更新库rollup配置

packages/core/build-rollup.cjs

@@ -46,6 +46,7 @@ function generatePackageJson() {
         description: sourcePackage.description,
         main: 'index.cjs',
         module: 'index.mjs',
+        unpkg: 'index.umd.js',
         types: 'index.d.ts',
         exports: {
             '.': {
@@ -59,6 +60,8 @@ function generatePackageJson() {
             'index.mjs.map',
             'index.cjs',
             'index.cjs.map',
+            'index.umd.js',
+            'index.umd.js.map',
             'index.d.ts',
             'README.md',
             'LICENSE',
@@ -110,7 +113,7 @@ function copyFiles() {
 
 function showBuildResults() {
     const distDir = './dist';
-    const files = ['index.mjs', 'index.cjs', 'index.d.ts'];
+    const files = ['index.mjs', 'index.cjs', 'index.umd.js', 'index.d.ts'];
     
     console.log('\n📊 构建结果:');
     files.forEach(file => {

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@esengine/ecs-framework",
-  "version": "2.1.30",
+  "version": "2.1.31",
   "description": "用于Laya、Cocos Creator等JavaScript游戏引擎的高性能ECS框架",
   "type": "module",
   "main": "bin/index.js",

packages/core/rollup.config.cjs

@@ -76,6 +76,31 @@ module.exports = [
       moduleSideEffects: false
     }
   },
+
+  // UMD构建 - 用于CDN和浏览器直接使用
+  {
+    input: 'bin/index.js',
+    output: {
+      file: 'dist/index.umd.js',
+      format: 'umd',
+      name: 'ECS',
+      banner,
+      sourcemap: true,
+      exports: 'named'
+    },
+    plugins: [
+      ...commonPlugins,
+      terser({
+        format: {
+          comments: /^!/
+        }
+      })
+    ],
+    external: [],
+    treeshake: {
+      moduleSideEffects: false
+    }
+  },
   
   // 类型定义构建
   {