[Bug]: When trying to create Azure based LLM API is rejected with bad request

Is there an existing issue for the same bug?

• I have searched existing issues and this is not a duplicate.

Bug Description

When I try to create LLM with Azure provider, the request to Azure endpoint rejected with the following message.

litellm.BadRequestError: AzureException - {"error":{"code":"BadRequest","message":"Azure OpenAI Responses API is enabled only for api-version 2025-03-01-preview and later"}}

Expected Behavior

When I try to create LLM with Azure provider, the request should be accepted and LLM should be created without errors.

Actual Behavior

No response

Steps to Reproduce

1. Install OpenHands and software-agent-sdk in my local desktop
2. run OpenHands with npm run dev
3. In the webUI, try to create the LLM with Azure provider with Azure API key
4. Hit Save and got this error.

Acceptance Criteria

• There should be no error happening when creating LLM with Azure provider

Installation Method

No response

If you selected "Other", please specify

No response

SDK Version

No response

Version Confirmation

• I have confirmed this bug exists on the LATEST version of OpenHands SDK

Python Version

No response

Model Name (if applicable)

No response

Operating System

No response

Logs and Error Messages

No response

Minimal Code Sample

No response

Screenshots and Additional Context

No response

Start by reproducing Azure-provider LLM creation through the OpenHands web UI and trace the request sent to the Azure endpoint. Check how the Azure API version and Responses API setting are selected; done means saving an Azure LLM succeeds without the reported BadRequestError.