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.WebApi/appsettings.json

@@ -1,23 +1,23 @@
 {
   "ConnectionStrings": {
-    "DefaultConnection": "Server=localhost;Database=interactive_magazine;Uid=root;Pwd=root;Charset=utf8mb4;"
+    "DefaultConnection": "server=192.168.20.150;port=13306;database=InteractiveMagazine;user=user;password=n68792bu!y99r905;charset=utf8mb4;"
   },
   "JwtSettings": {
     "Issuer": "QYZH.InteractiveMagazine",
-    "Audience": "QYZH.InteractiveMagazine.Client",
-    "SecretKey": "your-256-bit-secret-key-here-change-in-production",
+    "Audience": "QYZH.InteractiveMagazine",
+    "SecretKey": "zG7pLqR9xVw2bN8fYtHk3mPc5sA1dF6eUjW4gXhC7vB",
     "ExpiryMinutes": 120
   },
   "RedisSettings": {
-    "ConnectionString": "localhost:6379",
+    "ConnectionString": "192.168.20.150:16379,defaultDatabase=5",
     "InstanceName": "interactive_magazine"
   },
   "RabbitMQSettings": {
-    "HostName": "localhost",
+    "HostName": "192.168.20.150",
     "Port": 5672,
-    "UserName": "guest",
-    "Password": "guest",
-    "VirtualHost": "/"
+    "UserName": "smartschool",
+    "Password": "@ss%&*otz%d*pq2S",
+    "VirtualHost": "InteractiveMagazine"
   },
   "WeChatSettings": {
     "AppId": "your-wechat-appid",