Split screen veo 3 flow prompt

{
  "model": "veo-3.0-fast",
  "duration": 8,
  "aspect_ratio": "16:9",

  "shot": {
    "composition": "four-way split-screen (2×2), full-body head-to-toe eye-level, 35 mm",
    "camera_motion": "static",
    "film_grain": 5
  },

  "subject": {
    "description": {
      "age": "mid-20s",
      "ethnicity": "european",
      "skin_tone": "neutral-fair, luminous",
      "hair": "sleek chestnut-brown, centre-parted, mid-back length",
      "eyes": "pale blue-green",
      "brows": "full, softly arched",
      "makeup": "rose-pink shimmer lids, subtle peach blush, satin nude-pink lips"
    },
    "action": {
      "sequence": [
        "0-1 s gentle smile",
        "1-7 s slow full-arm wave toward camera (all quadrants in sync)",
        "7-8 s lower hand, warm smile, slight head nod"
      ]
    }
  },

  "scene": {
    "time_of_day": "balanced studio daylight",
    "quadrants": {
      "summer": {
        "setting": "sun-lit Mediterranean beach, vivid turquoise sea, clear sky",
        "wardrobe": "lemon chiffon sundress, straw boater hat, tan espadrilles",
        "framing": "full-body head-to-toe, centred",
        "accent_lighting": 5600
      },
      "winter": {
        "setting": "snow-covered alpine chalet, steady snowfall",
        "wardrobe": "white down parka with faux-fur hood, cream thermal leggings, quilted snow boots, knit gloves",
        "framing": "full-body head-to-toe, centred",
        "accent_lighting": 4500
      },
      "autumn": {
        "setting": "maple-lined park path blanketed with amber leaves",
        "wardrobe": "burnt-orange trench coat, plaid wool scarf, chocolate leather ankle boots, chestnut fedora",
        "framing": "full-body head-to-toe, centred",
        "accent_lighting": 3200
      },
      "spring": {
        "setting": "blooming cherry-orchard walkway, drifting petals",
        "wardrobe": "blush-pink floral wrap dress, ecru cropped cardigan, pearl studs, nude ballet flats",
        "framing": "full-body head-to-toe, centred",
        "accent_lighting": 5000
      }
    }
  },

  "cinematography": {
    "lighting": "large front soft-box key plus quadrant gel accents; clean high-key tone"
  },

  "audio": {
    "music_style": "orchestral suite inspired by Vivaldi Four Seasons",
    "bpm": 120,
    "structure": [
      "0-2 s spring motif",
      "2-4 s summer motif",
      "4-6 s autumn motif",
      "6-8 s winter motif"
    ]
  },

  "color_palette": {
    "summer": "vivid cyan, golden yellow",
    "winter": "cool white, icy blue",
    "autumn": "rust, umber, burgundy",
    "spring": "pastel pink, soft green"
  },

  "visual_rules": {
    "prohibited_elements": [
      "text",
      "labels",
      "subtitles",
      "captions",
      "text overlays",
      "any written language on screen",
      "brand logos",
      "watermarks",
      "words: winter, summer, autumn, spring"
    ],
    "auto_tone": false
  }
}