feat: adapt to enabled observability features.

Game/Game/GameServiceSource.cs

@@ -35,6 +35,7 @@ public partial class GameServiceSource : RootServiceSource
     {
         serviceCollection.AddObservability(builder => builder
             .AddGrpcExporter("http://localhost:4317")
-            .AddMeterName());
+            .AddMeterName()
+            .EnableObservabilityFeature(ObservabilityFeatures.Logging));
     }
 }

Game/Level/LevelServiceSource.cs

@@ -4,6 +4,7 @@ using Godot;
 using GodotHostTest.AetherBind;
 using GodotHostTest.Game.Target;
 using GodotHostTest.Interfaces;
+using Microsoft.Extensions.Logging;
 using OwofGames.AetherBind;
 using OwofGames.GodotHost.Observability;
 using OwofGames.GodotLume;
@@ -23,13 +24,18 @@ public partial class LevelServiceSource : ServiceSource
     }
 
     [WithProvider]
-    private void OnScopeCreated(IActivitySourceFactory activitySourceFactory,
+    private void OnScopeCreated(ILogger<LevelServiceSource> logger,
+        IOptional<IActivitySourceFactory> activitySourceFactoryWrapper,
         IValueSetter<ITargetCollector> targetCollector, IValueSetter<ITargetSpawner> targetSpawner)
     {
-        // ReSharper disable once ExplicitCallerInfoArgument - the caller name is not significant in this case
+        if (activitySourceFactoryWrapper.TryGet(out var activitySourceFactory))
-        _levelActivity = activitySourceFactory.ActivitySource.StartActivity("Level") ??
+            // ReSharper disable once ExplicitCallerInfoArgument - the caller name is not significant in this case
-                         throw new InvalidOperationException(
+            _levelActivity = activitySourceFactory.ActivitySource.StartActivity("Level") ??
-                             "No listeners for the activity - is OpenTelemetry running?");
+                             throw new InvalidOperationException(
+                                 "No listeners for the activity - is OpenTelemetry running?");
+        else
+            logger.LogWarning("Tracing not enabled, cannot start the activity.");
+
         targetCollector.Set(_targetSpawner);
         targetSpawner.Set(_targetSpawner);
     }
@@ -37,6 +43,6 @@ public partial class LevelServiceSource : ServiceSource
     public override void _Ready()
     {
         // after 3 seconds, dispose the activity for simulation purposes
-        GetTree().CreateTimer(3).Timeout += _levelActivity!.Dispose;
+        GetTree().CreateTimer(3).Timeout += () => _levelActivity?.Dispose();
     }
 }

Game/Metrics/MetricsHandler.cs

@@ -1,18 +1,29 @@
 using System;
 using System.Diagnostics.Metrics;
 using GodotHostTest.Interfaces;
+using Microsoft.Extensions.Logging;
 using OwofGames.GodotHost;
 using OwofGames.GodotHost.Observability;
+using OwofGames.GodotLume;
 using R3;
 
 namespace GodotHostTest.Game.Metrics;
 
-public class MetricsHandler(IMeterFactory meterFactory, ITargetEventBus targetEventBus) : IHostLifetime
+public class MetricsHandler(
+    ILogger<MetricsHandler> logger,
+    IOptional<IMeterFactory> meterFactoryWrapper,
+    ITargetEventBus targetEventBus) : IHostLifetime
 {
     private IDisposable? _disposables;
 
     public void Startup()
     {
+        if (!meterFactoryWrapper.TryGet(out var meterFactory))
+        {
+            logger.LogWarning("Metrics not enabled, cannot start local metrics");
+            return;
+        }
+
         // create meter
         var meter = meterFactory.Create();
 
@@ -33,6 +44,5 @@ public class MetricsHandler(IMeterFactory meterFactory, ITargetEventBus targetEv
     public void Shutdown()
     {
         _disposables?.Dispose();
-        meterFactory.Create("godot-host-test")?.Dispose();
     }
 }

godot-host-test.sln.DotSettings.user

@@ -14,6 +14,7 @@
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ABatchExportProcessor_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2026_002E2_003Fresharper_002Dhost_003FSourcesCache_003Fc8dd41e266838cc76bfa11d9dfab1ac2b969fe1ca445be5736143f97e378c_003FBatchExportProcessor_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AEnumerable_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2026_002E1_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003F71c28e8d0d254cb69b7b78690e099f6183800_003Fa8_003F2e82b19d_003FEnumerable_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AGodotHostTest_002EGame_002ELevel_002ELevelServiceSource_002EOnScopeCreated_002EWithProvider_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2026_002E2_003Fresharper_002Dhost_003FSourcesCache_003F7e88428147db393265e1cfcb5461548dc57aaf3_003FGodotHostTest_002EGame_002ELevel_002ELevelServiceSource_002EOnScopeCreated_002EWithProvider_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AGodotHostTest_002EGame_002ELevel_002ELevelServiceSource_002EOnScopeCreated_002EWithProvider_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2026_002E2_003Fresharper_002Dhost_003FSourcesCache_003Ff1f7397c8131df63b08679a746605d20167b3792_003FGodotHostTest_002EGame_002ELevel_002ELevelServiceSource_002EOnScopeCreated_002EWithProvider_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AGodotHostTest_002EGame_002ELevel_002ELevelServiceSource_002EOnScopeCreated_002EWithProvider_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2026_002E2_003Fresharper_002Dhost_003FSourcesCache_003Ff67e9a43d7ceeaa29fd4ff907a3ed16718c33f2_003FGodotHostTest_002EGame_002ELevel_002ELevelServiceSource_002EOnScopeCreated_002EWithProvider_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AGodotObject_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2026_002E2_003Fresharper_002Dhost_003FSourcesCache_003F4b3cf0d6385fc1f8b61f68a3e1df5132e355f1c63b49372b4c670e76f3_003FGodotObject_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AHttpClient_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2026_002E2_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003F817267d4eb7342ab80e0efd5613f1765199200_003F52_003F81ac2983_003FHttpClient_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>