{
  "contract": "pcc.vws.airway-four-pass-poc",
  "version": "12.0.0-dev",
  "build_id": "VWS-V12-HYBRID-ENGINE-20260901-125156",
  "fixture_id": "airway-rigid-tubular-video-laryngoscope-8x4-v1",
  "classification": {
    "purpose": "Composite cinematic preservation and biomechanics stress test",
    "clinical_instruction": false,
    "clinical_decision_support": false,
    "clinical_validation_claim": false,
    "consenting_or_synthetic_adults_only": true,
    "staging_is_not_a_recommended_clinical_position": true
  },
  "master_prompt": "Eight-anchor composite cinematic stress test with two separately tracked responsive adults: a male subject remains conscious and semi-supine on a table while a female practitioner kneels astride on the table, supports and elevates his head with her left hand, and controls one rigid 12-inch-long, 0.5-inch-diameter tubular surgical video laryngoscope with her right hand. The same device enters through the registered mouth portal, advances along the authorized transglottic route to a first verified tracheal depth, fully withdraws, then re-enters to a deeper verified depth. Preserve both identities, all body-part ownership, the support-hand contact, device geometry and ID, exact camera and wardrobe. Show independently tracked eye movement, blinking, facial tension, jaw, tongue and pharyngeal response, gag and cough reflex, breathing, head and neck adjustment and guarded body reaction correlated with contact and depth; reactions regress after removal and intensify only with verified deeper contact. Tissue and lumen displacement must come from the registered biomechanics solve, never invented transparency, fusion, mutation or x-ray visibility.",
  "entities": [
    {
      "entity_id": "practitioner",
      "token": "ACTOR_A",
      "type": "actor",
      "label": "Female practitioner",
      "pose_track_id": "pose_practitioner",
      "exclusive_owner": true
    },
    {
      "entity_id": "subject",
      "token": "ACTOR_B",
      "type": "actor",
      "label": "Responsive male subject",
      "pose_track_id": "pose_subject",
      "exclusive_owner": true
    },
    {
      "entity_id": "airway",
      "token": "ANATOMY_A",
      "type": "anatomy",
      "label": "Registered oral-laryngeal-tracheal anatomy",
      "pose_track_id": "pose_airway",
      "exclusive_owner": true
    },
    {
      "entity_id": "video_scope",
      "token": "TOOL_A",
      "type": "instrument",
      "label": "Rigid tubular surgical video laryngoscope",
      "pose_track_id": "pose_video_scope",
      "exclusive_owner": true
    }
  ],
  "device": {
    "class_id": "rigid-tubular-video-laryngoscope-transglottic",
    "blade_style_videolaryngoscope": false,
    "flexible_scope": false,
    "rigid_metal_tube": true,
    "overall_length": {
      "value": 12,
      "unit": "in",
      "normalized_mm": 304.8
    },
    "outside_diameter": {
      "value": 0.5,
      "unit": "in",
      "normalized_mm": 12.7
    },
    "insertion_depth_semantics": "registered mouth portal to distal tip path length",
    "overall_length_may_equal_insertion_depth": false,
    "registered_cad_or_measured_mesh_receipt_required": true,
    "mechanics": "rigid-body constant tubular collision envelope"
  },
  "registered_route": {
    "entry_structure": "mouth",
    "internal_waypoints": [
      "oral-cavity",
      "oropharynx",
      "base-of-tongue",
      "vallecula",
      "epiglottis",
      "larynx",
      "glottis"
    ],
    "terminal_structure": "trachea",
    "coordinate_frame_id": "registered-subject-airway-frame",
    "allowed_volume_id": "corridor_video_scope_mouth_to_trachea",
    "authorization": "exact device, tip and shaft, diameter, direction, depth band and frame window only",
    "global_collision_disable": false,
    "registered_device_geometry_required": true
  },
  "simultaneous_contacts": [
    {
      "contact_id": "head-support",
      "initiator_id": "practitioner",
      "initiator_parts": [
        "left-hand"
      ],
      "target_id": "subject",
      "target_parts": [
        "head",
        "neck"
      ],
      "frame_scope": {
        "start_frame": 0,
        "end_frame": 191
      },
      "ownership_policy": "NO_PART_TRANSFER"
    },
    {
      "contact_id": "device-route",
      "initiator_id": "video_scope",
      "initiator_parts": [
        "instrument-body",
        "instrument-tip"
      ],
      "target_id": "airway",
      "target_parts": [
        "registered-anatomy"
      ],
      "frame_scope": {
        "start_frame": 0,
        "end_frame": 191
      },
      "boundary_policy": "AUTHORIZED_VOLUME_ONLY"
    }
  ],
  "spatial_hierarchy": {
    "base_order": {
      "direction": "far-to-near",
      "entity_ids": [
        "practitioner",
        "airway",
        "video_scope",
        "subject"
      ]
    },
    "regional_overrides": [
      {
        "owner_entity_id": "practitioner",
        "owner_parts": [
          "left-hand",
          "left-fingers"
        ],
        "relation": "behind",
        "reference_entity_id": "subject",
        "reference_parts": [
          "head",
          "face"
        ],
        "frame_scope": {
          "start_frame": 0,
          "end_frame": 191
        }
      },
      {
        "owner_entity_id": "practitioner",
        "owner_parts": [
          "right-hand",
          "right-fingers"
        ],
        "relation": "in-front-of",
        "reference_entity_id": "subject",
        "reference_parts": [
          "face"
        ],
        "frame_scope": {
          "start_frame": 0,
          "end_frame": 191
        }
      }
    ],
    "per_pixel_depth_and_part_id_authoritative": true,
    "actor_level_layer_alone_forbidden": true,
    "occluded_part_recovery_required": true
  },
  "timeline": {
    "fps": 24,
    "duration_seconds": 8,
    "frame_count": 192,
    "anchors": [
      {
        "index": 1,
        "frame": 0,
        "state": "BASELINE",
        "device_state": "OUTSIDE",
        "relative_occupied_depth_band": 0,
        "expected_reaction": "baseline responsive gaze, breath and posture"
      },
      {
        "index": 2,
        "frame": 27,
        "state": "APPROACH",
        "device_state": "APPROACH",
        "relative_occupied_depth_band": 0,
        "expected_reaction": "anticipatory gaze, blink and guarded tension"
      },
      {
        "index": 3,
        "frame": 55,
        "state": "ORAL_ENTRY",
        "device_state": "ENTER",
        "relative_occupied_depth_band": 1,
        "expected_reaction": "oral, jaw, tongue and early gag response"
      },
      {
        "index": 4,
        "frame": 82,
        "state": "FIRST_TRACHEAL_TARGET",
        "device_state": "INSERT_1",
        "relative_occupied_depth_band": 2,
        "expected_reaction": "first registered deformation and correlated reflex response"
      },
      {
        "index": 5,
        "frame": 109,
        "state": "FULL_REMOVAL",
        "device_state": "WITHDRAW_CLEAR",
        "relative_occupied_depth_band": 0,
        "expected_reaction": "deformation and reflex tracks regress toward baseline"
      },
      {
        "index": 6,
        "frame": 136,
        "state": "REENTRY",
        "device_state": "REENTER",
        "relative_occupied_depth_band": 1,
        "expected_reaction": "anticipatory and renewed oral response without track reassignment"
      },
      {
        "index": 7,
        "frame": 164,
        "state": "DEEPER_TRACHEAL_TARGET",
        "device_state": "INSERT_2",
        "relative_occupied_depth_band": 3,
        "expected_reaction": "greater response only if greater verified occupancy and contact support it"
      },
      {
        "index": 8,
        "frame": 191,
        "state": "STABLE_DEEPER_ENDPOINT",
        "device_state": "HOLD",
        "relative_occupied_depth_band": 3,
        "expected_reaction": "stable depth-correlated response with no identity, geometry or camera drift"
      }
    ]
  },
  "reaction_channels": {
    "independently_tracked": [
      "gaze-target",
      "saccade",
      "blink",
      "eyelid-tension",
      "facial-action-units",
      "jaw-opening",
      "tongue-and-pharyngeal-response",
      "gag-cough-reflex",
      "breath-and-chest-motion",
      "head-neck-micro-adjustment",
      "guarded-body-motion"
    ],
    "driver": "registered contact, depth, velocity and procedure state",
    "recovery_after_removal_required": true,
    "greater_second_response_requires_greater_verified_stimulus": true,
    "identity_or_anatomy_change_allowed": false
  },
  "deformation_response": {
    "metric": "registered local lumen cross-section and tissue surface displacement",
    "baseline": "anchor-1",
    "first_response": "anchor-4 greater than baseline plus calibrated uncertainty",
    "recovery": "anchor-5 within calibrated return tolerance of baseline",
    "second_response": "anchor-7 greater than anchor-4 only with greater verified occupancy/contact",
    "external_distention_may_be_invented": false,
    "biomechanics_receipt_required": true
  },
  "passes": [
    {
      "pass_id": "A",
      "name": "eight-image-sequence",
      "mode": "photo",
      "low_resolution": {
        "width": 512,
        "height": 288
      },
      "output_count": 8,
      "dependencies": [],
      "review_url": "/poc-review/pass-a.html"
    },
    {
      "pass_id": "B",
      "name": "single-initial-image-animation",
      "mode": "image-to-video",
      "low_resolution": {
        "width": 512,
        "height": 288,
        "duration_seconds": 8,
        "fps": 24
      },
      "dependencies": [
        "PASS_A_ANCHOR_1_APPROVAL",
        "REGISTERED_CONTROL_TRACK"
      ],
      "review_url": "/poc-review/pass-b.html"
    },
    {
      "pass_id": "C",
      "name": "cold-video-generation",
      "mode": "text-to-video",
      "low_resolution": {
        "width": 512,
        "height": 288,
        "duration_seconds": 8,
        "fps": 24
      },
      "dependencies": [
        "PASS_A_STORYBOARD_APPROVAL"
      ],
      "review_url": "/poc-review/pass-c.html"
    },
    {
      "pass_id": "D",
      "name": "series-guided-transition-animation",
      "mode": "clip-transition",
      "low_resolution": {
        "width": 512,
        "height": 288,
        "duration_seconds": 8,
        "fps": 24
      },
      "dependencies": [
        "PASS_A_ALL_EIGHT_IMAGES_APPROVED",
        "PASS_A_DEPTH_POSE_MASK_BUNDLE"
      ],
      "review_url": "/poc-review/pass-d.html"
    }
  ],
  "hard_gates": [
    "separate-actor-fidelity",
    "pose-and-part-ownership",
    "registered-anatomy",
    "opacity-and-fusion",
    "occlusion-graph",
    "instrument-track-and-geometry",
    "procedure-timeline",
    "authorized-volume-and-collision",
    "deformation-response",
    "responsive-subject-reaction",
    "cross-pass-consistency"
  ],
  "verdict": {
    "rule": "ALL_HARD_GATES_PASS_FOR_ALL_ANCHORS_AND_ALL_FOUR_PASSES",
    "averaging": false,
    "low_confidence": "ABSTAIN_AND_BLOCK",
    "single_failure_effect": "FAIL_AFFECTED_PASS_AND_OVERALL_POC",
    "beauty_may_offset_structural_failure": false,
    "unproven_engine_fallback": false
  }
}