fix PowerOutageSummary and optimize ALertService structure

src/GreenHome.Infrastructure/DependencyInjection.cs

@@ -38,6 +38,10 @@ public static class DependencyInjection
         services.AddScoped<IAlertService, AlertService>();
         services.AddScoped<IAlertConditionService, AlertConditionService>();
         services.AddScoped<IAlertLogService, AlertLogService>();
+        services.AddScoped<AlertConditionEvaluator>();
+        services.AddScoped<AlertMessageBuilder>();
+        services.AddScoped<AlertNotificationSender>();
+        services.AddScoped<AlertPersistenceService>();
 
         // Device
         services.AddScoped<IDeviceService, DeviceService>();