- Reduce SKILL.md from 288 to 118 lines
- Add trigger phrases: generate tests, analyze coverage, TDD workflow, etc.
- Add Table of Contents
- Remove marketing language
- Move Python tools to scripts/ directory (8 files)
- Move sample files to assets/ directory
- Create references/ with TDD best practices, framework guide, CI integration
- Use imperative voice consistently
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>