"image request": {

{
  "image_request": {
    "identity_constraints": {
      "reference_image": "Use attached reference photo",
      "face_lock": true,
      "priority": "CRITICAL",
      "instructions": "Keep the exact same face as the reference image. Do not alter facial structure, proportions, features, or expression under any circumstances. Output must match the reference face 100%."
    },
    "subject": {
      "type": "Self-portrait of the user",
      "pose": {
        "body_position": "Lying down on a woven beach mat",
        "orientation": "Relaxed, natural posture beneath a palm tree"
      },
      "expression": {
        "mood": "Calm, relaxed, sophisticated",
        "vibe": "Luxury travel influencer aesthetic"
      }
    },
    "wardrobe": {
      "outfit": {
        "type": "Blush pink bikini with micro-pleated 

...