feat(cli): add CLI tool for adding ECS framework to existing projects (#339)

* feat(cli): add CLI tool for adding ECS framework to existing projects

- Support Cocos Creator 2.x/3.x, LayaAir 3.x, and Node.js platforms
- Auto-detect project type based on directory structure
- Generate ECSManager with full configuration (debug, remote debug, WebSocket URL)
- Auto-install dependencies with npm/yarn/pnpm detection
- Platform-specific decorators and lifecycle methods

* chore: add changeset for @esengine/cli

* fix(ci): fix YAML syntax error in ai-issue-helper workflow

* fix(cli): resolve file system race conditions (CodeQL)

* chore(ci): remove unused and broken workflows

* fix(ci): fix YAML encoding in release.yml

.changeset/clever-dragons-smile.md

@@ -0,0 +1,11 @@
+---
+"@esengine/cli": minor
+---
+
+feat(cli): 添加 CLI 工具用于将 ECS 框架集成到现有项目
+
+- 支持 Cocos Creator 2.x/3.x、LayaAir 3.x、Node.js 平台
+- 自动检测项目类型
+- 生成完整配置的 ECSManager（调试模式、远程调试、WebSocket URL）
+- 自动安装依赖（支持 npm/yarn/pnpm）
+- 针对不同平台生成正确的装饰器和生命周期方法