v0.2.1

0.2.1

中文

• 更新 README 与 npm 简介，补充提示词渐进加载、fidelity: lean | balanced | full 与 pua_reference path=index / section。
• 功能代码与 0.2.0 相同，仅文档与包元数据更新。

English

• Updated README and npm description for progressive prompt loading, fidelity: lean | balanced | full, and pua_reference path=index / section.
• Same functional code as 0.2.0; documentation and package metadata only.