Make meeting lifecycle stateful

MeetingAssistant.Tests/AsrDiagnosticEndpointTests.cs

@@ -30,6 +30,37 @@ public sealed class AsrDiagnosticEndpointTests
         Assert.StartsWith("endpoint-bytes:", segment.Text, StringComparison.Ordinal);
     }
 
+    [Fact]
+    public async Task NamedProfileEndpointPassesProfileToConfiguredProvider()
+    {
+        var pipelineFactory = new CapturingProfileSpeechRecognitionPipelineFactory();
+        await using var factory = new WebApplicationFactory<Program>()
+            .WithWebHostBuilder(builder =>
+            {
+                builder.ConfigureAppConfiguration((_, configuration) =>
+                {
+                    configuration.AddInMemoryCollection(new Dictionary<string, string?>
+                    {
+                        ["MeetingAssistant:FunAsr:Backend:Enabled"] = "false",
+                        ["MeetingAssistant:LaunchProfiles:english:Hotkey:Toggle"] = "Ctrl+Alt+E",
+                        ["MeetingAssistant:LaunchProfiles:english:AzureSpeech:Language"] = "en-US"
+                    });
+                });
+                builder.ConfigureTestServices(services =>
+                {
+                    services.RemoveAll<ISpeechRecognitionPipelineFactory>();
+                    services.AddSingleton<ISpeechRecognitionPipelineFactory>(pipelineFactory);
+                });
+            });
+        using var client = factory.CreateClient();
+        var wavPath = Path.Combine(AppContext.BaseDirectory, "Fixtures", "sample-16khz-mono.wav");
+
+        using var response = await client.PostAsJsonAsync("/profiles/english/asr/transcribe-file", new { path = wavPath });
+
+        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+        Assert.Equal("english", pipelineFactory.LastProfileName);
+    }
+
     [Fact]
     public async Task EndpointReportsProviderFailuresAsBadGateway()
     {
@@ -179,6 +210,24 @@ public sealed class AsrDiagnosticEndpointTests
         }
     }
 
+    private sealed class CapturingProfileSpeechRecognitionPipelineFactory : ISpeechRecognitionPipelineFactory
+    {
+        public string? LastProfileName { get; private set; }
+
+        public ISpeechRecognitionPipeline Create()
+        {
+            return Create(null);
+        }
+
+        public ISpeechRecognitionPipeline Create(string? launchProfileName)
+        {
+            LastProfileName = launchProfileName;
+            return new TestSpeechRecognitionPipeline(
+                new EndpointFakeTranscriptionProvider(),
+                (_, liveSegments, _, _) => Task.FromResult(liveSegments));
+        }
+    }
+
     private sealed class TestSpeechRecognitionPipeline : StreamingSpeechRecognitionPipeline
     {
         private readonly Func<string, IReadOnlyList<TranscriptionSegment>, SpeechRecognitionPipelineOptions, CancellationToken, Task<IReadOnlyList<TranscriptionSegment>>> finalize;