"model": "gemini nano banana pro",

{
  "model": "gemini-nano-banana-pro",
  "mode": "image",
  "aspect_ratio": "4:5",
  "quality": "ultra",
  "style": "cinematic_realism",
  "scene": {
    "setting": "busy neon-lit city street at night, wet road after rain, glowing signboards and traffic behind subject",
    "weather": "light drizzle just ended, reflective pavement, humid atmosphere",
    "background": "soft bokeh city lights, moving cars, faint pedestrian motion blur, tall buildings with colorful signage",
    "time": "night"
  },
  "subject": {
    "type": "young woman",
    "pose": "standing in the middle of a crosswalk, holding a smartphone close to camera",
    "expression": "natural warm smile, candid and joyful",
    "hair": "slightly messy hair blown across face by wind",
    "wardrobe": "dark coat or blazer, minimal accessories",
    "props": ["smartphone

...