{   "master_prompt": {     "scene_type": "ultra-realistic luxury skincare commercial photography",     "product": {       "type": "premium beauty elixir vial",       "brand_name": "VÉRÉLLE",       "product_name": "Lumière Nectar — Youth Infusions",       "container_shape": "tall faceted crystal vial with elegant vertical geometry",       "material": "optical crystal glass",       "finish": "prismatic clarity with soft light dispersion",       "cap_design": "brushed champagne-gold cap with beveled edge",       "label_design": {         "style": "Parisian luxury serif typography",         "primary_text": "Lumière Nectar",         "secondary_text": "Youth Infusions",         "finish": "champagne foil emboss with micro-engraved detailing"       },       "liquid_color": "soft golden nectar with luminous micro-pearl shimmer"     },     "composition": {       "placement": "center hero placement",       "pedestal": "ivory marble pedestal with subtle gold veining",       "base_surface": "polished reflective stone surface",       "surrounding_elements": [         "white orchid petals",         "golden honey droplets",         "chamomile blossoms",         "glass dew spheres"       ],       "liquid_effect": "soft golden mist swirl behind the vial"     },     "lighting": {       "style": "high-end beauty studio lighting",       "key_light": "soft frontal glow for glass clarity",       "rim_light": "warm rim highlights enhancing crystal edges",       "fill_light": "luxury soft diffusion",       "reflections": "controlled highlights for premium finish"     },     "background": {       "color": "warm ivory to champagne gradient",       "style": "clean editorial luxury backdrop",       "depth": "cinematic shallow depth with elegant falloff"     },     "camera": {       "angle": "slightly low hero angle",       "focus": "crystal edges and typography",       "depth_of_field": "cinematic shallow depth",       "resolution": "8K ultra-detailed clarity"     },     "mood_keywords": [       "Parisian luxury",       "timeless beauty",       "radiant skin",       "elegant purity",       "premium skincare campaign",       "refined sophistication"     ]   } }