feat: integrate room framework and isolated subgame bundles

Complete room UI and protocol integration, move game definitions and resources behind bundle entries, publish authoritative version XML, and document single-game builds. Include all current resource changes and experiment artifacts.

out/single-game-bundle-probe-20260909/project/temp/programming/custom-macro.js

@@ -0,0 +1,8 @@
+System.register([], function (_export, _context) {      
+    return {
+        setters: [],
+        execute: function () {
+
+        }
+    };
+});