{"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false,"properties":{"background":{"description":"Background transparency setting. Use transparent for images with no background, opaque for a solid background, or auto to let the model decide.","enum":["transparent","opaque","auto"],"type":"string"},"images":{"description":"Input images for image editing, 1-16 entries. Each entry is base64-encoded (raw string or data:image/{png|jpeg|webp};base64,... URI).","items":{"type":"string"},"maxItems":16,"type":"array"},"output_format":{"description":"Output format for the generated image","enum":["png","webp","jpeg"],"type":"string"},"prompt":{"description":"Text prompt describing the image to generate or edit","type":"string"},"quality":{"description":"Quality of the generated image","enum":["low","medium","high","auto"],"type":"string"},"size":{"description":"Size of the generated image","enum":["1024x1024","1024x1536","1536x1024","auto"],"type":"string"}},"required":["prompt"],"type":"object"}