- Add cmake -E chdir wrapper for CTest on Windows to resolve DLL loading
- Auto-copy MinGW runtime DLLs to build directories during configure
- Fix module paths in integration tests (.so -> .dll for Windows)
- Update grove_add_test macro for cross-platform test registration
Tests now pass: 55% (16/29) on Windows MinGW
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>