Sunlit Poolside Portrait in Polka Dot Bikini

{
  "meta": {
    "image_dna": {
      "type": "Photo",
      "sensor": "iPhone 15 Pro / Sony A7III",
      "lock": "Orientation preserved 1:1"
    }
  },
  "spatial": {
    "facing": "Front-facing",
    "body": "Torso and hips squared to camera, knees splayed in butterfly position",
    "camera_rel": "Centered, slightly elevated above eye-level"
  },
  "optics": {
    "focal_len": "50mm portrait lens",
    "aperture": "f/2.8",
    "character": "Modern crisp sharpness, subtle highlight bloom",
    "flaws": [
      "Subtle highlight bloom on hair edges",
      "Minor optical aberration along water reflections"
    ]
  },
  "environment": {
    "lighting": {
      "source": "Hard midday direct sunlight from top-right",
      "bounce": "Subtle blue caustic fill from pool water onto right leg, warm neutral paver bounce across thighs",
      "shadows": "Crisp, directional cast to the left"
    },
    "physics": {
      "weather": "Dry summer heat",
      "materials": "Elastic swimwear tension, shimmering wet pool surface"
    }
  },
  "subject": {
    "id": "MAIN_SUBJECT",
    "pose": {
      "rig": "Seated casually on stone pool coping, legs loosely crossed, right arm braced straight on ground, left hand resting on thigh",
      "gaze": "Direct eye contact with camera, chin slightly tilted down",
      "physics": "Natural weight compression against ground, arm supporting upper body"
    },
    "visuals": {
      "skin": "Natural skin texture with sunlit specular highlights on forehead, nose ridge, and shoulder",
      "clothing": "[Brown Bikini, White Polka Dots, Pink Ruffled Trim] with light strap indentation on skin"
    },
    "placeholders": {
      "skin": "[the reference photo's skin tone]",
      "face": "[the reference photo's face]",
      "hair": "[the reference photo's hair]"
    }
  },
  "context": {
    "off_screen": "Refracted water caustics in turquoise pool to the left, implied pergola shade behind"
  },
  "generation": {
    "ar": "4:5",
    "positive": "Authentic poolside portrait, woman seated on paved edge, direct sun, swimming pool water, subtle skin highlights, filmic realism"
  }
}