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/framework-tests/config/remote-config-fetcher.test.ts

@@ -1,3 +1,4 @@
+import { BUILD_IDENTITY } from '../fixtures/build-identity.ts';
 import { STARTUP_CONFIG as EDITABLE_STARTUP_CONFIG } from '../../YouleNexus/assets/framework/config/profiles.ts';
 // 固定测试来源，允许开发者独立切换项目的 local/remote 开关。
 const STARTUP_CONFIG = Object.freeze({...EDITABLE_STARTUP_CONFIG, configSource:'remote' as const});
@@ -28,7 +29,7 @@ test('resolveRuntimeConfig：把 cacheBust 注入唯一的 HTTP 请求构造点'
     return new Response('{"player_server_tcp":"10.0.0.1:3088"}');
   });
 
-  await resolveRuntimeConfig({
+  await resolveRuntimeConfig({buildIdentity:BUILD_IDENTITY,
     startupConfig: {...STARTUP_CONFIG,mode:'release',useLocalServer:false},
     hostKind: 'h5',
     win: {},