refactor(core): 移除全局EventBus，实现场景级事件隔离 (#211)

packages/core/src/ECS/Scene.ts

@@ -5,7 +5,6 @@ import { EntitySystem } from './Systems/EntitySystem';
 import { ComponentStorageManager, ComponentRegistry, ComponentType } from './Core/ComponentStorage';
 import { QuerySystem } from './Core/QuerySystem';
 import { TypeSafeEventSystem } from './Core/EventSystem';
-import { EventBus } from './Core/EventBus';
 import { ReferenceTracker } from './Core/ReferenceTracker';
 import { IScene, ISceneConfig } from './IScene';
 import { getComponentInstanceTypeName, getSystemInstanceTypeName, getSystemMetadata } from './Decorators';
@@ -245,16 +244,6 @@ export class Scene implements IScene {
         if (config?.name) {
             this.name = config.name;
         }
-
-        if (!Entity.eventBus) {
-            Entity.eventBus = new EventBus(false);
-        }
-
-        if (Entity.eventBus) {
-            Entity.eventBus.onComponentAdded((data: unknown) => {
-                this.eventSystem.emitSync('component:added', data);
-            });
-        }
     }
 
     /**