Maintain Skill Periodic brain health checks and cleanup. Contract This skill guarantees: - All health dimensions are checked (stale, orphan, dead links, cross-refs, backlinks, citations, filing, tags) - Each issue found has a specific fix action - Back-link iron law is enforced - Citation format is validated against the standard - Results are reported with counts per dimension Phases Autonomous path (v0.36.4.0) — when you want to reach a target score If the user asks "get my brain to 90/100" or "fix what's broken", prefer the one-command loop over walking each dimension by hand: prints a depe…