refactor: 重构项目基础架构与实体体系

- 替换原有自定义生命周期接口为通用基础服务体系
- 将所有实体基类替换为带雪花ID的SqlSugarBaseEntity
- 迁移DTO到Models项目并统一管理
- 移除冗余的Repository层实现，改用通用基础服务
- 添加Yitter.IdGenerator雪花ID生成支持
- 重构SqlSugar数据库上下文与依赖注入配置
- 新增微信用户、用户勋章、背包等实体与配套服务
- 整理分页查询与结果封装类
- 优化WebApi控制器结构

QYZH.InteractiveMagazine.Models/Entity/SqlSugarBaseEntity.cs

@@ -0,0 +1,63 @@
+using SqlSugar;
+using Yitter.IdGenerator;
+
+namespace QYZH.InteractiveMagazine.Models.Entity
+{
+    public class SqlSugarBaseEntity
+    {
+
+        /// <summary>
+        /// Desc:主键
+        /// Default:
+        /// Nullable:False
+        /// </summary>           
+        public long Id { get; set; } = YitIdHelper.NextId();
+        /// <summary>
+        /// Desc:状态 0禁用 1启用
+        /// Default:1
+        /// Nullable:False
+        /// </summary>           
+        [SugarColumn(ColumnName = "Status")]
+        public string Status { get; set; }
+
+        /// <summary>
+        /// Desc:是否删除
+        /// Default:b'0'
+        /// Nullable:False
+        /// </summary>           
+        [SugarColumn(ColumnName = "IsDeleted")]
+        public bool IsDeleted { get; set; } = false;
+
+        /// <summary>
+        /// Desc:创建人
+        /// Default:
+        /// Nullable:False
+        /// </summary>           
+        [SugarColumn(ColumnName = "CreatedBy", IsOnlyIgnoreUpdate = true)]
+        public string CreatedBy { get; set; }
+
+        /// <summary>
+        /// Desc:创建时间
+        /// Default:
+        /// Nullable:False
+        /// </summary>           
+        [SugarColumn(ColumnName = "CreatedAt", IsOnlyIgnoreUpdate = true)]
+        public DateTime CreatedAt { get; set; }
+
+        /// <summary>
+        /// Desc:修改人
+        /// Default:
+        /// Nullable:True
+        /// </summary>           
+        [SugarColumn(ColumnName = "updatedBy", IsOnlyIgnoreInsert = true)]
+        public string UpdatedBy { get; set; }
+
+        /// <summary>
+        /// Desc:修改时间
+        /// Default:
+        /// Nullable:True
+        /// </summary>           
+        [SugarColumn(ColumnName = "UpdatedAt", IsOnlyIgnoreInsert = true)]
+        public DateTime? UpdatedAt { get; set; }
+    }
+}