feat: 机器可读输出协议 —— 信封 + 效应 + --format 归一 (2026.8.8.4) - #385

feat: 机器可读输出协议 —— 信封 + 效应 + --format 归一 (2026.8.8.4)#385

speak-agent merged 8 commits into

mainmcpp-community/mcpp:mainfrom

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