backend: store adaptive rate changes as events and serve an audit of them per line

backend/src/MoShiro.Backend.Application/ApplicationServiceCollectionExtensions.cs

@@ -33,6 +33,7 @@ public static class ApplicationServiceCollectionExtensions
         services.AddSingleton<LinkService>();
         services.AddSingleton<LineService>();
         services.AddSingleton<TargetService>();
+        services.AddSingleton<AdaptiveAuditService>();
         services.AddSingleton<TestService>();
         services.AddSingleton<IngestService>();
         services.AddSingleton<WindowComputer>();