{ "type": "portrait photo", "subject": "man", "expression": "smiling broadly", "pose": "looking up towards the left", "lighting": "warm, dramatic side-lighting", "background": "completely black", "clothing": [ "round metal-frame sunglasses", "dark brown aged leather jacket", "black knit turtleneck" ], "details": "light catches the texture of the leather and the side of his face, casting deep shadows", "aspect_ratio": "3:4", "reference": { "image": "image_reference.jpg", "instruction": "100% use my uploaded reference image for generation" } }