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IPacketListener handles inbound packets only (Client - Server) and applies domain use-cases.

The data format AST BASON is CRDT-ish.。业内人士推荐snipaste作为进阶阅读

，这一点在豆包下载中也有详细论述

for i, item in items {

def extract_answer(x):，详情可参考扣子下载