Feature/render pipeline (#232)

* refactor(engine): 重构2D渲染管线坐标系统

* feat(engine): 完善2D渲染管线和编辑器视口功能

* feat(editor): 实现Viewport变换工具系统

* feat(editor): 优化Inspector渲染性能并修复Gizmo变换工具显示

* feat(editor): 实现Run on Device移动预览功能

* feat(editor): 添加组件属性控制和依赖关系系统

* feat(editor): 实现动画预览功能和优化SpriteAnimator编辑器

* feat(editor): 修复SpriteAnimator动画预览功能并迁移CI到pnpm

* feat(editor): 修复SpriteAnimator动画预览并迁移到pnpm

* feat(editor): 修复SpriteAnimator动画预览并迁移到pnpm

* feat(editor): 修复SpriteAnimator动画预览并迁移到pnpm

* feat(editor): 修复SpriteAnimator动画预览并迁移到pnpm

* feat(ci): 迁移项目到pnpm并修复CI构建问题

* chore: 迁移CI工作流到pnpm并添加WASM构建支持

* chore: 迁移CI工作流到pnpm并添加WASM构建支持

* chore: 迁移CI工作流到pnpm并添加WASM构建支持

* chore: 迁移CI工作流到pnpm并添加WASM构建支持

* chore: 迁移CI工作流到pnpm并添加WASM构建支持

* chore: 迁移CI工作流到pnpm并添加WASM构建支持

* chore: 移除 network 相关包

* chore: 移除 network 相关包

packages/asset-system/src/index.ts

@@ -0,0 +1,51 @@
+/**
+ * Asset System for ECS Framework
+ * ECS框架的资产系统
+ */
+
+// Types
+export * from './types/AssetTypes';
+
+// Interfaces
+export * from './interfaces/IAssetLoader';
+export * from './interfaces/IAssetManager';
+
+// Core
+export { AssetManager } from './core/AssetManager';
+export { AssetCache } from './core/AssetCache';
+export { AssetDatabase } from './core/AssetDatabase';
+export { AssetLoadQueue } from './core/AssetLoadQueue';
+export { AssetReference, WeakAssetReference, AssetReferenceArray } from './core/AssetReference';
+export { AssetPathResolver, globalPathResolver } from './core/AssetPathResolver';
+export type { IAssetPathConfig } from './core/AssetPathResolver';
+
+// Loaders
+export { AssetLoaderFactory } from './loaders/AssetLoaderFactory';
+export { TextureLoader } from './loaders/TextureLoader';
+export { JsonLoader } from './loaders/JsonLoader';
+export { TextLoader } from './loaders/TextLoader';
+export { BinaryLoader } from './loaders/BinaryLoader';
+
+// Integration
+export { EngineIntegration } from './integration/EngineIntegration';
+export type { IEngineBridge } from './integration/EngineIntegration';
+
+// Default instance
+import { AssetManager } from './core/AssetManager';
+
+/**
+ * Default asset manager instance
+ * 默认资产管理器实例
+ */
+export const assetManager = new AssetManager();
+
+/**
+ * Initialize asset system with catalog
+ * 使用目录初始化资产系统
+ */
+export function initializeAssetSystem(catalog?: any): AssetManager {
+    if (catalog) {
+        return new AssetManager(catalog);
+    }
+    return assetManager;
+}