Migrate to OpenAI's Responses API #117
Description
What feature do you want to see added?
Migrate from OpenAI's chat completions API to their responses API.
See https://platform.openai.com/docs/guides/migrate-to-responses.
Why do you want this feature? Does it solve a problem?
This has better performance and is future-proofed for future models.
How should the feature be implemented?
No response
Additional context (if applicable)
No response