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/static/migrate-resources/default-assets-2d/prefab/webview.prefab

@@ -0,0 +1,99 @@
+[
+  {
+    "__type__": "cc.Prefab",
+    "_name": "",
+    "_objFlags": 0,
+    "_native": "",
+    "data": {
+      "__id__": 1
+    },
+    "optimizationPolicy": 0,
+    "asyncLoadAssets": false
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "webview",
+    "_objFlags": 0,
+    "_parent": null,
+    "_children": [],
+    "_active": true,
+    "_level": 1,
+    "_components": [
+      {
+        "__id__": 2
+      }
+    ],
+    "_prefab": {
+      "__id__": 3
+    },
+    "_opacity": 255,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 300,
+      "height": 200
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0.5
+    },
+    "_skewX": 0,
+    "_skewY": 0,
+    "_localZOrder": 55,
+    "groupIndex": 0,
+    "_id": "",
+    "_eulerAngles": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_trs": {
+      "__type__": "TypedArray",
+      "ctor": "Float64Array",
+      "array": [
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        1,
+        1
+      ]
+    }
+  },
+  {
+    "__type__": "cc.WebView",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "_useOriginalSize": false,
+    "_url": "",
+    "webviewEvents": [],
+    "_id": "12QHFUfdhF+4w/zU5gB7ZI"
+  },
+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
+      "__id__": 1
+    },
+    "asset": {
+      "__uuid__": "8c5001fd-07ee-4a4b-a8a0-63e15195e94d"
+    },
+    "fileId": "2fb356PwclC8L2CbHhqGUVr",
+    "sync": false
+  }
+]