License and owner decision

The included LICENSE is the unchanged proprietary source-package information notice. It does not grant new open-source or public redistribution rights. Usage/redistribution is subject to the applicable agreement with KDPika; contact hi@kdpika.com.

TODO(owner decision): approve explicit SDK usage/redistribution terms before publication. The release gate stays closed until that decision, repository, version/name and support identity are confirmed. No SPDX open-source identifier or license badge has been invented.