- mxl-compile, mxl-validate, mxl-info, mxl-decompile: 4 cases
- runner: cwd option in _skill.json and preRun steps for skills
that resolve OutputPath relative to current directory
- Finding: mxl-compile only accepts relative OutputPath
21 tests across 9 skills, all passing.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>