Fix integration tests failing in CI due to QueueInitializerService (#56)

* Fix QueueInitializerService crashing test host in CI

The previous attempt removed QueueInitializerService by ImplementationType,
but in .NET 10 factory-registered hosted services have null ImplementationType
so the lookup never matched.

The correct fix is to prevent the service being registered in the first place:
- AddMessageQueues now short-circuits when ConnectionString is empty
- ApiFactory overrides MessageQueue:ConnectionString to "" via in-memory config
  so QueueInitializerService is never registered when tests run

Also reverts the now-unnecessary InternalsVisibleTo.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Add Azurite service to CI and revert dead config override

ConfigureAppConfiguration in WebApplicationFactory does not apply before
WebApplication.CreateBuilder() processes appsettings.Development.json, so
the connection-string override added in the previous commit was a no-op.

The correct fix: run Azurite as a service container in CI so that
QueueInitializerService.StartAsync succeeds, mirroring the local dev
environment where Azurite is already expected to be running.

Also reverts the non-functional ConfigureAppConfiguration block and its
unused using directive from ApiFactory.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Fix Azurite API version mismatch in CI

Azure.Storage.Queues 12.25.0 uses API version 2026-02-06, which the
mcr.microsoft.com/azure-storage/azurite image does not yet support.

Switched from a service container (which can't receive command arguments)
to a docker run step so we can pass --skipApiVersionCheck. This tells
Azurite to serve requests regardless of API version, which is fine for
the test environment.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: dcl10

.github/workflows/ci-backend.yml

@@ -27,6 +27,18 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Start Azurite
+        run: |
+          docker run --detach \
+            --publish 10000:10000 \
+            --publish 10001:10001 \
+            --publish 10002:10002 \
+            mcr.microsoft.com/azure-storage/azurite \
+            azurite --skipApiVersionCheck \
+                    --blobHost 0.0.0.0 \
+                    --queueHost 0.0.0.0 \
+                    --tableHost 0.0.0.0
+
       - uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}

backend/src/SkillMatrixLlm.Api/Extensions/ServiceCollectionExtensions.cs

@@ -52,6 +52,9 @@ public static IServiceCollection AddMessageQueues(this IServiceCollection s, ICo
   {
     var options = c.GetSection("MessageQueue").Get<MessageQueueOptions>() ?? new MessageQueueOptions();
 
+    if (string.IsNullOrEmpty(options.ConnectionString))
+      return s;
+
     var projectDescClient = CreateQueueClient(options.ConnectionString, options.ProjectDescriptionQueueName);
     var skillReqClient = CreateQueueClient(options.ConnectionString, options.SkillRequirementsQueueName);
 

backend/src/SkillMatrixLlm.Api/SkillMatrixLlm.Api.csproj

@@ -10,10 +10,6 @@
     <UserSecretsId>6a7c2c10-7306-41a6-8b41-d1490d650476</UserSecretsId>
   </PropertyGroup>
 
-  <ItemGroup>
-    <InternalsVisibleTo Include="SkillMatrixLlm.Api.IntegrationTests" />
-  </ItemGroup>
-
   <ItemGroup>
     <!-- JWT Bearer authentication — validates Keycloak-issued tokens -->
     <PackageReference Include="Azure.Storage.Queues" Version="12.25.0" />

backend/tests/SkillMatrixLlm.Api.IntegrationTests/Fixtures/ApiFactory.cs

@@ -14,7 +14,6 @@ namespace SkillMatrixLlm.Api.Tests.Fixtures;
 using Messaging;
 using Models.Recommendations;
 using Moq;
-using Services;
 using Services.Contracts;
 
 /// <summary>
@@ -41,10 +40,6 @@ protected override void ConfigureWebHost(IWebHostBuilder builder) =>
       services.AddDbContext<AppDbContext>(o =>
         o.UseInMemoryDatabase("TestDb").UseInternalServiceProvider(inMemoryProvider));
 
-      var queueInitDescriptor = services.SingleOrDefault(d => d.ImplementationType == typeof(QueueInitializerService));
-      if (queueInitDescriptor is not null)
-        services.Remove(queueInitDescriptor);
-
       services.AddTransient(_ => Mock.Of<IEmailSender>());
       services.AddSingleton(_ => Mock.Of<IKeycloakDataSeeder>());
       services.AddSingleton(_ => Mock.Of<IMessageChannel<ProjectDescriptionPayload>>());