Initial Cocos Creator port of main-site Unity WebGL game.

Includes core gameplay, 600 exported levels, visual assets, web bridge, and bootstrap scene.

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

assets/scripts/ui/UIMain.ts

@@ -0,0 +1,20 @@
+import { _decorator, Component } from 'cc';
+import { GameManager } from '../manager/GameManager';
+
+const { ccclass } = _decorator;
+
+/** 对应 Unity UIMain，JS 可 SendMessage("UIMain", "SetText", ...) */
+@ccclass('UIMain')
+export class UIMain extends Component {
+    private textVisible = false;
+    private textContent = '';
+
+    setText(str: string) {
+        this.textContent = str;
+        console.log('[UIMain]', str);
+    }
+
+    setTextActive(active: string) {
+        this.textVisible = active === 'true';
+    }
+}