sloproxy

feat(translator): preserve `input_image` details in OpenAI response conversion master

- Updated handling in `ConvertOpenAIResponsesRequestToOpenAIChatCompletions` to retain `input_image` detail fields such as `image_url` and `detail`. - Added `TestConvertOpenAIResponsesRequestToOpenAIChatCompletions_PreservesInputImageDetail` to verify preservation of image details during transformation. Closes: #3385


+31
2 changed files