v1.0.1 — Cross-references complete

All four essay concept DOIs and the repo concept DOI are now filled into the Series blocks at the
bottom of each essay and into CITATION.cff. No code or essay content change; pure cross-reference completion.

v1.0.0 — Initial public release

Initial public release of the AI Trust series companion implementation, including the Calendar Stewardship worked example, the verify, the autonomic loop, and the
rendered PDFs of all four essays.