feat: migrate snowflake ids and refresh migrations

src/Application/TakeoutSaaS.Application/App/Extensions/AppApplicationServiceCollectionExtensions.cs

@@ -0,0 +1,23 @@
+using System.Reflection;
+using MediatR;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace TakeoutSaaS.Application.App.Extensions;
+
+/// <summary>
+/// 业务应用层服务注册。
+/// </summary>
+public static class AppApplicationServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册业务应用层（MediatR 处理器等）。
+    /// </summary>
+    /// <param name="services">服务集合。</param>
+    /// <returns>服务集合。</returns>
+    public static IServiceCollection AddAppApplication(this IServiceCollection services)
+    {
+        services.AddMediatR(Assembly.GetExecutingAssembly());
+
+        return services;
+    }
+}