Memory balik spesifik per-project (keep paths, THIS repo), general jadi skill auto-create ke ~/.shiro-neko/skills/auto-*.md. Compaction lossless dengan head preserved + droppedSpan normalized + retained note. Learner throttled tiap 3 turn / delta 8, pakai subagentModel (learnerModel) dan ceiling guard, hash dedup, JSON fallback, TTL tiap 6 turn.