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oak-napkin
Maintain a per-repo napkin file at .agent/memory/active/napkin.md that tracks mistakes, corrections, surprises, and what works. Always active, every session, unconditionally. Read distilled.md and napkin.md before doing anything. Write to the napkin continuously as you work. Log your own mistakes, not just user corrections.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.