Step-by-step SKILL.md packages an AI follows for a single kind of task.
A skill is a focused playbook - instructions, examples and constraints - that makes any model reliable at one job, from SQL reporting to changelog writing. The router fills a plan's skill slot with the best match for the request.
`effmass` 是一个第一性原理电子结构计算工具，用于读取平面波基组下的波函数等文件（`OUT.GKK`、`OUT.WG`、`OUT.EIGEN` 等），计算得到有效质量。目前项目处于早期开发阶段，已完成 IO 模块和赝势读取模块的基础实现、正在进行哈密顿量算符的实现。
