Initial setup for testing AI performance, random fixes

PkmnLib.Dynamic/Models/Choices/PassChoice.cs

@@ -30,4 +30,26 @@ public class PassChoice : TurnChoice, IPassChoice
     {
         User.CollectScripts(scripts);
     }
+
+    /// <inheritdoc />
+    public override string ToString() =>
+        $"PassChoice: {User}";
+
+    protected bool Equals(PassChoice other) => other.User == User;
+
+    /// <inheritdoc />
+    public override bool Equals(object? obj)
+    {
+        if (obj is null)
+            return false;
+        if (ReferenceEquals(this, obj))
+            return true;
+        if (obj is not PassChoice other)
+            return false;
+        return Equals(other);
+    }
+
+    /// <inheritdoc />
+    public override int GetHashCode() =>
+        User?.GetHashCode() ?? 0;
 }