About the 25MB size limit

About the 25MB size limit: I struggled to set up this project for a long time, only to find out that there was a size limit of 25MB when I ran it myself. So why didn't I just call the official API? I thought your project would automatically split and upload the audio, and then merge the results (to get the best performance, we suggest that you avoid breaking the audio up mid-sentence as this may cause some context to be lost). But the result was disappointing. I had to handle the process myself.

该 issue 没有指出文件、测试或入口点；首先定位音频上传和转录流程，并确认 25MB 限制是如何强制执行的。在实现之前，先与维护者明确预期的拆分和合并行为，因为该 issue 没有定义验收标准。

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