Initial project setup with Next.js accounts manager

- Set up Next.js project structure
- Added UI components and styling
- Configured package dependencies
- Added feature documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

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

lib/types.ts

@@ -0,0 +1,101 @@
+// 业务状态码
+export enum BusinessCode {
+  Success = 0,
+  NoResource = 1001,
+  InvalidParams = 2001,
+  ResourceConflict = 3001,
+  PermissionDenied = 4001,
+  BusinessError = 5001,
+}
+
+// 通用响应格式
+export interface ApiResponse<T> {
+  code: BusinessCode;
+  message: string;
+  data: T | null;
+}
+
+// 账户类型
+export interface Account {
+  id: number;
+  ownerId: string;
+  platform: string;
+  customId: string;
+  data: string;
+  status: string;
+  notes?: string;
+  lockedAt?: Date | null;
+  createdAt: Date;
+  updatedAt: Date;
+}
+
+// 分页结果
+export interface PaginationResult {
+  page: number;
+  pageSize: number;
+  total: number;
+  totalPages: number;
+}
+
+// 脚本获取响应
+export type ScriptAcquireResponse = Pick<Account, 'id' | 'customId' | 'data'>[];
+
+// 脚本上传项
+export interface ScriptUploadItem {
+  platform: string;
+  customId: string;
+  data: string;
+  status?: string;
+}
+
+// 账户列表筛选条件
+export interface ListAccountsFilters {
+  platform?: string;
+  status?: string[];
+  ownerId?: string;
+  search?: string;
+}
+
+// 账户列表请求体
+export interface ListAccountsBody {
+  filters: ListAccountsFilters;
+  pagination: {
+    page: number;
+    pageSize: number;
+  };
+  sort: {
+    field: keyof Account;
+    order: 'asc' | 'desc';
+  };
+}
+
+// 账户列表响应
+export interface ListAccountsResponse {
+  list: Account[];
+  pagination: PaginationResult;
+}
+
+// 批量删除请求体
+export interface BatchDeleteBody {
+  ids: number[];
+}
+
+// 批量更新请求体
+export interface BatchUpdateBody {
+  ids: number[];
+  payload: Partial<Pick<Account, 'status' | 'ownerId' | 'notes' | 'platform'>>;
+}
+
+// 统计概览
+export interface StatsOverview {
+  totalAccounts: number;
+  platformSummary: Record<string, number>;
+  ownerSummary: Record<string, number>;
+  statusSummary: Record<string, number>;
+  detailedBreakdown: {
+    platform: string;
+    ownerId: string;
+    status: string;
+    count: number;
+  }[];
+}