{   "subject": {     "character": "uploaded_photo",     "face_consistency": "true",     "body_consistency": "true",     "gender": "female",     "age_appearance": "young adult, early 20s",     "ethnicity": "Northern European",     "emotion": "composed, neutral, effortless, calm focus",     "hair": {       "color": "icy platinum blonde",       "length": "long, past shoulders",       "style": "straight with soft natural movement",       "texture": "silky, light-reflecting, fine strands",       "placement": "cascading over shoulders"     },     "face": {       "visibility": "partially visible in reflection",       "profile_visibility": "three-quarter view",       "skin_tone": "fair, pale, porcelain",       "expression": "neutral, relaxed lips, blue eyes looking at phone screen"     }   },   "meta": {     "aspect_ratio": "9:16",     "camera": "iPhone 15 Pro Max rear camera",     "lens": "24mm f/1.78 main lens equivalent",     "focal_character": "sharp focus on subject, natural depth of field",     "quality": "ultra photorealistic, 8k resolution",     "style": "authentic mirror selfie, raw mobile photography, natural daylight, subtle skin texture"   },   "visibility_rules": {     "mirror_only": true,     "no_direct_subject_visibility": true,     "no_body_parts_outside_mirror": true   },   "camera_angle": {     "vertical_position": "eye level",     "horizontal_alignment": "centered",     "tilt": "0 degree tilt",     "yaw": "facing mirror directly",     "roll": "no rotation",     "distance_to_mirror_meters": 1.0,     "handheld_behavior": "slight natural handheld lean"   },   "body_angle": {     "global_orientation": "crouching or squatting position",     "torso_rotation_degrees": 15,     "shoulder_alignment": "relaxed, one shoulder slightly higher holding phone",     "hip_rotation_degrees": 45,     "weight_distribution": "balanced on balls of feet in a squat",     "posture": "compact, athletic, modern pose"   },   "head_angle": {     "rotation_degrees": 10,     "tilt": "subtle side tilt",     "chin_position": "neutral",     "neck_tension": "relaxed"   },   "phone_angle": {     "phone_model": "Gold iPhone 15 Pro Max with triple-lens system",     "height_relative_to_face": "partial coverage of the left cheek",     "distance_from_face_cm": 25,     "angle": "slight inward tilt toward subject",     "coverage": "phone obscures a portion of the face but leaves eyes and hair visible"   },   "pose": {     "legs": {       "stance": "deep squat",       "front_leg": "bent, knee pointing toward camera",       "back_leg": "bent, supporting weight"     },     "hips": {       "action": "tucked in a crouching silhouette"     },     "arms": {       "phone_hand": "right hand holding phone, index finger on side",       "free_hand": "left arm resting on knee"     }   },   "clothing": {     "outfit_type": "long-sleeve bodysuit with patterned tights",     "color": "solid black top, black patterned bottoms",     "ma