"model": "Nano Banana Pro (Gemini)",

{
  "model": "Nano Banana Pro (Gemini)",
  "prompt": {
    "layout": {
      "type": "3x3 photo collage / nine-grid",
      "description": "9 vertical portrait photos arranged in a square grid",
      "consistency": "In all 9 frames the same person, the same outfit, and the same lighting conditions"
    },
    "aesthetic_style": {
      "theme": "Gen Z at-home party / girlish boudoir portrait",
      "lighting_technique": "on-camera flash from above (hard light)",
      "visuals": "high contrast, sharp crisp shadows, playful chaotic atmosphere, vibrant colors, white background"
    },
    "subject_details": {
      "appearance": "young Asian woman, fair skin, long dark wavy hair, voluminou

...