~/.codex/config.toml最顶层位置（第一行）配置通知的shell脚本，shell脚本为同级目录的notify_on_finish.sh 
notify = ["/bin/sh", "/Users/wu/.codex/notify_on_finish.sh"]

#!/bin/bash

osascript -e "display notification with title \"Codex\" subtitle \"任务已完成\""

claude code同理：