chunkToText in OpenAIStream is mishandling tool_calls about ai

[lgrammel]

Thanks for investigating. It's hard to tell for me how involved and risky the fix is without seeing it. That code area is fairly complex.

Please note that the OpenAIStream approach with onToolCall is outdated and we recommend using AI SDK Core now:
https://sdk.vercel.ai/docs/ai-sdk-core/tools-and-tool-calling

[doowb]

Thanks for the quick response. I noticed in the docs that OpenAIStream isn't mentioned as much, so I started looking for what replaced it. I was hoping for a similar decoupling of making the request to the "provider" and parsing the stream.

I'm going to close this, but if I make a fix, I'll submit a PR.