Automated skill maintenance tool (v6 — Unified Registry + Snapshots). Full scan: [Orphan] migrate misplaced skills from category dirs OR standalone skills/<name>/ to auto-generated/, [Sync] auto-generated/ vs registry lifecycle diff (new/deleted/revived + description auto-sync via lifecycle field), [Reg] user-created/ registry consistency (add/remove, no content changes), [Check] validation warnings + multi-dimensional merge detection, [Snapshot] timestamped registry archive to .history/. All lifecycle tracking merged into user_capabilities.json — single source of truth.
2026-05-15