Adds macOS-specific detection for KiCad's bundled Python, eliminating manual
PYTHONPATH configuration for macOS users.
Changes:
- Detects KiCad bundled Python at standard macOS install path (Python 3.9-3.12)
- Makes KICAD_PYTHON environment variable cross-platform (not just Windows)
- Adds logging for Python detection to aid debugging
- Updates documentation with simplified macOS setup (no PYTHONPATH needed)
Fixes server startup on macOS where existsSync('python3') was failing validation
because it doesn't check PATH.
Based on PR #18 by @hexatriene - applied manually due to merge conflict with
router implementation. Full credit to hexatriene for the solution design and
implementation.
Co-authored-by: hexatriene <106840313+hexatriene@users.noreply.github.com>
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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