adds a typed async Provider[Request, Response] contract and an OpenAIResponses reference adapter. callers supply and own the AsyncOpenAI client; the adapter preserves native output items, status, usage, and SDK errors. unexpected non-json bodies raise a pydantic ValidationError.
the adapter handles non-streaming Responses requests. comparison with omp confirmed that its Hyper connector uses Chat Completions, while Codex needs a separate adapter for its OAuth headers, request restrictions, and streaming transport.
validation:
mise run checkpassed.mise run test: 162 tests passed, including completed, incomplete, and failed responses, API errors, and unexpected SSE bodies.- live Hyper tests with
deepseek-v4.1-flashpassed for text, named tool calls, usage metadata, and a one-token output cap producingincomplete.