- Add skill that uses check-mermaid.js to validate Mermaid diagrams
- Skill guides Claude to parse error reports and apply intelligent fixes
- Fixes common Mermaid parser bugs (parentheses, brackets, braces in labels)
- Include demo scripts with test Markdown file for validation
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
