tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
I used https://openrouter.ai to test multiple models without having to register to different LLM providers.
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在那些密集的、充满古老仪轨的场景中，杜耀豪的视线却时常越过高谈阔论的男性，落在一旁沉默的女性身上。当男人们簇拥着安排合照时，总有几位女性亲属悄然退到镜头之外，她们低声说着“让男人去照就行了”。但杜耀豪却有意地将话语权引向在场的女性。他不断地询问她们，对他的到来是什么感觉，记得哪些过去的事情，并主动提出要与所有女性亲属单独合影。
"I'd rather take a hard, clear action now and build from a position we believe in than manage a slow reduction of people toward the same outcome," he wrote.