SKILL.md
使用以下模板撰写 PR 正文：
## Summary
<diagram, diff-sketch, or tree>
## Evidence
- **Before:** <screenshot/output/failing test run>
**After:** <screenshot/output/passing test run>
## Merge Danger
**Door:** <one-way or two-way>
<optional: description>
**Blast Radius:** <one-word description>