### Description https://ai-sdk.dev/providers/ai-sdk-providers/anthropic#reasoning but in source code: https://github.com/vercel/ai/blob/c2871e6e845e6e34cdb91e56e350e93a951f5faa/packages/amazon-bedrock/src/bedrock-chat-language-model.ts#L170-L174 ### AI SDK Version _No response_ ### Code of Conduct - [x] I agree to follow this project's Code of Conduct