Replicación de la postura de descanso prono Ultra-Hardlock

```json
{
  "engine": "PX-LOCK-RECONSTRUCT",
  "version": "2.0-ultra-hardlock",
  "mode": "exact-shot-replication",
  "global_hard_locks": {
    "pose_lock": true,
    "body_shape_lock": true,
    "outfit_lock": true,
    "camera_lock": true,
    "lighting_lock": true,
    "environment_lock": true,
    "water_state_lock": true,
    "color_palette_lock": true,
    "deviation_tolerance": {
      "joint_rotation_max_degrees": 2,
      "camera_shift_max_percent": 1,
      "scale_variance_max_percent": 1,
      "silhouette_iou_min": 0.94
    }
  },
  "subject": {
    "adult_confirmation": true,
    "age_estimate": "entre los 20 y 30 años",
    "ethnicity": "aparenta ser caucásica",
    "skin_tone": "claro neutro con reflejos cálidos de sol",
    "height_estimate_inches": 70,
    "body_type": "atlética delgada con curvas suaves",
    "measurements_inches": {
      "bust": 32,
      "waist": 24,
      "hips": 34
    },
    "advanced_anatomy": {
      "bust_sagittal_depth_inches": 4.2,
      "waist_depth_inches": 2.4,
      "hip_depth_inches": 4.6,
      "ribcage_width_inches": 11.5,
      "pelvic_tilt_degrees": 10,
      "glute_projection_inches": 2.6,
      "silhouette_profile": "curva en S larga y de bajo perfil con mínima exageración lumbar"
    },
    "face": {
      "shape": "óvalo angular",
      "orientation": {
        "yaw_degrees": -6,
        "pitch_degrees": -3,
        "roll_degrees": 0
      },
      "eyes": {
        "shape": "almendrados",
        "color": "marrón oscuro",
        "expression": "intensa, neutra, directa"
      },
      "brows": "rectas, definidas",
      "nose": "puente recto, estrecha",
      "lips": {
        "shape": "medianamente llenos",
        "expression": "cerrados, neutros"
      },
      "emotion_lock": "calma, segura, sin sonreír"
    },
    "hair": {
      "color": "marrón oscuro",
      "length": "largo",
      "part": "al centro",
      "style": "natural, suelto, ligeramente húmedo",
      "placement": "cayendo sobre los hombros y la parte superior de la espalda"
    }
  },
  "pose": {
    "base_pose": "recostada boca abajo",
    "surface": "camastro de piscina al aire libre",
    "body_orientation": "completamente horizontal",
    "pelvis": {
      "contact": "camastro",
      "rotation_degrees": 0,
      "height_offset_inches": 0
    },
    "torso": {
      "spine_curve": "neutra con ligera extensión",
      "chest_lift_inches": 2.5,
      "rotation_degrees": 0
    },
    "arms": {
      "both_arms": {
        "position": "extendidos hacia adelante",
        "support": "apoyados en el respaldo del camastro",
        "elbow_angle_degrees": 165
      }
    },
    "head": {
      "support": "apoyada sobre los antebrazos",
      "tilt_degrees": -3,
      "yaw_degrees": -6,
      "pitch_degrees": -3,
      "gaze": "directamente hacia la cámara"
    },
    "legs": {
      "both_legs": {
        "extension": "completamente extendidas",
        "thigh_contact": "camastro",
        "feet": "fuera de cuadro"
      }
    },
    "absolute_pose_constraints": [
      "el sujeto debe estar completamente boca abajo"
    ]
  }
}
```