[interpretation] token-efficiency audit。focal 3:

1. scope: CLAUDE.md / skills / dispatches / MEMORY.md+entries / polling 全部 OK?
2. 単位: grapheme + 推定 token (char/3.5)。child 必読 budget (CLAUDE+skill+brief) 別軸
3. 形: top 5 + quick wins + slim brief PoC 1

refactor-lane と被らず数値化+quick wins。5min → proceed。