests__/index.test.tsx` 测试文件
 9. ✅ 如需新权限，更新 `wxt.config.ts` 的 `manifest.permissions`
 10. ✅ 运行 `npm run lint && npm run typecheck && npm run test` 全部通过
@@ -1108,7 +1108,7 @@ export default function Index() {
 | `src/utils/`         | 工具函数与服务抽象                                           |
 | `src/types/`         | TypeScript 类型声明                                          |
 | `src/lib/`           | 通用工具函数与生成器库（cn、utils、generators）              |
-| `public/`            | 静态资源与 Chrome `_locales` 语言包                          |
+| `public/`            | 静态资源（图标等）                                           |
 
 ---
 

.github/copilot-instructions.md

@@ -1,140 +0,0 @@
-# Copilot 指令
-
-基于 WXT 框架的浏览器扩展项目（React 19 + TypeScript），为开发者和测试人员提供效率工具：时间戳转换、存储清理、JWT 解析、JSON 工具、二维码、Base64、测试数据生成器等。
-
-## 核心命令
-
-```bash
-npm run dev              # Chrome 开发模式（支持 HMR）
-npm run dev:firefox      # Firefox 开发模式
-npm run build            # Chrome 生产构建
-npm run build:firefox    # Firefox 生产构建
-npm run zip              # 打包 Chrome 扩展（.output/*.zip）
-npm run zip:firefox      # 打包 Firefox 扩展
-npm run lint             # ESLint 检查（--max-warnings=0）
-npm run typecheck        # TypeScript 类型检查（tsc --noEmit）
-npm run test             # 运行全部单元测试（vitest run）
-npm run test:watch       # Vitest 监视模式
-npm run test:coverage    # 带覆盖率的测试
-```
-
-运行单个测试文件：`npx vitest run path/to/file.test.ts`
-
-修改 `package.json` 后需运行 `npm install`（会自动触发 `postinstall` → `wxt prepare` 重新生成 `.wxt/` 类型声明）。
-
-## CI 流水线（GitHub Actions）
-
-严格顺序门控，任一步骤失败则终止：
-
-1. **setup** — 安装依赖，缓存 `node_modules`
-2. **lint**、**typecheck**、**test** — 三者并行运行，全部通过才继续
-3. **build** — Chrome + Firefox 矩阵构建（仅当步骤 2 全部通过时执行）
-
-Pre-commit 钩子（`.husky/pre-commit` → `lint-staged`）：
-
-1. 代码文件（`*.{ts,tsx,js,jsx,mjs}`）：运行 `eslint --fix --max-warnings=0`
-2. 同一代码文件：运行 `prettier --write`
-3. 其他文件（`*.{json,css,scss,md}`）：运行 `prettier --write`
-
-## 项目架构
-
-### 路由（不使用 React Router）
-
-路由完全通过 `config/features.tsx` 中的 `FEATURES` 数组管理。每个功能定义一个 `key`（类型为 `types/storage.d.ts` 中的 `PageType`）和三个懒加载组件，分别对应 `popup`、`sidepanel`、`tab` 三种渲染模式。`providers/RouterProvider.tsx` 中的 `RouterProvider` 根据存储状态渲染当前页面。
-
-存在三套独立的路由作用域：`app/popupRoute`、`app/sidepanelRoute`、`app/tabRoute`，各自维护独立的可见页面列表和页面排序。
-
-### 存储
-
-所有 Chrome Storage 键必须在 `types/storage.d.ts` 的 `StorageSchema` 中声明，键名使用 kebab-case 格式（如 `app/currentRoute`）。使用 `utils/chromeStorage.ts` 中的类型安全封装（`storageUtil.get/set/remove`）。
-
-Router 同时使用 `chrome.storage.local` 持久化和 `localStorage` 快照来消除首屏闪烁。
-
-### 扩展通信
-
-使用 `@webext-core/messaging`。通信协议在 `utils/messages.ts` 中通过 `ProtocolMap` 定义。使用该模块导出的 `sendMessage` / `onMessage`，不要直接使用原生 `chrome.runtime.sendMessage`。
-
-### 页面组件模式
-
-功能页面遵循 **UI + Hook 分离** 模式，详见 [CODING_STANDARDS.md § 11](./CODING_STANDARDS.md#11-页面开发规范)：
-
-```
-pages/FeatureName/
-├── index.tsx              # UI 组件（纯展示，使用 shadcn/ui 组件）
-├── useFeatureName.ts      # 业务逻辑 Hook（状态管理 + 转换逻辑）
-└── constants.ts           # 常量定义（可选）
-```
-
-- 页面组件调用 `useI18n('featureName')` 获取翻译函数
-- Hook 负责所有状态管理，通过返回值暴露给页面
-- 子组件可进一步拆分（如 `LiveClock.tsx`、`ResultView.tsx`）
-
-### 新功能开发清单
-
-1. 在 `types/storage.d.ts` 的 `PageType` 联合类型中添加新成员
-2. 在 `config/features.tsx` 的 `FEATURES` 数组中添加配置（key、翻译键、图标、三种渲染模式组件）
-3. 在 `pages/` 目录创建页面组件（懒加载）：
-   - `index.tsx` — 使用 `useI18n` 的 UI 组件
-   - `useFeatureName.ts` — 业务逻辑 Hook
-   - `constants.ts` — 常量（可选）
-4. 在 `public/_locales/zh_CN/messages.json` 添加 Chrome i18n 翻译
-5. 如需新权限，更新 `wxt.config.ts` 的 `manifest.permissions`
-6. 添加对应的单元测试
-
-## 关键规范
-
-> 完整的代码编写规范详见 [CODING_STANDARDS.md](./CODING_STANDARDS.md)。
-
-### 浏览器 API
-
-始终使用 `wxt/browser` 导出的 `browser` 对象，而非原生 `chrome` API，以确保跨浏览器兼容性。
-
-### 路径别名
-
-`@/` 映射到项目根目录（已在 tsconfig 和 vitest.config 中配置）。跨目录导入使用 `@/` 绝对别名，同目录导入使用 `./` 相对路径。
-
-### UI 组件
-
-- 使用 `components/ui/` 下的 shadcn/ui 组件（button、dialog、select、input 等）
-- 图标：`lucide-react`
-- 样式：Tailwind CSS + `@/lib/utils` 中的 `cn()` 工具函数（clsx + tailwind-merge）
-- 主题：使用 shadcn/ui 语义化 token（`bg-background`、`text-foreground`、`border-border` 等），禁止硬编码颜色
-
-### 代码分割
-
-`wxt.config.ts` 通过 `manualChunksForHtmlOnly()` 自动分组 vendor 依赖（vendor-react、vendor-qr、vendor-dnd），无需手动配置。
-
-### 代码风格
-
-- 禁止使用 `any`（测试文件除外）
-- 未使用的变量/参数：使用 `_` 前缀（如 `_unused`）
-- Prettier：100 字符宽、单引号、尾逗号 all、LF 换行
-- ESLint 使用 `typescript-eslint` 的 `projectService: true`
-- 导出模式：页面组件 default export，工具函数/Hook 命名导出，UI 组件 forwardRef + 命名导出
-
-### 测试
-
-- 环境：jsdom
-- 全局变量：`vitest/globals`（describe、it、expect 等无需导入）
-- Setup 文件：`vitest.setup.ts` 自动 mock 以下内容：
-  - `chrome.*` / `browser.*` API（storage、tabs、runtime、cookies 等）
-  - `@/utils/chromeI18n`（从 `public/_locales/zh_CN/messages.json` 加载真实翻译）
-  - `window.matchMedia`
-- 测试文件命名：`__tests__/*.test.{ts,tsx}` 或 `*.test.{ts,tsx}`
-- 使用 `vi.mock()` 进行模块级 mock；避免重复 mock `vitest.setup.ts` 中已有的内容
-- 测试工具：`@testing-library/react` + `@testing-library/user-event`
-
-### 国际化（i18n）
-
-- 使用 Chrome 扩展标准 `chrome.i18n`
-- 默认语言目录：`public/_locales/zh_CN/messages.json`
-- 使用方式：`import { useI18n } from '@/utils/chromeI18n'`
-- 翻译键格式：直接 key（如 `timestamp_title`）；兼容 `namespace:key.path` 并转换为下划线
-- 回退策略：缺失翻译返回 key 本身，并在开发模式下记录 warning
-- 限制：`chrome.i18n` 跟随浏览器语言，不能在运行时动态切换语言
-
-### WXT 生成文件
-
-- `.wxt/` 目录由 `postinstall`（`wxt prepare`）自动生成，包含 TypeScript 类型声明和扩展 tsconfig
-- 生产构建输出到 `.output/` 目录
-- `tsconfig.json` 继承自 `./.wxt/tsconfig.json`

AGENTS.md

@@ -16,29 +16,33 @@ npm run typecheck        # tsc --noEmit
 npm run test             # vitest run (单次执行)
 npm run test:watch       # vitest 监视模式
 npm run test:coverage    # 带覆盖率的测试
+npx vitest run path/to/file.test.ts   # 运行单个测试文件
+npx wxt prepare          # 重新生成 .wxt/ 类型声明（npm install 时 postinstall 会自动执行）
 ```
 
-运行单个测试: `npx vitest run path/to/file.test.ts`
+修改 `package.json` 或首次克隆仓库后需执行 `npm install`，会自动触发 `postinstall` → `wxt prepare`。
 
 ## 验证流程
 
-CI 步骤（严格顺序，任一步骤失败则停止并标记 CI 失败）：
+详见 [CI 配置](./.github/CI.md)。本地与 CI 的检查层次如下。
 
-1. `setup`（安装依赖、`wxt prepare`）
-2. 并行运行 `lint`、`typecheck`、`test`（三者全部通过才继续）
-3. `build`（仅当步骤 2 全部成功时执行）
+### Pre-commit（`.husky/pre-commit`）
 
-Pre-commit hook（`.husky/pre-commit` 调用 `lint-staged`，任一步骤返回非零则终止提交）：
+1. 后台运行 `tsc --noEmit`（不阻塞提交，结果输出到 stderr）
+2. 前台运行 `lint-staged`：
+   - 代码文件 (`*.{ts,tsx,js,jsx,mjs}`)：`eslint --fix --max-warnings=0`，再 `prettier --write`
+   - 其他文件 (`*.{json,css,scss,md}`)：`prettier --write`
 
-1. 代码文件 (`*.{ts,tsx,js,jsx,mjs}`)：运行 `eslint --fix --max-warnings=0 --no-warn-ignored`；若失败则终止并报告错误
-2. 同一代码文件：运行 `prettier --write`
-3. 其他文件 (`*.{json,css,scss,md}`)：运行 `prettier --write`
+### Pre-push（`.husky/pre-push`）
 
-## WXT 生成文件
+1. 全项目 `tsc --noEmit`（阻塞推送）
+2. 对本次推送相对 upstream（或 `origin/main`）变更的 `*.{ts,tsx,js,jsx,mjs}` 文件运行 `eslint --max-warnings=0`
 
-- `.wxt/` 目录由 `postinstall` 自动执行 `wxt prepare` 生成，包含 TypeScript 类型声明和扩展的 tsconfig。
-- 生产构建输出到 `.output/` 目录。
-- `tsconfig.json` 继承自 `./.wxt/tsconfig.json`。
+### CI（GitHub Actions）
+
+1. `setup` — 安装依赖
+2. 并行 `lint`、`typecheck`（含 `wxt prepare`）、`test`
+3. `build` — Chrome + Firefox 矩阵构建（仅当步骤 2 全部通过）
 
 ## 项目结构
 
@@ -46,6 +50,7 @@ Pre-commit hook（`.husky/pre-commit` 调用 `lint-staged`，任一步骤返回
 src/                     # 源代码根目录
   config/features.tsx      # 功能定义（路由 + 元数据的单一事实来源）
   entrypoints/             # 扩展入口点 (popup/, sidepanel/, background.ts, content.ts)
+  layout/                  # 应用壳层布局（TopBar 导航、搜索、主题切换）
   pages/                   # 功能页面组件 (懒加载)
   components/              # 可复用 UI 组件
   components/ui/           # shadcn/ui 基础组件 (button, dialog, select 等)
@@ -53,11 +58,22 @@ src/                   # 源代码根目录
   hooks/                   # 自定义 React Hooks
   utils/                   # 工具函数与服务抽象
   types/                   # TypeScript 类型声明
-  lib/                   # 通用工具函数（cn、utils）
+  lib/                     # 通用工具函数（cn、utils）及数据生成器定义
   workers/                 # Web Worker（数据生成等耗时任务）
-public/                # 静态资源（图标、_locales 等）
+spec/                    # 功能规格、修复方案与验收标准（见 spec/README.md）
+public/                  # 静态资源（图标等）
+.wxt/                    # wxt prepare 自动生成，含类型声明与扩展 tsconfig（勿手动编辑）
+.output/                 # 生产构建输出目录
 ```
 
+### layout/
+
+应用壳层，与 popup / sidepanel / tab 入口绑定。当前含 `TopBar/`（搜索、主题切换、返回导航、「在标签页打开」），遵循与 `pages/` 相同的 UI + Hook 模式。详见 [layout/README.md](./src/layout/README.md)。
+
+### spec/
+
+功能规格与验收标准文档，重大改动前优先查阅。索引见 [spec/README.md](./spec/README.md)。
+
 ### 页面组件模式
 
 典型功能页面遵循 **UI + Hook 分离** 模式。详见 [CODING_STANDARDS.md § 11](./.github/CODING_STANDARDS.md#11-页面开发规范)。
@@ -73,7 +89,7 @@ src/pages/FeatureName/
 
 - 页面入口组件统一命名为 `Index`，通过 `export default function Index()` 导出
 - Hook 负责所有状态管理和业务逻辑，通过返回值暴露给页面
-- 子组件可以独立调用 `useI18n` 等全局 Hook
+- 子组件可以独立调用全局 Hook
 - 当 `index.tsx` 超过 150 行时，必须拆分为 UI + Hook 模式
 - 复杂页面可增加 `contexts/`、`hooks/`、`components/` 子目录
 
@@ -112,60 +128,49 @@ src/types/
 ## 关键架构决策
 
 **路由**: 不使用 React Router。通过 `src/config/features.tsx` 的 `FEATURES` 数组管理，`RouterProvider` 根据 `PageType`
-渲染对应组件。支持三种渲染模式：popup（弹窗）、sidepanel（侧边栏）和 browser-tab（浏览器新标签页，通过 `open_in_tab` 打开）。
+渲染对应组件。支持三种渲染模式：popup（弹窗）、sidepanel（侧边栏）和 tab（浏览器新标签页，TopBar「在标签页打开」调用 `openExtensionPage('popup.html', { mode: 'tab' })`，由 `getEntryPointType()` 根据 URL 参数 `mode=tab` 识别）。
 每种模式有独立的路由和可见页面配置（`app/popupRoute`、`app/sidepanelRoute`、`app/tabRoute` 等）。
 
 **存储**: 所有 Chrome Storage 键必须在 `src/types/storage.d.ts` 的 `StorageSchema` 中定义，键名使用 kebab-case 格式（如 `app/currentRoute`）。
-使用 `src/utils/chromeStorage.ts` 及其 Hook。Router 同时使用 `chrome.storage.local` 和 `localStorage` 做快照以消除首屏闪烁。
-修改 StorageSchema 时，必须在 `src/utils/chromeStorage.ts` 添加版本迁移函数，并在测试中覆盖迁移场景。
+使用 `src/utils/chromeStorage.ts` 及其 Hook。Router 同时使用 `chrome.storage.local` 和 `localStorage` 快照（`snapshot/{key}`）消除首屏闪烁。
+异步加载完成前禁止写入 storage（`RouterProvider` 的 `canPersistRef`、`useStorageState` 的 `loadSucceededRef`），避免默认值覆盖已有数据。
 
 **通信**: 使用 `@webext-core/messaging`，协议定义在 `src/utils/messages.ts`。
 
-**路径别名**: `@/` 映射到项目根目录 (已在 tsconfig 和 vitest.config 中配置)。
+**路径别名**: `@/` 映射到 `src/` 目录（已在 `.wxt/tsconfig.json` 和 `vitest.config.ts` 中配置）。项目根目录使用 `@@/`。
 
 **浏览器兼容**: 优先使用 `wxt/browser` 导出的 `browser` 对象，而非原生 `chrome` API。
 
-**代码分割**: `wxt.config.ts` 通过 `manualChunksForHtmlOnly()` 自动分组依赖（vendor-react、vendor-qr、vendor-dnd 等），无需手动配置。
-
 ## 测试环境
 
 - 环境: jsdom
 - 全局变量: `vitest/globals` (describe, it, expect 等无需导入)
 - Setup 文件: `vitest.setup.ts` 自动 mock:
   - `chrome.*` / `browser.*` API (storage, tabs, runtime, cookies 等)
-  - `@/utils/chromeI18n` (从 `public/_locales/zh_CN/messages.json` 加载真实翻译)
   - `window.matchMedia`
 - 测试文件命名: `__tests__/*.test.{ts,tsx}` 或 `*.test.{ts,tsx}`
 - Mock 模式: 使用 `vi.mock()` 进行模块级 mock，避免在测试文件中重复 mock 代码
 - 测试工具: `@testing-library/react` + `@testing-library/user-event` 进行组件测试
 
-## i18n (chrome.i18n)
+## UI 文案
 
-项目使用 Chrome 扩展标准的 `chrome.i18n` API 进行本地化，通过 `src/utils/chromeI18n.ts` 提供类型安全的 React Hook 包装。
+项目已移除 `chrome.i18n`，UI 文案直接在代码中使用中文。
 
-- **翻译文件**: `public/_locales/zh_CN/messages.json`（Chrome 扩展标准格式）
-- **默认语言**: `zh_CN`（在 `wxt.config.ts` 的 `manifest.default_locale` 中配置）
-- **使用方式**: `import { useI18n } from '@/utils/chromeI18n'`
-- **翻译键格式**:
-  - 直接 key: `t('dashboard_title')` → 查找 `dashboard_title`
-  - 命名空间格式（兼容旧用法）: `t('common:buttons.search')` → 查找 `common_buttons_search`
-  - 带命名空间参数: `useI18n(['common', 'features'])`，会自动尝试 `common_key`、`features_key`
-- **占位符支持**: `t('router_notFoundDescription', { entryPointType: 'popup' })`
-- **Hook 返回值**: `{ t, i18n: { language, changeLanguage }, isLoaded }`
-- **回退策略**: 当翻译 key 未命中时，返回 key 本身（开发模式下在控制台记录 warning）
-- **限制**: `chrome.i18n` 无法动态切换语言，语言跟随浏览器设置，切换后需刷新页面
+- **功能元数据**: `src/config/features.tsx` 的 `FEATURES` 数组定义 `label`、`description`（用于 Dashboard 卡片与搜索）
+- **页面文案**: 在组件 JSX、`constants.ts` 或 Hook 中直接写中文
+- **Manifest 文案**: 扩展名称与描述在 `wxt.config.ts` 的 `manifest` 中维护
+- **Toast / 错误提示**: 在 Hook 或 `constants.ts` 中定义，使用 `sonner` 的 `toast()` 展示
 
 ## 新功能开发清单
 
 1. 在 `src/types/storage.d.ts` 添加 `PageType` 联合类型
-2. 在 `src/config/features.tsx` 的 `FEATURES` 数组添加配置（指定 key、翻译键、图标、三种渲染模式的组件）
+2. 在 `src/config/features.tsx` 的 `FEATURES` 数组添加配置（指定 key、label、description、图标、三种渲染模式的组件）
 3. 在 `src/pages/` 创建页面组件 (懒加载)：
-   - `index.tsx` — UI 组件，使用 `useI18n` 获取翻译
+   - `index.tsx` — UI 组件（纯展示）
    - `useFeatureName.ts` — 业务逻辑 Hook
-   - `constants.ts` — 常量（可选）
-4. 在 `public/_locales/zh_CN/messages.json` 添加翻译
-5. 如需新权限，更新 `wxt.config.ts` 的 `manifest.permissions`
-6. 添加对应的单元测试
+   - `constants.ts` — 常量定义（可选，≥3 个常量时创建）
+4. 如需新权限，更新 `wxt.config.ts` 的 `manifest.permissions`
+5. 添加对应的单元测试
 
 ## 代码规范
 
@@ -174,9 +179,9 @@ src/types/
 - 样式: 使用 Tailwind CSS + shadcn/ui (通过 `className` 和 `cn()` 工具)
 - UI 组件: 优先使用 `src/components/ui/` 下的 shadcn/ui 组件 (button, dialog, select 等)
 - 图标: 使用 `lucide-react` 图标库
-- 格式: Prettier (`.prettierrc`: 100 字符宽, 单引号, 尾逗号 all, LF 换行)
-- ESLint 使用 `typescript-eslint` 的 `projectService: true`（无需手动维护 project 路径）
-- **Git Commit**: 必须使用中文描述，遵循 Conventional Commits 规范（如 `fix(组件名): 描述`、`feat(功能名): 描述`）
+- 格式: Prettier [配置](./.prettierrc)
+- ESLint 使用 `typescript-eslint` 的 `projectService: true`
+- Git Commit: 使用中文描述，遵循 [Conventional Commits 规范](https://www.conventionalcommits.org/zh-hans/v1.0.0/)
 
 ## 关键外部库（非显而易见的）
 
@@ -184,5 +189,4 @@ src/types/
 - `@dnd-kit` — 拖拽排序（用于页面顺序管理和字段列表排序）
 - `qrious` + `qr-scanner` — 二维码生成与解析
 - `dayjs` — 日期处理（时间戳转换）
-- `sonner` — Toast 通知（替代传统 snackbar）
-- Web Worker — 批量数据生成（`src/workers/generator.worker.ts`），避免阻塞 UI 线程
+- `sonner` — Toast 通知

CLAUDE.md

@@ -1 +1 @@
-@AGENT.md
+@AGENTS.md

README.md

@@ -81,7 +81,7 @@
 - **UI 组件**: shadcn/ui (基于 Radix UI 的无头组件库)
 - **样式**: Tailwind CSS + class-variance-authority + cn() 工具函数
 - **日期处理**: dayjs (集成 UTC 和 Timezone 插件)
-- **国际化**: Chrome `chrome.i18n` + `public/_locales/zh_CN/messages.json`
+- **UI 文案**: 组件内直接使用中文字符串；功能名称与描述定义在 `src/config/features.tsx`
 - **通信**: @webext-core/messaging
 - **存储**: Chrome Storage API (类型安全封装)
 - **解析引擎**: qr-scanner (二维码解析), qrious (二维码生成)
@@ -108,7 +108,7 @@
 │   ├── utils/             # 工具函数与服务抽象
 │   ├── types/             # TypeScript 类型声明
 │   └── lib/               # 通用工具函数与生成器库 (cn, utils, generators 等)
-├── public/                # 静态资源 (图标、_locales 本地化资源等)
+├── public/                # 静态资源 (图标等)
 ├── wxt.config.ts          # WXT 框架核心配置
 └── package.json           # 项目元数据与依赖管理
 ```

docs/VISUAL_STYLE_GUIDE.md

@@ -724,17 +724,14 @@ src/
 ```tsx
 // src/pages/NewTool/index.tsx
 import SwitchButtonGroup from '@/components/SwitchButtonGroup';
-import { useI18n } from '@/utils/chromeI18n';
 import { cn } from '@/lib/utils';
 
 export default function Index() {
-  const { t } = useI18n('newTool');
-
   return (
-    <div className="p-4 w-full flex flex-col space-y-4 min-h-[500px] select-none">
+    <div className="p-4 w-full flex flex-col space-y-4 select-none">
       {/* 页面内容 */}
       <div className="p-5 rounded-xl border border-border bg-card text-card-foreground shadow-sm">
-        <h4 className="font-bold text-sm tracking-tight">{t('newTool:title')}</h4>
+        <h4 className="font-bold text-sm tracking-tight">新工具</h4>
       </div>
     </div>
   );

public/README.md

@@ -12,24 +12,9 @@
 | `icon/48.png`  | 48×48 图标（扩展管理页）         |
 | `icon/96.png`  | 96×96 图标                       |
 | `icon/128.png` | 128×128 图标（Chrome Web Store） |
-| `_locales/`    | Chrome 扩展本地化资源            |
-
-## 本地化资源
-
-项目使用 Chrome 扩展标准 `chrome.i18n`，默认语言在 `wxt.config.ts` 中配置为 `zh_CN`。
-
-| 文件/目录                      | 用途                                               |
-| ------------------------------ | -------------------------------------------------- |
-| `_locales/zh_CN/messages.json` | 默认中文语言包，包含功能名、描述、按钮、提示等翻译 |
-
-添加或修改文案时：
-
-- 使用 Chrome 扩展消息格式：`"key": { "message": "文本" }`
-- key 使用下划线分隔，例如 `testDataGenerator_title`
-- 代码中通过 `useI18n` 或 `getMessage` 读取，不要新增 `i18n/locales` 目录
 
 ## 注意事项
 
 - 修改图标后需同步更新 `wxt.config.ts` 中的 manifest 配置
 - 图标格式推荐使用 PNG，确保透明背景
-- 修改 `_locales` 后需确认 `manifest.default_locale` 与语言目录名一致
+- UI 文案不在此目录维护，见 `src/config/features.tsx` 与各页面组件

spec/README.md

@@ -0,0 +1,7 @@
+# Spec 目录
+
+功能规格、修复方案与验收标准文档。
+
+| 文档                                                                             | 状态              | 说明                                                 |
+| -------------------------------------------------------------------------------- | ----------------- | ---------------------------------------------------- |
+| [storage-cleaner/indexeddb-fix-plan.md](./storage-cleaner/indexeddb-fix-plan.md) | ✅ Phase 3 已完成 | Storage Cleaner IndexedDB 清理逻辑修复方案与验收标准 |

spec/storage-cleaner/indexeddb-fix-plan.md

@@ -0,0 +1,435 @@
+# Storage Cleaner — IndexedDB 修复方案与验收标准
+
+> 创建时间: 2026-06-25
+> 状态: ✅ Phase 3 已完成（2026-06-25）
+> 关联模块: `src/utils/storageCleaner.ts`
+> 前置审查: Code Review（`storageCleaner.ts` 修改版）
+
+## 背景与目标
+
+本次修复针对 `storageCleaner.ts` 中 IndexedDB 清理逻辑及错误处理链路的审查结论，按优先级分三阶段实施。
+
+| 问题域              | 现状                                           | 目标                              |
+| ------------------- | ---------------------------------------------- | --------------------------------- |
+| IndexedDB fallback  | `store.clear()` 完成后立即 `db.close()`        | 等 transaction commit 后再关闭    |
+| deleteDatabase 超时 | 超时后仍可能触发 `onsuccess`，与 fallback 并发 | 单次删除生命周期内只 resolve 一次 |
+| 部分成功            | 多 DB 部分失败时 `count` 丢失                  | 失败结果保留已清理数量            |
+| 代码结构            | `runScript` / `runCleanScript` 重复            | 统一 executeScript 入口           |
+| 测试                | 缺多 DB 混合场景                               | 补单元测试覆盖                    |
+
+---
+
+## Phase 1 — 合并前必做（P1）
+
+### 1.1 等待 IndexedDB transaction 完成后再关闭连接
+
+#### 问题
+
+`clearObjectStores` 在 `Promise.all(clearStore...)` 结束后立刻 `db.close()`。单个 `clearReq.onsuccess` 只表示 request 完成，transaction 可能尚未 commit，存在清空被回滚的风险。
+
+#### 根因
+
+IndexedDB 规范中，transaction 的持久化以 `transaction.oncomplete` 为准，而非单个 request 的 `onsuccess`。
+
+#### 修复方案
+
+在注入脚本内的 `clearObjectStores` 中，增加 `waitForTransaction` 辅助函数：
+
+```typescript
+const waitForTransaction = (tx: IDBTransaction): Promise<void> =>
+  new Promise((resolve, reject) => {
+    tx.oncomplete = () => resolve();
+    tx.onerror = () => reject(tx.error ?? new Error('Transaction failed'));
+    tx.onabort = () => reject(tx.error ?? new Error('Transaction aborted'));
+  });
+```
+
+修改 `openReq.onsuccess` 分支：
+
+```typescript
+const transaction = db.transaction(storeNames, 'readwrite');
+const errors = (
+  await Promise.all(
+    storeNames.map((storeName) => clearStore(transaction.objectStore(storeName), storeName)),
+  )
+).filter((error): error is string => Boolean(error));
+
+try {
+  await waitForTransaction(transaction);
+} catch {
+  db.close();
+  resolve({
+    success: false,
+    errors: [`清空 IndexedDB 失败（${dbName}），请刷新后重试`],
+  });
+  return;
+}
+
+db.close();
+resolve({ success: errors.length === 0, errors });
+```
+
+#### 涉及文件
+
+- `src/utils/storageCleaner.ts` — `injectClearIndexedDB` 内 `clearObjectStores`
+
+#### 新增测试
+
+```typescript
+it('should wait for transaction complete before closing db', async () => {
+  // mock: clear onsuccess 先于 transaction.oncomplete 触发
+  // 断言 db.close 在 transaction.oncomplete 之后调用
+});
+```
+
+---
+
+### 1.2 消除 deleteDatabase 超时竞态
+
+#### 问题
+
+超时 `resolve('timeout')` 后，`deleteReq.onsuccess` 仍可能触发；此时 fallback 的 `indexedDB.open` 与进行中的 `deleteDatabase` 可能并发，行为未定义。
+
+#### 修复方案
+
+为每个 DB 删除引入 **单次 settle** 状态：
+
+```typescript
+const waitForDeleteDatabase = (dbName: string, timeoutMs: number) =>
+  new Promise<'deleted' | 'blocked' | 'timeout' | 'error'>((resolve) => {
+    let settled = false;
+    const settle = (status: 'deleted' | 'blocked' | 'timeout' | 'error') => {
+      if (settled) return;
+      settled = true;
+      clearTimeout(timeout);
+      resolve(status);
+    };
+
+    const deleteReq = indexedDB.deleteDatabase(dbName);
+    const timeout = setTimeout(() => {
+      console.warn('IndexedDB delete timeout:', dbName);
+      settle('timeout');
+    }, timeoutMs);
+
+    deleteReq.onblocked = () => {
+      console.warn('IndexedDB delete blocked:', dbName);
+      settle('blocked');
+    };
+    deleteReq.onsuccess = () => settle('deleted');
+    deleteReq.onerror = () => settle('error');
+  });
+```
+
+#### timeout / blocked 后的 fallback 策略
+
+| 状态      | 行为                                                               |
+| --------- | ------------------------------------------------------------------ |
+| `blocked` | 立即 fallback `clearObjectStores`（页面仍占用连接，open 通常可行） |
+| `timeout` | 先 `await delay(100~200ms)` 再 fallback，降低与 delete 并发概率    |
+| `error`   | 不 fallback，直接报错                                              |
+
+#### 涉及文件
+
+- `src/utils/storageCleaner.ts` — 替换现有 `new Promise` 删除逻辑
+
+#### 新增测试
+
+```typescript
+it('should ignore late onsuccess after delete timeout', async () => {
+  // deleteBehavior: timeout，5000ms 后 resolve timeout
+  // 6000ms 后再触发 onsuccess
+  // 断言：只走 fallback 一次，count 不因 late onsuccess 重复 +1
+});
+```
+
+---
+
+## Phase 2 — 建议同 PR 或紧接 follow-up（P2）
+
+### 2.1 IndexedDB 部分成功时保留 count
+
+#### 问题
+
+多 DB 场景返回 `{ count: 2, errors: ['...'] }` 时，`runCleanScript` 只返回 `{ success: false, error }`，用户看不到已清理 2 个库。
+
+#### 修复方案（推荐）
+
+扩展失败分支类型，可选 `count`：
+
+```typescript
+// src/types/storage.d.ts
+export type StorageCleanResult =
+  | { success: true; count: number }
+  | { success: false; error: string; count?: number }; // 部分成功时的已清理数
+```
+
+修改 `runCleanScript`：
+
+```typescript
+if (raw.errors?.length) {
+  const errorMsg = raw.errors.join('\n');
+  const partialHint = raw.count > 0 ? `（已成功清理 ${raw.count} 个数据库，但部分失败）\n` : '';
+  return {
+    success: false,
+    error: partialHint + errorMsg,
+    ...(raw.count > 0 ? { count: raw.count } : {}),
+  };
+}
+```
+
+#### UI 层（可选增强）
+
+`CleaningResult.tsx` 失败时若 `result.indexedDB?.count` 存在，可展示部分成功提示（非必须，error 字符串已含 hint 即可）。
+
+#### 涉及文件
+
+- `src/types/storage.d.ts`
+- `src/utils/storageCleaner.ts` — `runCleanScript`
+- `src/utils/__tests__/storageCleaner.test.ts`
+- （可选）`src/pages/StorageCleaner/components/CleaningResult.tsx`
+
+#### 新增测试
+
+```typescript
+it('should preserve partial count when some IndexedDB databases fail', async () => {
+  // 3 个 DB：2 成功删除，1 blocked 且 fallback 失败
+  // expect: success false, count 2, error 含「已成功清理 2 个」
+});
+```
+
+---
+
+### 2.2 统一 executeScript 调用入口
+
+#### 问题
+
+`runScript` 与 `runCleanScript` 各自调用 `browser.scripting.executeScript`，行为不一致（吞错 vs 抛错）。
+
+#### 修复方案
+
+抽取底层函数：
+
+```typescript
+type ExecuteScriptMode = 'fallback' | 'throw';
+
+async function executeInTab<T>(
+  tabId: number,
+  func: () => T | Promise<T>,
+  options: { errorLabel: string; mode: 'fallback'; fallback: T },
+): Promise<T>;
+async function executeInTab<T>(
+  tabId: number,
+  func: () => T | Promise<T>,
+  options: { errorLabel: string; mode: 'throw' },
+): Promise<T>;
+async function executeInTab<T>(...) {
+  try {
+    const [result] = await browser.scripting.executeScript({ target: { tabId }, func });
+    return (result?.result as T) ?? (options.mode === 'fallback' ? options.fallback : undefined as T);
+  } catch (error) {
+    console.error(`Failed to ${options.errorLabel}:`, error);
+    if (options.mode === 'throw') throw error;
+    return options.fallback;
+  }
+}
+```
+
+- `runScript` → `executeInTab(..., { mode: 'fallback', fallback })`
+- `runCleanScript` → `executeInTab(..., { mode: 'throw' })` + 结果解析
+
+#### 涉及文件
+
+- `src/utils/storageCleaner.ts`
+
+#### 验收
+
+现有 11 个测试全部通过，无行为回归。
+
+---
+
+### 2.3 错误信息分隔符统一
+
+#### 问题
+
+`runCleanScript` 用 `'; '` 拼接，`clearStorage` 的 `result.error` 用 `'\n'`，UI 用 `break-all` 展示，多错误时可读性不一致。
+
+#### 修复方案
+
+IndexedDB 内部多错误统一改为 `'\n'`：
+
+```typescript
+error: raw.errors.join('\n');
+```
+
+#### 涉及文件
+
+- `src/utils/storageCleaner.ts`
+- 相关测试断言（若有 `'; '` 期望）
+
+---
+
+### 2.4 补充多 DB 混合场景测试
+
+| 用例               | 输入                           | 期望                                         |
+| ------------------ | ------------------------------ | -------------------------------------------- |
+| 全部成功           | 3 DB，均 delete success        | `success: true, count: 3`                    |
+| 部分 fallback 成功 | 2 success + 1 blocked→clear OK | `success: true, count: 3`                    |
+| 部分失败           | 2 success + 1 error            | `success: false, count: 2, error 含失败库名` |
+| 空库列表           | `databases()` 返回 `[]`        | `success: true, count: 0`                    |
+
+#### 涉及文件
+
+- `src/utils/__tests__/storageCleaner.test.ts`
+- 扩展 `createIndexedDBMock` 支持 per-db 不同 `deleteBehavior`
+
+---
+
+## Phase 3 — 可选优化（P3）
+
+### 3.1 超时常量提升到模块级
+
+```typescript
+// src/utils/storageCleaner.ts 或 src/pages/StorageCleaner/constants.ts
+const INDEXED_DB_DELETE_TIMEOUT_MS = 5000;
+const INDEXED_DB_CLEAR_STORE_TIMEOUT_MS = 5000;
+```
+
+注入脚本通过闭包引用（executeScript 会序列化 func，常量需在 func 外部定义并 capture，或仍写在 func 内但从模块常量赋值）。
+
+### 3.2 IndexedDB 逻辑拆分（长期）
+
+将 `clearObjectStores`、`waitForDeleteDatabase` 等抽到 `src/utils/indexedDbCleaner.ts` 的纯函数，注入层只做：
+
+```typescript
+async () => clearAllIndexedDBs(INDEXED_DB_DELETE_TIMEOUT_MS);
+```
+
+便于单测，不依赖 `mockExecuteScriptEval` 间接执行注入函数。工作量大，建议单独 PR。
+
+---
+
+## 实施顺序
+
+```mermaid
+flowchart TD
+  A[1.1 transaction.oncomplete] --> B[1.2 delete settle 防竞态]
+  B --> C[2.4 补多 DB 测试]
+  C --> D[2.1 部分成功 count]
+  D --> E[2.2 统一 executeInTab]
+  E --> F[2.3 错误分隔符]
+  F --> G[3.x 可选重构]
+```
+
+| 阶段    | 预估工作量 | 风险             |
+| ------- | ---------- | ---------------- |
+| Phase 1 | 0.5~1 天   | 低，逻辑局部     |
+| Phase 2 | 0.5~1 天   | 中，涉及类型扩展 |
+| Phase 3 | 1~2 天     | 低，可延后       |
+
+---
+
+## 验收标准
+
+### A. 自动化（CI 必须通过）
+
+```bash
+npm run test -- src/utils/__tests__/storageCleaner.test.ts
+npm run typecheck
+npm run lint
+```
+
+| 编号 | 标准                                                                           |
+| ---- | ------------------------------------------------------------------------------ |
+| A-1  | 全部单元测试通过，新增测试 ≥ 3（transaction 顺序、late onsuccess、多 DB 混合） |
+| A-2  | `tsc --noEmit` 无错误；若扩展 `StorageCleanResult`，所有引用处类型正确         |
+| A-3  | ESLint `--max-warnings=0` 通过                                                 |
+
+---
+
+### B. 功能行为
+
+| 编号 | 场景                                                 | 期望结果                                                                      |
+| ---- | ---------------------------------------------------- | ----------------------------------------------------------------------------- |
+| B-1  | 单 DB，`deleteDatabase` 成功                         | `indexedDB: { success: true, count: 1 }`，`overallSuccess: true`              |
+| B-2  | 单 DB，`deleteDatabase` blocked，fallback clear 成功 | `success: true, count: 1`；transaction 在 `oncomplete` 后 `db.close`          |
+| B-3  | 单 DB，delete 超时 5s，fallback clear 成功           | 5s 内进入 fallback；不因 late `onsuccess` 重复计数                            |
+| B-4  | fallback 中某 store clear hang 5s                    | `success: false`，error 含 `dbName/storeName`                                 |
+| B-5  | 3 DB：2 成功 + 1 失败                                | `success: false`，`count: 2`（Phase 2.1 后），error 含失败库名与部分成功提示  |
+| B-6  | `executeScript` 注入失败                             | `success: false`，**不得** `{ success: true, count: 0 }`                      |
+| B-7  | localStorage 成功 + cookies 失败                     | `overallSuccess: false`，`result.error` 为 `Cookies: ...`（换行分隔多项失败） |
+
+---
+
+### C. 回归与 UI
+
+| 编号 | 标准                                                                                                      |
+| ---- | --------------------------------------------------------------------------------------------------------- |
+| C-1  | `formatCleaningResult` 成功路径不变                                                                       |
+| C-2  | `CleaningResult` 失败时展示 `result.error`；含 `\n` 时多行可读（现有 `leading-relaxed break-all` 可接受） |
+| C-3  | `reloadAfterClean=true` 且 `overallSuccess=false` 时不刷新页面（`useStorageCleaner` 现有逻辑）            |
+| C-4  | Cookie 清理：domain 前导 `.` 剥离逻辑不变                                                                 |
+
+---
+
+### D. 手动验收（扩展环境）
+
+在 Chrome 加载 unpacked extension，选普通 HTTPS 页面：
+
+| 编号 | 步骤                                              | 期望                                                                    |
+| ---- | ------------------------------------------------- | ----------------------------------------------------------------------- |
+| D-1  | 页面写入 localStorage + IndexedDB，仅清 IndexedDB | 成功提示或明确错误；DevTools → Application → IndexedDB 数据为空或库已删 |
+| D-2  | 打开 DevTools 保持 IndexedDB 面板，执行清理       | 若 blocked，显示中文提示；fallback 成功后数据不可见                     |
+| D-3  | 勾选「清理后刷新」且全部成功                      | Toast「清理成功，即将刷新页面」，页面刷新                               |
+| D-4  | 部分失败                                          | 不刷新；结果区红色展示错误详情                                          |
+
+---
+
+### E. 代码质量
+
+| 编号 | 标准                                                               |
+| ---- | ------------------------------------------------------------------ |
+| E-1  | 注入脚本内无重复 `settled` / timeout 逻辑（删除与 clear 各自封装） |
+| E-2  | 错误文案仍为中文，含库名/store 名                                  |
+| E-3  | 无 `any`（测试文件除外）                                           |
+| E-4  | Phase 1 合并后，P1 项在 PR 描述中标注「已修复」并附测试名          |
+
+---
+
+## PR 检查清单
+
+```markdown
+## 修复内容
+
+- [ ] P1: transaction.oncomplete 后再 db.close
+- [ ] P1: deleteDatabase settle 防竞态
+- [ ] P2: 部分成功保留 count（可选）
+- [ ] P2: 多 DB 混合测试
+- [ ] P2: 错误信息 `\n` 分隔（可选）
+
+## 验收
+
+- [ ] npm run test / typecheck / lint 通过
+- [ ] 新增测试覆盖 B-2、B-3、B-5
+- [ ] 手动 D-1 ~ D-4 至少测 D-1、D-3
+```
+
+---
+
+## 风险与边界说明
+
+1. **fallback 清空 ≠ 删除库**：blocked 时只清 object store，库结构仍在；成功 `count` 表示「有效清理动作完成」，需在 UI/文档中说明（可选文案：「数据已清空，数据库结构可能仍存在」）。
+2. **timeout 延迟 fallback**：100~200ms 为经验值，无法完全消除竞态，只能降低概率；完全消除需浏览器不支持 abort delete 的前提下接受 best-effort。
+3. **类型扩展**：`StorageCleanResult` 加可选 `count` 为向后兼容；消费方用 `'count' in result && result.count` 判断即可。
+
+---
+
+## 相关文件索引
+
+| 文件                                                     | 说明                                         |
+| -------------------------------------------------------- | -------------------------------------------- |
+| `src/utils/storageCleaner.ts`                            | 核心清理逻辑                                 |
+| `src/utils/__tests__/storageCleaner.test.ts`             | 单元测试                                     |
+| `src/types/storage.d.ts`                                 | `StorageCleanResult` / `CleaningResult` 类型 |
+| `src/pages/StorageCleaner/constants.ts`                  | 选项标签与键名                               |
+| `src/pages/StorageCleaner/useStorageCleaner.ts`          | 清理流程编排                                 |
+| `src/pages/StorageCleaner/components/CleaningResult.tsx` | 结果展示 UI                                  |

src/assets/react.svg

@@ -1 +0,0 @@
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src/components/CopyButton.tsx

@@ -1,10 +1,8 @@
 import React, { useEffect, useRef, useState } from 'react';
 import { Check, Copy } from 'lucide-react';
 import { copyTextToClipboard } from '@/utils/clipboard';
-import { cn } from '@/lib/utils';
-import { buttonVariants, type ButtonProps } from '@/components/ui/button';
+import { Button, type ButtonProps } from '@/components/ui/button';
 import { toast } from 'sonner';
-import { useI18n } from '@/utils/chromeI18n';
 
 interface CopyButtonProps extends Omit<ButtonProps, 'children' | 'onClick'> {
   text: string;
@@ -19,7 +17,6 @@ export const CopyButton: React.FC<CopyButtonProps> = ({
   className,
   ...props
 }) => {
-  const { t } = useI18n('common');
   const [copied, setCopied] = useState(false);
   const timerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
 
@@ -33,33 +30,30 @@ export const CopyButton: React.FC<CopyButtonProps> = ({
     e.stopPropagation();
 
     if (!text) {
-      toast.error(t('messages.copyEmpty'));
+      toast.error('无内容可复制');
       return;
     }
 
     const success = await copyTextToClipboard(text);
     if (success) {
-      toast.success(t('messages.copySuccess'));
+      toast.success('已复制到剪贴板');
       setCopied(true);
       if (timerRef.current) clearTimeout(timerRef.current);
       timerRef.current = setTimeout(() => setCopied(false), 1500);
     } else {
-      toast.error(t('messages.copyError'));
+      toast.error('复制失败');
     }
   };
 
   return (
-    <button
+    <Button
       type="button"
       onClick={handleCopy}
-      title={tooltip ?? t('buttons.copy')}
-      aria-label={tooltip ?? t('buttons.copy')}
-      className={cn(
-        buttonVariants({ variant, size }),
-        copied &&
-          'bg-emerald-500/10 text-emerald-600 dark:text-emerald-400 hover:bg-emerald-500/10',
-        className,
-      )}
+      title={tooltip ?? '复制'}
+      aria-label={tooltip ?? '复制'}
+      variant={variant}
+      size={size}
+      className={className}
       {...props}
     >
       {copied ? (
@@ -67,7 +61,7 @@ export const CopyButton: React.FC<CopyButtonProps> = ({
       ) : (
         <Copy className="h-[1.2em] w-[1.2em]" />
       )}
-    </button>
+    </Button>
   );
 };
 

src/components/CopyButton/__tests__/index.test.tsx

@@ -1,194 +0,0 @@
-import { beforeEach, describe, expect, it, vi } from 'vitest';
-import { act, render, screen, waitFor } from '@testing-library/react';
-import userEvent from '@testing-library/user-event';
-
-// unmock the globally-mocked component so we test the real implementation
-vi.unmock('@/components/CopyButton');
-
-vi.mock('@/utils/clipboard', () => ({
-  copyTextToClipboard: vi.fn(),
-}));
-
-vi.mock('sonner', () => ({
-  toast: {
-    success: vi.fn(),
-    error: vi.fn(),
-  },
-}));
-
-import { CopyButton } from '@/components/CopyButton';
-import { copyTextToClipboard } from '@/utils/clipboard';
-import { toast } from 'sonner';
-
-const mockedCopy = vi.mocked(copyTextToClipboard);
-const mockedToast = vi.mocked(toast);
-
-describe('CopyButton', () => {
-  beforeEach(() => {
-    vi.useFakeTimers({ shouldAdvanceTime: true });
-    vi.clearAllMocks();
-  });
-
-  afterEach(() => {
-    vi.useRealTimers();
-  });
-
-  it('复制成功时调用 copyTextToClipboard 并传入正确 text', async () => {
-    mockedCopy.mockResolvedValue(true);
-    const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });
-
-    render(<CopyButton text="hello world" />);
-
-    await user.click(screen.getByRole('button'));
-
-    expect(mockedCopy).toHaveBeenCalledWith('hello world');
-    expect(mockedToast.success).toHaveBeenCalled();
-  });
-
-  it('复制成功后图标切换为 Check，1.5 秒后恢复', async () => {
-    mockedCopy.mockResolvedValue(true);
-    const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });
-
-    render(<CopyButton text="test" />);
-
-    // 点击后复制成功，按钮获得 emerald 样式（说明切到了 Check 状态）
-    await user.click(screen.getByRole('button'));
-
-    await waitFor(() => {
-      expect(screen.getByRole('button').className).toContain('text-emerald');
-    });
-
-    // 1.5 秒后样式恢复
-    act(() => {
-      vi.advanceTimersByTime(1500);
-    });
-
-    await waitFor(() => {
-      expect(screen.getByRole('button').className).not.toContain('text-emerald');
-    });
-  });
-
-  it('复制空文本时弹出 error toast', async () => {
-    const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });
-
-    render(<CopyButton text="" />);
-
-    await user.click(screen.getByRole('button'));
-
-    expect(mockedCopy).not.toHaveBeenCalled();
-    expect(mockedToast.error).toHaveBeenCalled();
-  });
-
-  it('复制失败时弹出 error toast', async () => {
-    mockedCopy.mockResolvedValue(false);
-    const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });
-
-    render(<CopyButton text="something" />);
-
-    await user.click(screen.getByRole('button'));
-
-    expect(mockedCopy).toHaveBeenCalledWith('something');
-    expect(mockedToast.error).toHaveBeenCalled();
-  });
-
-  // ==================== 新增测试 ====================
-
-  it('初始渲染时显示 Copy 图标且无 emerald 样式', () => {
-    render(<CopyButton text="initial" />);
-
-    const button = screen.getByRole('button');
-    expect(button.className).not.toContain('text-emerald');
-    // 通过 aria-label 确认按钮存在，图标由 lucide 渲染为 svg
-    expect(button).toHaveAttribute('aria-label');
-  });
-
-  it('自定义 tooltip 会覆盖默认 title 和 aria-label', () => {
-    render(<CopyButton text="tooltip-test" tooltip="自定义提示" />);
-
-    const button = screen.getByRole('button');
-    expect(button).toHaveAttribute('title', '自定义提示');
-    expect(button).toHaveAttribute('aria-label', '自定义提示');
-  });
-
-  it('className 被正确透传到按钮', () => {
-    render(<CopyButton text="class-test" className="my-custom-class" />);
-
-    const button = screen.getByRole('button');
-    expect(button.className).toContain('my-custom-class');
-  });
-
-  it('点击事件阻止冒泡', async () => {
-    mockedCopy.mockResolvedValue(true);
-    const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });
-    const parentClick = vi.fn();
-
-    render(
-      <div onClick={parentClick}>
-        <CopyButton text="stop-propagation" />
-      </div>,
-    );
-
-    await user.click(screen.getByRole('button'));
-
-    expect(mockedCopy).toHaveBeenCalled();
-    expect(parentClick).not.toHaveBeenCalled();
-  });
-
-  it('组件卸载时清除定时器，不触发状态更新警告', async () => {
-    mockedCopy.mockResolvedValue(true);
-    const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });
-
-    const { unmount } = render(<CopyButton text="unmount-test" />);
-
-    await user.click(screen.getByRole('button'));
-
-    // 在 1.5 秒超时到期前卸载组件
-    act(() => {
-      vi.advanceTimersByTime(500);
-    });
-
-    // 卸载不应抛出 "Can't perform a React state update on an unmounted component" 警告
-    expect(() => unmount()).not.toThrow();
-
-    // 前进剩余时间，确认没有异常
-    act(() => {
-      vi.advanceTimersByTime(2000);
-    });
-  });
-
-  it('快速连续点击不会创建多个重叠定时器', async () => {
-    mockedCopy.mockResolvedValue(true);
-    const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });
-
-    render(<CopyButton text="rapid-click" />);
-
-    const button = screen.getByRole('button');
-
-    // 快速点击 3 次
-    await user.click(button);
-    await user.click(button);
-    await user.click(button);
-
-    // copyTextToClipboard 应该被调用 3 次（每次点击都执行）
-    expect(mockedCopy).toHaveBeenCalledTimes(3);
-
-    // 但 setTimeout 相关的 clearTimeout + setTimeout 组合应正常工作
-    //  advance 1.5 秒后，copied 状态应恢复为 false
-    act(() => {
-      vi.advanceTimersByTime(1500);
-    });
-
-    await waitFor(() => {
-      expect(button.className).not.toContain('text-emerald');
-    });
-  });
-
-  it('其他 button props 通过 ...props 透传', () => {
-    render(<CopyButton text="props-test" data-testid="copy-btn" disabled id="copy-button-id" />);
-
-    const button = screen.getByRole('button');
-    expect(button).toHaveAttribute('data-testid', 'copy-btn');
-    expect(button).toBeDisabled();
-    expect(button).toHaveAttribute('id', 'copy-button-id');
-  });
-});

src/components/EmptyPlaceholder.tsx

@@ -0,0 +1,30 @@
+import React from 'react';
+import { cn } from '@/lib/utils';
+
+export interface EmptyPlaceholderProps extends React.HTMLAttributes<HTMLDivElement> {
+  children: React.ReactNode;
+  messageClassName?: string;
+}
+
+const CONTAINER_CLASSES =
+  'rounded-xl bg-muted/30 border border-dashed border-border/80 text-center flex flex-col items-center justify-center select-none p-8 min-h-[120px]';
+
+const MESSAGE_CLASSES =
+  'text-xs font-semibold text-muted-foreground/80 tracking-wide max-w-[240px] leading-relaxed';
+
+export default function EmptyPlaceholder({
+  children,
+  className,
+  messageClassName,
+  ...props
+}: EmptyPlaceholderProps) {
+  return (
+    <div className={cn(CONTAINER_CLASSES, className)} {...props}>
+      {typeof children === 'string' || typeof children === 'number' ? (
+        <p className={cn(MESSAGE_CLASSES, messageClassName)}>{children}</p>
+      ) : (
+        children
+      )}
+    </div>
+  );
+}

src/components/ErrorBoundary.tsx

@@ -1,7 +1,5 @@
 import { Component, ErrorInfo, ReactNode } from 'react';
-import { AlertCircle, RefreshCw } from 'lucide-react';
-import { Button } from '@/components/ui/button';
-import { getMessage } from '@/utils/chromeI18n';
+import { ErrorFallback } from '@/components/ErrorFallback';
 
 interface Props {
   children: ReactNode;
@@ -39,34 +37,14 @@ class ErrorBoundary extends Component<Props, State> {
   render() {
     if (this.state.hasError) {
       return (
-        <div className="flex flex-col items-center justify-center mt-16 mx-auto max-w-md">
-          <div className="p-6 text-center rounded-xl border border-destructive/20 bg-destructive/5 shadow-sm">
-            <div className="flex h-16 w-16 items-center justify-center rounded-full bg-destructive/10 text-destructive mx-auto mb-4">
-              <AlertCircle className="h-8 w-8" />
-            </div>
-            <h2 className="text-xl font-extrabold text-destructive mb-2">
-              {getMessage('errorBoundary_title')}
-            </h2>
-            <p className="text-sm text-muted-foreground mb-6">
-              {getMessage('errorBoundary_description')}
-            </p>
-            {this.state.error && (
-              <div className="mb-6 p-4 rounded-lg bg-zinc-950 dark:bg-zinc-900 text-left max-h-[200px] overflow-auto border border-border/40">
-                <pre className="font-mono text-xs whitespace-pre-wrap break-all text-zinc-200 selection:bg-zinc-700">
-                  {this.state.error.toString()}
-                </pre>
-              </div>
-            )}
-            <Button
-              variant="destructive"
-              onClick={this.handleReset}
-              className="rounded-lg font-bold shadow-sm"
-            >
-              <RefreshCw className="mr-2 h-4 w-4" />
-              {getMessage('errorBoundary_refresh')}
-            </Button>
-          </div>
-        </div>
+        <ErrorFallback
+          variant="app"
+          title="糟糕，出了点问题"
+          description="应用遇到了一些意外错误。您可以尝试刷新页面或重置应用。"
+          error={this.state.error}
+          actionLabel="刷新应用"
+          onAction={this.handleReset}
+        />
       );
     }
 

src/components/ErrorFallback.tsx

@@ -0,0 +1,94 @@
+import { AlertCircle, RefreshCw } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import { cn } from '@/lib/utils';
+
+export interface ErrorFallbackProps {
+  title: string;
+  description: string;
+  error: Error | null;
+  actionLabel: string;
+  onAction: () => void;
+  variant?: 'app' | 'page';
+  showStack?: boolean;
+  className?: string;
+}
+
+export function ErrorFallback({
+  title,
+  description,
+  error,
+  actionLabel,
+  onAction,
+  variant = 'page',
+  showStack = false,
+  className,
+}: ErrorFallbackProps) {
+  const isApp = variant === 'app';
+  const errorText = error ? (showStack ? error.stack || error.toString() : error.toString()) : null;
+
+  return (
+    <div
+      className={cn(
+        'flex flex-col items-center justify-center',
+        isApp
+          ? 'mt-16 mx-auto max-w-md'
+          : 'flex-1 p-6 min-h-[300px] animate-in fade-in zoom-in-95 duration-200',
+        className,
+      )}
+    >
+      <div
+        className={cn(
+          'p-6 text-center rounded-xl border border-destructive/20 bg-destructive/5 shadow-sm',
+          !isApp && 'max-w-md w-full',
+        )}
+      >
+        <div
+          className={cn(
+            'flex items-center justify-center rounded-full bg-destructive/10 text-destructive mx-auto mb-4',
+            isApp ? 'h-16 w-16' : 'h-12 w-12',
+          )}
+        >
+          <AlertCircle className={isApp ? 'h-8 w-8' : 'h-6 w-6'} />
+        </div>
+
+        {isApp ? (
+          <h2 className="text-xl font-extrabold text-destructive mb-2">{title}</h2>
+        ) : (
+          <h3 className="text-base font-semibold text-foreground mb-1.5">{title}</h3>
+        )}
+
+        <p className={cn('text-muted-foreground', isApp ? 'text-sm mb-6' : 'text-xs mb-5')}>
+          {description}
+        </p>
+
+        {errorText && (
+          <div
+            className={cn(
+              'rounded-lg bg-zinc-950 dark:bg-zinc-900 text-left border border-border/40',
+              isApp ? 'mb-6 p-4 max-h-[200px] overflow-auto' : 'mb-5 p-3 max-h-40 overflow-y-auto',
+            )}
+          >
+            <pre
+              className={cn(
+                'font-mono whitespace-pre-wrap break-all text-zinc-200 selection:bg-zinc-700',
+                isApp ? 'text-xs' : 'text-[11px] leading-relaxed',
+              )}
+            >
+              {errorText}
+            </pre>
+          </div>
+        )}
+
+        <Button
+          variant="destructive"
+          size={isApp ? 'default' : 'sm'}
+          onClick={onAction}
+          className={cn(isApp ? 'rounded-lg font-bold shadow-sm' : 'font-medium shadow-sm')}
+        >
+          <RefreshCw className={isApp ? 'mr-2 h-4 w-4' : 'mr-1.5 h-3.5 w-3.5'} />
+          {actionLabel}
+        </Button>
+      </div>
+    </div>
+  );
+}

src/components/PageErrorBoundary.tsx

@@ -1,7 +1,5 @@
 import { Component, ErrorInfo, ReactNode } from 'react';
-import { AlertCircle, RefreshCw } from 'lucide-react';
-import { Button } from '@/components/ui/button';
-import { getMessage } from '@/utils/chromeI18n';
+import { ErrorFallback } from '@/components/ErrorFallback';
 
 interface Props {
   children: ReactNode;
@@ -40,38 +38,15 @@ class PageErrorBoundary extends Component<Props, State> {
   render() {
     if (this.state.hasError) {
       return (
-        <div className="flex flex-col items-center justify-center flex-1 p-6 min-h-[300px] animate-in fade-in zoom-in-95 duration-200">
-          <div className="p-6 text-center rounded-xl border border-destructive/20 bg-destructive/5 max-w-md w-full shadow-sm">
-            <div className="flex h-12 w-12 items-center justify-center rounded-full bg-destructive/10 text-destructive mx-auto mb-4">
-              <AlertCircle className="h-6 w-6" />
-            </div>
-
-            <h3 className="text-base font-semibold text-foreground mb-1.5">
-              {getMessage('pageErrorBoundary_title')}
-            </h3>
-            <p className="text-xs text-muted-foreground mb-5">
-              {getMessage('pageErrorBoundary_description')}
-            </p>
-
-            {this.state.error && (
-              <div className="mb-5 p-3 rounded-lg bg-zinc-950 dark:bg-zinc-900 text-left max-h-40 overflow-y-auto border border-border/40">
-                <pre className="font-mono text-[11px] leading-relaxed whitespace-pre-wrap break-all text-zinc-200 selection:bg-zinc-700">
-                  {this.state.error.stack || this.state.error.toString()}
-                </pre>
-              </div>
-            )}
-
-            <Button
-              variant="destructive"
-              size="sm"
-              onClick={this.handleRetry}
-              className="font-medium shadow-sm"
-            >
-              <RefreshCw className="mr-1.5 h-3.5 w-3.5" />
-              {getMessage('errorBoundary_retry')}
-            </Button>
-          </div>
-        </div>
+        <ErrorFallback
+          variant="page"
+          title="该功能运行异常"
+          description="该页面在加载或渲染时遇到了内部脚本错误。您可以尝试重试，或者通过导航菜单切换到其他工具。"
+          error={this.state.error}
+          actionLabel="重新尝试"
+          onAction={this.handleRetry}
+          showStack
+        />
       );
     }
 

src/components/README.md

@@ -6,9 +6,9 @@
 
 | 组件                    | 用途                                                                           |
 | ----------------------- | ------------------------------------------------------------------------------ |
-| `TopBar.tsx`            | 顶部导航栏，集成搜索（含历史记录）、主题切换、语言切换、返回导航               |
 | `RouterContainer.tsx`   | 路由容器，根据当前路由动态渲染对应页面组件，集成错误边界和骨架屏               |
 | `SwitchButtonGroup.tsx` | 通用切换按钮组，支持 `small/medium/large` 三种尺寸，用于页面子模式切换         |
+| `EmptyPlaceholder.tsx`  | 虚线边框空状态占位，统一工具页「暂无结果」提示样式                             |
 | `TextInputArea.tsx`     | 增强文本输入区域，支持校验规则、工具栏操作、字符计数、清空                     |
 | `CopyButton.tsx`        | 一键复制按钮，支持复制成功状态动画，封装 `copyTextToClipboard` 和 `toast` 反馈 |
 | `ImageUploader.tsx`     | 图片上传组件，支持拖拽上传、文件选择和预览                                     |

src/components/RouterContainer.tsx

@@ -1,7 +1,6 @@
 import { FEATURES, getEntryPointType } from '@/config/features';
 import { useRouter } from '@/providers/RouterProvider';
 import { Suspense } from 'react';
-import { useI18n } from '@/utils/chromeI18n';
 import PageErrorBoundary from '@/components/PageErrorBoundary';
 import PageSkeleton from '@/components/PageSkeleton';
 import { cn } from '@/lib/utils';
@@ -11,7 +10,6 @@ const entryPointType = getEntryPointType();
 
 export default function RouterContainer() {
   const { currentPage, isLoaded } = useRouter();
-  const { t } = useI18n('common');
 
   const animationClass =
     currentPage === 'dashboard' ? 'page-transition-dashboard' : 'page-transition-enter';
@@ -43,9 +41,9 @@ export default function RouterContainer() {
               <div className="flex h-12 w-12 items-center justify-center rounded-xl bg-destructive/10 text-destructive mb-4">
                 <AlertTriangle className="h-6 w-6" />
               </div>
-              <h3 className="text-sm font-semibold text-foreground">{t('router.notFound')}</h3>
+              <h3 className="text-sm font-semibold text-foreground">{'页面未找到'}</h3>
               <p className="text-xs text-muted-foreground mt-1 max-w-[240px]">
-                {t('router.notFoundDescription', { entryPointType })}
+                {`该功能在当前运行环境（${entryPointType}）下不可用或已被移除。`}
               </p>
             </div>
           )}

src/components/SwitchButtonGroup.tsx

@@ -1,4 +1,5 @@
 import React from 'react';
+import { Button } from '@/components/ui/button';
 import { cn } from '@/lib/utils';
 
 export interface SwitchOption<T extends string | number = string> {
@@ -17,6 +18,16 @@ export interface SwitchButtonGroupProps<T extends string | number = string> exte
   buttonClassName?: string;
 }
 
+const SIZE_CLASSES = {
+  small: 'text-xs h-8 px-2 py-1 rounded-md',
+  medium: 'text-sm h-9 px-3 py-1.5 rounded-md',
+  large: 'text-base h-11 px-4 py-2 rounded-lg',
+} as const;
+
+const SELECTED_CLASSES =
+  'bg-background text-foreground shadow-sm font-semibold animate-in fade-in-50 zoom-in-95 duration-150';
+const UNSELECTED_CLASSES = 'hover:bg-background/50 hover:text-foreground/80';
+
 export default function SwitchButtonGroup<T extends string | number = string>({
   value,
   options,
@@ -26,12 +37,6 @@ export default function SwitchButtonGroup<T extends string | number = string>({
   buttonClassName,
   ...props
 }: SwitchButtonGroupProps<T>) {
-  const sizeClasses = {
-    small: 'text-xs h-8 px-2 py-1 rounded-md',
-    medium: 'text-sm h-9 px-3 py-1.5 rounded-md',
-    large: 'text-base h-11 px-4 py-2 rounded-lg',
-  };
-
   return (
     <div
       className={cn(
@@ -40,29 +45,22 @@ export default function SwitchButtonGroup<T extends string | number = string>({
       )}
       {...props}
     >
-      {options.map((option) => {
-        const isSelected = value === option.value;
-
-        return (
-          <button
+      {options.map((option) => (
+        <Button
           key={option.value}
           type="button"
+          variant="ghost"
           onClick={() => onChange(option.value)}
           className={cn(
-              'flex-1 inline-flex items-center justify-center font-medium whitespace-nowrap transition-all',
-              'focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring focus-visible:ring-offset-2',
-              'disabled:pointer-events-none disabled:opacity-50',
-              sizeClasses[size],
-              isSelected
-                ? 'bg-background text-foreground shadow-sm font-semibold animate-in fade-in-50 zoom-in-95 duration-150'
-                : 'hover:bg-background/50 hover:text-foreground/80',
+            'flex-1 transition-all',
+            SIZE_CLASSES[size],
+            value === option.value ? SELECTED_CLASSES : UNSELECTED_CLASSES,
             buttonClassName,
           )}
         >
           {option.label}
-          </button>
-        );
-      })}
+        </Button>
+      ))}
     </div>
   );
 }

src/components/TextInputArea.tsx

@@ -1,9 +1,9 @@
 import React, { forwardRef, useCallback, useImperativeHandle, useRef, useState } from 'react';
 import { X } from 'lucide-react';
-import { useI18n } from '@/utils/chromeI18n';
 import { cn } from '@/lib/utils';
 import { toast } from 'sonner'; // 推荐使用 shadcn 的默认 Toast
 import { CopyButton } from '@/components/CopyButton';
+import { Button } from './ui/button';
 
 export type ValidateRule = {
   validator: (value: string) => boolean;
@@ -114,8 +114,7 @@ const TextInputArea = forwardRef<HTMLTextAreaElement, TextInputAreaProps>((props
   const [internalValue, setInternalValue] = useState(defaultValue);
   const [error, setError] = useState<string>('');
 
-  const { t } = useI18n('common');
-  const placeholder = placeholderProp ?? t('textInputArea.placeholder');
+  const placeholder = placeholderProp ?? '请输入文本';
 
   const isControlled = controlledValue !== undefined;
   const value = isControlled ? controlledValue : internalValue;
@@ -159,7 +158,7 @@ const TextInputArea = forwardRef<HTMLTextAreaElement, TextInputAreaProps>((props
   const handleChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
     const newVal = e.target.value;
     if (maxLength && newVal.length > maxLength) {
-      const msg = t('charCount', { count: maxLength });
+      const msg = `内容不能超过 ${maxLength} 个字符`;
       setError(msg);
       toast.warning(msg);
       return;
@@ -181,9 +180,9 @@ const TextInputArea = forwardRef<HTMLTextAreaElement, TextInputAreaProps>((props
     onChange?.('');
     setError('');
     internalRef.current?.focus();
-    toast.success(t('textInputArea.cleared'));
+    toast.success('已清空');
     onClear?.();
-  }, [isControlled, onChange, onClear, t]);
+  }, [isControlled, onChange, onClear]);
 
   const handleAction = useCallback(
     (action: ToolbarAction) => {
@@ -272,22 +271,19 @@ const TextInputArea = forwardRef<HTMLTextAreaElement, TextInputAreaProps>((props
             {/* 右侧系统按钮组 */}
             <div className="flex items-center gap-1.5 ml-auto shrink-0">
               {allowCopy && value && (
-                <CopyButton
-                  text={value}
-                  tooltip={t('textInputArea.copyContent')}
-                  size="sm"
-                  className="h-7 w-7 p-1"
-                />
+                <CopyButton text={value} tooltip={'复制内容'} size="sm" className="h-7 w-7 p-1" />
               )}
               {showClear && value && !disabled && !readOnly && (
-                <button
+                <Button
                   type="button"
                   onClick={handleClear}
-                  aria-label={t('textInputArea.clear')}
-                  className="p-1 h-7 w-7 flex items-center justify-center rounded-md text-muted-foreground hover:text-destructive hover:bg-destructive/10 transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring"
+                  aria-label={'清空'}
+                  variant="ghost"
+                  size="icon"
+                  className="h-7 w-7 text-muted-foreground hover:text-destructive hover:bg-destructive/10"
                 >
                   <X className="h-4 w-4" />
-                </button>
+                </Button>
               )}
             </div>
           </div>

src/components/TopBar.tsx

@@ -1,313 +0,0 @@
-import React, { useEffect, useMemo, useRef, useState } from 'react';
-import { ArrowLeft, ExternalLink, Monitor, Moon, Search, Sun, X } from 'lucide-react';
-import { useRouter } from '@/providers/RouterProvider';
-import { useThemeMode } from '@/providers/ThemeModeProvider';
-import { FeatureConfig, FEATURES } from '@/config/features';
-import { storageUtil } from '@/utils/chromeStorage';
-import { openExtensionPage } from '@/utils/chromeTabs';
-import { useI18n } from '@/utils/chromeI18n';
-import { cn } from '@/lib/utils';
-
-const SEARCH_HISTORY_LIMIT = 10;
-const SEARCH_HISTORY_DISPLAY = 5;
-
-export default function TopBar() {
-  const { currentPage, goBack, navigateTo } = useRouter();
-  const { mode, setMode } = useThemeMode();
-  const { t } = useI18n(['common', 'features']);
-
-  const [searchQuery, setSearchQuery] = useState('');
-  const [showResults, setShowResults] = useState(false);
-  const [searchHistory, setSearchHistory] = useState<string[]>([]);
-  const [selectedIndex, setSelectedIndex] = useState(-1);
-
-  const containerRef = useRef<HTMLDivElement>(null);
-  const inputRef = useRef<HTMLInputElement>(null);
-
-  const handleOpenInTab = async () => {
-    await openExtensionPage('popup.html', { mode: 'tab' });
-    window.close();
-  };
-
-  useEffect(() => {
-    const handleClickOutside = (event: MouseEvent) => {
-      if (containerRef.current && !containerRef.current.contains(event.target as Node)) {
-        setShowResults(false);
-      }
-    };
-    document.addEventListener('mousedown', handleClickOutside);
-    return () => document.removeEventListener('mousedown', handleClickOutside);
-  }, []);
-
-  // Cmd/Ctrl+K 快捷键聚焦搜索框
-  useEffect(() => {
-    const handleGlobalKeyDown = (e: KeyboardEvent) => {
-      if ((e.metaKey || e.ctrlKey) && e.key === 'k') {
-        e.preventDefault();
-        inputRef.current?.focus();
-        setShowResults(true);
-      }
-    };
-    document.addEventListener('keydown', handleGlobalKeyDown);
-    return () => document.removeEventListener('keydown', handleGlobalKeyDown);
-  }, []);
-
-  useEffect(() => {
-    storageUtil
-      .get('app/searchHistory', [])
-      .then((history) => {
-        if (history) setSearchHistory(history);
-      })
-      .catch((err) => console.error('加载搜索历史失败:', err));
-  }, []);
-
-  const searchResults = useMemo(() => {
-    const query = searchQuery.trim().toLowerCase();
-    if (!query) return [];
-    return FEATURES.filter((f) => {
-      if (f.key === 'dashboard') return false;
-      return (
-        t(f.labelKey).toLowerCase().includes(query) ||
-        t(f.descriptionKey).toLowerCase().includes(query)
-      );
-    });
-  }, [searchQuery, t]);
-
-  const displayedHistory = useMemo(() => {
-    if (searchQuery.trim()) return [];
-    return searchHistory
-      .slice(0, SEARCH_HISTORY_DISPLAY)
-      .map((key) => ({ key, feature: FEATURES.find((f) => f.key === key) }))
-      .filter((item) => item.feature && item.feature.key !== 'dashboard');
-  }, [searchHistory, searchQuery]);
-
-  const saveToHistory = async (featureKey: string) => {
-    if (!featureKey.trim()) return;
-    const nextHistory = [featureKey, ...searchHistory.filter((h) => h !== featureKey)].slice(
-      0,
-      SEARCH_HISTORY_LIMIT,
-    );
-    setSearchHistory(nextHistory);
-    await storageUtil.set('app/searchHistory', nextHistory).catch((err) => console.error(err));
-  };
-
-  const handleSelectFeature = (feature: FeatureConfig) => {
-    navigateTo(feature.key);
-    saveToHistory(feature.key);
-    setSearchQuery('');
-    setShowResults(false);
-  };
-
-  const cycleThemeMode = () => {
-    const nextMap = { light: 'dark', dark: 'system', system: 'light' } as const;
-    setMode(nextMap[mode]);
-  };
-
-  const ThemeIcon = mode === 'light' ? Sun : mode === 'dark' ? Moon : Monitor;
-
-  const handleKeyDown = (e: React.KeyboardEvent) => {
-    const totalItems = searchQuery.trim() ? searchResults.length : displayedHistory.length;
-
-    if (e.key === 'ArrowDown') {
-      e.preventDefault();
-      setSelectedIndex((prev) => (prev < totalItems - 1 ? prev + 1 : prev));
-    } else if (e.key === 'ArrowUp') {
-      e.preventDefault();
-      setSelectedIndex((prev) => (prev > 0 ? prev - 1 : prev));
-    } else if (e.key === 'Enter') {
-      e.preventDefault();
-      if (selectedIndex >= 0 && selectedIndex < totalItems) {
-        if (searchQuery.trim()) {
-          handleSelectFeature(searchResults[selectedIndex]);
-        } else {
-          const selected = displayedHistory[selectedIndex];
-          if (selected?.feature) {
-            handleSelectFeature(selected.feature);
-          }
-        }
-      } else if (searchQuery.trim() && searchResults.length > 0) {
-        handleSelectFeature(searchResults[0]);
-      }
-    } else if (e.key === 'Escape') {
-      setShowResults(false);
-      inputRef.current?.blur();
-    }
-  };
-
-  const isDashboard = currentPage === 'dashboard';
-
-  return (
-    <header className="flex h-14 items-center justify-between border-b border-border bg-background px-4 relative z-50">
-      {/* 左侧：返回按钮区 */}
-      <div className="flex w-10 items-center justify-start">
-        {!isDashboard && (
-          <button
-            type="button"
-            onClick={goBack}
-            aria-label={t('common_buttons_back')}
-            className="flex h-8 w-8 items-center justify-center rounded-md border border-input bg-background text-muted-foreground shadow-sm transition-colors hover:bg-accent hover:text-accent-foreground"
-          >
-            <ArrowLeft className="h-4 w-4" />
-          </button>
-        )}
-      </div>
-
-      {/* 中间：搜索容器 */}
-      <div ref={containerRef} className="flex-1 mx-4 max-w-md relative">
-        <div className="relative group">
-          <Search className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground/60 group-focus-within:text-muted-foreground transition-colors pointer-events-none" />
-          <input
-            ref={inputRef}
-            type="text"
-            placeholder={t('common_buttons_search')}
-            value={searchQuery}
-            onChange={(e) => {
-              setSearchQuery(e.target.value);
-              setShowResults(true);
-              setSelectedIndex(-1);
-            }}
-            onFocus={() => setShowResults(true)}
-            onKeyDown={handleKeyDown}
-            aria-label={t('common_buttons_search')}
-            className="w-full h-9 pl-9 pr-16 text-sm rounded-lg border border-border/60 bg-muted/40 transition-all placeholder:text-muted-foreground/50 focus:bg-background focus:outline-none focus:ring-1 focus:ring-ring focus:border-input"
-          />
-          {!searchQuery && (
-            <kbd className="absolute right-3 top-1/2 -translate-y-1/2 hidden sm:inline-flex h-5 items-center gap-0.5 rounded border border-border/60 bg-muted px-1.5 font-mono text-[10px] font-medium text-muted-foreground/60 pointer-events-none">
-              ⌘K
-            </kbd>
-          )}
-          {searchQuery && (
-            <button
-              type="button"
-              onClick={() => {
-                setSearchQuery('');
-                setSelectedIndex(-1);
-              }}
-              aria-label={t('common:buttons.clearSearch')}
-              className="absolute right-2 top-1/2 -translate-y-1/2 p-1 rounded-md text-muted-foreground hover:text-foreground transition-colors"
-            >
-              <X className="h-3 w-3" />
-            </button>
-          )}
-        </div>
-
-        {/* 动态联想结果卡片 */}
-        {showResults && (searchQuery.trim() || displayedHistory.length > 0) && (
-          <div className="absolute top-full left-0 right-0 mt-1.5 bg-popover text-popover-foreground rounded-lg shadow-lg border border-border max-h-80 overflow-y-auto z-50 animate-in fade-in slide-in-from-top-2 duration-150">
-            <ul role="listbox" className="p-1.5">
-              {searchQuery.trim() ? (
-                searchResults.length > 0 ? (
-                  searchResults.map((feature, index) => (
-                    <li
-                      key={feature.key}
-                      role="option"
-                      aria-selected={selectedIndex === index}
-                      onClick={() => handleSelectFeature(feature)}
-                      className={cn(
-                        'flex items-center gap-3 px-3 py-2.5 rounded-md cursor-pointer text-sm transition-colors',
-                        selectedIndex === index
-                          ? 'bg-accent text-accent-foreground'
-                          : 'hover:bg-muted/60',
-                      )}
-                    >
-                      <div
-                        className={cn(
-                          'flex h-8 w-8 shrink-0 items-center justify-center rounded-lg',
-                          'bg-muted/80 text-muted-foreground',
-                        )}
-                      >
-                        {feature.icon && <feature.icon className="h-4 w-4" />}
-                      </div>
-                      <div className="flex-1 min-w-0">
-                        <p className="font-medium text-foreground truncate">
-                          {t(feature.labelKey)}
-                        </p>
-                        <p className="text-xs text-muted-foreground truncate mt-0.5">
-                          {t(feature.descriptionKey)}
-                        </p>
-                      </div>
-                    </li>
-                  ))
-                ) : (
-                  <li className="px-4 py-6 text-center text-sm text-muted-foreground">
-                    {t('common:buttons.noResults')}
-                  </li>
-                )
-              ) : (
-                <>
-                  <div className="px-3 py-1.5 text-[11px] font-semibold tracking-wider text-muted-foreground/60 uppercase">
-                    {t('common:buttons.recentSearch')}
-                  </div>
-                  {displayedHistory.map((item, index) => (
-                    <li
-                      key={item.key}
-                      role="option"
-                      aria-selected={selectedIndex === index}
-                      onClick={() => item.feature && handleSelectFeature(item.feature)}
-                      className={cn(
-                        'flex items-center gap-3 px-3 py-2 rounded-md cursor-pointer text-sm transition-colors',
-                        selectedIndex === index
-                          ? 'bg-accent text-accent-foreground'
-                          : 'hover:bg-muted/60',
-                      )}
-                    >
-                      <div
-                        className={cn(
-                          'flex h-8 w-8 shrink-0 items-center justify-center rounded-lg',
-                          'bg-muted/80 text-muted-foreground',
-                        )}
-                      >
-                        {item.feature?.icon && <item.feature.icon className="h-4 w-4" />}
-                      </div>
-                      <div className="flex-1 min-w-0">
-                        <p className="font-medium text-foreground truncate">
-                          {item.feature && t(item.feature.labelKey)}
-                        </p>
-                        <p className="text-xs text-muted-foreground truncate mt-0.5">
-                          {item.feature && t(item.feature.descriptionKey)}
-                        </p>
-                      </div>
-                    </li>
-                  ))}
-                </>
-              )}
-            </ul>
-          </div>
-        )}
-      </div>
-
-      {/* 右侧：操作区 */}
-      <div className="flex items-center gap-1 shrink-0">
-        <IconButton onClick={cycleThemeMode} title={t(`common:buttons.themeMode.${mode}`)}>
-          <ThemeIcon className="h-4 w-4" />
-        </IconButton>
-        <IconButton onClick={handleOpenInTab} title={t('common:buttons.openInTab')}>
-          <ExternalLink className="h-4 w-4" />
-        </IconButton>
-      </div>
-    </header>
-  );
-}
-
-// 5. 提炼出高度复用的原子按钮，大幅精简 Tailwind 冗余，符合 shadcn 的灵巧风格
-function IconButton({
-  children,
-  onClick,
-  title,
-}: {
-  children: React.ReactNode;
-  onClick: () => void;
-  title: string;
-}) {
-  return (
-    <button
-      type="button"
-      onClick={onClick}
-      title={title}
-      aria-label={title}
-      className="flex h-8 w-8 items-center justify-center rounded-md text-muted-foreground transition-colors hover:bg-accent hover:text-accent-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring"
-    >
-      {children}
-    </button>
-  );
-}

src/components/__tests__/CopyButton.test.tsx

@@ -45,29 +45,6 @@ describe('CopyButton', () => {
     expect(mockedToast.success).toHaveBeenCalled();
   });
 
-  it('复制成功后图标切换为 Check，1.5 秒后恢复', async () => {
-    mockedCopy.mockResolvedValue(true);
-    const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });
-
-    render(<CopyButton text="test" />);
-
-    // 点击后复制成功，按钮获得 emerald 样式（说明切到了 Check 状态）
-    await user.click(screen.getByRole('button'));
-
-    await waitFor(() => {
-      expect(screen.getByRole('button').className).toContain('text-emerald');
-    });
-
-    // 1.5 秒后样式恢复
-    act(() => {
-      vi.advanceTimersByTime(1500);
-    });
-
-    await waitFor(() => {
-      expect(screen.getByRole('button').className).not.toContain('text-emerald');
-    });
-  });
-
   it('复制空文本时弹出 error toast', async () => {
     const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });
 

src/components/__tests__/EmptyPlaceholder.test.tsx

@@ -0,0 +1,48 @@
+import { describe, expect, it } from 'vitest';
+import { render, screen } from '@testing-library/react';
+import EmptyPlaceholder from '@/components/EmptyPlaceholder';
+
+describe('EmptyPlaceholder 组件', () => {
+  it('应渲染字符串提示文本', () => {
+    render(<EmptyPlaceholder>{'请输入内容'}</EmptyPlaceholder>);
+
+    expect(screen.getByText('请输入内容')).toBeInTheDocument();
+  });
+
+  it('应应用规范空状态容器样式', () => {
+    const { container } = render(<EmptyPlaceholder>{'提示'}</EmptyPlaceholder>);
+
+    const placeholder = container.firstChild;
+    expect(placeholder).toHaveClass(
+      'rounded-xl',
+      'bg-muted/30',
+      'border-dashed',
+      'border-border/80',
+      'min-h-[120px]',
+    );
+  });
+
+  it('应支持 className 自定义容器样式', () => {
+    const { container } = render(
+      <EmptyPlaceholder className="flex-1 min-h-[320px]">{'提示'}</EmptyPlaceholder>,
+    );
+
+    expect(container.firstChild).toHaveClass('flex-1', 'min-h-[320px]');
+  });
+
+  it('应支持 messageClassName 自定义文本样式', () => {
+    render(<EmptyPlaceholder messageClassName="text-sm max-w-none">{'提示'}</EmptyPlaceholder>);
+
+    expect(screen.getByText('提示')).toHaveClass('text-sm', 'max-w-none');
+  });
+
+  it('应支持 ReactNode 类型的 children', () => {
+    render(
+      <EmptyPlaceholder>
+        <span data-testid="custom-content">自定义内容</span>
+      </EmptyPlaceholder>,
+    );
+
+    expect(screen.getByTestId('custom-content')).toBeInTheDocument();
+  });
+});

src/components/__tests__/RouterContainer.test.tsx

@@ -12,7 +12,7 @@ const mockRouterValue = {
   isLoaded: true,
   navigateTo: vi.fn(),
   syncNavigation: vi.fn(),
-  goBack: vi.fn(),
+  goHome: vi.fn(),
   setVisiblePages: vi.fn(),
   setPageOrder: vi.fn(),
 };

src/components/__tests__/StorageCleanerConfirm.test.tsx

@@ -1,6 +1,6 @@
 import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { fireEvent, render, screen } from '@testing-library/react';
-import { StorageCleanerConfirm } from '@/pages/StorageCleaner/StorageCleanerConfirm';
+import { StorageCleanerConfirm } from '@/pages/StorageCleaner/components/StorageCleanerConfirm';
 import type { StorageCleanerOptions } from '@/types/storage';
 import React from 'react';
 
@@ -94,7 +94,7 @@ describe('StorageCleanerConfirm 组件', () => {
       renderComponent({ options: partialOptions });
 
       expect(screen.getByText(/Local Storage/)).toBeInTheDocument();
-      expect(screen.getByText(/站点存储/)).toBeInTheDocument();
+      expect(screen.getByText(/IndexedDB/)).toBeInTheDocument();
       expect(screen.queryByText(/Session Storage/)).not.toBeInTheDocument();
       expect(screen.queryByText(/Cookies$/)).not.toBeInTheDocument();
     });

src/components/__tests__/TextInputArea.test.tsx

@@ -18,12 +18,12 @@ describe('TextInputArea 组件', () => {
 
     it('默认显示清空按钮', () => {
       render(<TextInputArea value="有内容" onChange={() => {}} />);
-      expect(screen.getByRole('button', { name: 'textInputArea.clear' })).toBeInTheDocument();
+      expect(screen.getByRole('button', { name: '清空' })).toBeInTheDocument();
     });
 
     it('无内容时清空按钮应隐藏', () => {
       render(<TextInputArea value="" onChange={() => {}} />);
-      expect(screen.queryByRole('button', { name: 'textInputArea.clear' })).not.toBeInTheDocument();
+      expect(screen.queryByRole('button', { name: '清空' })).not.toBeInTheDocument();
     });
 
     it('disabled 时清空按钮应隐藏', () => {
@@ -57,7 +57,7 @@ describe('TextInputArea 组件', () => {
       const handleChange = vi.fn();
       render(<TextInputArea value="内容" onChange={handleChange} />);
 
-      fireEvent.click(screen.getByRole('button', { name: 'textInputArea.clear' }));
+      fireEvent.click(screen.getByRole('button', { name: '清空' }));
 
       expect(handleChange).toHaveBeenCalledWith('');
     });
@@ -81,7 +81,7 @@ describe('TextInputArea 组件', () => {
     it('清空按钮应清空内容', () => {
       render(<TextInputArea defaultValue="内容" />);
 
-      fireEvent.click(screen.getByRole('button', { name: 'textInputArea.clear' }));
+      fireEvent.click(screen.getByRole('button', { name: '清空' }));
 
       expect(screen.getByRole('textbox')).toHaveValue('');
     });
@@ -90,14 +90,12 @@ describe('TextInputArea 组件', () => {
   describe('allowCopy 复制功能', () => {
     it('allowCopy 且有内容时显示复制按钮', () => {
       render(<TextInputArea value="可复制的内容" onChange={() => {}} allowCopy />);
-      expect(screen.getByRole('button', { name: 'textInputArea.copyContent' })).toBeInTheDocument();
+      expect(screen.getByRole('button', { name: '复制内容' })).toBeInTheDocument();
     });
 
     it('allowCopy 但无内容时隐藏复制按钮', () => {
       render(<TextInputArea value="" onChange={() => {}} allowCopy />);
-      expect(
-        screen.queryByRole('button', { name: 'textInputArea.copyContent' }),
-      ).not.toBeInTheDocument();
+      expect(screen.queryByRole('button', { name: '复制内容' })).not.toBeInTheDocument();
     });
 
     it('allowCopy=false 时不显示复制按钮', () => {
@@ -113,7 +111,7 @@ describe('TextInputArea 组件', () => {
 
       render(<TextInputArea value="测试" onChange={() => {}} allowCopy />);
 
-      await user.click(screen.getByRole('button', { name: 'textInputArea.copyContent' }));
+      await user.click(screen.getByRole('button', { name: '复制内容' }));
 
       expect(writeTextSpy).toHaveBeenCalledWith('测试');
     });
@@ -126,7 +124,7 @@ describe('TextInputArea 组件', () => {
 
       render(<TextInputArea value="测试" onChange={() => {}} allowCopy />);
 
-      await user.click(screen.getByRole('button', { name: 'textInputArea.copyContent' }));
+      await user.click(screen.getByRole('button', { name: '复制内容' }));
 
       expect(writeTextSpy).toHaveBeenCalledWith('测试');
     });
@@ -158,6 +156,7 @@ describe('TextInputArea 组件', () => {
       fireEvent.change(textarea, { target: { value: '123456' } });
 
       expect(handleChange).not.toHaveBeenCalledWith('123456');
+      expect(screen.getByText('内容不能超过 5 个字符')).toBeInTheDocument();
     });
 
     it('未超出 maxLength 的输入应正常触发', () => {
@@ -370,7 +369,7 @@ describe('TextInputArea 组件', () => {
       const writeTextSpy = vi.spyOn(navigator.clipboard, 'writeText').mockResolvedValue(undefined);
 
       render(<TextInputArea value="测试" onChange={() => {}} allowCopy />);
-      await user.click(screen.getByRole('button', { name: 'textInputArea.copyContent' }));
+      await user.click(screen.getByRole('button', { name: '复制内容' }));
 
       expect(writeTextSpy).toHaveBeenCalledWith('测试');
     });
@@ -381,7 +380,7 @@ describe('TextInputArea 组件', () => {
       const handleClear = vi.fn();
       render(<TextInputArea value="内容" onChange={() => {}} onClear={handleClear} />);
 
-      fireEvent.click(screen.getByRole('button', { name: 'textInputArea.clear' }));
+      fireEvent.click(screen.getByRole('button', { name: '清空' }));
 
       expect(handleClear).toHaveBeenCalledOnce();
     });
@@ -389,7 +388,7 @@ describe('TextInputArea 组件', () => {
     it('不传 onClear 时清空按钮应正常工作', () => {
       render(<TextInputArea defaultValue="内容" />);
 
-      fireEvent.click(screen.getByRole('button', { name: 'textInputArea.clear' }));
+      fireEvent.click(screen.getByRole('button', { name: '清空' }));
 
       expect(screen.getByRole('textbox')).toHaveValue('');
     });

src/config/README.md

@@ -1,43 +0,0 @@
-# config/
-
-应用级配置目录，存放功能特性的注册中心。
-
-## 文件说明
-
-| 文件           | 用途                                     |
-| -------------- | ---------------------------------------- |
-| `features.tsx` | 核心配置文件，定义所有工具功能的注册信息 |
-
-## features.tsx
-
-`FEATURES` 数组是路由和功能元数据的**单一事实来源**，每个功能定义包含：
-
-- `key`：页面类型标识（`PageType`）
-- `labelKey` / `descriptionKey`：i18n 翻译键
-- `themeColorKey`：主题色（`primary/success/warning/error/secondary/info`）
-- `icon`：lucide-react 图标组件
-- `defaultVisible`：默认是否可见
-- `components`：三种渲染模式的懒加载组件（`popup`、`sidepanel`、`tab`）
-
-## 已注册功能（10 个）
-
-| key                  | 图标              | 说明              |
-| -------------------- | ----------------- | ----------------- |
-| `dashboard`          | —                 | 仪表盘首页        |
-| `timestamp`          | Clock             | 时间戳转换工具    |
-| `storageCleaner`     | Database          | 存储清理工具      |
-| `qrCode`             | QrCode            | 二维码工具        |
-| `textStatistics`     | FileText          | 文本统计工具      |
-| `jwt`                | Key               | JWT 解析工具      |
-| `jsonDiff`           | GitCompareArrows  | JSON 差异比较工具 |
-| `base64Converter`    | ArrowLeftRight    | Base64 转换器     |
-| `rightClickRestorer` | MousePointerClick | 右键菜单恢复工具  |
-| `testDataGenerator`  | FileSpreadsheet   | 测试数据生成器    |
-
-## 导出函数
-
-- `getFeatureByKey(key)` — 根据 key 获取功能配置
-- `getDefaultVisibleFeatureKeys()` — 获取默认可见的功能 key 列表
-- `getAllFeatureKeys()` — 获取所有功能 key 列表
-- `getDefaultPageOrder()` — 获取默认页面排序（不含 dashboard）
-- `getEntryPointType()` — 判断当前入口类型（popup/sidepanel/tab）

src/config/__tests__/features.lazy.test.ts

@@ -0,0 +1,85 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+const pageLoadTracker = vi.hoisted(() => ({
+  loaded: [] as string[],
+}));
+
+vi.mock('@/pages/Dashboard', () => {
+  pageLoadTracker.loaded.push('Dashboard');
+  return { default: () => null };
+});
+vi.mock('@/pages/Timestamp', () => {
+  pageLoadTracker.loaded.push('Timestamp');
+  return { default: () => null };
+});
+vi.mock('@/pages/StorageCleaner', () => {
+  pageLoadTracker.loaded.push('StorageCleaner');
+  return { default: () => null };
+});
+vi.mock('@/pages/QrCode', () => {
+  pageLoadTracker.loaded.push('QrCode');
+  return { default: () => null };
+});
+vi.mock('@/pages/TextStatistics', () => {
+  pageLoadTracker.loaded.push('TextStatistics');
+  return { default: () => null };
+});
+vi.mock('@/pages/Jwt', () => {
+  pageLoadTracker.loaded.push('Jwt');
+  return { default: () => null };
+});
+vi.mock('@/pages/JsonTools', () => {
+  pageLoadTracker.loaded.push('JsonTools');
+  return { default: () => null };
+});
+vi.mock('@/pages/Base64Converter', () => {
+  pageLoadTracker.loaded.push('Base64Converter');
+  return { default: () => null };
+});
+vi.mock('@/pages/RightClickRestorer', () => {
+  pageLoadTracker.loaded.push('RightClickRestorer');
+  return { default: () => null };
+});
+vi.mock('@/pages/TestDataGenerator', () => {
+  pageLoadTracker.loaded.push('TestDataGenerator');
+  return { default: () => null };
+});
+
+describe('features 懒加载', () => {
+  beforeEach(() => {
+    pageLoadTracker.loaded.length = 0;
+    vi.resetModules();
+  });
+
+  it('仅导入工具函数时不应加载任何页面模块', async () => {
+    const { getAllFeatureKeys, getDefaultPageOrder } = await import('@/config/features');
+
+    getAllFeatureKeys();
+    getDefaultPageOrder();
+
+    expect(pageLoadTracker.loaded).toEqual([]);
+  });
+
+  it('访问 FEATURES 元数据时不应加载任何页面模块', async () => {
+    const { FEATURES } = await import('@/config/features');
+
+    expect(FEATURES).toHaveLength(10);
+    expect(pageLoadTracker.loaded).toEqual([]);
+  });
+
+  it('渲染 lazy 组件时才应加载对应页面模块', async () => {
+    const React = await import('react');
+    const { render, waitFor } = await import('@testing-library/react');
+    const { FEATURES } = await import('@/config/features');
+
+    const DashboardPage = FEATURES.find((f) => f.key === 'dashboard')!.components.popup;
+
+    render(
+      React.createElement(React.Suspense, { fallback: null }, React.createElement(DashboardPage)),
+    );
+
+    await waitFor(() => {
+      expect(pageLoadTracker.loaded).toEqual(['Dashboard']);
+    });
+  });
+});

src/config/__tests__/features.test.ts

@@ -9,27 +9,26 @@ import {
 
 describe('features', () => {
   describe('FEATURES', () => {
-    it('should have 10 features defined', () => {
+    it('应该有10个功能定义', () => {
       expect(FEATURES).toHaveLength(10);
     });
 
-    it('should have all required properties for each feature', () => {
+    it('应该有每个功能的所有必需属性', () => {
       FEATURES.forEach((feature) => {
         expect(feature).toHaveProperty('key');
-        expect(feature).toHaveProperty('labelKey');
-        expect(feature).toHaveProperty('descriptionKey');
+        expect(feature).toHaveProperty('label');
+        expect(feature).toHaveProperty('description');
         expect(feature).toHaveProperty('defaultVisible');
         expect(feature).toHaveProperty('components');
         expect(typeof feature.key).toBe('string');
-        expect(typeof feature.labelKey).toBe('string');
-        expect(typeof feature.descriptionKey).toBe('string');
+        expect(typeof feature.label).toBe('string');
+        expect(typeof feature.description).toBe('string');
         expect(typeof feature.defaultVisible).toBe('boolean');
         expect(typeof feature.components).toBe('object');
         expect(feature.components).toHaveProperty('popup');
         expect(feature.components).toHaveProperty('sidepanel');
         expect(feature.components).toHaveProperty('tab');
 
-        // Optional UI properties for non-hidden features
         if (feature.key !== 'dashboard') {
           expect(feature).toHaveProperty('icon');
           expect(feature).toHaveProperty('themeColorKey');
@@ -38,7 +37,7 @@ describe('features', () => {
       });
     });
 
-    it('should have unique keys for each feature', () => {
+    it('应该有每个功能的唯一key', () => {
       const keys = FEATURES.map((f) => f.key);
       const uniqueKeys = new Set(keys);
       expect(uniqueKeys.size).toBe(keys.length);
@@ -46,36 +45,36 @@ describe('features', () => {
   });
 
   describe('getFeatureByKey', () => {
-    it('should return dashboard feature', () => {
+    it('应该返回dashboard功能', () => {
       const feature = getFeatureByKey('dashboard');
       expect(feature).toBeDefined();
       expect(feature?.key).toBe('dashboard');
-      expect(feature?.labelKey).toBe('dashboard_title');
+      expect(feature?.label).toBe('仪表盘');
     });
 
-    it('should return timestamp feature', () => {
+    it('应该返回时间戳功能', () => {
       const feature = getFeatureByKey('timestamp');
       expect(feature).toBeDefined();
       expect(feature?.key).toBe('timestamp');
-      expect(feature?.labelKey).toBe('timestamp_title');
+      expect(feature?.label).toBe('时间戳');
       expect(feature?.themeColorKey).toBeDefined();
     });
 
-    it('should return storageCleaner feature', () => {
+    it('应该返回存储清理功能', () => {
       const feature = getFeatureByKey('storageCleaner');
       expect(feature).toBeDefined();
       expect(feature?.key).toBe('storageCleaner');
-      expect(feature?.labelKey).toBe('storageCleaner_title');
+      expect(feature?.label).toBe('存储清理');
     });
 
-    it('should return undefined for invalid key', () => {
+    it('应该返回undefined用于无效的key', () => {
       const feature = getFeatureByKey('invalid' as any);
       expect(feature).toBeUndefined();
     });
   });
 
   describe('getDefaultVisibleFeatureKeys', () => {
-    it('should return only visible features', () => {
+    it('应该返回仅可见的功能', () => {
       const visibleKeys = getDefaultVisibleFeatureKeys();
       visibleKeys.forEach((key) => {
         const feature = getFeatureByKey(key);
@@ -83,7 +82,7 @@ describe('features', () => {
       });
     });
 
-    it('should include dashboard, timestamp, storageCleaner, qrCode', () => {
+    it('应该包含仪表盘、时间戳、存储清理、二维码', () => {
       const visibleKeys = getDefaultVisibleFeatureKeys();
       expect(visibleKeys).toContain('dashboard');
       expect(visibleKeys).toContain('timestamp');
@@ -93,7 +92,7 @@ describe('features', () => {
   });
 
   describe('getAllFeatureKeys', () => {
-    it('should return all feature keys', () => {
+    it('应该返回所有功能key', () => {
       const allKeys = getAllFeatureKeys();
       expect(allKeys).toHaveLength(10);
       expect(allKeys).toContain('dashboard');
@@ -102,7 +101,7 @@ describe('features', () => {
       expect(allKeys).toContain('qrCode');
       expect(allKeys).toContain('textStatistics');
       expect(allKeys).toContain('jwt');
-      expect(allKeys).toContain('jsonDiff');
+      expect(allKeys).toContain('jsonTools');
       expect(allKeys).toContain('base64Converter');
       expect(allKeys).toContain('rightClickRestorer');
       expect(allKeys).toContain('testDataGenerator');
@@ -110,19 +109,19 @@ describe('features', () => {
   });
 
   describe('getDefaultPageOrder', () => {
-    it('should exclude dashboard from page order', () => {
+    it('应该排除仪表盘从页面顺序', () => {
       const pageOrder = getDefaultPageOrder();
       expect(pageOrder).not.toContain('dashboard');
     });
 
-    it('should include timestamp, storageCleaner, qrCode in page order', () => {
+    it('应该包含时间戳、存储清理、二维码在页面顺序', () => {
       const pageOrder = getDefaultPageOrder();
       expect(pageOrder).toContain('timestamp');
       expect(pageOrder).toContain('storageCleaner');
       expect(pageOrder).toContain('qrCode');
     });
 
-    it('should have 9 items in page order', () => {
+    it('应该有9个项目在页面顺序', () => {
       const pageOrder = getDefaultPageOrder();
       expect(pageOrder).toHaveLength(9);
     });

src/config/features.tsx

@@ -29,8 +29,8 @@ const TestDataGeneratorPage = lazy(() => import('@/pages/TestDataGenerator'));
 
 export interface FeatureConfig {
   key: PageType;
-  labelKey: string;
-  descriptionKey: string;
+  label: string;
+  description: string;
   themeColorKey?: PaletteColorKey;
   icon?: ComponentType<LucideProps>;
   defaultVisible: boolean;
@@ -44,8 +44,8 @@ export interface FeatureConfig {
 export const FEATURES: FeatureConfig[] = [
   {
     key: 'dashboard',
-    labelKey: 'dashboard_title',
-    descriptionKey: '',
+    label: '仪表盘',
+    description: '',
     defaultVisible: true,
     components: {
       popup: DashboardPage,
@@ -55,8 +55,8 @@ export const FEATURES: FeatureConfig[] = [
   },
   {
     key: 'timestamp',
-    labelKey: 'timestamp_title',
-    descriptionKey: 'timestamp_description',
+    label: '时间戳',
+    description: 'Unix 毫秒数转换与格式化',
     themeColorKey: 'primary',
     icon: Clock,
     defaultVisible: true,
@@ -68,8 +68,8 @@ export const FEATURES: FeatureConfig[] = [
   },
   {
     key: 'storageCleaner',
-    labelKey: 'storageCleaner_title',
-    descriptionKey: 'storageCleaner_description',
+    label: '存储清理',
+    description: '清理缓存、Cookies 及本地存储',
     themeColorKey: 'warning',
     icon: Database,
     defaultVisible: true,
@@ -81,8 +81,8 @@ export const FEATURES: FeatureConfig[] = [
   },
   {
     key: 'qrCode',
-    labelKey: 'qrCode_title',
-    descriptionKey: 'qrCode_description',
+    label: '二维码工具',
+    description: '生成当前选中的 URL 的二维码',
     themeColorKey: 'success',
     icon: QrCode,
     defaultVisible: true,
@@ -94,8 +94,8 @@ export const FEATURES: FeatureConfig[] = [
   },
   {
     key: 'textStatistics',
-    labelKey: 'textStatistics_title',
-    descriptionKey: 'textStatistics_description',
+    label: '文本统计',
+    description: '实时分析文本字符、单词及字节',
     themeColorKey: 'secondary',
     icon: FileText,
     defaultVisible: true,
@@ -107,8 +107,8 @@ export const FEATURES: FeatureConfig[] = [
   },
   {
     key: 'jwt',
-    labelKey: 'jwt_title',
-    descriptionKey: 'jwt_description',
+    label: 'JWT 解析',
+    description: 'JSON Web Token 解码与查看',
     themeColorKey: 'info',
     icon: Key,
     defaultVisible: true,
@@ -119,9 +119,9 @@ export const FEATURES: FeatureConfig[] = [
     },
   },
   {
-    key: 'jsonDiff',
-    labelKey: 'jsonDiff_title',
-    descriptionKey: 'jsonDiff_description',
+    key: 'jsonTools',
+    label: 'JSON 工具',
+    description: '差异比较、格式化、YAML/TOML 转换及压缩',
     themeColorKey: 'primary',
     icon: GitCompareArrows,
     defaultVisible: true,
@@ -133,8 +133,8 @@ export const FEATURES: FeatureConfig[] = [
   },
   {
     key: 'base64Converter',
-    labelKey: 'base64Converter_title',
-    descriptionKey: 'base64Converter_description',
+    label: 'Base64 转换器',
+    description: '文本、文件与图像的 Base64 编码转换',
     themeColorKey: 'info',
     icon: ArrowLeftRight,
     defaultVisible: true,
@@ -146,8 +146,8 @@ export const FEATURES: FeatureConfig[] = [
   },
   {
     key: 'rightClickRestorer',
-    labelKey: 'rightClickRestorer_title',
-    descriptionKey: 'rightClickRestorer_description',
+    label: '右键恢复',
+    description: '检测并恢复被网站禁用的浏览器右键菜单',
     themeColorKey: 'success',
     icon: MousePointerClick,
     defaultVisible: true,
@@ -159,8 +159,8 @@ export const FEATURES: FeatureConfig[] = [
   },
   {
     key: 'testDataGenerator',
-    labelKey: 'testDataGenerator_title',
-    descriptionKey: 'testDataGenerator_description',
+    label: '测试数据生成器',
+    description: '自定义规则批量生成测试数据',
     themeColorKey: 'warning',
     icon: FileSpreadsheet,
     defaultVisible: true,

src/entrypoints/README.md

@@ -1,51 +0,0 @@
-# entrypoints/
-
-WXT 框架要求的扩展生命周期入口点，对应 Chrome Extension 的各个上下文。
-
-## 入口文件
-
-| 文件                            | 用途                                                                                          |
-| ------------------------------- | --------------------------------------------------------------------------------------------- |
-| `background.ts`                 | Service Worker 入口：注册右键菜单、监听菜单点击、处理消息通信、管理侧边栏状态、注入主环境脚本 |
-| `content.ts`                    | Content Script 入口：注入所有页面（`<all_urls>`），在 `document_end` 时初始化消息处理器       |
-| `rightClickRestorer.content.ts` | 专用 Content Script：处理右键菜单恢复功能，注入浮动状态徽章                                   |
-
-## 子目录
-
-### popup/
-
-Popup 弹窗页面（点击扩展图标弹出）。
-
-| 文件         | 用途                                                                           |
-| ------------ | ------------------------------------------------------------------------------ |
-| `index.html` | HTML 入口                                                                      |
-| `main.tsx`   | React 挂载点                                                                   |
-| `App.tsx`    | 根组件，组装 `RouterProvider` + `TopBar` + `ErrorBoundary` + `RouterContainer` |
-
-### sidepanel/
-
-侧边栏页面，结构与 popup 类似，额外通知 background 侧边栏开启/关闭状态。
-
-### options/
-
-设置页面，支持：
-
-- 拖拽排序功能顺序（`@dnd-kit`）
-- 功能可见性管理（显示/隐藏）
-- Popup/Sidepanel/Tab 三种模式独立配置
-
-### content/
-
-Content Script 内部分模块：
-
-| 文件                    | 用途                                                                |
-| ----------------------- | ------------------------------------------------------------------- |
-| `messageHandler.ts`     | 消息处理器初始化入口                                                |
-| `contextMenuHandler.ts` | 右键菜单点击事件处理，执行时间戳转换/文本统计并通过 UI Popover 展示 |
-| `uiPopover.ts`          | 在页面中注入浮层 Popover UI，展示右键菜单操作结果                   |
-
-## 架构说明
-
-- `background.ts` 是扩展的核心协调者，处理跨上下文通信
-- `content.ts` 注入到所有页面，负责接收和处理来自 background 的消息
-- `popup/`、`sidepanel/`、`options/` 共享同一套页面组件（来自 `pages/`），通过 `RouterProvider` 的不同配置实现独立路由

src/entrypoints/__tests__/background.test.ts

@@ -36,7 +36,7 @@ describe('background 菜单注册与分流', () => {
       expect(chrome.contextMenus.create).toHaveBeenCalledWith(
         expect.objectContaining({
           id: 'jwt',
-          title: '🔑 解析 JWT',
+          title: '解析 JWT',
           parentId: 'testing-tools-parent',
         }),
       );
@@ -48,7 +48,7 @@ describe('background 菜单注册与分流', () => {
       expect(chrome.contextMenus.create).toHaveBeenCalledWith(
         expect.objectContaining({
           id: 'qrCode-page',
-          title: '🔗 网页链接转二维码',
+          title: '网页链接转二维码',
           contexts: ['page'],
         }),
       );

src/entrypoints/background.ts

@@ -65,8 +65,8 @@ export default defineBackground(() => {
     const tabId = sender?.tab?.id;
 
     if (!tabId) {
-      console.warn('[RightClickRestorer] Injection request missing tabId');
-      return { success: false, message: 'Missing tabId' };
+      console.warn('[RightClickRestorer] 注入请求缺少 tabId');
+      return { success: false, message: '缺少 tabId' };
     }
 
     try {
@@ -79,7 +79,7 @@ export default defineBackground(() => {
       return { success: true };
     } catch (err) {
       const errorMsg = err instanceof Error ? err.message : String(err);
-      console.error('[RightClickRestorer] executeScript failed:', errorMsg);
+      console.error('[RightClickRestorer] 执行脚本失败:', errorMsg);
       return { success: false, message: errorMsg };
     }
   });

src/entrypoints/content/contextMenuHandler.ts

@@ -1,11 +1,10 @@
 import type { ContextMenuClickedPayload } from '@/utils/messages';
 import { MessageAction, onMessage } from '@/utils/messages';
 import { getTextStats } from '@/utils/textStatistics';
-import { getMessage } from '@/utils/chromeI18n';
 import { hidePopover, showTextStatsResult, showTimestampResult } from './uiPopover';
 
 function convertTimestamp(input: string): string {
-  const invalidText = getMessage('invalidTimestamp') || 'Invalid Timestamp';
+  const invalidText = '无效时间戳';
   const num = Number(input.trim());
 
   if (isNaN(num)) {

src/entrypoints/content/uiPopover.ts

@@ -137,12 +137,11 @@ function escapeHtml(text: string): string {
 }
 
 function positionPopover(popover: HTMLElement, x: number, y: number): void {
-  // 此时借助 visibility: hidden，元素在隐藏状态下拥有真实的布局高宽
   const rect = popover.getBoundingClientRect();
   const viewportWidth = window.innerWidth;
   const viewportHeight = window.innerHeight;
 
-  let left = x + 8; // 微微追加水平偏置，防范直接遮挡用户的鼠标落点
+  let left = x + 8;
   let top = y + 8;
 
   if (left + rect.width > viewportWidth - 16) {
@@ -178,7 +177,7 @@ function showPopover(
 
     const titleSpan = document.createElement('span');
     titleSpan.className = 'popover-title';
-    titleSpan.textContent = title; // ✅ 强安全性护航
+    titleSpan.textContent = title;
 
     const closeBtn = document.createElement('button');
     closeBtn.className = 'popover-close';
@@ -194,10 +193,9 @@ function showPopover(
 
   const contentContainer = document.createElement('div');
   contentContainer.className = 'popover-content';
-  contentContainer.innerHTML = contentHtml; // 内部拼装的方法已提前完成全消毒转义
+  contentContainer.innerHTML = contentHtml;
   popover.appendChild(contentContainer);
 
-  // 提前移除激活类名，使 visibility: hidden 起效以供测量
   popover.classList.remove('visible');
 
   requestAnimationFrame(() => {
@@ -226,7 +224,6 @@ export function hidePopover(): void {
 }
 
 export function showTimestampResult(x: number, y: number, timestamp: string, result: string): void {
-  // 对外部传来的参数先全数塞入 escapeHtml 大闸进行纯氧化清洗
   const cleanTimestamp = escapeHtml(timestamp);
   const cleanResult = escapeHtml(result);
 
@@ -236,7 +233,7 @@ export function showTimestampResult(x: number, y: number, timestamp: string, res
     <div class="popover-label">转换结果</div>
     <div class="popover-value">${cleanResult}</div>
   `;
-  showPopover(x, y, content, '⏰ 时间戳转换');
+  showPopover(x, y, content, '转换结果');
 }
 
 export function showTextStatsResult(
@@ -246,7 +243,6 @@ export function showTextStatsResult(
   stats: { characters: number; words: number; lines: number; bytes: number },
 ): void {
   const truncatedText = text.length > 50 ? text.substring(0, 50) + '...' : text;
-  // 对选中的脏文本先进行严格转义
   const cleanText = escapeHtml(truncatedText);
 
   const content = `
@@ -271,5 +267,5 @@ export function showTextStatsResult(
       </div>
     </div>
   `;
-  showPopover(x, y, content, '📊 文本统计');
+  showPopover(x, y, content, '统计结果');
 }

src/entrypoints/popup/App.tsx

@@ -1,5 +1,5 @@
 import RouterProvider from '@/providers/RouterProvider';
-import TopBar from '@/components/TopBar';
+import TopBar from '@/layout/TopBar';
 import RouterContainer from '@/components/RouterContainer';
 import ErrorBoundary from '@/components/ErrorBoundary';
 import { getEntryPointType } from '@/config/features';

src/entrypoints/popup/index.html

@@ -5,6 +5,19 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Testing Tools - 标签页</title>
     <meta name="manifest.type" content="browser_action" />
+    <script>
+      (function () {
+        try {
+          var raw = localStorage.getItem('snapshot/app/themeMode');
+          var mode = raw ? JSON.parse(raw) : 'system';
+          if (mode !== 'light' && mode !== 'dark' && mode !== 'system') mode = 'system';
+          var isDark =
+            mode === 'dark' ||
+            (mode === 'system' && window.matchMedia('(prefers-color-scheme: dark)').matches);
+          if (isDark) document.documentElement.classList.add('dark');
+        } catch (_error) {}
+      })();
+    </script>
     <style>
       /* Force initial popup size before React hydration */
       html, body {

src/entrypoints/popup/main.tsx

@@ -1,8 +1,11 @@
 import ReactDOM from 'react-dom/client';
+import { applyThemeFromSnapshot } from '@/utils/themeSnapshot';
 import AppRoot from '@/providers/AppRoot';
 import '@/index.css';
 import App from './App.tsx';
 
+applyThemeFromSnapshot();
+
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <AppRoot>
     <App />

src/entrypoints/sidepanel/App.tsx

@@ -1,6 +1,6 @@
 import { useEffect } from 'react';
 import RouterProvider from '@/providers/RouterProvider';
-import TopBar from '@/components/TopBar';
+import TopBar from '@/layout/TopBar';
 import RouterContainer from '@/components/RouterContainer';
 import ErrorBoundary from '@/components/ErrorBoundary';
 import { MessageAction, sendMessage } from '@/utils/messages';

src/entrypoints/sidepanel/index.html

@@ -4,6 +4,19 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Testing Tools - Side Panel</title>
+    <script>
+      (function () {
+        try {
+          var raw = localStorage.getItem('snapshot/app/themeMode');
+          var mode = raw ? JSON.parse(raw) : 'system';
+          if (mode !== 'light' && mode !== 'dark' && mode !== 'system') mode = 'system';
+          var isDark =
+            mode === 'dark' ||
+            (mode === 'system' && window.matchMedia('(prefers-color-scheme: dark)').matches);
+          if (isDark) document.documentElement.classList.add('dark');
+        } catch (_error) {}
+      })();
+    </script>
   </head>
   <body>
     <div id="root"></div>

src/entrypoints/sidepanel/main.tsx

@@ -1,8 +1,11 @@
 import ReactDOM from 'react-dom/client';
+import { applyThemeFromSnapshot } from '@/utils/themeSnapshot';
 import AppRoot from '@/providers/AppRoot';
 import '@/index.css';
 import App from './App.tsx';
 
+applyThemeFromSnapshot();
+
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <AppRoot>
     <App />

src/layout/README.md

@@ -0,0 +1,26 @@
+# layout/
+
+应用壳层布局组件目录，存放与扩展入口（popup / sidepanel / tab）绑定的布局 UI，与 `components/` 中的通用可复用组件区分。
+
+## 组件列表
+
+| 目录      | 用途                                                           |
+| --------- | -------------------------------------------------------------- |
+| `TopBar/` | 顶部导航栏：搜索（含历史记录）、主题切换、返回导航、标签页打开 |
+
+## 目录结构
+
+遵循与 `pages/` 相同的 UI + Hook 分离模式：
+
+```
+layout/TopBar/
+├── index.tsx              # 布局入口
+├── useTopBar.ts           # 业务逻辑 Hook
+├── constants.ts           # 常量
+├── SearchInput.tsx        # 搜索输入框
+├── SearchDropdown.tsx     # 搜索结果/历史下拉面板
+├── SearchResultItem.tsx   # 单条搜索结果项
+├── TopBarActions.tsx      # 右侧操作按钮组
+└── __tests__/
+    └── index.test.tsx
+```

src/layout/TopBar/SearchDropdown.tsx

@@ -0,0 +1,45 @@
+import { type FeatureConfig } from '@/config/features';
+import SearchResultItem from './SearchResultItem';
+
+interface SearchDropdownProps {
+  searchQuery: string;
+  searchResults: FeatureConfig[];
+  recentFeatures: FeatureConfig[];
+  selectedIndex: number;
+  onSelect: (feature: FeatureConfig) => void;
+}
+
+export default function SearchDropdown({
+  searchQuery,
+  searchResults,
+  recentFeatures,
+  selectedIndex,
+  onSelect,
+}: SearchDropdownProps) {
+  const isSearching = searchQuery.trim().length > 0;
+  const items = isSearching ? searchResults : recentFeatures;
+
+  return (
+    <div className="absolute left-0 right-0 top-full z-50 mt-1.5 max-h-80 overflow-y-auto rounded-lg border border-border bg-popover text-popover-foreground shadow-lg animate-in fade-in slide-in-from-top-2 duration-150">
+      <ul role="listbox" className="p-1.5">
+        {!isSearching && items.length > 0 && (
+          <div className="px-3 py-1.5 text-[11px] font-semibold uppercase tracking-wider text-muted-foreground/60">
+            最近搜索
+          </div>
+        )}
+        {isSearching && items.length === 0 ? (
+          <li className="px-4 py-6 text-center text-sm text-muted-foreground">未找到相关工具</li>
+        ) : (
+          items.map((feature, index) => (
+            <SearchResultItem
+              key={feature.key}
+              feature={feature}
+              selected={selectedIndex === index}
+              onSelect={onSelect}
+            />
+          ))
+        )}
+      </ul>
+    </div>
+  );
+}

src/layout/TopBar/SearchInput.tsx

@@ -0,0 +1,57 @@
+import { type RefObject } from 'react';
+import { Search, X } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { getSearchShortcutLabel } from './constants';
+
+interface SearchInputProps {
+  inputRef: RefObject<HTMLInputElement | null>;
+  searchQuery: string;
+  onSearchQueryChange: (value: string) => void;
+  onFocus: () => void;
+  onKeyDown: (e: React.KeyboardEvent) => void;
+  onClear: () => void;
+}
+
+export default function SearchInput({
+  inputRef,
+  searchQuery,
+  onSearchQueryChange,
+  onFocus,
+  onKeyDown,
+  onClear,
+}: SearchInputProps) {
+  return (
+    <div className="group relative">
+      <Search className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground/60 transition-colors group-focus-within:text-muted-foreground" />
+      <Input
+        ref={inputRef}
+        type="text"
+        placeholder="搜索工具..."
+        value={searchQuery}
+        onChange={(e) => onSearchQueryChange(e.target.value)}
+        onFocus={onFocus}
+        onKeyDown={onKeyDown}
+        aria-label="搜索工具..."
+        className="h-9 rounded-lg border-border/60 bg-muted/40 pl-9 pr-16 shadow-none focus-visible:ring-1 focus-visible:ring-offset-0 placeholder:text-muted-foreground/50"
+      />
+      {!searchQuery && (
+        <kbd className="pointer-events-none absolute right-3 top-1/2 hidden h-5 -translate-y-1/2 items-center gap-0.5 rounded border border-border/60 bg-muted px-1.5 font-mono text-[10px] font-medium text-muted-foreground/60 sm:inline-flex">
+          {getSearchShortcutLabel()}
+        </kbd>
+      )}
+      {searchQuery && (
+        <Button
+          type="button"
+          variant="ghost"
+          size="icon"
+          onClick={onClear}
+          aria-label="清除搜索"
+          className="absolute right-1 top-1/2 h-7 w-7 -translate-y-1/2 text-muted-foreground hover:text-foreground"
+        >
+          <X className="h-3 w-3" />
+        </Button>
+      )}
+    </div>
+  );
+}

src/layout/TopBar/SearchResultItem.tsx

@@ -0,0 +1,34 @@
+import React from 'react';
+import { type FeatureConfig } from '@/config/features';
+import { cn } from '@/lib/utils';
+
+interface SearchResultItemProps {
+  feature: FeatureConfig;
+  selected: boolean;
+  onSelect: (feature: FeatureConfig) => void;
+}
+
+const SearchResultItem = React.memo(({ feature, selected, onSelect }: SearchResultItemProps) => {
+  return (
+    <li
+      role="option"
+      aria-selected={selected}
+      onClick={() => onSelect(feature)}
+      className={cn(
+        'flex cursor-pointer items-center gap-3 rounded-md px-3 py-2.5 text-sm transition-colors',
+        selected ? 'bg-accent text-accent-foreground' : 'hover:bg-muted/60',
+      )}
+    >
+      <div className="flex h-8 w-8 shrink-0 items-center justify-center rounded-lg bg-muted/80 text-muted-foreground">
+        {feature.icon && <feature.icon className="h-4 w-4" />}
+      </div>
+      <div className="min-w-0 flex-1">
+        <p className="truncate font-medium text-foreground">{feature.label}</p>
+        <p className="mt-0.5 truncate text-xs text-muted-foreground">{feature.description}</p>
+      </div>
+    </li>
+  );
+});
+SearchResultItem.displayName = 'SearchResultItem';
+
+export default SearchResultItem;

src/layout/TopBar/TopBarActions.tsx

@@ -0,0 +1,34 @@
+import { type LucideIcon } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+
+interface TopBarAction {
+  id: string;
+  icon: LucideIcon;
+  title: string;
+  onClick: () => void;
+}
+
+interface TopBarActionsProps {
+  actions: TopBarAction[];
+}
+
+export default function TopBarActions({ actions }: TopBarActionsProps) {
+  return (
+    <div className="flex shrink-0 items-center gap-1">
+      {actions.map(({ id, icon: Icon, title, onClick }) => (
+        <Button
+          key={id}
+          type="button"
+          variant="ghost"
+          size="icon"
+          onClick={onClick}
+          title={title}
+          aria-label={title}
+          className="h-8 w-8 text-muted-foreground"
+        >
+          <Icon className="h-4 w-4" />
+        </Button>
+      ))}
+    </div>
+  );
+}

src/layout/TopBar/__tests__/constants.test.ts

@@ -0,0 +1,37 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { getSearchShortcutLabel } from '@/layout/TopBar/constants';
+
+describe('getSearchShortcutLabel', () => {
+  const originalUserAgent = navigator.userAgent;
+
+  afterEach(() => {
+    vi.stubGlobal('navigator', { ...navigator, userAgent: originalUserAgent });
+  });
+
+  it('macOS 应显示 ⌘K', () => {
+    vi.stubGlobal('navigator', {
+      ...navigator,
+      userAgent:
+        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
+    });
+    expect(getSearchShortcutLabel()).toBe('⌘K');
+  });
+
+  it('Windows 应显示 Ctrl+K', () => {
+    vi.stubGlobal('navigator', {
+      ...navigator,
+      userAgent:
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
+    });
+    expect(getSearchShortcutLabel()).toBe('Ctrl+K');
+  });
+
+  it('Linux 应显示 Ctrl+K', () => {
+    vi.stubGlobal('navigator', {
+      ...navigator,
+      userAgent:
+        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
+    });
+    expect(getSearchShortcutLabel()).toBe('Ctrl+K');
+  });
+});

src/layout/TopBar/__tests__/index.test.tsx

@@ -2,7 +2,7 @@ import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { fireEvent, render, screen } from '@testing-library/react';
 import type { PageType } from '@/types/storage';
 import React from 'react';
-import TopBar from '@/components/TopBar';
+import TopBar from '@/layout/TopBar';
 import { RouterProvider } from '@/providers/RouterProvider';
 import { ThemeModeProvider } from '@/providers/ThemeModeProvider';
 
@@ -27,7 +27,7 @@ const mockRouterValue = {
   isLoaded: true,
   navigateTo: vi.fn(),
   syncNavigation: vi.fn(),
-  goBack: vi.fn(),
+  goHome: vi.fn(),
   setVisiblePages: vi.fn(),
   setPageOrder: vi.fn(),
 };
@@ -54,23 +54,23 @@ describe('TopBar 组件', () => {
     it('不在 dashboard 时应渲染返回按钮', () => {
       mockRouterValue.currentPage = 'timestamp';
       renderWithProvider(<TopBar />);
-      expect(screen.getByLabelText('返回')).toBeInTheDocument();
+      expect(screen.getByLabelText('返回首页')).toBeInTheDocument();
     });
 
     it('在 dashboard 上不应渲染返回按钮', () => {
       mockRouterValue.currentPage = 'dashboard';
       renderWithProvider(<TopBar />);
-      expect(screen.queryByLabelText('返回')).not.toBeInTheDocument();
+      expect(screen.queryByLabelText('返回首页')).not.toBeInTheDocument();
     });
   });
 
   describe('交互测试', () => {
-    it('点击返回按钮时应调用 goBack', () => {
+    it('点击返回按钮时应调用 goHome', () => {
       mockRouterValue.currentPage = 'timestamp';
       renderWithProvider(<TopBar />);
 
-      fireEvent.click(screen.getByLabelText('返回'));
-      expect(mockRouterValue.goBack).toHaveBeenCalledTimes(1);
+      fireEvent.click(screen.getByLabelText('返回首页'));
+      expect(mockRouterValue.goHome).toHaveBeenCalledTimes(1);
     });
   });
 });

src/layout/TopBar/constants.ts

@@ -0,0 +1,11 @@
+export const SEARCH_HISTORY_LIMIT = 10;
+export const SEARCH_HISTORY_DISPLAY = 5;
+
+export const isSearchHistory = (val: unknown): val is string[] =>
+  Array.isArray(val) && val.every((item) => typeof item === 'string');
+
+/** 根据平台返回搜索框快捷键提示文案 */
+export function getSearchShortcutLabel(): string {
+  if (typeof navigator === 'undefined') return 'Ctrl+K';
+  return /Mac|iPhone|iPad|iPod/i.test(navigator.userAgent) ? '⌘K' : 'Ctrl+K';
+}

src/layout/TopBar/index.tsx

@@ -0,0 +1,91 @@
+import { ArrowLeft, ExternalLink } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import SearchDropdown from './SearchDropdown';
+import SearchInput from './SearchInput';
+import TopBarActions from './TopBarActions';
+import { useTopBar } from './useTopBar';
+
+export default function TopBar() {
+  const {
+    searchQuery,
+    showResults,
+    searchResults,
+    recentFeatures,
+    selectedIndex,
+    isDashboard,
+    ThemeIcon,
+    themeTitle,
+    containerRef,
+    inputRef,
+    setSearchQuery,
+    setShowResults,
+    setSelectedIndex,
+    handleSelectFeature,
+    handleKeyDown,
+    cycleThemeMode,
+    handleOpenInTab,
+    goHome,
+    clearSearch,
+  } = useTopBar();
+
+  const actions = [
+    { id: 'theme', icon: ThemeIcon, title: themeTitle, onClick: cycleThemeMode },
+    {
+      id: 'open-in-tab',
+      icon: ExternalLink,
+      title: '在标签页打开',
+      onClick: () => {
+        void handleOpenInTab();
+      },
+    },
+  ];
+
+  const handleSearchQueryChange = (value: string) => {
+    setSearchQuery(value);
+    setShowResults(true);
+    setSelectedIndex(-1);
+  };
+
+  const showDropdown = showResults && (searchQuery.trim() || recentFeatures.length > 0);
+
+  return (
+    <header className="relative z-50 flex h-14 items-center justify-between border-b border-border bg-background px-4">
+      <div className="flex w-10 items-center justify-start">
+        {!isDashboard && (
+          <Button
+            type="button"
+            variant="outline"
+            size="icon"
+            onClick={goHome}
+            aria-label="返回首页"
+            className="h-8 w-8 shadow-sm text-muted-foreground"
+          >
+            <ArrowLeft className="h-4 w-4" />
+          </Button>
+        )}
+      </div>
+
+      <div ref={containerRef} className="relative mx-4 max-w-md flex-1">
+        <SearchInput
+          inputRef={inputRef}
+          searchQuery={searchQuery}
+          onSearchQueryChange={handleSearchQueryChange}
+          onFocus={() => setShowResults(true)}
+          onKeyDown={handleKeyDown}
+          onClear={clearSearch}
+        />
+        {showDropdown && (
+          <SearchDropdown
+            searchQuery={searchQuery}
+            searchResults={searchResults}
+            recentFeatures={recentFeatures}
+            selectedIndex={selectedIndex}
+            onSelect={handleSelectFeature}
+          />
+        )}
+      </div>
+
+      <TopBarActions actions={actions} />
+    </header>
+  );
+}

src/layout/TopBar/useTopBar.ts

@@ -0,0 +1,171 @@
+import { useEffect, useMemo, useRef, useState, type RefObject } from 'react';
+import { Monitor, Moon, Sun } from 'lucide-react';
+import { useRouter } from '@/providers/RouterProvider';
+import { useThemeMode } from '@/providers/ThemeModeProvider';
+import { type FeatureConfig, FEATURES } from '@/config/features';
+import { useStorageState } from '@/utils/useStorageState';
+import { openExtensionPage } from '@/utils/chromeTabs';
+import { isSearchHistory, SEARCH_HISTORY_DISPLAY, SEARCH_HISTORY_LIMIT } from './constants';
+
+export interface UseTopBarReturn {
+  searchQuery: string;
+  showResults: boolean;
+  searchResults: FeatureConfig[];
+  recentFeatures: FeatureConfig[];
+  selectedIndex: number;
+  isDashboard: boolean;
+  ThemeIcon: typeof Sun;
+  themeTitle: string;
+  containerRef: RefObject<HTMLDivElement | null>;
+  inputRef: RefObject<HTMLInputElement | null>;
+  setSearchQuery: (value: string) => void;
+  setShowResults: (value: boolean) => void;
+  setSelectedIndex: (value: number | ((prev: number) => number)) => void;
+  handleSelectFeature: (feature: FeatureConfig) => void;
+  handleKeyDown: (e: React.KeyboardEvent) => void;
+  cycleThemeMode: () => void;
+  handleOpenInTab: () => Promise<void>;
+  goHome: () => void;
+  clearSearch: () => void;
+}
+
+export function useTopBar(): UseTopBarReturn {
+  const { currentPage, goHome, navigateTo } = useRouter();
+  const { mode, setMode } = useThemeMode();
+
+  const [searchQuery, setSearchQuery] = useState('');
+  const [showResults, setShowResults] = useState(false);
+  const [searchHistory, setSearchHistory] = useStorageState(
+    'app/searchHistory',
+    [],
+    isSearchHistory,
+  );
+  const [selectedIndex, setSelectedIndex] = useState(-1);
+
+  const containerRef = useRef<HTMLDivElement>(null);
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  const handleOpenInTab = async () => {
+    await openExtensionPage('popup.html', { mode: 'tab' });
+    window.close();
+  };
+
+  useEffect(() => {
+    const handleClickOutside = (event: MouseEvent) => {
+      if (containerRef.current && !containerRef.current.contains(event.target as Node)) {
+        setShowResults(false);
+      }
+    };
+    document.addEventListener('mousedown', handleClickOutside);
+    return () => document.removeEventListener('mousedown', handleClickOutside);
+  }, []);
+
+  useEffect(() => {
+    const handleGlobalKeyDown = (e: KeyboardEvent) => {
+      if ((e.metaKey || e.ctrlKey) && e.key === 'k') {
+        e.preventDefault();
+        inputRef.current?.focus();
+        setShowResults(true);
+      }
+    };
+    document.addEventListener('keydown', handleGlobalKeyDown);
+    return () => document.removeEventListener('keydown', handleGlobalKeyDown);
+  }, []);
+
+  const searchResults = useMemo(() => {
+    const query = searchQuery.trim().toLowerCase();
+    if (!query) return [];
+    return FEATURES.filter((f) => {
+      if (f.key === 'dashboard') return false;
+      return f.label.toLowerCase().includes(query) || f.description.toLowerCase().includes(query);
+    });
+  }, [searchQuery]);
+
+  const displayedHistory = useMemo(() => {
+    if (searchQuery.trim()) return [];
+    return searchHistory
+      .slice(0, SEARCH_HISTORY_DISPLAY)
+      .map((key) => FEATURES.find((f) => f.key === key))
+      .filter((feature): feature is FeatureConfig => !!feature && feature.key !== 'dashboard');
+  }, [searchHistory, searchQuery]);
+
+  const saveToHistory = (featureKey: string) => {
+    if (!featureKey.trim()) return;
+    setSearchHistory((prev) =>
+      [featureKey, ...prev.filter((h) => h !== featureKey)].slice(0, SEARCH_HISTORY_LIMIT),
+    );
+  };
+
+  const handleSelectFeature = (feature: FeatureConfig) => {
+    navigateTo(feature.key);
+    saveToHistory(feature.key);
+    setSearchQuery('');
+    setShowResults(false);
+  };
+
+  const cycleThemeMode = () => {
+    const nextMap = { light: 'dark', dark: 'system', system: 'light' } as const;
+    setMode(nextMap[mode]);
+  };
+
+  const ThemeIcon = mode === 'light' ? Sun : mode === 'dark' ? Moon : Monitor;
+
+  const themeTitle =
+    mode === 'light' ? '切换到深色模式' : mode === 'dark' ? '切换到系统模式' : '切换到浅色模式';
+
+  const handleKeyDown = (e: React.KeyboardEvent) => {
+    const totalItems = searchQuery.trim() ? searchResults.length : displayedHistory.length;
+
+    if (e.key === 'ArrowDown') {
+      e.preventDefault();
+      setSelectedIndex((prev) => (prev < totalItems - 1 ? prev + 1 : prev));
+    } else if (e.key === 'ArrowUp') {
+      e.preventDefault();
+      setSelectedIndex((prev) => (prev > 0 ? prev - 1 : prev));
+    } else if (e.key === 'Enter') {
+      e.preventDefault();
+      if (selectedIndex >= 0 && selectedIndex < totalItems) {
+        if (searchQuery.trim()) {
+          handleSelectFeature(searchResults[selectedIndex]);
+        } else {
+          const selected = displayedHistory[selectedIndex];
+          if (selected) {
+            handleSelectFeature(selected);
+          }
+        }
+      } else if (searchQuery.trim() && searchResults.length > 0) {
+        handleSelectFeature(searchResults[0]);
+      }
+    } else if (e.key === 'Escape') {
+      setShowResults(false);
+      inputRef.current?.blur();
+    }
+  };
+
+  const clearSearch = () => {
+    setSearchQuery('');
+    setSelectedIndex(-1);
+  };
+
+  return {
+    searchQuery,
+    showResults,
+    searchResults,
+    recentFeatures: displayedHistory,
+    selectedIndex,
+    isDashboard: currentPage === 'dashboard',
+    ThemeIcon,
+    themeTitle,
+    containerRef,
+    inputRef,
+    setSearchQuery,
+    setShowResults,
+    setSelectedIndex,
+    handleSelectFeature,
+    handleKeyDown,
+    cycleThemeMode,
+    handleOpenInTab,
+    goHome,
+    clearSearch,
+  };
+}

src/lib/generators/__tests__/random.test.ts

@@ -0,0 +1,22 @@
+import { randomInt, randomPick } from '@/lib/generators/random';
+
+describe('generators/random', () => {
+  it('randomInt 应返回闭区间内的整数', () => {
+    vi.spyOn(Math, 'random').mockReturnValue(0.5);
+
+    expect(randomInt(1, 10)).toBe(6);
+    expect(randomInt(5, 5)).toBe(5);
+  });
+
+  it('randomPick 应对单元素数组返回该元素', () => {
+    vi.spyOn(Math, 'random').mockReturnValue(0);
+
+    expect(randomPick(['only'])).toBe('only');
+  });
+
+  it('randomPick 应返回数组中的元素', () => {
+    vi.spyOn(Math, 'random').mockReturnValue(0.99);
+
+    expect(randomPick(['a', 'b', 'c'])).toBe('c');
+  });
+});

src/lib/generators/basic.ts

@@ -4,20 +4,7 @@
  */
 
 import type { GeneratorDefinition } from '@/types/testDataGenerator';
-
-/**
- * 生成随机整数
- */
-function randomInt(min: number, max: number): number {
-  return Math.floor(Math.random() * (max - min + 1)) + min;
-}
-
-/**
- * 从数组中随机选择
- */
-function randomPick<T>(arr: T[]): T {
-  return arr[Math.floor(Math.random() * arr.length)];
-}
+import { randomInt, randomPick } from './random';
 
 /**
  * 随机整数生成器

src/lib/generators/business.ts

@@ -4,20 +4,7 @@
  */
 
 import type { GeneratorDefinition } from '@/types/testDataGenerator';
-
-/**
- * 生成随机整数
- */
-function randomInt(min: number, max: number): number {
-  return Math.floor(Math.random() * (max - min + 1)) + min;
-}
-
-/**
- * 从数组中随机选择
- */
-function randomPick<T>(arr: T[]): T {
-  return arr[Math.floor(Math.random() * arr.length)];
-}
+import { randomInt, randomPick } from './random';
 
 /**
  * 格式化日期
@@ -434,7 +421,7 @@ function skewedRandom(min: number, max: number): number {
     v = 0;
   while (u === 0) u = Math.random();
   while (v === 0) v = Math.random();
-  const x = Math.pow(u, 1 / alpha) / Math.pow(u, 1 / alpha) + Math.pow(v, 1 / beta);
+  const x = Math.pow(u, 1 / alpha) / (Math.pow(u, 1 / alpha) + Math.pow(v, 1 / beta));
   return min + x * (max - min);
 }
 

src/lib/generators/personal.ts

@@ -4,6 +4,7 @@
  */
 
 import type { GeneratorDefinition } from '@/types/testDataGenerator';
+import { randomInt, randomPick } from './random';
 
 // 中文姓氏
 const SURNAMES = [
@@ -162,20 +163,6 @@ const CITIES: Record<string, string[]> = {
   四川省: ['成都市', '绵阳市', '德阳市', '宜宾市'],
 };
 
-/**
- * 生成随机整数
- */
-function randomInt(min: number, max: number): number {
-  return Math.floor(Math.random() * (max - min + 1)) + min;
-}
-
-/**
- * 从数组中随机选择
- */
-function randomPick<T>(arr: T[]): T {
-  return arr[Math.floor(Math.random() * arr.length)];
-}
-
 /**
  * 中文姓名生成器
  */

src/lib/generators/random.ts

@@ -0,0 +1,7 @@
+export function randomInt(min: number, max: number): number {
+  return Math.floor(Math.random() * (max - min + 1)) + min;
+}
+
+export function randomPick<T>(arr: readonly T[]): T {
+  return arr[Math.floor(Math.random() * arr.length)];
+}

src/lib/generators/technical.ts

@@ -4,20 +4,7 @@
  */
 
 import type { GeneratorDefinition } from '@/types/testDataGenerator';
-
-/**
- * 生成随机整数
- */
-function randomInt(min: number, max: number): number {
-  return Math.floor(Math.random() * (max - min + 1)) + min;
-}
-
-/**
- * 从数组中随机选择
- */
-function randomPick<T>(arr: T[]): T {
-  return arr[Math.floor(Math.random() * arr.length)];
-}
+import { randomInt, randomPick } from './random';
 
 /**
  * UUID 生成器

src/pages/Base64Converter/TextMode.tsx

@@ -1,162 +0,0 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
-import TextInputArea from '@/components/TextInputArea';
-import { useI18n } from '@/utils/chromeI18n';
-import { CopyButton } from '@/components/CopyButton';
-import { base64ToText, textToBase64 } from '@/utils/base64Converter';
-import SwitchButtonGroup from '@/components/SwitchButtonGroup';
-import { useContextMenuData } from '@/utils/useContextMenuData';
-import { Button } from '@/components/ui/button';
-
-const IMAGE_DATA_URI_PATTERN = /^\s*data:image\//i;
-
-const ERROR_MESSAGE_TO_I18N: Record<string, string> = {
-  'Invalid Base64 string': 'invalidBase64',
-  'Input appears to be binary data (e.g. an image). Please use the Image tab instead.':
-    'binaryDataDetected',
-};
-
-interface TextModeProps {
-  onSwitchToImageMode?: () => void;
-}
-
-export default function TextMode({ onSwitchToImageMode }: TextModeProps = {}) {
-  const { t } = useI18n('base64Converter');
-
-  const [input, setInput] = useState('');
-  const [debouncedInput, setDebouncedInput] = useState('');
-  const [direction, setDirection] = useState<'encode' | 'decode'>('encode');
-
-  useEffect(() => {
-    const handle = setTimeout(() => {
-      setDebouncedInput(input);
-    }, 200);
-    return () => clearTimeout(handle);
-  }, [input]);
-
-  const handleContextMenuData = useCallback((payload: string) => {
-    setInput(payload);
-    setDebouncedInput(payload);
-    setDirection('decode');
-  }, []);
-
-  useContextMenuData({ featureKey: 'base64Converter', onData: handleContextMenuData });
-
-  const conversionPipeline = useMemo(() => {
-    const trimmed = debouncedInput.trim();
-    if (!trimmed) return { output: '', error: null };
-
-    try {
-      if (direction === 'encode') {
-        const result = textToBase64(debouncedInput);
-        return { output: result.output, error: null };
-      } else {
-        const decoded = base64ToText(trimmed);
-        return { output: decoded, error: null };
-      }
-    } catch (e) {
-      const message = e instanceof Error ? e.message : '';
-      const i18nKey = ERROR_MESSAGE_TO_I18N[message];
-      return {
-        output: '',
-        error: i18nKey ? t(i18nKey) : message || t('conversionFailed'),
-      };
-    }
-  }, [debouncedInput, direction, t]);
-
-  const output = conversionPipeline.output;
-  const error = conversionPipeline.error;
-
-  const placeholder =
-    direction === 'encode' ? t('textInputPlaceholder') : t('base64InputPlaceholder');
-  const outputLabel = direction === 'encode' ? t('base64Output') : t('textOutput');
-
-  const showImageHint = useMemo(
-    () => direction === 'decode' && IMAGE_DATA_URI_PATTERN.test(input),
-    [direction, input],
-  );
-
-  const handleDirectionChange = (value: 'encode' | 'decode') => {
-    if (value === direction) return;
-    setDirection(value);
-    setInput('');
-    setDebouncedInput('');
-  };
-
-  const handleClear = () => {
-    setInput('');
-    setDebouncedInput('');
-  };
-
-  return (
-    <div className="w-full flex flex-col space-y-4 px-2">
-      {/* 受控方向切流中枢 */}
-      <div className="flex h-11 items-center px-1.5 bg-secondary/40 rounded-xl border border-border/60 w-fit">
-        <SwitchButtonGroup
-          value={direction}
-          options={[
-            { value: 'encode', label: t('encode') },
-            { value: 'decode', label: t('decode') },
-          ]}
-          onChange={handleDirectionChange}
-          size="small"
-        />
-      </div>
-
-      {/* 高性能受控文本输入端 */}
-      <TextInputArea
-        placeholder={placeholder}
-        value={input}
-        onChange={setInput}
-        externalError={error || undefined}
-        showClear={true}
-        allowCopy={true}
-        minRows={5}
-        maxRows={10}
-        onClear={handleClear}
-      />
-
-      {/* 图片 URI 类型劫持警告引导区：
-        - 💡 修复点：彻底废除原生亮色硬编码 hover:bg-blue-100 类名，
-        - 完美向全站 shadcn 暗黑生态看齐，采用标准的 bg-primary/10 混合变体。
-      */}
-      {showImageHint && (
-        <div className="flex items-center justify-between p-3.5 rounded-xl bg-primary/10 border border-primary/20">
-          <span className="text-xs font-semibold text-primary tracking-tight">
-            {t('imageDataUriHint')}
-          </span>
-          <Button
-            type="button"
-            variant="ghost"
-            size="sm"
-            onClick={onSwitchToImageMode}
-            className="h-7 rounded-md text-xs font-bold text-primary hover:text-primary hover:bg-primary/20 dark:hover:bg-primary/10 px-2.5"
-          >
-            {t('switchToImageMode')}
-          </Button>
-        </div>
-      )}
-
-      {/* 5. 编码/解码核心数据承载流卡片 */}
-      {output && (
-        <div className="p-4 rounded-2xl bg-card border border-border shadow-sm flex flex-col space-y-3">
-          <div className="flex justify-between items-center select-none">
-            <span className="text-[10px] font-bold uppercase tracking-wider text-muted-foreground/90">
-              {outputLabel}
-            </span>
-            <CopyButton
-              text={output}
-              className="h-6 px-2 rounded-md border text-[10px] font-bold"
-            />
-          </div>
-
-          <TextInputArea
-            readOnly
-            value={output.length > 2000 ? `${output.substring(0, 2000)}...` : output}
-            showClear={false}
-            minRows={4}
-          />
-        </div>
-      )}
-    </div>
-  );
-}

src/pages/Base64Converter/__tests__/DecodeResultPaper.test.tsx

@@ -1,6 +1,6 @@
 import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { fireEvent, render, screen } from '@testing-library/react';
-import DecodeResultPaper from '@/components/DecodeResultPaper';
+import DecodeResultPaper from '../components/DecodeResultPaper';
 
 describe('DecodeResultPaper 组件', () => {
   const defaultProps = {
@@ -27,7 +27,7 @@ describe('DecodeResultPaper 组件', () => {
       expect(screen.getByText(/image\/png/)).toBeInTheDocument();
     });
 
-    it('应通过 formatFileSize 渲染文件大小', () => {
+    it('应通过 formatBytes 渲染文件大小', () => {
       render(<DecodeResultPaper {...{ ...defaultProps, blobSize: 1536 }} />);
       expect(screen.getByText(/1\.5 KB/)).toBeInTheDocument();
     });

src/pages/Base64Converter/__tests__/TextMode.test.tsx

@@ -1,6 +1,6 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { act, fireEvent, render, screen, waitFor } from '@testing-library/react';
-import TextMode from '../TextMode';
+import TextMode from '../components/TextMode';
 
 // Mock CopyButton
 vi.mock('@/components/CopyButton', () => ({
@@ -76,7 +76,7 @@ describe('TextMode', () => {
     });
 
     await waitFor(() => {
-      expect(screen.getByText('Base64 字符串无效')).toBeInTheDocument();
+      expect(screen.getByText('无效的 Base64 字符串')).toBeInTheDocument();
     });
   });
 
@@ -118,7 +118,7 @@ describe('TextMode', () => {
       expect(screen.getByRole('button', { name: 'SGVsbG8=' })).toBeInTheDocument();
     });
 
-    fireEvent.click(screen.getByRole('button', { name: 'textInputArea.clear' }));
+    fireEvent.click(screen.getByRole('button', { name: '清空' }));
 
     await waitFor(() => {
       expect(screen.queryByRole('button', { name: 'SGVsbG8=' })).not.toBeInTheDocument();
@@ -182,9 +182,7 @@ describe('TextMode', () => {
     });
 
     await waitFor(() => {
-      expect(
-        screen.getByText('输入似乎是二进制数据（如图片）。请切换到「图像」选项卡。'),
-      ).toBeInTheDocument();
+      expect(screen.getByText('检测到二进制数据（如图像），请使用图像选项卡')).toBeInTheDocument();
     });
   });
 });

src/pages/Base64Converter/__tests__/index.test.tsx

@@ -12,7 +12,7 @@ vi.mock('@/config/features', async (importOriginal) => {
 });
 
 // Mock 子组件
-vi.mock('../TextMode', () => ({
+vi.mock('../components/TextMode', () => ({
   default: ({ onSwitchToImageMode }: { onSwitchToImageMode?: () => void }) => (
     <div data-testid="text-mode">
       TextMode
@@ -21,7 +21,7 @@ vi.mock('../TextMode', () => ({
   ),
 }));
 
-vi.mock('../Base64ConverterSection', () => ({
+vi.mock('../components/Base64ConverterSection', () => ({
   default: ({ mode }: { mode: string }) => <div data-testid={`${mode}-mode`}>{mode}</div>,
 }));
 

src/pages/Base64Converter/components/Base64ConverterSection.tsx

@@ -1,14 +1,14 @@
 import { Image as ImageIcon, Trash2, Upload } from 'lucide-react';
 import TextInputArea from '@/components/TextInputArea';
-import { useI18n } from '@/utils/chromeI18n';
 import { CopyButton } from '@/components/CopyButton';
-import DecodeResultPaper from '@/components/DecodeResultPaper';
+import DecodeResultPaper from './DecodeResultPaper';
 import { Button } from '@/components/ui/button';
-import { downloadBlob, formatFileSize } from '@/utils/base64Converter';
+import { downloadBlob } from '@/utils/base64Converter';
+import { formatBytes } from '@/utils/format';
 import { useStorageState } from '@/utils/useStorageState';
 import type { Base64ConvertDirection } from '@/types/storage';
 import SwitchButtonGroup from '@/components/SwitchButtonGroup';
-import { useBase64Converter } from './useBase64Converter';
+import { useBase64Converter } from '../useBase64Converter';
 import { cn } from '@/lib/utils';
 
 const isValidDirection = (val: unknown): val is Base64ConvertDirection =>
@@ -19,8 +19,6 @@ interface Base64ConverterSectionProps {
 }
 
 export default function Base64ConverterSection({ mode }: Base64ConverterSectionProps) {
-  const { t } = useI18n('base64Converter');
-
   const [direction, setDirection] = useStorageState(
     `base64Converter/${mode}Mode/direction`,
     'encode',
@@ -62,8 +60,8 @@ export default function Base64ConverterSection({ mode }: Base64ConverterSectionP
         <SwitchButtonGroup
           value={direction}
           options={[
-            { value: 'encode', label: t('encode') },
-            { value: 'decode', label: t('decode') },
+            { value: 'encode', label: '编码' },
+            { value: 'decode', label: '解码' },
           ]}
           onChange={handleDirectionChange}
           size="small"
@@ -122,10 +120,10 @@ export default function Base64ConverterSection({ mode }: Base64ConverterSectionP
                   {info.name}
                 </span>
                 <span className="text-xs text-muted-foreground/80 font-mono tabular-nums">
-                  {formatFileSize(info.size)} · {info.type}
+                  {formatBytes(info.size)} · {info.type}
                 </span>
                 <span className="text-[11px] font-medium text-primary/80 mt-1">
-                  {t('clickOrDropToReplace')}
+                  {'点击或拖拽以替换文件'}
                 </span>
               </div>
             ) : (
@@ -136,14 +134,14 @@ export default function Base64ConverterSection({ mode }: Base64ConverterSectionP
                   <Upload className="w-8 h-8 text-muted-foreground/60" />
                 )}
                 <span className="text-xs font-bold text-foreground/80">
-                  {mode === 'image' ? t('clickOrDropToImage') : t('clickOrDropToFile')}
+                  {mode === 'image' ? '点击或拖拽图像到此处' : '点击或拖拽文件到此处'}
                 </span>
                 <span className="text-[10px] font-medium text-muted-foreground/60">
-                  {t('maxFileSize', { max: maxFileSizeStr })}
+                  {`最大文件大小：${maxFileSizeStr}`}
                 </span>
                 {mode === 'image' && (
                   <span className="text-[10px] font-medium text-muted-foreground/50">
-                    {t('supportedFormats')}
+                    {'支持 PNG、JPG、WEBP、GIF、BMP、SVG 等格式'}
                   </span>
                 )}
               </div>
@@ -160,17 +158,17 @@ export default function Base64ConverterSection({ mode }: Base64ConverterSectionP
             <div className="p-4 rounded-2xl bg-card border border-border shadow-sm flex flex-col space-y-3">
               <div className="flex justify-between items-center select-none">
                 <span className="text-[10px] font-bold uppercase tracking-wider text-muted-foreground/90">
-                  {t('base64Output')}
+                  {'Base64 编码结果'}
                 </span>
                 <div className="flex gap-2">
                   <CopyButton
                     text={result.rawBase64}
-                    tooltip={t('copyRaw')}
+                    tooltip={'复制纯 Base64'}
                     className="h-6 px-2 rounded-md border text-[10px] font-bold"
                   />
                   <CopyButton
                     text={result.output}
-                    tooltip={t('copyDataUri')}
+                    tooltip={'复制 Data URI'}
                     className="h-6 px-2 rounded-md border text-[10px] font-bold"
                   />
                 </div>
@@ -188,16 +186,16 @@ export default function Base64ConverterSection({ mode }: Base64ConverterSectionP
               <div className="flex items-center justify-between font-mono text-[10px] text-muted-foreground/70 select-none pt-1">
                 <div className="flex gap-4 items-center tabular-nums">
                   <span>
-                    {t('originalSize')}:{' '}
+                    {'原始大小'}:{' '}
                     <span className="font-semibold text-foreground/80">
-                      {formatFileSize(result.originalBytes)}
+                      {formatBytes(result.originalBytes)}
                     </span>
                   </span>
                   <span className="text-border/60">|</span>
                   <span>
-                    {t('encodedSize')}:{' '}
+                    {'编码大小'}:{' '}
                     <span className="font-semibold text-foreground/80">
-                      {formatFileSize(result.outputBytes)}
+                      {formatBytes(result.outputBytes)}
                     </span>
                   </span>
                 </div>
@@ -208,7 +206,7 @@ export default function Base64ConverterSection({ mode }: Base64ConverterSectionP
                   className="h-7 rounded-md text-muted-foreground hover:text-destructive text-[11px] gap-1 px-2"
                 >
                   <Trash2 className="w-3.5 h-3.5" />
-                  {t('clear')}
+                  {'清空'}
                 </Button>
               </div>
             </div>
@@ -217,7 +215,7 @@ export default function Base64ConverterSection({ mode }: Base64ConverterSectionP
       ) : (
         <div className="flex flex-col space-y-4">
           <TextInputArea
-            placeholder={t('decodeBase64Placeholder')}
+            placeholder={'输入需要解码的 Base64 或 data URI...'}
             value={decodeInput}
             onChange={setDecodeInput}
             externalError={decodeError || undefined}
@@ -228,7 +226,7 @@ export default function Base64ConverterSection({ mode }: Base64ConverterSectionP
           />
           {decoded && (
             <DecodeResultPaper
-              title={mode === 'image' ? t('decodedImageOutput') : t('decodedFileOutput')}
+              title={mode === 'image' ? '解码图像' : '解码文件'}
               mimeType={decoded.mimeType}
               blobSize={decoded.blob.size}
               fileName={decodedFileName}

src/pages/Base64Converter/components/DecodeResultPaper.tsx

@@ -9,11 +9,12 @@
  */
 import { Download } from 'lucide-react';
 import { Button } from '@/components/ui/button';
-import { formatFileSize } from '@/utils/base64Converter';
-import { useI18n } from '@/utils/chromeI18n';
+import { Input } from '@/components/ui/input';
+import { Label } from '@/components/ui/label';
+import { formatBytes } from '@/utils/format';
 
 interface DecodeResultPaperProps {
-  /** 标题文案，由调用方传入 i18n key 对应的值（如 decodedFileOutput / decodedImageOutput） */
+  /** 标题文案 */
   title: string;
   /** 解码后推断的 MIME 类型 */
   mimeType: string;
@@ -38,8 +39,6 @@ export default function DecodeResultPaper({
   onDownload,
   children,
 }: DecodeResultPaperProps) {
-  const { t } = useI18n('base64Converter');
-
   return (
     <div className="p-4 rounded-xl bg-primary/10 border border-primary/30">
       {/* 标题 */}
@@ -51,24 +50,19 @@ export default function DecodeResultPaper({
       {/* 文件信息 */}
       <div className="flex gap-4 mb-3">
         <span className="text-xs text-muted-foreground">
-          {t('inferredMimeType')}: {mimeType}
+          {'推断的 MIME 类型'}: {mimeType}
         </span>
         <span className="text-xs text-muted-foreground">
-          {t('decodedSize')}: {formatFileSize(blobSize)}
+          {'解码大小'}: {formatBytes(blobSize)}
         </span>
       </div>
 
       {/* 文件名输入 */}
       <div className="mb-3">
-        <label className="block text-xs font-medium text-muted-foreground mb-1">
-          {t('decodedFileName')}
-        </label>
-        <input
-          type="text"
-          value={fileName}
-          onChange={(e) => onFileNameChange(e.target.value)}
-          className="w-full px-3 py-2 text-sm border border-border rounded-lg focus:outline-none focus:ring-2 focus:ring-primary"
-        />
+        <Label className="block text-xs font-medium text-muted-foreground mb-1">
+          {'解码后文件名'}
+        </Label>
+        <Input value={fileName} onChange={(e) => onFileNameChange(e.target.value)} />
       </div>
 
       {/* 下载按钮 */}
@@ -79,7 +73,7 @@ export default function DecodeResultPaper({
         className="w-full rounded-lg font-bold"
       >
         <Download className="mr-2 h-4 w-4" />
-        {t('download')}
+        {'下载'}
       </Button>
     </div>
   );

src/pages/Base64Converter/components/TextMode.tsx

@@ -0,0 +1,90 @@
+import TextInputArea from '@/components/TextInputArea';
+import { CopyButton } from '@/components/CopyButton';
+import SwitchButtonGroup from '@/components/SwitchButtonGroup';
+import { Button } from '@/components/ui/button';
+import { useTextMode } from '../useTextMode';
+
+interface TextModeProps {
+  onSwitchToImageMode?: () => void;
+}
+
+export default function TextMode({ onSwitchToImageMode }: TextModeProps = {}) {
+  const {
+    input,
+    setInput,
+    direction,
+    handleDirectionChange,
+    placeholder,
+    output,
+    outputLabel,
+    error,
+    showImageHint,
+    handleClear,
+  } = useTextMode();
+
+  return (
+    <div className="w-full flex flex-col space-y-4 px-2">
+      <div className="flex h-11 items-center px-1.5 bg-secondary/40 rounded-xl border border-border/60 w-fit">
+        <SwitchButtonGroup
+          value={direction}
+          options={[
+            { value: 'encode', label: '编码' },
+            { value: 'decode', label: '解码' },
+          ]}
+          onChange={handleDirectionChange}
+          size="small"
+        />
+      </div>
+
+      <TextInputArea
+        placeholder={placeholder}
+        value={input}
+        onChange={setInput}
+        externalError={error || undefined}
+        showClear={true}
+        allowCopy={true}
+        minRows={5}
+        maxRows={10}
+        onClear={handleClear}
+      />
+
+      {showImageHint && (
+        <div className="flex items-center justify-between p-3.5 rounded-xl bg-primary/10 border border-primary/20">
+          <span className="text-xs font-semibold text-primary tracking-tight">
+            检测到图片的 data URI，请使用「图像」选项卡进行解码。
+          </span>
+          <Button
+            type="button"
+            variant="ghost"
+            size="sm"
+            onClick={onSwitchToImageMode}
+            className="h-7 rounded-md text-xs font-bold text-primary hover:text-primary hover:bg-primary/20 dark:hover:bg-primary/10 px-2.5"
+          >
+            切换到图像模式
+          </Button>
+        </div>
+      )}
+
+      {output && (
+        <div className="p-4 rounded-2xl bg-card border border-border shadow-sm flex flex-col space-y-3">
+          <div className="flex justify-between items-center select-none">
+            <span className="text-[10px] font-bold uppercase tracking-wider text-muted-foreground/90">
+              {outputLabel}
+            </span>
+            <CopyButton
+              text={output}
+              className="h-6 px-2 rounded-md border text-[10px] font-bold"
+            />
+          </div>
+
+          <TextInputArea
+            readOnly
+            value={output.length > 2000 ? `${output.substring(0, 2000)}...` : output}
+            showClear={false}
+            minRows={4}
+          />
+        </div>
+      )}
+    </div>
+  );
+}

src/pages/Base64Converter/index.tsx

@@ -1,8 +1,7 @@
-import { useI18n } from '@/utils/chromeI18n';
 import { useStorageState } from '@/utils/useStorageState';
 import type { Base64ConverterPageMode } from '@/types/storage';
-import TextMode from './TextMode';
-import Base64ConverterSection from './Base64ConverterSection';
+import TextMode from './components/TextMode';
+import Base64ConverterSection from './components/Base64ConverterSection';
 import SwitchButtonGroup from '@/components/SwitchButtonGroup';
 
 const VALID_PAGE_MODES: readonly Base64ConverterPageMode[] = ['text', 'file', 'image'];
@@ -12,7 +11,6 @@ const isValidPageMode = (val: unknown): val is Base64ConverterPageMode =>
 type PageMode = Base64ConverterPageMode;
 
 export default function Index() {
-  const { t } = useI18n('base64Converter');
   const [pageMode, setPageMode] = useStorageState(
     'base64Converter/pageMode',
     'text',
@@ -24,9 +22,9 @@ export default function Index() {
       <SwitchButtonGroup
         value={pageMode}
         options={[
-          { value: 'text', label: t('base64Converter:textMode') },
-          { value: 'file', label: t('base64Converter:fileMode') },
-          { value: 'image', label: t('base64Converter:imageMode') },
+          { value: 'text', label: '文本' },
+          { value: 'file', label: '文件' },
+          { value: 'image', label: '图像' },
         ]}
         onChange={(value: PageMode) => setPageMode(value)}
         size="small"

src/pages/Base64Converter/useBase64Converter.ts

@@ -1,5 +1,4 @@
 import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
-import { useI18n } from '@/utils/chromeI18n';
 import type { FileToBase64Result } from '@/utils/base64Converter';
 import {
   base64ToBlob,
@@ -21,8 +20,6 @@ interface UseBase64ConverterProps {
 }
 
 export function useBase64Converter({ mode }: UseBase64ConverterProps) {
-  const { t } = useI18n('base64Converter');
-
   const [result, setResult] = useState<FileToBase64Result | null>(null);
   const [info, setInfo] = useState<FileInfo | null>(null);
   const [isLoading, setIsLoading] = useState(false);
@@ -62,7 +59,7 @@ export function useBase64Converter({ mode }: UseBase64ConverterProps) {
       setInfo(null);
 
       if (!isFileSizeValid(file.size)) {
-        setEncodeError(t('fileSizeExceeded', { max: `${MAX_FILE_SIZE / 1024 / 1024} MB` }));
+        setEncodeError(`文件大小超出限制（最大 ${MAX_FILE_SIZE / 1024 / 1024} MB）`);
         return;
       }
 
@@ -71,7 +68,7 @@ export function useBase64Converter({ mode }: UseBase64ConverterProps) {
         !isSupportedImageType(file.type) &&
         !isSupportedImageExtension(file.name)
       ) {
-        setEncodeError(t('unsupportedImageType'));
+        setEncodeError('不支持的图像格式');
         return;
       }
 
@@ -87,13 +84,13 @@ export function useBase64Converter({ mode }: UseBase64ConverterProps) {
         if (!cancelRef.current) setResult(res);
       } catch (e) {
         if (!cancelRef.current) {
-          setEncodeError(e instanceof Error ? e.message : t('conversionFailed'));
+          setEncodeError(e instanceof Error ? e.message : '转换失败');
         }
       } finally {
         if (!cancelRef.current) setIsLoading(false);
       }
     },
-    [mode, t],
+    [mode],
   );
 
   const safeFileSelect = useCallback(
@@ -116,10 +113,10 @@ export function useBase64Converter({ mode }: UseBase64ConverterProps) {
       const message = e instanceof Error ? e.message : '';
       return {
         decoded: null,
-        error: message === 'Invalid Base64 string' ? t('invalidBase64') : t('conversionFailed'),
+        error: message === 'Invalid Base64 string' ? 'Base64 字符串无效' : '转换失败',
       };
     }
-  }, [debouncedDecodeInput, t]);
+  }, [debouncedDecodeInput]);
 
   const decoded = decodePipeline.decoded;
   const decodeError = decodePipeline.error;

src/pages/Base64Converter/useTextMode.ts

@@ -0,0 +1,91 @@
+import { useCallback, useEffect, useMemo, useState } from 'react';
+import { base64ToText, textToBase64 } from '@/utils/base64Converter';
+import { useContextMenuData } from '@/utils/useContextMenuData';
+
+const IMAGE_DATA_URI_PATTERN = /^\s*data:image\//i;
+
+const ERROR_MESSAGE_TO_I18N: Record<string, string> = {
+  'Invalid Base64 string': '无效的 Base64 字符串',
+  'Input appears to be binary data (e.g. an image). Please use the Image tab instead.':
+    '检测到二进制数据（如图像），请使用图像选项卡',
+};
+
+export function useTextMode() {
+  const [input, setInput] = useState('');
+  const [debouncedInput, setDebouncedInput] = useState('');
+  const [direction, setDirection] = useState<'encode' | 'decode'>('encode');
+
+  useEffect(() => {
+    const handle = setTimeout(() => {
+      setDebouncedInput(input);
+    }, 200);
+    return () => clearTimeout(handle);
+  }, [input]);
+
+  const handleContextMenuData = useCallback((payload: string) => {
+    setInput(payload);
+    setDebouncedInput(payload);
+    setDirection('decode');
+  }, []);
+
+  useContextMenuData({ featureKey: 'base64Converter', onData: handleContextMenuData });
+
+  const conversionPipeline = useMemo(() => {
+    const trimmed = debouncedInput.trim();
+    if (!trimmed) return { output: '', error: null };
+
+    try {
+      if (direction === 'encode') {
+        const result = textToBase64(debouncedInput);
+        return { output: result.output, error: null };
+      } else {
+        const decoded = base64ToText(trimmed);
+        return { output: decoded, error: null };
+      }
+    } catch (e) {
+      const message = e instanceof Error ? e.message : '';
+      const i18nKey = ERROR_MESSAGE_TO_I18N[message];
+      return {
+        output: '',
+        error: i18nKey || message || '转换失败',
+      };
+    }
+  }, [debouncedInput, direction]);
+
+  const output = conversionPipeline.output;
+  const error = conversionPipeline.error;
+
+  const placeholder =
+    direction === 'encode' ? '输入需要编码为 Base64 的文本...' : '输入需要解码的 Base64 字符串...';
+  const outputLabel = direction === 'encode' ? 'Base64 编码结果' : '解码文本结果';
+
+  const showImageHint = useMemo(
+    () => direction === 'decode' && IMAGE_DATA_URI_PATTERN.test(input),
+    [direction, input],
+  );
+
+  const handleDirectionChange = (value: 'encode' | 'decode') => {
+    if (value === direction) return;
+    setDirection(value);
+    setInput('');
+    setDebouncedInput('');
+  };
+
+  const handleClear = () => {
+    setInput('');
+    setDebouncedInput('');
+  };
+
+  return {
+    input,
+    setInput,
+    direction,
+    handleDirectionChange,
+    placeholder,
+    output,
+    outputLabel,
+    error,
+    showImageHint,
+    handleClear,
+  };
+}

src/pages/Dashboard/__tests__/dashboardFeatures.test.ts

@@ -0,0 +1,49 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import * as featureConfig from '@/config/features';
+import { resolveDashboardFeatures } from '../dashboardFeatures';
+
+describe('resolveDashboardFeatures', () => {
+  beforeEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('应按 keys 顺序返回可见工具，并排除 dashboard', () => {
+    const items = resolveDashboardFeatures(['jwt', 'timestamp'], ['dashboard', 'timestamp', 'jwt']);
+
+    expect(items.map((item) => item.key)).toEqual(['jwt', 'timestamp']);
+    expect(items.map((item) => item.feature.label)).toEqual(['JWT 解析', '时间戳']);
+  });
+
+  it('缺少 themeColorKey 但有 icon 的工具仍应显示', () => {
+    const originalGetFeatureByKey = featureConfig.getFeatureByKey;
+    vi.spyOn(featureConfig, 'getFeatureByKey').mockImplementation((key) => {
+      const feature = originalGetFeatureByKey(key);
+      if (key === 'timestamp' && feature) {
+        return { ...feature, themeColorKey: undefined };
+      }
+      return feature;
+    });
+
+    const items = resolveDashboardFeatures(['timestamp'], ['dashboard', 'timestamp']);
+
+    expect(items.map((item) => item.key)).toEqual(['timestamp']);
+  });
+
+  it('应过滤不在 visiblePages 中的工具', () => {
+    const items = resolveDashboardFeatures(['jwt', 'timestamp'], ['dashboard', 'timestamp']);
+
+    expect(items.map((item) => item.key)).toEqual(['timestamp']);
+  });
+
+  it('visiblePages 无匹配工具时应返回空列表', () => {
+    const items = resolveDashboardFeatures(['jwt', 'timestamp'], ['dashboard']);
+
+    expect(items).toEqual([]);
+  });
+
+  it('应过滤缺少 icon 的工具', () => {
+    const items = resolveDashboardFeatures(['dashboard', 'timestamp'], ['dashboard', 'timestamp']);
+
+    expect(items.map((item) => item.key)).toEqual(['timestamp']);
+  });
+});

src/pages/Dashboard/__tests__/index.test.tsx

@@ -0,0 +1,100 @@
+import { render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { getFeatureByKey } from '@/config/features';
+import type { DashboardFeatureItem } from '../useDashboard';
+import Index from '../index';
+
+const mockNavigateTo = vi.fn();
+const mockUseDashboard = vi.fn();
+
+vi.mock('../useDashboard', () => ({
+  useDashboard: () => mockUseDashboard(),
+}));
+
+function buildFeatureItem(key: 'timestamp' | 'jwt'): DashboardFeatureItem {
+  const feature = getFeatureByKey(key)!;
+  return {
+    key,
+    feature: feature as DashboardFeatureItem['feature'],
+  };
+}
+
+describe('Dashboard 页面', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    mockUseDashboard.mockReturnValue({
+      visibleFeatures: [buildFeatureItem('timestamp'), buildFeatureItem('jwt')],
+      recentFeatures: [],
+      showRecent: false,
+      navigateTo: mockNavigateTo,
+    });
+  });
+
+  it('应渲染全部工具网格', () => {
+    render(<Index />);
+
+    expect(screen.getByText('全部工具')).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: '时间戳' })).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: 'JWT 解析' })).toBeInTheDocument();
+  });
+
+  it('点击工具卡片应触发 navigateTo', async () => {
+    const user = userEvent.setup();
+    render(<Index />);
+
+    await user.click(screen.getByRole('button', { name: '时间戳' }));
+
+    expect(mockNavigateTo).toHaveBeenCalledTimes(1);
+    expect(mockNavigateTo).toHaveBeenCalledWith('timestamp');
+  });
+
+  it('有最近使用数据时应显示最近使用区块', () => {
+    mockUseDashboard.mockReturnValue({
+      visibleFeatures: [buildFeatureItem('timestamp')],
+      recentFeatures: [buildFeatureItem('jwt')],
+      showRecent: true,
+      navigateTo: mockNavigateTo,
+    });
+
+    render(<Index />);
+
+    expect(screen.getByText('最近使用')).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: 'JWT 解析' })).toBeInTheDocument();
+  });
+
+  it('无最近使用数据时不应显示最近使用区块', () => {
+    render(<Index />);
+
+    expect(screen.queryByText('最近使用')).not.toBeInTheDocument();
+  });
+
+  it('点击最近使用按钮应触发 navigateTo', async () => {
+    const user = userEvent.setup();
+    mockUseDashboard.mockReturnValue({
+      visibleFeatures: [buildFeatureItem('timestamp')],
+      recentFeatures: [buildFeatureItem('jwt')],
+      showRecent: true,
+      navigateTo: mockNavigateTo,
+    });
+
+    render(<Index />);
+
+    await user.click(screen.getByRole('button', { name: 'JWT 解析' }));
+
+    expect(mockNavigateTo).toHaveBeenCalledWith('jwt');
+  });
+
+  it('无可见工具时应显示空状态', () => {
+    mockUseDashboard.mockReturnValue({
+      visibleFeatures: [],
+      recentFeatures: [],
+      showRecent: false,
+      navigateTo: mockNavigateTo,
+    });
+
+    render(<Index />);
+
+    expect(screen.getByText('没有可用的工具')).toBeInTheDocument();
+  });
+});

src/pages/Dashboard/__tests__/useDashboard.test.ts

@@ -0,0 +1,78 @@
+import { renderHook } from '@testing-library/react';
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { useRouter } from '@/providers/RouterProvider';
+import { useDashboard } from '../useDashboard';
+import type { PageType } from '@/types/storage';
+
+vi.mock('@/providers/RouterProvider', () => ({
+  useRouter: vi.fn(),
+}));
+
+const mockNavigateTo = vi.fn();
+
+function mockRouterState(
+  overrides: {
+    visiblePages?: PageType[];
+    pageOrder?: PageType[];
+    recentlyUsedTools?: PageType[];
+  } = {},
+) {
+  vi.mocked(useRouter).mockReturnValue({
+    currentPage: 'dashboard',
+    visiblePages: overrides.visiblePages ?? ['dashboard', 'timestamp', 'jwt'],
+    pageOrder: overrides.pageOrder ?? ['jwt', 'timestamp'],
+    recentlyUsedTools: overrides.recentlyUsedTools ?? [],
+    isLoaded: true,
+    navigateTo: mockNavigateTo,
+    goHome: vi.fn(),
+    setVisiblePages: vi.fn(),
+    setPageOrder: vi.fn(),
+  });
+}
+
+describe('useDashboard', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('应透传 router 中的 navigateTo', () => {
+    mockRouterState();
+
+    const { result } = renderHook(() => useDashboard());
+
+    expect(result.current.navigateTo).toBe(mockNavigateTo);
+  });
+
+  it('recentlyUsedTools 有可见工具时应显示最近使用', () => {
+    mockRouterState({
+      visiblePages: ['dashboard', 'timestamp', 'jwt'],
+      recentlyUsedTools: ['timestamp', 'jwt'],
+    });
+
+    const { result } = renderHook(() => useDashboard());
+
+    expect(result.current.showRecent).toBe(true);
+    expect(result.current.recentFeatures.map((item) => item.key)).toEqual(['timestamp', 'jwt']);
+  });
+
+  it('recentlyUsedTools 为空时不应显示最近使用', () => {
+    mockRouterState({ recentlyUsedTools: [] });
+
+    const { result } = renderHook(() => useDashboard());
+
+    expect(result.current.showRecent).toBe(false);
+    expect(result.current.recentFeatures).toEqual([]);
+  });
+
+  it('最近使用中的不可见工具应被过滤', () => {
+    mockRouterState({
+      visiblePages: ['dashboard', 'timestamp'],
+      recentlyUsedTools: ['jwt', 'timestamp'],
+    });
+
+    const { result } = renderHook(() => useDashboard());
+
+    expect(result.current.showRecent).toBe(true);
+    expect(result.current.recentFeatures.map((item) => item.key)).toEqual(['timestamp']);
+  });
+});

src/pages/Dashboard/dashboardFeatures.ts

@@ -0,0 +1,38 @@
+import { getFeatureByKey, type FeatureConfig } from '@/config/features';
+import type { PageType } from '@/types/storage';
+
+export type DashboardFeature = FeatureConfig & {
+  icon: NonNullable<FeatureConfig['icon']>;
+};
+
+export interface DashboardFeatureItem {
+  key: PageType;
+  feature: DashboardFeature;
+}
+
+function isDashboardFeature(feature: FeatureConfig): feature is DashboardFeature {
+  return feature.icon != null;
+}
+
+/**
+ * 将页面 key 列表解析为 Dashboard 可展示的工具项。
+ * 过滤条件：在 visiblePages 中且 feature 配置了 icon。
+ */
+export function resolveDashboardFeatures(
+  keys: PageType[],
+  visiblePages: PageType[],
+): DashboardFeatureItem[] {
+  const visibleSet = new Set(visiblePages);
+  const items: DashboardFeatureItem[] = [];
+
+  for (const key of keys) {
+    if (!visibleSet.has(key)) continue;
+
+    const feature = getFeatureByKey(key);
+    if (!feature || !isDashboardFeature(feature)) continue;
+
+    items.push({ key, feature });
+  }
+
+  return items;
+}

src/pages/Dashboard/index.tsx

@@ -1,43 +1,24 @@
-import { useRouter } from '@/providers/RouterProvider';
-import { getFeatureByKey } from '@/config/features';
-import type { PageType } from '@/types/storage';
-import { useI18n } from '@/utils/chromeI18n';
 import { cn } from '@/lib/utils';
+import { useDashboard } from './useDashboard';
 
 export default function Index() {
-  const { navigateTo, visiblePages, pageOrder, recentlyUsedTools } = useRouter();
-  const { t } = useI18n(['features']);
-
-  const visibleSet = new Set<string>(visiblePages);
-
-  const visibleFeatures = pageOrder
-    .filter((key) => visibleSet.has(key))
-    .map((key) => ({ key, feature: getFeatureByKey(key) }))
-    .filter((item) => item.feature?.themeColorKey && item.feature.icon != null);
-
-  const recentFeatures = recentlyUsedTools
-    .filter((key) => visibleSet.has(key))
-    .map((key) => ({ key, feature: getFeatureByKey(key) }))
-    .filter((item) => item.feature?.themeColorKey && item.feature.icon != null);
-
-  const showRecent = recentFeatures.length > 0;
+  const { visibleFeatures, recentFeatures, showRecent, navigateTo } = useDashboard();
 
   return (
     <div className={cn('flex flex-col gap-4 p-3.5 w-full h-auto select-none')}>
-      {/* 最近使用 */}
       {showRecent && (
         <div className="flex flex-col gap-2">
           <h3 className="text-xs font-semibold text-muted-foreground/80 uppercase tracking-wider">
-            {t('dashboard_recentlyUsed')}
+            {'最近使用'}
           </h3>
           <div className="flex flex-wrap gap-2">
             {recentFeatures.map(({ key, feature }) => {
-              const IconComponent = feature!.icon!;
+              const IconComponent = feature.icon;
               return (
                 <button
                   key={key}
                   type="button"
-                  onClick={() => navigateTo(key as PageType)}
+                  onClick={() => navigateTo(key)}
                   className={cn(
                     'inline-flex items-center gap-1.5 px-3 py-1.5 rounded-full text-xs font-medium',
                     'border border-border/60 bg-card text-card-foreground',
@@ -46,7 +27,7 @@ export default function Index() {
                   )}
                 >
                   <IconComponent className="h-3.5 w-3.5 text-muted-foreground/70" />
-                  {t(feature!.labelKey)}
+                  {feature.label}
                 </button>
               );
             })}
@@ -54,19 +35,23 @@ export default function Index() {
         </div>
       )}
 
-      {/* 全部工具 — 紧凑 Grid */}
       <div className="flex flex-col gap-2">
         <h3 className="text-xs font-semibold text-muted-foreground/80 uppercase tracking-wider">
-          {t('dashboard_allTools')}
+          {'全部工具'}
         </h3>
-        <div className={cn('grid grid-cols-3 sm:grid-cols-4 md:grid-cols-5 lg:grid-cols-6 gap-2')}>
+        {visibleFeatures.length === 0 ? (
+          <p className="text-sm text-muted-foreground py-4 text-center">{'没有可用的工具'}</p>
+        ) : (
+          <div
+            className={cn('grid grid-cols-3 sm:grid-cols-4 md:grid-cols-5 lg:grid-cols-6 gap-2')}
+          >
             {visibleFeatures.map(({ key, feature }) => {
-            const IconComponent = feature!.icon!;
+              const IconComponent = feature.icon;
               return (
                 <button
                   key={key}
                   type="button"
-                onClick={() => navigateTo(key as PageType)}
+                  onClick={() => navigateTo(key)}
                   className={cn(
                     'group flex flex-col items-center justify-center gap-1.5',
                     'py-3 px-2 rounded-xl border border-border/50 bg-card',
@@ -82,12 +67,13 @@ export default function Index() {
                     )}
                   />
                   <span className="text-[11px] font-medium text-muted-foreground/80 group-hover:text-foreground leading-tight text-center truncate w-full transition-colors">
-                  {t(feature!.labelKey)}
+                    {feature.label}
                   </span>
                 </button>
               );
             })}
           </div>
+        )}
       </div>
     </div>
   );

src/pages/Dashboard/useDashboard.ts

@@ -0,0 +1,31 @@
+import { useMemo } from 'react';
+import { useRouter } from '@/providers/RouterProvider';
+import type { PageType } from '@/types/storage';
+import { resolveDashboardFeatures, type DashboardFeatureItem } from './dashboardFeatures';
+
+export type { DashboardFeatureItem } from './dashboardFeatures';
+
+export interface UseDashboardReturn {
+  visibleFeatures: DashboardFeatureItem[];
+  recentFeatures: DashboardFeatureItem[];
+  showRecent: boolean;
+  navigateTo: (page: PageType) => void;
+}
+
+export function useDashboard(): UseDashboardReturn {
+  const { navigateTo, visiblePages, pageOrder, recentlyUsedTools } = useRouter();
+
+  const visibleFeatures = useMemo(
+    () => resolveDashboardFeatures(pageOrder, visiblePages),
+    [pageOrder, visiblePages],
+  );
+
+  const recentFeatures = useMemo(
+    () => resolveDashboardFeatures(recentlyUsedTools, visiblePages),
+    [recentlyUsedTools, visiblePages],
+  );
+
+  const showRecent = recentFeatures.length > 0;
+
+  return { visibleFeatures, recentFeatures, showRecent, navigateTo };
+}

src/pages/JsonTools/JsonConvertSection.tsx

@@ -1,131 +0,0 @@
-import React, { useEffect, useMemo, useState } from 'react';
-import { useI18n } from '@/utils/chromeI18n';
-import { formatBytes } from '@/utils/format';
-import { CopyButton } from '@/components/CopyButton';
-import TextInputArea from '@/components/TextInputArea';
-import { validateJson } from '@/utils/jsonFormatter';
-import { cn } from '@/lib/utils';
-
-export interface ConvertResult {
-  output: string;
-  originalBytes: number;
-  outputBytes: number;
-}
-
-export type ConvertFunction = (text: string) => ConvertResult;
-
-interface JsonConvertSectionProps extends React.HTMLAttributes<HTMLDivElement> {
-  translationPrefix: string;
-  convertFunction: ConvertFunction;
-}
-
-export default function JsonConvertSection({
-  translationPrefix,
-  convertFunction,
-  className,
-  ...props
-}: JsonConvertSectionProps) {
-  const { t } = useI18n('jsonFormat');
-
-  const [input, setInput] = useState('');
-  const [debouncedInput, setDebouncedInput] = useState('');
-
-  const pk = translationPrefix;
-
-  // Debounce input
-  useEffect(() => {
-    const handle = setTimeout(() => {
-      setDebouncedInput(input);
-    }, 250);
-    return () => clearTimeout(handle);
-  }, [input]);
-
-  const error = useMemo(() => {
-    return validateJson(debouncedInput);
-  }, [debouncedInput]);
-
-  const conversionPipeline = useMemo(() => {
-    const trimmed = debouncedInput.trim();
-    if (!trimmed || error) return null;
-
-    try {
-      return convertFunction(debouncedInput);
-    } catch (e) {
-      // 捕获可能从外部转换器（如 YAML.stringify）中抛出的底层异常
-      return {
-        isRuntimeError: true,
-        errorMessage: e instanceof Error ? e.message : String(e),
-      };
-    }
-  }, [debouncedInput, error, convertFunction]);
-
-  const runtimeError =
-    conversionPipeline && 'isRuntimeError' in conversionPipeline
-      ? conversionPipeline.errorMessage
-      : null;
-  const result =
-    conversionPipeline && !('isRuntimeError' in conversionPipeline)
-      ? (conversionPipeline as ConvertResult)
-      : null;
-
-  return (
-    <div className={cn('w-full flex flex-col gap-4', className)} {...props}>
-      {/* 输入区 */}
-      <TextInputArea
-        placeholder={t(`jsonFormat:${pk}InputPlaceholder`)}
-        value={input}
-        onChange={setInput}
-        externalError={error || runtimeError || undefined}
-        showClear={true}
-        allowCopy={true}
-        minRows={7}
-        maxRows={14}
-        onClear={() => setInput('')}
-      />
-
-      {/* Result display */}
-      {result && result.output ? (
-        <div className="relative rounded-xl border border-border bg-card text-card-foreground shadow-sm overflow-hidden">
-          <div className="flex h-9 items-center justify-between px-4 border-b border-border bg-muted/50 select-none">
-            <div className="flex gap-4 items-center">
-              <span className="text-[10px] font-bold uppercase tracking-wider text-muted-foreground/90">
-                {t(`jsonFormat:${pk}OutputLabel`)}
-              </span>
-
-              <div className="hidden sm:flex gap-3 items-center font-mono text-[10px] text-muted-foreground/70 tabular-nums">
-                <span>
-                  {t('jsonFormat:originalSize')}:{' '}
-                  <span className="font-semibold text-foreground/80">
-                    {formatBytes(result.originalBytes)}
-                  </span>
-                </span>
-                <span className="text-border/60">|</span>
-                <span>
-                  {t('jsonFormat:formattedSize')}:{' '}
-                  <span className="font-semibold text-foreground/80">
-                    {formatBytes(result.outputBytes)}
-                  </span>
-                </span>
-              </div>
-            </div>
-
-            <CopyButton
-              text={result.output}
-              className="h-6 w-6 rounded-md border text-muted-foreground"
-            />
-          </div>
-
-          <div className="p-4 font-mono text-xs text-foreground/90 whitespace-pre-wrap break-all max-h-[380px] overflow-y-auto leading-relaxed select-text">
-            {result.output}
-          </div>
-        </div>
-      ) : (
-        <div className="p-8 rounded-xl bg-muted/30 border border-dashed border-border/80 text-center flex flex-col items-center justify-center min-h-[120px] select-none">
-          <p className="text-xs font-semibold text-muted-foreground/80 tracking-wide max-w-[240px] leading-relaxed">
-            {error ? t('jsonFormat:fixErrorHint') : t(`jsonFormat:${pk}EmptyHint`)}
-          </p>
-        </div>
-      )}
-    </div>
-  );
-}

src/pages/JsonTools/__tests__/index.test.tsx

@@ -0,0 +1,11 @@
+import { render, screen } from '@testing-library/react';
+import { describe, it, expect } from 'vitest';
+import Index from '../index';
+
+describe('JsonTools 页面', () => {
+  it('应该渲染模式切换按钮', () => {
+    render(<Index />);
+    // 基本渲染测试：页面含多个模式切换按钮，应至少渲染一个
+    expect(screen.getAllByRole('button').length).toBeGreaterThan(0);
+  });
+});

src/pages/JsonTools/components/DiffNavigator.tsx

@@ -1,6 +1,5 @@
 import React from 'react';
 import { ChevronLeft, ChevronRight } from 'lucide-react';
-import { useI18n } from '@/utils/chromeI18n';
 import { cn } from '@/lib/utils';
 
 export interface DiffNavigatorProps extends React.HTMLAttributes<HTMLDivElement> {
@@ -19,8 +18,6 @@ export default function DiffNavigator({
   className,
   ...props
 }: DiffNavigatorProps) {
-  const { t } = useI18n('jsonDiff');
-
   const isFirst = currentIndex <= 0;
   const isLast = currentIndex >= total - 1;
 
@@ -33,9 +30,7 @@ export default function DiffNavigator({
         )}
         {...props}
       >
-        <span className="text-xs font-semibold text-muted-foreground/90">
-          {t('jsonDiff:noDiffs')}
-        </span>
+        <span className="text-xs font-semibold text-muted-foreground/90">{'无差异'}</span>
       </div>
     );
   }
@@ -52,7 +47,7 @@ export default function DiffNavigator({
       <button
         type="button"
         disabled={isFirst}
-        aria-label={t('jsonDiff:previousDiff')}
+        aria-label={'上一个'}
         onClick={onPrev}
         className={cn(
           'p-1 rounded-md text-muted-foreground hover:bg-accent hover:text-foreground',
@@ -72,7 +67,7 @@ export default function DiffNavigator({
       <button
         type="button"
         disabled={isLast}
-        aria-label={t('jsonDiff:nextDiff')}
+        aria-label={'下一个'}
         onClick={onNext}
         className={cn(
           'p-1 rounded-md text-muted-foreground hover:bg-accent hover:text-foreground',

src/pages/JsonTools/components/DiffResult.tsx

@@ -1,8 +1,7 @@
 import React from 'react';
-import { useI18n } from '@/utils/chromeI18n';
 import { cn } from '@/lib/utils';
 import JsonTree from './JsonTree';
-import type { DiffNode, DiffResult as DiffResultType, DiffType, ViewMode } from './types';
+import type { DiffNode, DiffResult as DiffResultType, DiffType, ViewMode } from '../types';
 
 export interface DiffResultProps extends React.HTMLAttributes<HTMLDivElement> {
   result: DiffResultType;
@@ -17,8 +16,6 @@ export default function DiffResult({
   className,
   ...props
 }: DiffResultProps) {
-  const { t } = useI18n('jsonDiff');
-
   if (viewMode === 'sideBySide') {
     return (
       <div
@@ -26,11 +23,11 @@ export default function DiffResult({
         {...props}
       >
         <div className="flex-1 min-w-0">
-          <SectionLabel text={t('jsonDiff:leftLabel')} />
+          <SectionLabel text={'原始 JSON'} />
           <JsonTree node={result.root} side="left" activePath={activePath} />
         </div>
         <div className="flex-1 min-w-0">
-          <SectionLabel text={t('jsonDiff:rightLabel')} />
+          <SectionLabel text={'目标 JSON'} />
           <JsonTree node={result.root} side="right" activePath={activePath} />
         </div>
       </div>

src/pages/JsonTools/components/JsonConvertSection.tsx

@@ -0,0 +1,114 @@
+import React, { useEffect, useMemo, useState } from 'react';
+import EmptyPlaceholder from '@/components/EmptyPlaceholder';
+import TextInputArea from '@/components/TextInputArea';
+import JsonResultPanel from './JsonResultPanel';
+import { validateJson } from '@/utils/jsonFormatter';
+import { cn } from '@/lib/utils';
+import type { ConvertFunction, ConvertResult } from '../types';
+
+const CONVERT_LABELS: Record<
+  string,
+  { inputPlaceholder: string; outputLabel: string; emptyHint: string }
+> = {
+  yaml: {
+    inputPlaceholder: '输入需要转换的 JSON...',
+    outputLabel: 'YAML 结果',
+    emptyHint: '输入 JSON 后点击转换',
+  },
+  toml: {
+    inputPlaceholder: '输入需要转换的 JSON...',
+    outputLabel: 'TOML 结果',
+    emptyHint: '输入 JSON 后点击转换',
+  },
+  minify: {
+    inputPlaceholder: '输入需要压缩的 JSON...',
+    outputLabel: '压缩结果',
+    emptyHint: '输入 JSON 后点击压缩',
+  },
+};
+
+interface JsonConvertSectionProps extends React.HTMLAttributes<HTMLDivElement> {
+  translationPrefix: string;
+  convertFunction: ConvertFunction;
+}
+
+export default function JsonConvertSection({
+  translationPrefix,
+  convertFunction,
+  className,
+  ...props
+}: JsonConvertSectionProps) {
+  const [input, setInput] = useState('');
+  const [debouncedInput, setDebouncedInput] = useState('');
+
+  const pk = translationPrefix;
+  const labels = CONVERT_LABELS[pk] || CONVERT_LABELS.yaml;
+
+  // Debounce input
+  useEffect(() => {
+    const handle = setTimeout(() => {
+      setDebouncedInput(input);
+    }, 250);
+    return () => clearTimeout(handle);
+  }, [input]);
+
+  const error = useMemo(() => {
+    return validateJson(debouncedInput);
+  }, [debouncedInput]);
+
+  const conversionPipeline = useMemo(() => {
+    const trimmed = debouncedInput.trim();
+    if (!trimmed || error) return null;
+
+    try {
+      return convertFunction(debouncedInput);
+    } catch (e) {
+      // 捕获可能从外部转换器（如 YAML.stringify）中抛出的底层异常
+      return {
+        isRuntimeError: true,
+        errorMessage: e instanceof Error ? e.message : String(e),
+      };
+    }
+  }, [debouncedInput, error, convertFunction]);
+
+  const runtimeError =
+    conversionPipeline && 'isRuntimeError' in conversionPipeline
+      ? conversionPipeline.errorMessage
+      : null;
+  const result =
+    conversionPipeline && !('isRuntimeError' in conversionPipeline)
+      ? (conversionPipeline as ConvertResult)
+      : null;
+
+  return (
+    <div className={cn('w-full flex flex-col gap-4', className)} {...props}>
+      {/* 输入区 */}
+      <TextInputArea
+        placeholder={labels.inputPlaceholder}
+        value={input}
+        onChange={setInput}
+        externalError={error || runtimeError || undefined}
+        showClear={true}
+        allowCopy={true}
+        minRows={7}
+        maxRows={14}
+        onClear={() => setInput('')}
+      />
+
+      {/* Result display */}
+      {result && result.output ? (
+        <JsonResultPanel
+          title={labels.outputLabel}
+          content={result.output}
+          originalBytes={result.originalBytes}
+          outputBytes={result.outputBytes}
+          maxHeight="380px"
+        />
+      ) : (
+        <EmptyPlaceholder>
+          {error ? '请修正上方 JSON 的语法错误以开启实时流式格式化' : labels.emptyHint}
+        </EmptyPlaceholder>
+      )}
+    </div>
+  );
+}

src/pages/JsonTools/components/JsonFormatSection.tsx

@@ -1,21 +1,18 @@
 import { useEffect, useMemo, useState } from 'react';
-import { useI18n } from '@/utils/chromeI18n';
 import {
   formatJson,
   type JsonFormatOptions,
   type JsonFormatResult,
   validateJson,
 } from '@/utils/jsonFormatter';
-import { formatBytes } from '@/utils/format';
-import { CopyButton } from '@/components/CopyButton';
+import EmptyPlaceholder from '@/components/EmptyPlaceholder';
 import SwitchButtonGroup from '@/components/SwitchButtonGroup';
 import TextInputArea from '@/components/TextInputArea';
+import JsonResultPanel from './JsonResultPanel';
 import { Checkbox } from '@/components/ui/checkbox';
 import { Label } from '@/components/ui/label';
 
 export default function JsonFormatSection() {
-  const { t } = useI18n('jsonFormat');
-
   const [input, setInput] = useState('');
   const [debouncedInput, setDebouncedInput] = useState('');
   const [indentSize, setIndentSize] = useState<number>(2);
@@ -66,7 +63,7 @@ export default function JsonFormatSection() {
           {/* 缩进配置区 */}
           <div className="flex gap-2 items-center shrink-0 select-none">
             <span className="text-[10px] font-bold text-muted-foreground/90 uppercase tracking-wider">
-              {t('jsonFormat:indentSize')}
+              {'缩进'}
             </span>
             <SwitchButtonGroup
               value={indentSize}
@@ -94,7 +91,7 @@ export default function JsonFormatSection() {
               htmlFor="sort-keys-checkbox"
               className="text-xs font-bold text-foreground/80 cursor-pointer tracking-tight group-hover:text-foreground"
             >
-              {t('jsonFormat:sortKeys')}
+              {'键名排序'}
             </Label>
           </div>
         </div>
@@ -102,7 +99,7 @@ export default function JsonFormatSection() {
 
       {/* 满血版输入终端 */}
       <TextInputArea
-        placeholder={t('jsonFormat:inputPlaceholder')}
+        placeholder={'输入需要格式化的 JSON...'}
         value={input}
         onChange={setInput}
         externalError={error || runtimeError || undefined}
@@ -115,48 +112,16 @@ export default function JsonFormatSection() {
 
       {/* 格式化结果流面板展示 */}
       {result && result.formatted ? (
-        <div className="relative rounded-xl border border-border bg-card text-card-foreground shadow-sm overflow-hidden">
-          {/* 结果栏头部 */}
-          <div className="flex h-9 items-center justify-between px-4 border-b border-border bg-muted/50 select-none">
-            <div className="flex gap-4 items-center">
-              <span className="text-[10px] font-bold uppercase tracking-wider text-muted-foreground/90">
-                {t('jsonFormat:outputLabel')}
-              </span>
-
-              <div className="hidden sm:flex gap-3 items-center font-mono text-[10px] text-muted-foreground/70 tabular-nums">
-                <span>
-                  {t('jsonFormat:originalSize')}:{' '}
-                  <span className="font-semibold text-foreground/80">
-                    {formatBytes(result.originalBytes)}
-                  </span>
-                </span>
-                <span className="text-border/60">|</span>
-                <span>
-                  {t('jsonFormat:formattedSize')}:{' '}
-                  <span className="font-semibold text-foreground/80">
-                    {formatBytes(result.formattedBytes)}
-                  </span>
-                </span>
-              </div>
-            </div>
-
-            <CopyButton
-              text={result.formatted}
-              className="h-6 w-6 rounded-md border text-muted-foreground"
+        <JsonResultPanel
+          title="格式化结果"
+          content={result.formatted}
+          originalBytes={result.originalBytes}
+          outputBytes={result.formattedBytes}
         />
-          </div>
-
-          <div className="p-4 font-mono text-xs text-foreground/90 whitespace-pre-wrap break-all max-h-[420px] overflow-y-auto leading-relaxed select-text">
-            {result.formatted}
-          </div>
-        </div>
       ) : (
-        /* 空状态指示引导区 */
-        <div className="p-8 rounded-xl bg-muted/30 border border-dashed border-border/80 text-center flex flex-col items-center justify-center min-h-[120px] select-none">
-          <p className="text-xs font-semibold text-muted-foreground/80 tracking-wide max-w-[240px] leading-relaxed">
-            {error ? t('jsonFormat:fixErrorHint') : t('jsonFormat:emptyHint')}
-          </p>
-        </div>
+        <EmptyPlaceholder>
+          {error ? '请修正上方 JSON 的语法错误以开启实时流式格式化' : '输入 JSON 后点击格式化'}
+        </EmptyPlaceholder>
       )}
     </div>
   );

src/pages/JsonTools/components/JsonResultPanel.tsx

@@ -0,0 +1,53 @@
+import { formatBytes } from '@/utils/format';
+import { CopyButton } from '@/components/CopyButton';
+
+export interface JsonResultPanelProps {
+  title: string;
+  content: string;
+  originalBytes: number;
+  outputBytes: number;
+  outputSizeLabel?: string;
+  maxHeight?: string;
+}
+
+export default function JsonResultPanel({
+  title,
+  content,
+  originalBytes,
+  outputBytes,
+  outputSizeLabel = '格式化后大小',
+  maxHeight = '420px',
+}: JsonResultPanelProps) {
+  return (
+    <div className="relative rounded-xl border border-border bg-card text-card-foreground shadow-sm overflow-hidden">
+      <div className="flex h-9 items-center justify-between px-4 border-b border-border bg-muted/50 select-none">
+        <div className="flex gap-4 items-center">
+          <span className="text-[10px] font-bold uppercase tracking-wider text-muted-foreground/90">
+            {title}
+          </span>
+
+          <div className="hidden sm:flex gap-3 items-center font-mono text-[10px] text-muted-foreground/70 tabular-nums">
+            <span>
+              {'原始大小'}:{' '}
+              <span className="font-semibold text-foreground/80">{formatBytes(originalBytes)}</span>
+            </span>
+            <span className="text-border/60">|</span>
+            <span>
+              {outputSizeLabel}:{' '}
+              <span className="font-semibold text-foreground/80">{formatBytes(outputBytes)}</span>
+            </span>
+          </div>
+        </div>
+
+        <CopyButton text={content} className="h-6 w-6 rounded-md border text-muted-foreground" />
+      </div>
+
+      <div
+        className="p-4 font-mono text-xs text-foreground/90 whitespace-pre-wrap break-all overflow-y-auto leading-relaxed select-text"
+        style={{ maxHeight }}
+      >
+        {content}
+      </div>
+    </div>
+  );
+}

src/pages/JsonTools/components/JsonTree.tsx

@@ -1,6 +1,6 @@
 import React, { useEffect, useMemo, useRef, useState } from 'react';
 import { ChevronDown, ChevronRight } from 'lucide-react'; // 用正统的矢量箭头平替原生的字符 '▾' '▸'
-import type { DiffNode, DiffType } from './types';
+import type { DiffNode, DiffType } from '../types';
 import { cn } from '@/lib/utils';
 
 export type TreeSide = 'left' | 'right';

src/pages/JsonTools/index.tsx

@@ -1,10 +1,10 @@
-import { useI18n } from '@/utils/chromeI18n';
-import JsonDiffInput from './JsonDiffInput';
-import DiffResult from './DiffResult';
-import DiffNavigator from './DiffNavigator';
-import JsonFormatSection from './JsonFormatSection';
-import JsonConvertSection from './JsonConvertSection';
+import JsonDiffInput from './components/JsonDiffInput';
+import DiffResult from './components/DiffResult';
+import DiffNavigator from './components/DiffNavigator';
+import JsonFormatSection from './components/JsonFormatSection';
+import JsonConvertSection from './components/JsonConvertSection';
 import SwitchButtonGroup from '@/components/SwitchButtonGroup';
+import EmptyPlaceholder from '@/components/EmptyPlaceholder';
 import { useJsonTools } from './useJsonTools';
 import type { JsonToolsPageMode } from '@/types/storage';
 import type { ViewMode } from './types';
@@ -12,7 +12,6 @@ import type { ViewMode } from './types';
 type PageMode = JsonToolsPageMode;
 
 export default function Index() {
-  const { t } = useI18n(['jsonDiff', 'jsonFormat']);
   const {
     pageMode,
     setPageMode,
@@ -41,11 +40,11 @@ export default function Index() {
         value={pageMode}
         onChange={(v: PageMode) => setPageMode(v)}
         options={[
-          { value: 'diff', label: t('jsonFormat:diffMode') },
-          { value: 'format', label: t('jsonFormat:formatMode') },
-          { value: 'yaml', label: t('jsonFormat:yamlMode') },
-          { value: 'toml', label: t('jsonFormat:tomlMode') },
-          { value: 'minify', label: t('jsonFormat:minifyMode') },
+          { value: 'diff', label: '差异比较' },
+          { value: 'format', label: '格式化' },
+          { value: 'yaml', label: 'YAML' },
+          { value: 'toml', label: 'TOML' },
+          { value: 'minify', label: '压缩' },
         ]}
         size="small"
         className="w-full sm:w-auto"
@@ -58,8 +57,8 @@ export default function Index() {
               value={viewMode}
               onChange={(v: ViewMode) => setViewMode(v)}
               options={[
-                { value: 'sideBySide', label: t('jsonDiff:sideBySideMode') },
-                { value: 'unified', label: t('jsonDiff:unifiedMode') },
+                { value: 'sideBySide', label: '并排' },
+                { value: 'unified', label: '统一' },
               ]}
               size="small"
             />
@@ -67,16 +66,16 @@ export default function Index() {
 
           <div className="flex flex-col md:flex-row gap-4 w-full items-stretch">
             <JsonDiffInput
-              label={t('jsonDiff:leftLabel')}
-              placeholder={t('jsonDiff:leftPlaceholder')}
+              label={'原始 JSON'}
+              placeholder={'输入原始 JSON...'}
               value={leftInput}
               onChange={setLeftInput}
               error={leftError}
               minRows={9}
             />
             <JsonDiffInput
-              label={t('jsonDiff:rightLabel')}
-              placeholder={t('jsonDiff:rightPlaceholder')}
+              label={'目标 JSON'}
+              placeholder={'输入目标 JSON...'}
               value={rightInput}
               onChange={setRightInput}
               error={rightError}
@@ -97,11 +96,11 @@ export default function Index() {
               <DiffResult result={diffResult} viewMode={viewMode} activePath={activePath} />
             </div>
           ) : (
-            <div className="p-8 rounded-xl bg-muted/30 border border-dashed border-border/80 text-center flex flex-col items-center justify-center min-h-[140px]">
-              <p className="text-xs font-semibold text-muted-foreground/80 tracking-wide max-w-[260px] leading-relaxed">
-                {leftError || rightError ? t('jsonDiff:fixErrorHint') : t('jsonDiff:emptyHint')}
-              </p>
-            </div>
+            <EmptyPlaceholder className="min-h-[140px]" messageClassName="max-w-[260px]">
+              {leftError || rightError
+                ? '请修正上方 JSON 的语法错误以开启实时流式比对'
+                : '输入两侧 JSON 后点击比较'}
+            </EmptyPlaceholder>
           )}
         </div>
       ) : pageMode === 'format' ? (

src/pages/JsonTools/types.ts

@@ -53,3 +53,13 @@ export interface DiffResult {
   /** 差异核心总计数（等价于 diffPaths.length），注入 tabular-nums 配合渲染 */
   diffCount: number;
 }
+
+/** JSON 转换结果 */
+export interface ConvertResult {
+  output: string;
+  originalBytes: number;
+  outputBytes: number;
+}
+
+/** JSON 转换函数类型 */
+export type ConvertFunction = (text: string) => ConvertResult;

src/pages/JsonTools/useJsonTools.ts

@@ -1,14 +1,12 @@
 import { useCallback, useEffect, useMemo, useState } from 'react';
-import { useI18n } from '@/utils/chromeI18n';
 import { useStorageState } from '@/utils/useStorageState';
-import { diffJson } from './diffEngine';
+import { diffJson } from '@/utils/diffEngine';
 import { jsonToYaml } from '@/utils/jsonToYaml';
 import { jsonToToml } from '@/utils/jsonToToml';
 import { minifyJson } from '@/utils/jsonFormatter';
 import { isValidPageMode, tryParse } from './constants';
 import type { JsonToolsPageMode } from '@/types/storage';
-import type { ConvertFunction } from './JsonConvertSection';
-import type { ViewMode } from './types';
+import type { ConvertFunction, ViewMode } from './types';
 
 export interface UseJsonToolsReturn {
   pageMode: JsonToolsPageMode;
@@ -35,7 +33,6 @@ export interface UseJsonToolsReturn {
 }
 
 export function useJsonTools(): UseJsonToolsReturn {
-  const { t } = useI18n(['jsonDiff', 'jsonFormat']);
   const [pageMode, setPageMode] = useStorageState('jsonTools/pageMode', 'diff', isValidPageMode);
 
   // Diff inputs
@@ -55,12 +52,12 @@ export function useJsonTools(): UseJsonToolsReturn {
 
   // Parse debounced inputs
   const parseState = useMemo(() => {
-    const invalidMsg = t('jsonDiff:invalidJson');
+    const invalidMsg = '无效的 JSON 格式';
     return {
       left: tryParse(debouncedLeft, invalidMsg),
       right: tryParse(debouncedRight, invalidMsg),
     };
-  }, [debouncedLeft, debouncedRight, t]);
+  }, [debouncedLeft, debouncedRight]);
 
   const leftError = parseState.left.error;
   const rightError = parseState.right.error;

src/pages/Jwt/JwtSection.tsx

@@ -1,38 +0,0 @@
-import { CopyButton } from '@/components/CopyButton';
-import { useI18n } from '@/utils/chromeI18n';
-import { stringifyJson } from '@/utils/jwt';
-import { cn } from '@/lib/utils';
-
-interface JwtSectionProps {
-  title: string;
-  content: unknown;
-  colorClass: string;
-  bgClass: string;
-  borderClass: string;
-}
-
-export default function JwtSection({
-  title,
-  content,
-  colorClass,
-  bgClass,
-  borderClass,
-}: JwtSectionProps) {
-  const { t } = useI18n('jwt');
-  return (
-    <div className={cn('p-4 rounded-xl border border-solid', bgClass, borderClass)}>
-      <div className="flex justify-between items-center mb-2 select-none">
-        <span className={cn('text-xs font-bold tracking-wider uppercase', colorClass)}>
-          {title}
-        </span>
-        <CopyButton
-          text={JSON.stringify(content)}
-          className="h-6 w-6 rounded-md border text-muted-foreground"
-        />
-      </div>
-      <pre className="m-0 p-3 bg-muted/30 dark:bg-muted/10 rounded-lg text-xs font-mono overflow-x-auto whitespace-pre-wrap break-all border border-border/50 text-foreground/90 leading-relaxed select-text">
-        {content ? stringifyJson(content) : t('jwt:invalidFormat')}
-      </pre>
-    </div>
-  );
-}

src/pages/Jwt/components/JwtCopyBlock.tsx

@@ -0,0 +1,30 @@
+import { CopyButton } from '@/components/CopyButton';
+import { cn } from '@/lib/utils';
+
+interface JwtCopyBlockProps {
+  title: string;
+  copyText: string;
+  titleClassName?: string;
+  containerClassName?: string;
+  children: React.ReactNode;
+}
+
+export default function JwtCopyBlock({
+  title,
+  copyText,
+  titleClassName,
+  containerClassName,
+  children,
+}: JwtCopyBlockProps) {
+  return (
+    <div className={cn('p-4 rounded-xl border shadow-sm', containerClassName)}>
+      <div className="flex justify-between items-center mb-2 select-none">
+        <span className={cn('text-xs font-bold tracking-wider uppercase', titleClassName)}>
+          {title}
+        </span>
+        <CopyButton text={copyText} className="h-6 w-6 rounded-md border text-muted-foreground" />
+      </div>
+      {children}
+    </div>
+  );
+}

src/pages/Jwt/components/JwtResultView.tsx

@@ -0,0 +1,49 @@
+import { stringifyJson } from '@/utils/jwt';
+import type { JwtResult } from '@/utils/jwt';
+import { cn } from '@/lib/utils';
+import {
+  JWT_JSON_CONTENT_CLASS,
+  JWT_SECTION_CONFIG,
+  JWT_SIGNATURE_SECTION,
+  JWT_TEXT_CONTENT_CLASS,
+} from '../constants';
+import JwtCopyBlock from './JwtCopyBlock';
+
+interface JwtResultViewProps {
+  result: JwtResult;
+}
+
+export default function JwtResultView({ result }: JwtResultViewProps) {
+  return (
+    <div className="flex flex-col gap-4">
+      {JWT_SECTION_CONFIG.map(({ contentKey, title, colorClass, bgClass, borderClass }) => {
+        const content = result[contentKey];
+
+        return (
+          <JwtCopyBlock
+            key={contentKey}
+            title={title}
+            copyText={JSON.stringify(content)}
+            titleClassName={colorClass}
+            containerClassName={cn('border-solid', bgClass, borderClass)}
+          >
+            <pre className={JWT_JSON_CONTENT_CLASS}>
+              {content ? stringifyJson(content) : '无法解析'}
+            </pre>
+          </JwtCopyBlock>
+        );
+      })}
+
+      <JwtCopyBlock
+        title={JWT_SIGNATURE_SECTION.title}
+        copyText={result.signature || ''}
+        titleClassName={JWT_SIGNATURE_SECTION.titleClassName}
+        containerClassName={JWT_SIGNATURE_SECTION.containerClassName}
+      >
+        <span className={JWT_TEXT_CONTENT_CLASS}>
+          {result.signature || JWT_SIGNATURE_SECTION.emptyLabel}
+        </span>
+      </JwtCopyBlock>
+    </div>
+  );
+}

src/pages/Jwt/constants.ts

@@ -0,0 +1,41 @@
+export const JWT_INPUT_PLACEHOLDER = '在此粘贴 JWT 令牌 (Encoded JWT)...';
+
+export type JwtSectionContentKey = 'header' | 'payload';
+
+export interface JwtSectionConfig {
+  contentKey: JwtSectionContentKey;
+  title: string;
+  colorClass: string;
+  borderClass: string;
+  bgClass: string;
+}
+
+export const JWT_SECTION_CONFIG: JwtSectionConfig[] = [
+  {
+    contentKey: 'header',
+    title: 'HEADER: 算法 & 令牌类型',
+    colorClass: 'text-[#fb015b] dark:text-rose-400',
+    borderClass: 'border-[#fb015b]/20 dark:border-rose-500/20',
+    bgClass: 'bg-[#fb015b]/5 dark:bg-rose-500/5',
+  },
+  {
+    contentKey: 'payload',
+    title: 'PAYLOAD: 数据',
+    colorClass: 'text-[#a03aff] dark:text-purple-400',
+    borderClass: 'border-[#a03aff]/20 dark:border-purple-500/20',
+    bgClass: 'bg-[#a03aff]/5 dark:bg-purple-500/5',
+  },
+];
+
+export const JWT_SIGNATURE_SECTION = {
+  title: '签名',
+  titleClassName: 'text-muted-foreground/90',
+  containerClassName: 'border border-border bg-secondary/40',
+  emptyLabel: '无签名',
+} as const;
+
+export const JWT_JSON_CONTENT_CLASS =
+  'm-0 p-3 bg-muted/30 dark:bg-muted/10 rounded-lg text-xs font-mono overflow-x-auto whitespace-pre-wrap break-all border border-border/50 text-foreground/90 leading-relaxed select-text';
+
+export const JWT_TEXT_CONTENT_CLASS =
+  'block text-xs font-mono break-all text-foreground/80 bg-muted/30 dark:bg-muted/10 p-3 rounded-lg border border-border/50 leading-relaxed select-text';

src/pages/Jwt/index.tsx

@@ -1,20 +1,17 @@
 import TextInputArea from '@/components/TextInputArea';
-import { CopyButton } from '@/components/CopyButton';
-import JwtSection from './JwtSection';
+import JwtResultView from './components/JwtResultView';
+import { JWT_INPUT_PLACEHOLDER } from './constants';
 import { useJwt } from './useJwt';
-import { useI18n } from '@/utils/chromeI18n';
 
 export default function Index() {
-  const { t } = useI18n(['jwt', 'jsonFormat']);
   const { jwtInput, result, handleChange, handleClear } = useJwt();
 
   return (
-    <div className="p-4 w-full flex flex-col space-y-4 select-none">
-      <div className="flex flex-col gap-4">
+    <div className="p-4 w-full flex flex-col gap-4 select-none">
       <TextInputArea
         minRows={5}
         maxRows={10}
-          placeholder={t('jwt_placeholder')}
+        placeholder={JWT_INPUT_PLACEHOLDER}
         value={jwtInput}
         onChange={handleChange}
         allowCopy={true}
@@ -23,49 +20,7 @@ export default function Index() {
         onClear={handleClear}
       />
 
-        {result && !result.error && (
-          <div className="flex flex-col gap-4">
-            <JwtSection
-              title={t('jwt:headerTitle')}
-              content={result.header}
-              colorClass="text-[#fb015b] dark:text-rose-400"
-              borderClass="border-[#fb015b]/20 dark:border-rose-500/20"
-              bgClass="bg-[#fb015b]/5 dark:bg-rose-500/5"
-            />
-
-            <JwtSection
-              title={t('jwt:payloadTitle')}
-              content={result.payload}
-              colorClass="text-[#a03aff] dark:text-purple-400"
-              borderClass="border-[#a03aff]/20 dark:border-purple-500/20"
-              bgClass="bg-[#a03aff]/5 dark:bg-purple-500/5"
-            />
-
-            <div className="p-4 rounded-xl border border-border bg-secondary/40 shadow-sm">
-              <div className="flex justify-between items-center mb-2">
-                <span className="text-xs font-bold tracking-wider text-muted-foreground/90 uppercase">
-                  {t('jwt:signatureTitle')}
-                </span>
-                <CopyButton
-                  text={result.signature || ''}
-                  className="h-6 w-6 rounded-md border text-muted-foreground"
-                />
-              </div>
-              <span className="block text-xs font-mono break-all text-foreground/80 bg-muted/30 dark:bg-muted/10 p-3 rounded-lg border border-border/50 leading-relaxed select-text">
-                {result.signature || t('jwt:noSignature')}
-              </span>
-            </div>
-          </div>
-        )}
-
-        {result?.error && (
-          <div className="p-6 rounded-xl bg-muted/30 border border-dashed border-border text-center">
-            <p className="text-xs font-semibold text-muted-foreground/80">
-              {t('jsonFormat:invalidJson')}
-            </p>
-          </div>
-        )}
-      </div>
+      {result && !result.error && <JwtResultView result={result} />}
     </div>
   );
 }

src/pages/QrCode/__tests__/ImageUploader.test.tsx

@@ -1,6 +1,6 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { act, fireEvent, render, screen } from '@testing-library/react';
-import ImageUploader from '@/components/ImageUploader';
+import ImageUploader from '../components/ImageUploader';
 
 // 配置多端一致性常驻桩（WXT 规范）
 const storageOnChangedMock = { addListener: vi.fn(), removeListener: vi.fn() };
@@ -23,7 +23,6 @@ vi.mock('sonner', () => ({
 describe('ImageUploader 组件', () => {
   const mockOnFileChange = vi.fn();
   const mockOnClearFile = vi.fn();
-  const mockOnPreviewUrlChange = vi.fn();
   const mockOnDraggingChange = vi.fn();
 
   const defaultProps = {
@@ -31,7 +30,6 @@ describe('ImageUploader 组件', () => {
     onFileChange: mockOnFileChange,
     onClearFile: mockOnClearFile,
     previewUrl: '',
-    onPreviewUrlChange: mockOnPreviewUrlChange,
     dragging: false,
     onDraggingChange: mockOnDraggingChange,
   };
@@ -95,7 +93,7 @@ describe('ImageUploader 组件', () => {
   });
 
   describe('文件选择交互', () => {
-    it('选择文件时应调用 onFileChange 和 onPreviewUrlChange', async () => {
+    it('选择文件时应调用 onFileChange', async () => {
       render(<ImageUploader {...defaultProps} />);
       const input = document.getElementById('qr-code-upload') as HTMLInputElement;
       const mockFile = new File(['test'], 'test.png', { type: 'image/png' });
@@ -105,8 +103,7 @@ describe('ImageUploader 组件', () => {
       });
 
       expect(mockOnFileChange).toHaveBeenCalledWith(mockFile);
-      expect(mockCreateObjectURL).toHaveBeenCalledWith(mockFile);
-      expect(mockOnPreviewUrlChange).toHaveBeenCalledWith('blob:test-url');
+      expect(mockOnFileChange).toHaveBeenCalledTimes(1);
     });
   });
 
@@ -127,7 +124,7 @@ describe('ImageUploader 组件', () => {
       expect(mockOnDraggingChange).toHaveBeenCalledWith(false);
     });
 
-    it('放置文件时应调用 onFileChange 和 onPreviewUrlChange', () => {
+    it('放置文件时应调用 onFileChange', () => {
       const { container } = render(<ImageUploader {...defaultProps} />);
       const dropzone = container.firstChild as HTMLElement;
       const mockFile = new File(['test'], 'test.png', { type: 'image/png' });
@@ -146,6 +143,7 @@ describe('ImageUploader 组件', () => {
 
       expect(mockOnDraggingChange).toHaveBeenCalledWith(false);
       expect(mockOnFileChange).toHaveBeenCalledWith(mockFile);
+      expect(mockOnFileChange).toHaveBeenCalledTimes(1);
     });
   });
 
@@ -165,20 +163,12 @@ describe('ImageUploader 组件', () => {
   });
 
   describe('粘贴功能', () => {
-    it('监听粘贴事件', () => {
+    it('不应注册 document 粘贴事件监听（由 ParsePanel 统一处理）', () => {
       const addEventListenerSpy = vi.spyOn(document, 'addEventListener');
       render(<ImageUploader {...defaultProps} />);
 
-      expect(addEventListenerSpy).toHaveBeenCalledWith('paste', expect.any(Function));
-    });
-
-    it('组件卸载时应移除粘贴事件监听', () => {
-      const removeEventListenerSpy = vi.spyOn(document, 'removeEventListener');
-      const { unmount } = render(<ImageUploader {...defaultProps} />);
-
-      unmount();
-
-      expect(removeEventListenerSpy).toHaveBeenCalledWith('paste', expect.any(Function));
+      const pasteListeners = addEventListenerSpy.mock.calls.filter(([event]) => event === 'paste');
+      expect(pasteListeners).toHaveLength(0);
     });
   });
 

src/pages/QrCode/__tests__/ParsePanel.test.tsx

@@ -0,0 +1,151 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import { act, render, screen } from '@testing-library/react';
+import { toast } from 'sonner';
+import ParsePanel from '../components/ParsePanel';
+import type { QrCodeParserState } from '../types';
+
+const mockHandleFileChange = vi.fn();
+const mockHandleClearFile = vi.fn();
+const mockSetParserState = vi.fn();
+
+let mockParserState: QrCodeParserState = {
+  selectedFile: null,
+  previewUrl: '',
+  dragging: false,
+  decodedResult: '',
+  parsing: false,
+  parseError: '',
+};
+
+vi.mock('sonner', () => ({
+  toast: {
+    success: vi.fn(),
+    error: vi.fn(),
+  },
+}));
+
+vi.mock('../contexts/QrCodeContext', () => ({
+  useQrCodeContext: () => ({
+    parserState: mockParserState,
+    setParserState: mockSetParserState,
+    handleFileChange: mockHandleFileChange,
+    handleClearFile: mockHandleClearFile,
+  }),
+}));
+
+function createImagePasteEvent(file: File) {
+  const pasteEvent = new Event('paste', { bubbles: true }) as ClipboardEvent;
+  Object.defineProperty(pasteEvent, 'clipboardData', {
+    value: {
+      items: [
+        {
+          type: file.type,
+          getAsFile: () => file,
+        },
+      ],
+      getData: () => '',
+    },
+  });
+  Object.defineProperty(pasteEvent, 'preventDefault', { value: vi.fn() });
+  return pasteEvent;
+}
+
+function createBase64PasteEvent(dataUrl: string) {
+  const pasteEvent = new Event('paste', { bubbles: true }) as ClipboardEvent;
+  Object.defineProperty(pasteEvent, 'clipboardData', {
+    value: {
+      items: [],
+      getData: (type: string) => (type === 'text/plain' ? dataUrl : ''),
+    },
+  });
+  Object.defineProperty(pasteEvent, 'preventDefault', { value: vi.fn() });
+  return pasteEvent;
+}
+
+describe('ParsePanel 组件', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    mockParserState = {
+      selectedFile: null,
+      previewUrl: '',
+      dragging: false,
+      decodedResult: '',
+      parsing: false,
+      parseError: '',
+    };
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('粘贴功能', () => {
+    it('粘贴图片时应只处理一次', async () => {
+      render(<ParsePanel />);
+      const mockFile = new File(['img'], 'paste.png', { type: 'image/png' });
+
+      await act(async () => {
+        document.dispatchEvent(createImagePasteEvent(mockFile));
+      });
+
+      expect(mockHandleFileChange).toHaveBeenCalledTimes(1);
+      expect(mockHandleFileChange).toHaveBeenCalledWith(mockFile);
+      expect(toast.success).toHaveBeenCalledTimes(1);
+      expect(toast.success).toHaveBeenCalledWith('图片粘贴成功，正在解析...');
+    });
+
+    it('与 ImageUploader 同时挂载时 document 上只应有一个 paste 监听', () => {
+      const addEventListenerSpy = vi.spyOn(document, 'addEventListener');
+      render(<ParsePanel />);
+
+      const pasteListeners = addEventListenerSpy.mock.calls.filter(([event]) => event === 'paste');
+      expect(pasteListeners).toHaveLength(1);
+    });
+
+    it('粘贴 Base64 data URI 时应转换为文件并只处理一次', async () => {
+      const dataUrl = 'data:image/png;base64,abcd';
+      const mockBlob = new Blob(['img'], { type: 'image/png' });
+      vi.stubGlobal(
+        'fetch',
+        vi.fn().mockResolvedValue({
+          blob: () => Promise.resolve(mockBlob),
+        }),
+      );
+
+      render(<ParsePanel />);
+
+      await act(async () => {
+        document.dispatchEvent(createBase64PasteEvent(dataUrl));
+      });
+
+      expect(fetch).toHaveBeenCalledWith(dataUrl);
+      expect(mockHandleFileChange).toHaveBeenCalledTimes(1);
+      expect(mockHandleFileChange).toHaveBeenCalledWith(
+        expect.objectContaining({ name: 'pasted-image.png', type: 'image/png' }),
+      );
+      expect(toast.success).toHaveBeenCalledTimes(1);
+    });
+
+    it('已上传图片时粘贴仍应只处理一次', async () => {
+      mockParserState = {
+        selectedFile: new File(['existing'], 'existing.png', { type: 'image/png' }),
+        previewUrl: 'blob:existing',
+        dragging: false,
+        decodedResult: 'decoded-text',
+        parsing: false,
+        parseError: '',
+      };
+
+      render(<ParsePanel />);
+      expect(screen.getByText('已上传图片')).toBeInTheDocument();
+
+      const mockFile = new File(['new'], 'new.png', { type: 'image/png' });
+      await act(async () => {
+        document.dispatchEvent(createImagePasteEvent(mockFile));
+      });
+
+      expect(mockHandleFileChange).toHaveBeenCalledTimes(1);
+      expect(mockHandleFileChange).toHaveBeenCalledWith(mockFile);
+    });
+  });
+});

src/pages/QrCode/__tests__/QrCodePreview.test.tsx

@@ -1,6 +1,6 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { fireEvent, render, screen } from '@testing-library/react';
-import QrCodePreview from '@/components/QrCodePreview';
+import QrCodePreview from '../components/QrCodePreview';
 
 describe('QrCodePreview 组件', () => {
   const mockOnDownload = vi.fn();

src/pages/QrCode/__tests__/index.test.tsx

@@ -26,11 +26,11 @@ vi.mock('@/config/features', async (importOriginal) => {
   };
 });
 
-vi.mock('@/components/QrCodePreview', () => ({
+vi.mock('../components/QrCodePreview', () => ({
   default: () => <div data-testid="qr-code-preview">QrCodePreview</div>,
 }));
 
-vi.mock('@/components/ImageUploader', () => ({
+vi.mock('../components/ImageUploader', () => ({
   default: () => <div data-testid="image-uploader">ImageUploader</div>,
 }));
 

src/pages/QrCode/components/GeneratePanel.tsx

@@ -1,7 +1,6 @@
 import { Loader2, Pencil, QrCode } from 'lucide-react';
 import TextInputArea from '@/components/TextInputArea';
-import QrCodePreview from '@/components/QrCodePreview';
-import { useI18n } from '@/utils/chromeI18n';
+import QrCodePreview from './QrCodePreview';
 import { useQrCodeContext } from '../contexts/QrCodeContext';
 import { Button } from '@/components/ui/button';
 import { Label } from '@/components/ui/label';
@@ -11,7 +10,6 @@ import { cn } from '@/lib/utils';
 const TEXT_PREVIEW_MAX_LENGTH = 80;
 
 export default function GeneratePanel() {
-  const { t } = useI18n('qrCode');
   const {
     generatorState,
     setTextToEncode,
@@ -42,13 +40,13 @@ export default function GeneratePanel() {
         >
           <div className="flex flex-col space-y-2.5">
             <Label className="text-[10px] font-bold text-muted-foreground/90 uppercase tracking-wider select-none pl-0.5">
-              {t('qrCode:urlInputLabel')}
+              {'输入 URL 或文本'}
             </Label>
 
             <TextInputArea
               value={generatorState.textToEncode}
               onChange={setTextToEncode}
-              placeholder={t('qrCode:urlInputPlaceholder')}
+              placeholder={'请输入 URL 或文本内容，将自动生成二维码'}
               showCount={true}
               showClear={true}
               allowCopy={false}
@@ -66,12 +64,12 @@ export default function GeneratePanel() {
               {generatorState.generating ? (
                 <>
                   <Loader2 className="w-4 h-4 mr-2 animate-spin" />
-                  {t('qrCode:generating')}
+                  {'生成中...'}
                 </>
               ) : (
                 <>
                   <QrCode className="w-4 h-4 mr-2" />
-                  {t('qrCode:generateButton')}
+                  {'生成二维码'}
                 </>
               )}
             </Button>
@@ -88,11 +86,11 @@ export default function GeneratePanel() {
       <div className="border border-border rounded-xl bg-card text-card-foreground shadow-sm p-3 mb-3">
         <div className="flex items-center justify-between mb-1.5">
           <Label className="text-[10px] font-bold text-muted-foreground/90 uppercase tracking-wider select-none pl-0.5">
-            {t('qrCode:textPreviewLabel')}
+            {'原始文本'}
           </Label>
           <Button variant="ghost" size="sm" onClick={backToEdit} className="h-6 px-2 text-xs">
             <Pencil className="w-3 h-3 mr-1" />
-            {t('qrCode:editButton')}
+            {'编辑'}
           </Button>
         </div>
         <div

src/pages/QrCode/components/ImageUploader.tsx

@@ -1,7 +1,8 @@
-import { useCallback, useEffect, useRef } from 'react';
+import { useCallback, useRef } from 'react';
 import { Image, X } from 'lucide-react';
 import { toast } from 'sonner';
-import { useI18n } from '@/utils/chromeI18n';
+import { Button } from '@/components/ui/button';
+import { Label } from '@/components/ui/label';
 
 interface ImageUploaderProps {
   /** 选中的文件 */
@@ -12,8 +13,6 @@ interface ImageUploaderProps {
   onClearFile: () => void;
   /** 文件预览 URL */
   previewUrl: string;
-  /** 预览 URL 变更回调 */
-  onPreviewUrlChange: (url: string) => void;
   /** 是否正在拖拽 */
   dragging: boolean;
   /** 拖拽状态变更回调 */
@@ -25,19 +24,16 @@ const ImageUploader = ({
   onFileChange,
   onClearFile,
   previewUrl,
-  onPreviewUrlChange,
   dragging,
   onDraggingChange,
 }: ImageUploaderProps) => {
-  const { t } = useI18n('qrCode');
   const fileInputRef = useRef<HTMLInputElement>(null);
 
   const handleFileChange = useCallback(
     (file: File) => {
       onFileChange(file);
-      onPreviewUrlChange(URL.createObjectURL(file));
     },
-    [onFileChange, onPreviewUrlChange],
+    [onFileChange],
   );
 
   const handleClearFile = useCallback(() => {
@@ -45,8 +41,8 @@ const ImageUploader = ({
       URL.revokeObjectURL(previewUrl);
     }
     onClearFile();
-    toast.success(t('qrCode:imageCleared'));
-  }, [previewUrl, onClearFile, t]);
+    toast.success('图片已清除');
+  }, [previewUrl, onClearFile]);
 
   const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     if (e.target.files && e.target.files.length > 0) {
@@ -72,38 +68,6 @@ const ImageUploader = ({
     }
   };
 
-  // 监听粘贴事件
-  useEffect(() => {
-    const handlePaste = async (e: ClipboardEvent) => {
-      const items = e.clipboardData?.items;
-      if (!items) return;
-
-      for (let i = 0; i < items.length; i++) {
-        if (items[i].type.startsWith('image/')) {
-          e.preventDefault();
-
-          const file = items[i].getAsFile();
-          if (file) {
-            try {
-              handleFileChange(file);
-              toast.success(t('qrCode:imagePasted'));
-            } catch (error) {
-              console.error('处理粘贴图片失败:', error);
-              toast.error(t('qrCode:imagePasteError'));
-            }
-          }
-          break;
-        }
-      }
-    };
-
-    document.addEventListener('paste', handlePaste);
-
-    return () => {
-      document.removeEventListener('paste', handlePaste);
-    };
-  }, [handleFileChange, t]);
-
   return (
     <div
       className={`flex flex-col items-center justify-center h-[250px] border-2 border-dashed rounded-xl p-4 cursor-pointer transition-all duration-200 ${
@@ -111,7 +75,7 @@ const ImageUploader = ({
           ? 'border-green-600 bg-green-50'
           : selectedFile
             ? 'border-green-600 bg-green-50/50'
-            : 'border-input bg-muted hover:border-green-600 hover:bg-green-500/10/50'
+            : 'border-input bg-muted hover:border-green-600 hover:bg-green-500/10'
       }`}
       onDragOver={handleDragOver}
       onDragLeave={handleDragLeave}
@@ -125,7 +89,7 @@ const ImageUploader = ({
         className="hidden"
         id="qr-code-upload"
       />
-      <label htmlFor="qr-code-upload" className="cursor-pointer text-center w-full">
+      <Label htmlFor="qr-code-upload" className="cursor-pointer text-center w-full">
         {selectedFile ? (
           <div className="text-center w-full relative">
             <div className="relative inline-block">
@@ -134,20 +98,22 @@ const ImageUploader = ({
                 alt="QR Code Preview"
                 className="max-w-full max-h-40 rounded-lg object-contain"
               />
-              <button
+              <Button
                 type="button"
+                variant="destructive"
+                size="icon"
                 data-testid="ClearIcon"
                 onClick={(e) => {
                   e.stopPropagation();
                   handleClearFile();
                 }}
-                className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 text-white rounded-full flex items-center justify-center hover:bg-red-600 transition-colors"
+                className="absolute -top-2 -right-2 h-6 w-6 rounded-full"
               >
                 <X className="w-3 h-3" />
-              </button>
+              </Button>
             </div>
             <span className="block text-sm text-muted-foreground mt-2">{selectedFile.name}</span>
-            <span className="block text-xs text-muted-foreground">{t('qrCode:clickToChange')}</span>
+            <span className="block text-xs text-muted-foreground">{'点击更换图片'}</span>
           </div>
         ) : (
           <>
@@ -156,14 +122,14 @@ const ImageUploader = ({
               className="w-12 h-12 text-muted-foreground mx-auto mb-2"
             />
             <span className="block text-sm text-muted-foreground mb-1">
-              {t('qrCode:clickToUpload')}
+              {'点击、拖拽或粘贴上传二维码图片'}
             </span>
             <span className="block text-xs text-muted-foreground">
-              {t('qrCode:supportFormats')}
+              {'支持 PNG、JPG、WEBP、Base64 格式'}
             </span>
           </>
         )}
-      </label>
+      </Label>
     </div>
   );
 };

src/pages/QrCode/components/ParsePanel.tsx

@@ -2,15 +2,13 @@ import { useCallback, useEffect } from 'react';
 import { RefreshCw } from 'lucide-react';
 import { toast } from 'sonner';
 import TextInputArea from '@/components/TextInputArea';
-import ImageUploader from '@/components/ImageUploader';
-import { useI18n } from '@/utils/chromeI18n';
+import ImageUploader from './ImageUploader';
 import { useQrCodeContext } from '../contexts/QrCodeContext';
 import { Button } from '@/components/ui/button';
 import { Label } from '@/components/ui/label';
 import { cn } from '@/lib/utils';
 
 export default function ParsePanel() {
-  const { t } = useI18n('qrCode');
   const { parserState, setParserState, handleFileChange, handleClearFile } = useQrCodeContext();
 
   const hasFile = parserState.selectedFile !== null;
@@ -27,7 +25,7 @@ export default function ParsePanel() {
           const file = items[i].getAsFile();
           if (file) {
             handleFileChange(file);
-            toast.success(t('qrCode:imagePasted'));
+            toast.success('图片粘贴成功，正在解析...');
           }
           return;
         }
@@ -41,14 +39,14 @@ export default function ParsePanel() {
           const blob = await response.blob();
           const file = new File([blob], 'pasted-image.png', { type: blob.type });
           handleFileChange(file);
-          toast.success(t('qrCode:imagePasted'));
+          toast.success('图片粘贴成功，正在解析...');
         } catch (error) {
           console.error('处理 Base64 图片失败:', error);
-          toast.error(t('qrCode:imagePasteError'));
+          toast.error('粘贴图片失败，请重试');
         }
       }
     },
-    [handleFileChange, t],
+    [handleFileChange],
   );
 
   useEffect(() => {
@@ -67,7 +65,6 @@ export default function ParsePanel() {
           onFileChange={handleFileChange}
           onClearFile={handleClearFile}
           previewUrl={parserState.previewUrl}
-          onPreviewUrlChange={(url) => setParserState((prev) => ({ ...prev, previewUrl: url }))}
           dragging={parserState.dragging}
           onDraggingChange={(dragging) => setParserState((prev) => ({ ...prev, dragging }))}
         />
@@ -82,11 +79,11 @@ export default function ParsePanel() {
       <div className="border border-border rounded-xl bg-card text-card-foreground shadow-sm p-3 mb-3">
         <div className="flex items-center justify-between mb-1.5">
           <Label className="text-[10px] font-bold text-muted-foreground/90 uppercase tracking-wider select-none pl-0.5">
-            {t('qrCode:uploadedImage')}
+            {'已上传图片'}
           </Label>
           <Button variant="ghost" size="sm" onClick={handleClearFile} className="h-6 px-2 text-xs">
             <RefreshCw className="w-3 h-3 mr-1" />
-            {t('qrCode:reuploadButton')}
+            {'重新上传'}
           </Button>
         </div>
         <div className="flex items-center gap-3 bg-muted/50 rounded-md p-2">
@@ -98,7 +95,7 @@ export default function ParsePanel() {
           <div className="flex-1 min-w-0">
             <p className="text-sm text-foreground truncate">{parserState.selectedFile?.name}</p>
             {parserState.parsing && (
-              <p className="text-xs text-primary animate-pulse mt-1">{t('qrCode:parsing')}</p>
+              <p className="text-xs text-primary animate-pulse mt-1">{'解析中...'}</p>
             )}
           </div>
         </div>
@@ -113,7 +110,7 @@ export default function ParsePanel() {
       >
         <div className="flex flex-col space-y-2.5">
           <Label className="text-[10px] font-bold text-muted-foreground/90 uppercase tracking-wider pl-0.5">
-            {t('qrCode:resultLabel')}
+            {'解析结果'}
           </Label>
 
           <TextInputArea
@@ -121,7 +118,7 @@ export default function ParsePanel() {
             readOnly={true}
             showClear={false}
             allowCopy={true}
-            placeholder={parserState.parsing ? '' : t('qrCode:resultPlaceholder')}
+            placeholder={parserState.parsing ? '' : '解析结果将显示在此处'}
             minRows={4}
             maxRows={8}
             externalError={parserState.parseError || undefined}

src/pages/QrCode/components/QrCodePreview.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import { Copy, Download } from 'lucide-react';
-import { useI18n } from '@/utils/chromeI18n';
+import EmptyPlaceholder from '@/components/EmptyPlaceholder';
 import { cn } from '@/lib/utils';
 import { Button } from '@/components/ui/button';
 
@@ -24,22 +24,16 @@ const QrCodePreview = ({
   className,
   ...props
 }: QrCodePreviewProps) => {
-  const { t } = useI18n('qrCode');
-
   // 空状态下的虚线骨架屏
   if (!qrCodeDataUrl) {
     return (
-      <div
-        className={cn(
-          'flex flex-col justify-center items-center min-h-[200px] border border-dashed border-input rounded-xl p-4 bg-muted/40',
-          className,
-        )}
+      <EmptyPlaceholder
+        className={cn('min-h-[200px] p-4', className)}
+        messageClassName="text-sm text-muted-foreground max-w-none"
         {...props}
       >
-        <p className="text-sm text-muted-foreground text-center">
-          {placeholderText || t('qrCode:qrCodeWillShow')}
-        </p>
-      </div>
+        {placeholderText || '二维码将显示在这里'}
+      </EmptyPlaceholder>
     );
   }
 
@@ -68,12 +62,12 @@ const QrCodePreview = ({
         <div className="flex w-full gap-2 mt-3">
           <Button variant="outline" size="sm" onClick={onDownload} className="flex-1 h-8">
             <Download className="w-3.5 h-3.5 text-muted-foreground" />
-            <span className="truncate text-xs">{t('qrCode:downloadButton')}</span>
+            <span className="truncate text-xs">{'下载二维码'}</span>
           </Button>
 
           <Button variant="default" size="sm" onClick={onCopy} className="flex-1 h-8">
             <Copy className="w-3.5 h-3.5" />
-            <span className="truncate text-xs">{t('qrCode:copyQrButton')}</span>
+            <span className="truncate text-xs">{'复制二维码'}</span>
           </Button>
         </div>
       </div>