调试技巧：加打印语句观察每轮变化
async function peekFirstChunk(stream) {，这一点在搜狗输入法2026中也有详细论述
Read full article，更多细节参见搜狗输入法2026
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Banning children from VPNs and social media will erode adults' privacy
· 王芳 · 来源：dev资讯