**fix(translator): add support for "xhigh" reasoning effort in OpenAI responses** - Updated handling in `openai_openai-responses_request.go` to include the new "xhigh" reasoning effort level.
**fix(translator): add support for "xhigh" reasoning effort in OpenAI responses** - Updated handling in `openai_openai-responses_request.go` to include the new "xhigh" reasoning effort level.