@

Add MrGameEng.AI utility-AI module; format codebase with CSharpier

New MrGameEng.AI module (ResponseCurve, Consideration, UtilityAction,
UtilityAi selector, Blackboard) plus CSharpier formatting applied across
the whole engine. Documents the CSharpier convention in CLAUDE.md.
@

src/MrGameEng.Core/ServiceRegistry.cs

@@ -9,24 +9,31 @@ public sealed class ServiceRegistry
     private readonly Dictionary<Type, object> _services = new();
 
     /// <summary>Registers a service instance under type <typeparamref name="T"/>. Throws if already registered.</summary>
-    public void Add<T>(T service) where T : class
+    public void Add<T>(T service)
+        where T : class
     {
         if (!_services.TryAdd(typeof(T), service))
         {
-            throw new InvalidOperationException($"Service of type {typeof(T)} is already registered.");
+            throw new InvalidOperationException(
+                $"Service of type {typeof(T)} is already registered."
+            );
         }
     }
 
     /// <summary>Returns the registered service of type <typeparamref name="T"/>. Throws if missing.</summary>
-    public T Get<T>() where T : class
+    public T Get<T>()
+        where T : class
     {
         return _services.TryGetValue(typeof(T), out var service)
             ? (T)service
-            : throw new InvalidOperationException($"Service of type {typeof(T)} is not registered.");
+            : throw new InvalidOperationException(
+                $"Service of type {typeof(T)} is not registered."
+            );
     }
 
     /// <summary>Returns the registered service of type <typeparamref name="T"/> or null.</summary>
-    public T? GetOrDefault<T>() where T : class
+    public T? GetOrDefault<T>()
+        where T : class
     {
         return _services.TryGetValue(typeof(T), out var service) ? (T)service : null;
     }
@@ -41,7 +48,11 @@ public sealed class ServiceRegistry
         var disposed = new HashSet<object>(ReferenceEqualityComparer.Instance);
         foreach (var service in _services.Values)
         {
-            if (!ReferenceEquals(service, except) && service is IDisposable disposable && disposed.Add(service))
+            if (
+                !ReferenceEquals(service, except)
+                && service is IDisposable disposable
+                && disposed.Add(service)
+            )
             {
                 disposable.Dispose();
             }