k-skill-cleaner Use this skill when the user wants to slim down a K-skill bundle, find skills they never use, or make an evidence-backed deletion shortlist instead of deleting directories by guesswork. Safety contract - Do not delete skills automatically. Produce a ranked recommendation first, then make deletions only after the user explicitly approves the shortlist. - Treat trigger counts as best-effort signals , not absolute truth. Different agents store transcripts differently and may rotate or omit logs. - Protect any skill the user marks as "keep", even if its trigger count is zero. - Pr…