curl https://buble.ai/api/v1/generations \
  -H "Authorization: Bearer $BUBLE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/nano-banana-pro",
    "mode": "image_to_image",
    "prompt": "Turn this room into a warm Japandi interior with oak furniture, linen textures, soft daylight, and a calm premium editorial look",
    "image_urls": ["https://example.com/source-room.png"],
    "aspect_ratio": "16:9",
    "resolution": "1K",
    "output_format": "png"
  }'