- change ConfigRoot to use RootBase enum for different root types (Crate, Home, Root, None) - add full_path method to resolve the full path based on RootBase and path - update tests to use full_path to string conversion for assertions
- change ConfigRoot to use RootBase enum for different root types (Crate, Home, Root, None) - add full_path method to resolve the full path based on RootBase and path - update tests to use full_path to string conversion for assertions