style(frontend): 统一 Views 模块代码风格

- 移除语句末尾分号，规范代码格式
- 优化组件结构和类型定义
- 改进视图文档和示例
- 提升代码一致性

frontend/src/views/auth/index.ts

@@ -3,5 +3,5 @@
  * Export all authentication-related views
  */
 
-export { default as LoginView } from './LoginView.vue';
-export { default as RegisterView } from './RegisterView.vue';
+export { default as LoginView } from './LoginView.vue'
+export { default as RegisterView } from './RegisterView.vue'