magpie-release-verify-rc

Read-only pre-flight verification of a staged release candidate (RC) for <upstream>. Checks artefact integrity (GPG signatures and checksums), Apache RAT licence headers, NOTICE/LICENSE completeness, prohibited-binary absence (including .pyc / pycache), source-tree integrity (no dangling symlinks or broken internal references), and version-string consistency. Emits a structured PASS / PASS-WITH-WARNINGS / FAIL…