Remove interactive VM lifetime step cap

godot/GodotVmOptions.cs

@@ -0,0 +1,13 @@
+using Age.Engine.Vm;
+
+/// <summary>Separates bounded diagnostic runs from the persistent interactive AGE session.</summary>
+public static class GodotVmOptions
+{
+    public const long DiagnosticMaxSteps = 20_000_000;
+
+    public static VmOptions Create(bool selftest, bool ignoreExitRequests)
+        => new(
+            MaxSteps: selftest ? DiagnosticMaxSteps : long.MaxValue,
+            IgnoreExitRequests: ignoreExitRequests,
+            NoSaveDat: selftest);
+}

godot/Main.cs

@@ -391,10 +391,7 @@ public partial class Main : Godot.Control
         if (histFile != null) { _hist = new Age.Engine.Diagnostics.HistogramTraceSink();
                                  sink = new Age.Engine.Diagnostics.CompositeTraceSink(_trace, _hist); }
         _vm = new VirtualMachine(script, table, _host,
-            new VmOptions(
-                MaxSteps: 20_000_000,
-                IgnoreExitRequests: nativeDebugMenu,
-                NoSaveDat: _selftest),
+            GodotVmOptions.Create(_selftest, nativeDebugMenu),
             provider, sink,
             sharedProfile: sharedProfile,
             nativeDatStore: nativeSaveStore,