Prompt: “Expand the uploaded photo into a vertical 9:16 composition suitable for Stories and phone wallpapers. Keep the original subject, facial features, clothing, and existing details unchanged. Extend the surrounding scene naturally above and below, matching perspective, lighting, textures, and depth of field. Place the subject in the lower two-thirds, leaving uncluttered space near the top for optional text. Avoid duplicated objects, stretched anatomy, visible seams, or added lettering.”