Variable OPENAI_IMAGE_EDIT_MODELConst

OPENAI_IMAGE_EDIT_MODEL: "gpt-image-2.5-sunburst" = 'gpt-image-2.5-sunburst'

OpenAI's model for changing an image: "Use it for workflows where editing precision matters most" (https://developers.openai.com/api/docs/models/gpt-image-2.5-sunburst). Edits, variations and style transfer use it.