refactor: 重构用户与商品模块，统一业务模型与服务

1.  新增用户状态枚举UserStatusEnum，统一用户状态定义
2.  重构用户体系：合并WxUser与User实体为Users实体，统一用户管理
3.  新增微信小程序认证相关服务与控制器，实现一键登录功能
4.  新增商品管理完整服务与控制器，修复商品表字段映射问题
5.  删除冗余的WxUser相关服务与控制器代码
6.  新增Newtonsoft.Json依赖用于微信接口响应解析
7.  清理无用的文件夹引用配置

QYZH.InteractiveMagazine.Service/UsersService.cs

@@ -0,0 +1,59 @@
+using Microsoft.Extensions.Logging;
+using QYZH.InteractiveMagazine.IService;
+using QYZH.InteractiveMagazine.IService.Dto;
+using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
+using QYZH.InteractiveMagazine.Models.Entity;
+using QYZH.InteractiveMagazine.Repository;
+using SqlSugar;
+
+namespace QYZH.InteractiveMagazine.Service;
+
+public class UsersService(BaseRepository<Users> usersRepository, ILogger<UsersService> _logger) : BaseRepository<Users>, IUsersService
+{
+    /// <summary>
+    /// 分页查询用户列表
+    /// </summary>
+    public async Task<BaseResponse<PageListModel<UsersOutput>>> GetListAsync(UsersQueryInput input)
+    {
+        var page = Queryable()
+            .WhereIF(!string.IsNullOrEmpty(input.WxUserId), u => u.OpenId == input.WxUserId)
+            .OrderBy(u => u.Id, OrderByType.Desc)
+            .ToPage<Users, UsersOutput>(input);
+
+        return BaseResponse<PageListModel<UsersOutput>>.Success(page);
+    }
+
+    /// <summary>
+    /// 获取用户详情
+    /// </summary>
+    public async Task<BaseResponse<UsersOutput>> GetDetailAsync(long id)
+    {
+        var user = await GetByIdAsync<UsersOutput>(u => u.Id == id);
+        if (user == null)
+        {
+            return BaseResponse<UsersOutput>.Fail("用户不存在");
+        }
+        return BaseResponse<UsersOutput>.Success(user);
+    }
+
+    /// <summary>
+    /// 更新用户状态
+    /// </summary>
+    public async Task<BaseResponse> UpdateStatusAsync(long id, UpdateUserStatusInput input)
+    {
+        var exists = await Queryable().AnyAsync(u => u.Id == id);
+        if (!exists)
+        {
+            return BaseResponse.Fail("用户不存在");
+        }
+
+        var statusValue = input.Status == 1 ? "Active" : "Disabled";
+        var result = await UpdateAsync(
+            u => new Users { Status = statusValue },
+            u => u.Id == id
+        );
+
+        return result ? BaseResponse.Success() : BaseResponse.Fail("更新失败");
+    }
+}