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>

extensions/plugin-import-2x/creator/convertor/label-atlas.ts

@@ -0,0 +1,20 @@
+'use strict';
+import { ImporterBase } from '../common/base';
+
+export class LabelAtlasImporter extends ImporterBase {
+    type: string = 'label-atlas';
+    async import(): Promise<boolean> {
+        if (!this._2dMeta) {
+            return true;
+        }
+        this._3dMeta.ver = '1.0.0';
+        this._3dMeta.importer = 'label-atlas';
+        const userData = this._3dMeta.userData;
+        userData.itemWidth = this._2dMeta.itemWidth;
+        userData.itemHeight = this._2dMeta.itemHeight;
+        userData.startChar = this._2dMeta.startChar;
+        userData.spriteFrameUuid = `${this._2dMeta.rawTextureUuid}@${ImporterBase.getNameByID('spriteFrame')}`;
+        userData.fontSize = this._2dMeta.fontSize;
+        return true;
+    }
+}