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.

cocoscreator_projects/YouleNexus/assets/games/template/GameEntry.ts

@@ -0,0 +1,6 @@
+import {_decorator} from 'cc';
+import {GAME_DEFINITIONS} from './game-definition.ts';
+@_decorator.ccclass('GameEntry_Game_Surface_3')
+export class TemplateGameEntry {
+ static readonly definition=GAME_DEFINITIONS.Game_Surface_3;
+}