refactor: 将前端从 uni-app x 重构为 Flutter

变更内容:
- 删除 uni-app x 项目 (app/ 目录)
- 新增 Flutter 项目 (flutter_monisuo/ 目录)
- 新增部署脚本 (deploy/ 目录)

Flutter 项目功能:
- 用户登录/注册
- 首页资产概览
- 行情币种列表
- 交易买卖操作
- 资产账户管理
- 充值/提现/划转
- 深色主题
- JWT Token 认证

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

flutter_monisuo/lib/core/constants/api_endpoints.dart

@@ -0,0 +1,80 @@
+/// API 端点配置
+class ApiEndpoints {
+  ApiEndpoints._();
+
+  /// 基础URL
+  static const String baseUrl = 'http://8.155.172.147:5010';
+
+  // ==================== 用户模块 ====================
+
+  /// 用户登录
+  static const String login = '/api/user/login';
+
+  /// 用户注册
+  static const String register = '/api/user/register';
+
+  /// 获取用户信息
+  static const String userInfo = '/api/user/info';
+
+  /// 上传KYC资料
+  static const String kyc = '/api/user/kyc';
+
+  /// 退出登录
+  static const String logout = '/api/user/logout';
+
+  // ==================== 行情模块 ====================
+
+  /// 获取币种列表
+  static const String coinList = '/api/market/list';
+
+  /// 获取币种详情
+  static const String coinDetail = '/api/market/detail';
+
+  /// 搜索币种
+  static const String coinSearch = '/api/market/search';
+
+  // ==================== 交易模块 ====================
+
+  /// 买入
+  static const String buy = '/api/trade/buy';
+
+  /// 卖出
+  static const String sell = '/api/trade/sell';
+
+  /// 获取交易记录
+  static const String tradeOrders = '/api/trade/orders';
+
+  /// 获取订单详情
+  static const String tradeOrderDetail = '/api/trade/order/detail';
+
+  // ==================== 资产模块 ====================
+
+  /// 获取资产总览
+  static const String assetOverview = '/api/asset/overview';
+
+  /// 获取资金账户
+  static const String fundAccount = '/api/asset/fund';
+
+  /// 获取交易账户
+  static const String tradeAccount = '/api/asset/trade';
+
+  /// 资金划转
+  static const String transfer = '/api/asset/transfer';
+
+  /// 获取资金流水
+  static const String assetFlow = '/api/asset/flow';
+
+  // ==================== 充提模块 ====================
+
+  /// 申请充值
+  static const String deposit = '/api/fund/deposit';
+
+  /// 申请提现
+  static const String withdraw = '/api/fund/withdraw';
+
+  /// 取消订单
+  static const String cancelOrder = '/api/fund/cancel';
+
+  /// 获取充提记录
+  static const String fundOrders = '/api/fund/orders';
+}

flutter_monisuo/lib/core/constants/app_colors.dart

@@ -0,0 +1,62 @@
+import 'package:flutter/material.dart';
+
+/// 应用颜色常量
+class AppColors {
+  AppColors._();
+
+  // 主题色
+  static const Color primary = Color(0xFF00D4AA);
+  static const Color primaryLight = Color(0xFF00E6B8);
+  static const Color primaryDark = Color(0xFF00B894);
+
+  // 状态色
+  static const Color success = Color(0xFF00C853);
+  static const Color warning = Color(0xFFFF9800);
+  static const Color error = Color(0xFFFF5252);
+  static const Color info = Color(0xFF2196F3);
+
+  // 涨跌色
+  static const Color up = Color(0xFF00C853);
+  static const Color down = Color(0xFFFF5252);
+
+  // 深色主题背景
+  static const Color background = Color(0xFF1A1A2E);
+  static const Color cardBackground = Color(0xFF16213E);
+  static const Color scaffoldBackground = Color(0xFF1A1A2E);
+
+  // 文字颜色
+  static const Color textPrimary = Colors.white;
+  static const Color textSecondary = Color(0x99FFFFFF);
+  static const Color textHint = Color(0x4DFFFFFF);
+  static const Color textDisabled = Color(0x33FFFFFF);
+
+  // 边框和分割线
+  static const Color border = Color(0x1AFFFFFF);
+  static const Color divider = Color(0x1AFFFFFF);
+
+  // 输入框
+  static const Color inputBackground = Color(0xFF16213E);
+  static const Color inputBorder = Color(0x33FFFFFF);
+  static const Color inputFocusBorder = Color(0xFF00D4AA);
+
+  // 按钮渐变
+  static const LinearGradient primaryGradient = LinearGradient(
+    colors: [primary, primaryDark],
+    begin: Alignment.topLeft,
+    end: Alignment.bottomRight,
+  );
+
+  // 买入按钮渐变
+  static const LinearGradient buyGradient = LinearGradient(
+    colors: [Color(0xFF00C853), Color(0xFF00A844)],
+    begin: Alignment.topLeft,
+    end: Alignment.bottomRight,
+  );
+
+  // 卖出按钮渐变
+  static const LinearGradient sellGradient = LinearGradient(
+    colors: [Color(0xFFFF5252), Color(0xFFD32F2F)],
+    begin: Alignment.topLeft,
+    end: Alignment.bottomRight,
+  );
+}