feature-sandbox

Create and maintain an isolated development workspace for a new feature/module without modifying existing code. Use when the user says things like "新增独立功能模块", "实验性功能", "测试用", "尝试用", "为新增功能创建独立目录", "feature sandbox", "prototype", "新增功能但不改现有代码", or when a new verification environment, RTL module, tool