feat: initialize new React application structure with TypeScript, ESLint, and Prettier configurations, while removing legacy files and adding new components and pages for enhanced functionality

src/types/common.ts

@@ -0,0 +1,39 @@
+/**
+ * 通用类型定义
+ */
+
+export type Theme = 'light' | 'dark';
+
+export type Language = 'zh-CN' | 'en';
+
+export type NotificationType = 'info' | 'success' | 'warning' | 'error';
+
+export interface Notification {
+  id: string;
+  message: string;
+  type: NotificationType;
+  duration?: number;
+}
+
+export interface ApiResponse<T = any> {
+  data?: T;
+  error?: string;
+  message?: string;
+}
+
+export interface PaginationState {
+  currentPage: number;
+  pageSize: number;
+  totalPages: number;
+  totalItems?: number;
+}
+
+export interface LoadingState {
+  isLoading: boolean;
+  error: Error | null;
+}
+
+// 泛型异步状态
+export interface AsyncState<T> extends LoadingState {
+  data: T | null;
+}