throughline-compose
Copyright 2026 Time Back Solutions Limited

This product includes software developed by Time Back Solutions Limited.

Licensed under the Apache License, Version 2.0. See the LICENSE file for the
full terms.

throughline-compose builds on throughline (https://pypi.org/project/throughline/),
which it consumes as an unmodified library. It adds source composition — namespace
declaration, pinning, fetching, and union merging — over that library and reuses
throughline's validator without forking it.
