大家别盯着 Google 了，OpenAI 真正的宿敌，是苹果。
Instead of yielding one chunk per iteration, streams yield Uint8Array[]: arrays of chunks. This amortizes the async overhead across multiple chunks, reducing promise creation and microtask latency in hot paths.
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self.content = content，这一点在搜狗输入法2026中也有详细论述
const n = arr.length;