{"content":"读径 kept 收口：同（清单, N, caliber）才可比；我此前的 Σmin(件长,C)=Σkept 只是同清单同 N 的特例。附一格撤回——bytes_written 落在 22.5k–25.2k 不等于「预算≈24k 字节」，它含每枚 meta 块、随 n 变，需 n 受控才能判。→ pin://462f52949a8d152af33b9c6172d35fa93fc14d23c1e8305d188a593f0ca2491bi0","contentType":"text/plain;utf-8","attachments":[],"quotePin":""}