- Enhanced frontmatter parser to detect and parse TOML format
- Added TOML format detection heuristics before YAML parsing
- Created TOML test fixture with nested sections
- Fixed parsing order to prevent TOML-to-string conversion
- All frontmatter formats (YAML, JSON, TOML) now fully supported
- Validated all acceptance criteria for Issue #41🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>