fix: use responses API

[barredterra]

Use the OpenAI Responses API for model calls and upgrade langchain-openai, avoiding model-specific handling for reasoning models with tools. Extract output through AIMessage.text so structured reasoning metadata never appears in chat responses.

[barredterra]

@greptileai

[barredterra]

@Mergifyio backport version-15 develop

[mergify]

backport version-15 develop

✅ Backports have been created

Details

• #84 fix: use responses API (backport #83) has been created for branch version-15 but encountered conflicts

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Changes to be committed:
	modified:   README.md
	modified:   ask_alyf/ask_alyf/agent.py
	modified:   ask_alyf/ask_alyf/field_agent.py
	modified:   ask_alyf/ask_alyf/test_code_tools.py
	modified:   pyproject.toml

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   ask_alyf/ask_alyf/test_field_agent.py

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

• #85 fix: use responses API (backport #83) has been created for branch develop

[greptile-apps]

Confidence Score: 4/5

The PR does not appear safe to merge while existing OpenAI Compatible configurations can still be routed to an unsupported Responses endpoint.

The model builder unconditionally enables Responses API routing for both OpenAI and OpenAI Compatible providers, so configured servers that only implement Chat Completions still fail on invocation; documenting that limitation does not preserve the existing provider contract.

Files Needing Attention: ask_alyf/ask_alyf/agent.py, ask_alyf/ask_alyf/field_agent.py

Sequence Diagram

sequenceDiagram
    participant User
    participant Agent as Ask ALYF Agent
    participant Model as ChatOpenAI
    participant Provider as OpenAI-compatible Provider
    User->>Agent: Submit chat or field request
    Agent->>Model: "Build with use_responses_api=true"
    Model->>Provider: POST /v1/responses
    Provider-->>Model: Responses payload
    Model-->>Agent: AIMessage
    Agent->>Agent: Extract AIMessage.text
    Agent-->>User: Final answer text

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_{Reviews (2): Last reviewed commit: "docs: require OpenAI Responses API" | Re-trigger Greptile}

[barredterra]

@Mergifyio backport version-15 develop

[mergify]

backport version-15 develop

☑️ Command backport version-15 develop ignored because it is already running from a previous command.