refactor: clean up unused code and simplify imports

- Remove unused imports and variables across 35 files
- Simplify component logic and remove dead code
- Clean up test files by removing unnecessary setup
- Streamline CI workflow configuration

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/components/RouterContainer.tsx

@@ -4,35 +4,32 @@ import { Suspense, useMemo } from 'react';
 import { useI18n } from '@/utils/chromeI18n';
 import PageErrorBoundary from '@/components/PageErrorBoundary';
 import PageSkeleton from '@/components/PageSkeleton';
-import { cn } from '@/lib/utils'; // 1. 引入标准的 shadcn 工具函数
-import { AlertTriangle } from 'lucide-react'; // 用于标准的 404 异常展示
+import { cn } from '@/lib/utils';
+import { AlertTriangle } from 'lucide-react';
 
 export default function RouterContainer() {
   const { currentPage, isLoaded } = useRouter();
   const { t } = useI18n('common');
 
-  // 2. 稳定的动态动画类名映射
   const animationClass = useMemo(() => {
     return currentPage === 'dashboard' ? 'page-transition-dashboard' : 'page-transition-enter';
   }, [currentPage]);
 
   const entryPointType = getEntryPointType();
 
-  // 骨架屏加载状态守卫
   if (!isLoaded) {
     return <PageSkeleton variant={currentPage === 'dashboard' ? 'dashboard' : 'tool'} />;
   }
 
-  // 3. 严格的路由查找与类型安全的组件分发
   const currentFeature = FEATURES.find((f) => f.key === currentPage);
   const MatchedComponent = currentFeature?.components?.[entryPointType];
 
   return (
     <div
-      key={currentPage} // 保持原有通过重新挂载触发动画的精简特性
+      key={currentPage}
       className={cn(
         'flex-1 flex flex-col overflow-x-hidden overflow-y-auto',
-        'scrollbar-gutter-stable motion-reduce:transition-none', // 当系统开启“减弱动态效果”时，自动优雅降级，防止眩晕
+        'scrollbar-gutter-stable motion-reduce:transition-none',
         animationClass,
       )}
     >
@@ -40,11 +37,6 @@ export default function RouterContainer() {
         fallback={<PageSkeleton variant={currentPage === 'dashboard' ? 'dashboard' : 'tool'} />}
       >
         <PageErrorBoundary resetKey={currentPage}>
-          {/*
-            4. 路由防御拦截：
-            如果组件存在则正常流式渲染，如果由于版本更迭或非法路径导致找不到对应组件，
-            渲染一个优雅且符合 shadcn 风格的中性 404 提示页，而不是死白屏。
-          */}
           {MatchedComponent ? (
             <MatchedComponent />
           ) : (

src/components/SwitchButtonGroup.tsx

@@ -1,12 +1,11 @@
 import React from 'react';
-import { cn } from '@/lib/utils'; // 1. 引入标准的 shadcn 工具函数
+import { cn } from '@/lib/utils';
 
 export interface SwitchOption<T extends string | number = string> {
   value: T;
   label: React.ReactNode;
 }
 
-// 2. 移除内联 sx，继承标准 HTML 属性，并使用标准的类名注入机制
 export interface SwitchButtonGroupProps<T extends string | number = string> extends Omit<
   React.HTMLAttributes<HTMLDivElement>,
   'onChange'
@@ -15,7 +14,7 @@ export interface SwitchButtonGroupProps<T extends string | number = string> exte
   options: SwitchOption<T>[];
   onChange: (value: T) => void;
   size?: 'small' | 'medium' | 'large';
-  buttonClassName?: string; // 替换原有的 buttonSx
+  buttonClassName?: string;
 }
 
 export default function SwitchButtonGroup<T extends string | number = string>({
@@ -27,7 +26,6 @@ export default function SwitchButtonGroup<T extends string | number = string>({
   buttonClassName,
   ...props
 }: SwitchButtonGroupProps<T>) {
-  // 3. 将尺寸和高度、内边距等整体对齐，保证按钮和背景容器成比例缩放
   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',

src/components/TextInputArea.tsx

@@ -121,10 +121,8 @@ const TextInputArea = forwardRef<HTMLTextAreaElement, TextInputAreaProps>((props
   const value = isControlled ? controlledValue : internalValue;
   const displayError = externalError ?? error;
 
-  // 双向合并 ref 指针
   useImperativeHandle(ref, () => internalRef.current as HTMLTextAreaElement);
 
-  // 1. 高性能的动态高度自适应计算
   const adjustHeight = useCallback(() => {
     const textArea = internalRef.current;
     if (!textArea) return;
@@ -132,14 +130,13 @@ const TextInputArea = forwardRef<HTMLTextAreaElement, TextInputAreaProps>((props
     // 重置高度计算
     textArea.style.height = 'auto';
 
-    const computedMin = minRows * 24; // 每行粗略按 24px 计算
+    const computedMin = minRows * 24;
     const computedMax = maxRows * 24;
     const nextHeight = Math.max(textArea.scrollHeight, computedMin);
 
     textArea.style.height = `${Math.min(nextHeight, computedMax)}px`;
   }, [minRows, maxRows]);
 
-  // 当数值改变时自适应扩展
   React.useEffect(() => {
     adjustHeight();
   }, [value, adjustHeight]);

src/components/TopBar.tsx

@@ -16,9 +16,8 @@ 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'; // 1. 引入 shadcn 核心工具函数
+import { cn } from '@/lib/utils';
 
-// 常量配置抽取（无需写在全局变量或 styles 对象里）
 const SEARCH_HISTORY_LIMIT = 10;
 const SEARCH_HISTORY_DISPLAY = 5;
 
@@ -40,7 +39,6 @@ export default function TopBar({ onOpenOptions }: { onOpenOptions: () => void })
     window.close();
   };
 
-  // 2. 健壮的 Click Outside 逻辑：点击空白处收起搜索框
   useEffect(() => {
     const handleClickOutside = (event: MouseEvent) => {
       if (containerRef.current && !containerRef.current.contains(event.target as Node)) {
@@ -51,7 +49,6 @@ export default function TopBar({ onOpenOptions }: { onOpenOptions: () => void })
     return () => document.removeEventListener('mousedown', handleClickOutside);
   }, []);
 
-  // 从 Chrome Storage 异步初始化历史记录
   useEffect(() => {
     storageUtil
       .get('app/searchHistory', [])
@@ -61,7 +58,6 @@ export default function TopBar({ onOpenOptions }: { onOpenOptions: () => void })
       .catch((err) => console.error('加载搜索历史失败:', err));
   }, []);
 
-  // 3. 模糊搜索匹配（移除了无意义的 dashboard 干扰项）
   const searchResults = useMemo(() => {
     const query = searchQuery.trim().toLowerCase();
     if (!query) return [];
@@ -79,7 +75,6 @@ export default function TopBar({ onOpenOptions }: { onOpenOptions: () => void })
     return searchHistory.slice(0, SEARCH_HISTORY_DISPLAY);
   }, [searchHistory, searchQuery]);
 
-  // 新增/持久化历史记录
   const saveToHistory = async (query: string) => {
     if (!query.trim()) return;
     const nextHistory = [query, ...searchHistory.filter((h) => h !== query)].slice(
@@ -104,7 +99,6 @@ export default function TopBar({ onOpenOptions }: { onOpenOptions: () => void })
 
   const ThemeIcon = mode === 'light' ? Sun : mode === 'dark' ? Moon : Monitor;
 
-  // 4. 健壮的键盘导航交互
   const handleKeyDown = (e: React.KeyboardEvent) => {
     const totalItems = searchQuery.trim() ? searchResults.length : displayedHistory.length;
 

src/components/__tests__/ImageUploader.test.tsx

@@ -13,7 +13,6 @@ const mockRevokeObjectURL = vi.fn();
 Object.defineProperty(window.URL, 'createObjectURL', { value: mockCreateObjectURL });
 Object.defineProperty(window.URL, 'revokeObjectURL', { value: mockRevokeObjectURL });
 
-// 模拟 showMessage
 vi.mock('@/components/GlobalSnackbar', () => ({
   useSnackbar: () => ({
     showMessage: vi.fn(),
@@ -49,7 +48,6 @@ describe('ImageUploader 组件', () => {
   describe('渲染测试', () => {
     it('当没有选中文件时应显示上传提示', () => {
       render(<ImageUploader {...defaultProps} />);
-      // 💡 修复点 2：全面切换为高弹性正则，斩断双重命名空间死锁！
       expect(screen.getByText(/点击.*拖拽/)).toBeInTheDocument();
       expect(screen.getByText(/格式/)).toBeInTheDocument();
     });
@@ -65,7 +63,6 @@ describe('ImageUploader 组件', () => {
         <ImageUploader {...defaultProps} selectedFile={mockFile} previewUrl="blob:test-url" />,
       );
       expect(screen.getByText('test.png')).toBeInTheDocument();
-      // 💡 修复点 3（自愈第 62 行崩溃位置）：利用正则模糊命中，彻底通过！
       expect(screen.getByText(/点击更换/)).toBeInTheDocument();
     });
 

src/components/__tests__/QrCodePreview.test.tsx

@@ -18,7 +18,6 @@ describe('QrCodePreview 组件', () => {
   describe('渲染测试', () => {
     it('当 qrCodeDataUrl 为空时应显示占位文本', () => {
       render(<QrCodePreview qrCodeDataUrl="" onDownload={mockOnDownload} onCopy={mockOnCopy} />);
-      // 💡 修复点 2：全面拥抱柔性正则匹配，直接终结多层 'qrCode:qrCode:' 前缀踩踏！
       expect(screen.getByText(/二维码将显示/)).toBeInTheDocument();
     });
 
@@ -44,7 +43,6 @@ describe('QrCodePreview 组件', () => {
           onCopy={mockOnCopy}
         />,
       );
-      // 💡 修复点 3：切换为正则，无缝过检
       expect(screen.getByText(/下载二维码/)).toBeInTheDocument();
     });
 

src/components/__tests__/StorageCleanerConfirm.test.tsx

@@ -4,7 +4,6 @@ import { StorageCleanerConfirm } from '@/pages/StorageCleaner/StorageCleanerConf
 import type { StorageCleanerOptions } from '@/types/storage';
 import React from 'react';
 
-// 💡 1. 核心超进化（WXT 规范）：将全局多端 browser 桩进行全量注入与防干涉净化
 const storageOnChangedMock = { addListener: vi.fn(), removeListener: vi.fn() };
 (globalThis as any).chrome = { storage: { onChanged: storageOnChangedMock } };
 (globalThis as any).browser = { storage: { onChanged: storageOnChangedMock } };
@@ -41,8 +40,6 @@ describe('StorageCleanerConfirm 组件', () => {
   describe('渲染测试', () => {
     it('open 为 true 时应渲染对话框', () => {
       renderComponent();
-      // 💡 修复点 3：拥抱模糊正则断言。
-      // 彻底终结由于 i18n 桩引起的 'storageCleaner:storageCleaner:' 双重前缀硬编码堆叠，100% 自愈放行！
       expect(screen.getByRole('heading', { name: /确认清理/ })).toBeInTheDocument();
     });
 
@@ -60,7 +57,6 @@ describe('StorageCleanerConfirm 组件', () => {
 
     it('应显示取消和确认按钮', () => {
       renderComponent();
-      // 💡 修复点 4：按钮的 Accessible Name 匹配同步切回高弹性正则模式，抵抗一切国际化双前缀污染
       expect(screen.getByRole('button', { name: /取消/ })).toBeInTheDocument();
       expect(screen.getByRole('button', { name: /确认清理/ })).toBeInTheDocument();
     });

src/components/__tests__/SwitchButtonGroup.test.tsx

@@ -21,9 +21,7 @@ describe('SwitchButtonGroup 组件', () => {
     const buttonA = screen.getByRole('button', { name: /选项A/i });
     const buttonB = screen.getByRole('button', { name: /选项B/i });
 
-    // 选中的按钮有 bg-background text-foreground shadow-sm 类
     expect(buttonA).toHaveClass('bg-background', 'text-foreground', 'shadow-sm');
-    // 未选中的按钮有 hover:bg-background/50 类
     expect(buttonB).toHaveClass('hover:bg-background/50');
   });
 
@@ -41,7 +39,6 @@ describe('SwitchButtonGroup 组件', () => {
     render(<SwitchButtonGroup value="a" options={options} onChange={handleChange} />);
 
     fireEvent.click(screen.getByRole('button', { name: /选项A/i }));
-    // 新组件每次点击都会触发 onChange
     expect(handleChange).toHaveBeenCalledWith('a');
   });
 

src/components/__tests__/TextInputArea.test.tsx

@@ -353,7 +353,6 @@ describe('TextInputArea 组件', () => {
 
     it('readOnly 时输入框应只读', () => {
       render(<TextInputArea value="内容" onChange={() => {}} readOnly />);
-      // MUI TextField 的 readOnly 通过 inputProps 设置，textarea 不会被禁用
       expect(screen.getByRole('textbox')).not.toBeDisabled();
     });
   });

src/components/__tests__/TopBar.test.tsx

@@ -6,7 +6,6 @@ import TopBar from '@/components/TopBar';
 import { RouterProvider } from '@/providers/RouterProvider';
 import { ThemeModeProvider } from '@/providers/ThemeModeProvider';
 
-// matchMedia must be mocked before ThemeModeProvider is imported
 Object.defineProperty(window, 'matchMedia', {
   writable: true,
   value: vi.fn().mockImplementation((query: string) => ({