${"generation_request":{"meta_data":{"tool":"NanoBanana Pro","task_type":"photorealistic_product_macro_jewelry_campaign","version":"v3.4_HEART_LOCKET_OPEN_MACRO_LUXURY","priority":"highest"},"references":{"reference_image_1":"UPLOAD_REFERENCE_IMAGE (PRODUCT + COMPOSITION LOCK)","insert_photo_reference":"UPLOAD_COUPLE_PHOTO (OPTIONAL: REPLACE THE PICTURE INSIDE LOCKET)"},"output_settings":{"aspect_ratio":"1:1","orientation":"square","resolution":"ultra_high_res","render_style":"ultra_photoreal_luxury_product_editorial","sharpness":"macro_tack_sharp","film_grain":"none_or_minimal","color_grade":"clean_warm_luxury_true_to_life"},"creative_prompt":{"scene_summary":"Ultra-photoreal luxury jewelry product shot: a gold heart-shaped locket necklace photographed in macro detail on a black fabric background. The locket is open, showing a small photo inside the top half. The gold finish is highly polished with realistic specular highlights, micro-scratches, and accurate reflections. The chain is and neatly draped above the pendant.\n\nThe inner photo: a small black-and-white candid couple portrait (if an insert photo reference is provided, use that exact image; otherwise generate a tasteful B&W couple photo). The photo must fit naturally behind the locket window with correct perspective, slight glass reflection, and realistic paper texture.\n\nThe open bottom half of the locket shows a clean, reflective gold interior with hinge details and realistic depth. Fabric background is a matte black knit\/cotton texture with weave, subtle lint fibers, and soft folds.\n\nLighting: premium product lighting with a soft key and gentle fill; warm highlights on gold; controlled shadows; no harsh glare blowing out details. Camera: macro lens look with shallow depth of field\u2014locket and photo sharp, edges gently fall off. Mood: elegant, , gift-ready, high-end campaign aesthetic."},"hard_constraints":["Single product only: one gold heart locket necklace, open.","Photoreal macro detail: metal reflections, hinge, chain, fabric weave.","Photo inside locket must look printed and physically placed (not floating).","No readable text, no logos, no watermark.","No extra jewelry items, no hands."],"negative_prompt":["text, logos, watermark","extra jewelry","hands or people holding it","cartoon, CGI","plastic-looking gold","blown highlights","blurry photo inside locket","warped locket shape","low resolution"]}}$