Prepping UI overhaul

types/ui/ui.d.ts

@@ -0,0 +1,15 @@
+// Copyright (c) 2026 Dominic Masters
+//
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+/**
+ * Stub for now: both methods just stringify and space-join their
+ * arguments (like console.log) and forward the result to the engine's
+ * console, prefixed with the called method's name. No real UI element
+ * system exists behind this yet.
+ */
+declare const UI: {
+  add(...args: any[]): void;
+  remove(...args: any[]): void;
+};