SCPN Fusion Core v3.9.3
Release v3.9.3 metadata alignment for Zenodo DOI minting.\n\nHighlights:\n- Bump package metadata to 3.9.3\n- Update CITATION.cff release date/version\n- Add explicit .zenodo.json version/publication_date fields\n\nZenodo should ingest this GitHub release and mint the version DOI shortly.