Ensure uninherited types are sealed

Resolved mediator source geenrator conflict with tests

LiteCharms.Features/Extensions/Api.cs

@@ -241,7 +241,7 @@ public static class Api
 
         if (!string.IsNullOrWhiteSpace(urls))
         {
-            string firstUrl = urls.Split(';').FirstOrDefault(s => s.Contains("http://"))!
+            string firstUrl = urls.Split(';').FirstOrDefault(s => s.Contains("http://", StringComparison.InvariantCultureIgnoreCase))!
                 .Replace("0.0.0.0", "localhost")
                 .Replace("*", "localhost")
                 .Replace("+", "localhost");

LiteCharms.Features/Extensions/S3.cs

@@ -19,7 +19,7 @@ public static class S3
                     AuthenticationRegion = configuration.GetSection($"{BookshopS3SettingsSection}:Region").Value,
                     ForcePathStyle = true,
                     EndpointDiscoveryEnabled = true,
-                    UseHttp = configuration.GetSection($"{BookshopS3SettingsSection}:ServiceUrl").Value!.Contains("http://")
+                    UseHttp = configuration.GetSection($"{BookshopS3SettingsSection}:ServiceUrl").Value!.Contains("http://", StringComparison.InvariantCultureIgnoreCase),
                 }));
 
             services.AddKeyedScoped<IS3Service, BookshopS3Service>(BookshopBucketName); 
@@ -36,7 +36,7 @@ public static class S3
                     AuthenticationRegion = configuration.GetSection($"{BookshopInvoicesS3SettingsSection}:Region").Value,
                     ForcePathStyle = true,
                     EndpointDiscoveryEnabled = true,
-                    UseHttp = configuration.GetSection($"{BookshopS3SettingsSection}:ServiceUrl").Value!.Contains("http://")
+                    UseHttp = configuration.GetSection($"{BookshopS3SettingsSection}:ServiceUrl").Value!.Contains("http://", StringComparison.InvariantCultureIgnoreCase),
                 }));
 
             services.AddKeyedScoped<IS3Service, BookshopInvoicesS3Service>(BookshopInvoicesBucketName);
@@ -53,7 +53,7 @@ public static class S3
                     AuthenticationRegion = configuration.GetSection($"{BookshopQuotesS3SettingsSection}:Region").Value,
                     ForcePathStyle = true,
                     EndpointDiscoveryEnabled = true,
-                    UseHttp = configuration.GetSection($"{BookshopS3SettingsSection}:ServiceUrl").Value!.Contains("http://")
+                    UseHttp = configuration.GetSection($"{BookshopS3SettingsSection}:ServiceUrl").Value!.Contains("http://", StringComparison.InvariantCultureIgnoreCase),
                 }));
 
             services.AddKeyedScoped<IS3Service, BookshopQuotesS3Service>(BookshopQuotesBucketName);

LiteCharms.Features/Extensions/TaskCancellation.cs

@@ -0,0 +1,13 @@
+namespace LiteCharms.Features.Extensions;
+
+public static class TaskCancellation
+{
+    public static IServiceCollection AddCancellationToken(this IServiceCollection services)
+    {
+        services.AddScoped<CancellationTokenProvider>();
+        services.AddScoped(typeof(CancellationToken),
+            provider => provider.GetRequiredService<CancellationTokenProvider>().Token);
+
+        return services;
+    }
+}