Tags give the ability to mark specific points in history as being important
v0.1.4: own sources by remote identity, guard plugin marketplaces with --replace-source, and keep credentials out of recorded origins
v0.1.3: deploy a tagged distribution.json release with skill-deploy --release
v0.1.2: pin every host to the release tag, and require the tag on the mainline rather than equal to HEAD
v0.1.1: fix Gemini CLI extension verification false negative (stdout/stderr + format)