GPT-6-astra not usable from foundry

[shawnjots]

[error] {
"error": {
"message": "Function tools with reasoning_effort are not supported for gpt-6-astra in /v1/chat/completions. To use function tools, use /v1/responses or set reasoning_effort to 'none'.",
"type": "invalid_request_error",
"param": "reasoning_effort",
"code": null
}
}
Unable to call the (kvvvnm-resource-project)gpt-6-astra inference endpoint due to 400. Function tools with reasoning_effort are not supported for gpt-6-astra in /v1/chat/completions. To use function tools, use /v1/responses or set reasoning_effort to 'none'. Please check if the input or configuration is correct.

[microsoft-github-policy-service]

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[a1exwang]

Closed as duplicate of #768