devpulse-tier (owner) verb: fetch origin, VERSION GUARD (tag X.Y.Z must match origin/main pyproject + __init__), EXISTS GUARD (refuse if tag exists), tag origin/main + push -> fires publish.yml. 'tag --list' is global tier. Removes the last user-input step from releases (Patrick request, S274). Merge playbook (merge.md) updated to use it. Verb proven live: cut v2.6.1.