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The kb skill (both copies) now describes the HEAD comparison, the ledger, exit code 3 and the recovery. kb-tool.md records the ih3k/yea8 arguments and corrects the residue paragraph: .gitignore hides the leftovers, and there are six, not one. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01VdfEGXA7aJ6ftMsCc9PJze