main
fix: lazy-import bdist_wheel and simplify unlink
WIP: Restructure: Split into setuptools-scm/ and vcs-versioning/ workspace
fix: enter GlobalOverrides for setuptools_scm.get_version
fix: only emit DeprecationWarning in _bind_config when config is not None
refactor: use config.env.tool_names for override readers
fix: run_describe() raises LookupError instead of returning None
wip: workdir-centric chain API (env -> config -> workdir -> version)