Initial setup for testing AI performance, random fixes

PkmnLib.Dynamic/Models/Choices/ItemChoice.cs

@@ -59,4 +59,28 @@ public class ItemChoice : TurnChoice, IItemChoice
     {
         User.CollectScripts(scripts);
     }
+
+    /// <inheritdoc />
+    public override string ToString() =>
+        $"ItemChoice: User: {User}, Item: {Item.Name}, TargetSide: {TargetSide}, TargetPosition: {TargetPosition}";
+
+    protected bool Equals(ItemChoice other) =>
+        other.User == User && other.Item.Equals(Item) && other.TargetSide == TargetSide &&
+        other.TargetPosition == TargetPosition;
+
+    /// <inheritdoc />
+    public override bool Equals(object? obj)
+    {
+        if (obj is null)
+            return false;
+        if (ReferenceEquals(this, obj))
+            return true;
+        if (obj is not ItemChoice other)
+            return false;
+        return Equals(other);
+    }
+
+    /// <inheritdoc />
+    public override int GetHashCode() =>
+        HashCode.Combine(User, Item, TargetSide, TargetPosition);
 }