feat: 初始化后台管理模块与基础业务框架

1.  新增依赖注入生命周期标记接口、基础仓储与管理员仓储实现
2.  新增管理员认证与用户服务接口，补充认证相关DTO
3.  重构实体审计字段命名，统一Created/UpdatedAt规范
4.  新增大量业务实体类与API版本枚举配置
5.  集成Autofac依赖注入、JWT自动刷新与跨域配置
6.  替换原有微信小程序与旧认证服务为后台管理系统架构
7.  完善Swagger文档配置与项目基础部署配置

QYZH.InteractiveMagazine.Models/Entity/CommunityMessage.cs

@@ -0,0 +1,64 @@
+using SqlSugar;
+
+namespace QYZH.InteractiveMagazine.Models.Entity
+{
+    ///<summary>
+    ///社区预置消息表
+    ///</summary>
+    [SugarTable("CommunityMessage")]
+    public partial class CommunityMessage : BaseEntity
+    {
+           public CommunityMessage(){
+
+
+           }
+           /// <summary>
+           /// Desc:期刊Id
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public long JournalId {get;set;}
+
+           /// <summary>
+           /// Desc:消息内容
+           /// Default:
+           /// Nullable:False
+           /// </summary>           
+           public string Content {get;set;}
+
+           /// <summary>
+           /// Desc:配图
+           /// Default:
+           /// Nullable:True
+           /// </summary>           
+           public string ImageUrl {get;set;}
+
+           /// <summary>
+           /// Desc:排序
+           /// Default:0
+           /// Nullable:False
+           /// </summary>           
+           public int SortOrder {get;set;}
+
+           /// <summary>
+           /// Desc:是否启用
+           /// Default:b'1'
+           /// Nullable:False
+           /// </summary>           
+           public bool IsActive {get;set;}
+
+           /// <summary>
+           /// Desc:消息类型: Article, Quote, Announcement
+           /// Default:Article
+           /// Nullable:False
+           /// </summary>           
+           public string Type {get;set;}
+
+           /// <summary>
+           /// Desc:状态: Draft, Published
+           /// Default:Draft
+           /// Nullable:False
+           /// </summary>           
+           public string Status {get;set;}
+    }
+}