- Replace ExtensionProvider::Keyword constant with direct '*' string usage
- Add LibPhpxInstaller class to automatically build libphpx.so from source
- Implement PHPX build dependency installation via system package managers
- Update installer documentation to include libphpx.so auto-build instructions
- Modify PHP directory detection to prioritize running PHP installation
- Adjust CompilerBase to use Composer InstalledVersions for PHPX path resolution
- Refactor LinuxPackageManager to separate build tool packages from configure options
- Add comprehensive tests for LibPhpxInstaller shared library detection
- Update platform warnings to guide users toward interactive auto-build
- Revise ExtensionProvider parsing to handle
