Two stable-release identity checks broke on the first pipeline cuts of v0.21.6:
- nix.yml "Verify release package runtime identity" took the LAST token of the
whole `hermes --version` output. That output ends with the OpenAI SDK line, so
the check compared 0.21.6 against 2.24.0 and failed every release. Parse the
first line ("Hermes Agent v<version> ...") instead.
- msix-shared.mjs releaseEpoch() still required the retired `vX.Y.Z-rc` claim
name. Attempt refs are `rc.<N>-vX.Y.Z` (versioning.parse_attempt_ref), so the
Windows universal bundle threw "Stable claim tag differs from its payload tag".
Accept exactly `rc.<N>-<tag>`; a different version (rc.3-v0.27.10 for v0.27.1)
still refuses.