Complete Cocos Creator port with level bundles, themes, and tooling.

Adds level prefabs, theme assets, audio, extensions, and deployment scripts for the Unity WebGL migration.

Co-authored-by: Cursor <cursoragent@cursor.com>

tools/package-cdn-upload.js

@@ -0,0 +1,6 @@
+#!/usr/bin/env node
+/**
+ * @deprecated 请用 write-deploy-manifest.js（不再复制 cdn-upload 目录）
+ * 兼容旧脚本名，仅生成 build/deploy/ 清单。
+ */
+require('./write-deploy-manifest.js');