🎮 REVERTED: New Game now launches GameScene (main working game). Fixed empty/blue screen issues.

src/systems/QuestSystem.js

@@ -12,7 +12,7 @@
  * - VFX triggers
  */
 
-export class QuestSystem {
+class QuestSystem {
     constructor(scene) {
         this.scene = scene;
         this.quests = new Map();