chore(iot): bump to v0.1.1 — scrub '8-primitive' and 'umbrella integr…

…ation' from PyPI surface, align to SAL v7.0 (#23)

fix: add skip-existing to publish (partial upload recovery)

Previous runs uploaded wheels successfully but sdist failed.
skip-existing allows re-running without 'file already exists' errors.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>