Be assured, that nobody cares about the way, how this feature is implemented, as far as it supports any sane WM. KDE applications don't need to do _anything_ for getting session management working, since its support is implemented in the kapp object already IIRC.
Be assured, that nobody cares about the way, how this feature is implemented, as far as it supports any sane WM. KDE applications don't need to do _anything_ for getting session management working, since its support is implemented in the kapp object already IIRC.