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.Infrastructure/Middleware/CorsExtension.cs

@@ -0,0 +1,42 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace QYZH.InteractiveMagazine.Infrastructure.Middleware
+{
+    /// <summary>
+    /// 跨域扩展
+    /// </summary>
+    public static class CorsExtension
+    {
+        /// <summary>
+        /// 跨域配置
+        /// </summary>
+        /// <param name="services"></param>
+        /// <param name="configuration"></param>
+        public static void AddCorsRegister(this WebApplicationBuilder builder)
+        {
+            bool isCorsAll = builder.Configuration["corsUrls"] == "*";
+            builder.Services.AddCors(options =>
+            {
+                options.AddPolicy("defaultCors", policy =>
+                {
+                    if (isCorsAll)
+                    {
+                        policy.SetIsOriginAllowed(origin => true);
+                    }
+                    else
+                    {
+                        var corsUrls = builder.Configuration.GetSection("corsUrls").Get<string[]>();
+                        policy.WithOrigins(corsUrls ?? Array.Empty<string>());
+                    }
+                    policy.AllowAnyHeader()
+                            .AllowAnyMethod()
+                            .AllowCredentials()
+                            .WithExposedHeaders("X-New-Token");
+
+                });
+            });
+        }
+    }
+}