feat: 添加测试框架和优化项目结构

- 添加 Jest 配置和测试设置
- 添加 use-categories hook 的单元测试
- 更新 CLAUDE.md 添加包管理工具说明
- 优化首页、视频页和频道页的组件结构
- 添加 .claude 命令配置文件
- 移除 bun.lock 和 package-lock.json，统一使用 bun
- 更新 package.json 依赖

Co-Authored-By: Claude <noreply@anthropic.com>

jest.setup.js

@@ -0,0 +1,84 @@
+import '@testing-library/jest-native/extend-expect'
+
+// Mock react-native modules
+jest.mock('react-native/Libraries/Animated/NativeAnimatedHelper')
+
+// Mock expo modules
+jest.mock('expo-constants', () => ({
+  default: {},
+}))
+
+jest.mock('expo-linking', () => ({
+  createURL: (url) => url,
+  parse: (url) => ({ path: url }),
+}))
+
+jest.mock('expo-secure-store', () => ({
+  getItemAsync: jest.fn(),
+  setItemAsync: jest.fn(),
+  deleteItemAsync: jest.fn(),
+}))
+
+jest.mock('expo-font', () => ({
+  useFonts: () => [true, null],
+}))
+
+jest.mock('expo-splash-screen', () => ({
+  preventAutoHideAsync: jest.fn(),
+  hideAsync: jest.fn(),
+}))
+
+// Mock react-native-reanimated
+jest.mock('react-native-reanimated', () => {
+  const Reanimated = require('react-native-reanimated/mock')
+  Reanimated.default.call = () => {}
+  return Reanimated
+})
+
+// Mock nativewind
+jest.mock('nativewind', () => ({
+  styled: jest.fn(),
+}))
+
+// Mock @react-navigation/native
+jest.mock('@react-navigation/native', () => ({
+  useNavigation: () => ({
+    navigate: jest.fn(),
+    goBack: jest.fn(),
+    reset: jest.fn(),
+  }),
+  useRoute: () => ({
+    params: {},
+  }),
+  NavigationContainer: ({ children }) => children,
+}))
+
+// Mock expo-router
+jest.mock('expo-router', () => ({
+  useRouter: () => ({
+    push: jest.fn(),
+    replace: jest.fn(),
+    back: jest.fn(),
+  }),
+  useSegments: () => [],
+  usePathname: () => '/',
+}))
+
+// Global mock for console methods to reduce noise in tests
+global.console = {
+  ...console,
+  error: jest.fn(),
+  warn: jest.fn(),
+  log: jest.fn(),
+}
+
+// Mock @repo/core and @repo/sdk
+jest.mock('@repo/core', () => ({
+  root: {
+    get: jest.fn(),
+  },
+}))
+
+jest.mock('@repo/sdk', () => ({
+  CategoryController: class MockCategoryController {},
+}))