@

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.Graphics/Layers.cs

@@ -52,14 +52,20 @@ public sealed class LayerRegistry
     public int Count => _layers.Length;
 
     /// <summary>Registers a layer drawn after all previously registered ones.</summary>
-    public LayerId Register(string name, LayerSpace space = LayerSpace.World, LayerSortMode sortMode = LayerSortMode.Depth)
+    public LayerId Register(
+        string name,
+        LayerSpace space = LayerSpace.World,
+        LayerSortMode sortMode = LayerSortMode.Depth
+    )
     {
         lock (_sync)
         {
             var layers = _layers;
             if (layers.Length == 256)
             {
-                throw new InvalidOperationException("Maximum number of render layers (256) reached.");
+                throw new InvalidOperationException(
+                    "Maximum number of render layers (256) reached."
+                );
             }
 
             var id = new LayerId((byte)layers.Length);
@@ -80,7 +86,9 @@ public sealed class LayerRegistry
             return id.Value < layers.Length
                 ? layers[id.Value]
                 : throw new ArgumentOutOfRangeException(
-                    nameof(id), $"Render layer {id.Value} is not registered (registered: {layers.Length}).");
+                    nameof(id),
+                    $"Render layer {id.Value} is not registered (registered: {layers.Length})."
+                );
         }
     }
 }