Fitness Influencer Mirror Selfie in Luxury Gym

{
  "generation_request": {
    "constraints": {
      "reference_adherence": {
        "facial_fidelity": "High",
        "instruction": "Preserve the facial features and hairstyle of the described subject."
      }
    },
    "subject": {
      "demographics": "Woman",
      "body": {
        "hair": {
          "style": "Low ponytail",
          "details": "Loose strands framing her face"
        },
        "expression": "Confident, focused pout",
        "head_pose": "Facing mirror",
        "gaze": "Looking at phone screen."
      },
      "apparel": {
        "upper_body": {
          "item": "Ribbed long-sleeve crop top",
          "color": "Black",
          "finish": "Subtle glitter / shimmer (black sparkly fabric)",
          "details": [
            "Thumbholes",
            "Wide scoop neckline"
          ],
          "layering": "Matching thin-strap halter top visible underneath (also black with subtle shimmer)"
        },
        "lower_body": {
          "item": "High-waisted athletic shorts",
          "fit": "Tight-fitting",
          "color": "Black"
        },
        "footwear": {
          "shoes": "White ankle socks",
          "color": "White",
          "socks": "White"
        }
      },
      "accessories": {
        "jewelry": [
          "Delicate thin gold necklace with small pendant",
          "Small gold hoop earrings"
        ],
        "tech": {
          "device_model": "iPhone Pro",
          "device_color": "Grey/Silver",
          "case_details": "Black case"
        }
      },
      "pose_action": {
        "posture": "Seated on floor",
        "type": "Mirror selfie",
        "details": "Legs extended in a split/stretch variation, torso twisted towards the mirror",
        "hands": {
          "right_hand": "Holding phone up to capture reflection",
          "left_hand": "Resting on floor for support"
        }
      }
    },
    "scene": {
      "location": {
        "type": "Modern luxury gym",
        "architecture": [
          "Black ceiling with linear lights",
          "Gym mat on floor",
          "Wood flooring accents"
        ]
      },
      "background_elements": [
        "Gym equipment racks",
        "Weights",
        "Mirrored walls"
      ],
      "lighting": {
        "type": "Overhead gym lighting",
        "quality": "Bright, cool-toned",
        "effects": "Sleek reflections on equipment and floor; subtle glitter catchlights on the black sparkly top"
      }
    },
    "composition": {
      "camera_setup": {
        "type": "High-resolution mirror selfie",
        "angle": "Low angle / Eye-level relative to seated subject",
        "focus": "Sharp subject focus",
        "depth_of_field": "Deep, clear background"
      },
      "aesthetic_style": {
        "genre": "Photorealistic fitness photography",
        "theme": "Influencer workout update",
        "visual_characteristics": [
          "Sleek",
          "Modern",
          "Athletic"