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/Autofac/AutofacExtension.cs

@@ -0,0 +1,67 @@
+using Autofac;
+using Autofac.Extensions.DependencyInjection;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.Configuration;
+using QYZH.InteractiveMagazine.Infrastructure.Cache;
+using QYZH.InteractiveMagazine.Infrastructure.MessageQueue;
+using QYZH.InteractiveMagazine.Models.Settings;
+using RabbitMQ.Client;
+using StackExchange.Redis;
+
+namespace QYZH.InteractiveMagazine.Infrastructure.Autofacs
+{
+    public static class AutofacExtension
+    {
+
+        /// <summary>
+        /// 根据程序集名称获取程序集
+        /// </summary>
+        /// <param name="builder">Web应用程序构建器</param>
+        public static void UseAutofac(this WebApplicationBuilder builder)
+        {
+            builder.Host.UseServiceProviderFactory(new AutofacServiceProviderFactory())
+                .ConfigureContainer<ContainerBuilder>((c, containerBuilder) =>
+                {
+                    var friendlyName = AppDomain.CurrentDomain.FriendlyName;
+                    var source = friendlyName.Split('.');
+                    var assemblyNames = string.Join(".", source.Take(source.Length - 1));
+                    containerBuilder.RegisterModule(new AutofacModuleRegister(assemblyNames));
+
+                    InitializeRedis(c.Configuration);
+                    InitializeRabbitMQ(c.Configuration, containerBuilder);
+                });
+        }
+
+        private static void InitializeRedis(IConfiguration configuration)
+        {
+            var redisSettings = configuration.GetSection("RedisSettings").Get<RedisSettings>();
+            if (redisSettings != null && !string.IsNullOrWhiteSpace(redisSettings.ConnectionString))
+            {
+                var multiplexer = ConnectionMultiplexer.Connect(redisSettings.ConnectionString);
+                RedisHelper.Connection = multiplexer;
+                RedisHelper.SetKeyPrefix(redisSettings.InstanceName ?? string.Empty);
+            }
+        }
+
+        private static void InitializeRabbitMQ(IConfiguration configuration, ContainerBuilder containerBuilder)
+        {
+            var rabbitMQSettings = configuration.GetSection("RabbitMQSettings").Get<RabbitMQSettings>();
+            if (rabbitMQSettings != null && !string.IsNullOrWhiteSpace(rabbitMQSettings.HostName))
+            {
+                var factory = new ConnectionFactory
+                {
+                    HostName = rabbitMQSettings.HostName,
+                    Port = rabbitMQSettings.Port,
+                    UserName = rabbitMQSettings.UserName ?? string.Empty,
+                    Password = rabbitMQSettings.Password ?? string.Empty,
+                    VirtualHost = rabbitMQSettings.VirtualHost ?? string.Empty
+                };
+
+                var connection = factory.CreateConnectionAsync().GetAwaiter().GetResult();
+
+                containerBuilder.RegisterInstance(connection).As<IConnection>().SingleInstance();
+                containerBuilder.RegisterType<RabbitMQPublisher>().InstancePerDependency();
+            }
+        }
+    }
+}