{
  "status": "completed",
  "applicable_count": 1,
  "completed_count": 1,
  "failed_count": 0,
  "schema_version": 1,
  "config_hash": "c55c2f78e54bc607",
  "data": {
    "overlays": {
      "L04B02": {
        "bg_id": "L04B02",
        "fp_id": "fp_l04_rooftop",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          14
        ],
        "ignore_numbered_elements": [
          9,
          10,
          11,
          12,
          13
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "open rooftop terrace",
            "category": "area",
            "position_hint": "central and western majority of the roof, open exterior zone",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "rooftop service room",
            "category": "area",
            "position_hint": "east side of the roof, small enclosed rectangular rooftop room or stair bulkhead",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "perimeter parapet wall",
            "category": "area",
            "position_hint": "continuous low boundary wall around the roof edge",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "metal access door",
            "category": "opening",
            "position_hint": "west-facing wall of the rooftop service room, opening onto the terrace threshold",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "rectangular rooftop room window",
            "category": "opening",
            "position_hint": "north-facing wall of the rooftop service room, looking out over the terrace",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 6,
            "label": "raised water tank platform",
            "category": "area",
            "position_hint": "northwest utility corner of the rooftop terrace",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 7,
            "label": "rooftop water tank",
            "category": "prop",
            "position_hint": "on top of number 6, near the northwest parapet",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 8,
            "label": "fixed clothesline",
            "category": "prop",
            "position_hint": "spanning the open terrace from west parapet toward the service room side",
            "base_layer_decision": "base_persistent_fixture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 14,
            "label": "cold sea mist over rooftop",
            "category": "prop",
            "position_hint": "across the open roof perimeter and beyond number 3",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 9,
            "label": "dried herbs hanging on line",
            "category": "prop",
            "position_hint": "attached temporarily to number 8 in the central open rooftop area",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 10,
            "label": "intruder position near tank",
            "category": "prop",
            "position_hint": "near number 7 in the northwest utility corner",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 11,
            "label": "attack silhouette in window",
            "category": "prop",
            "position_hint": "inside or directly behind number 5 on the rooftop service room wall",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 12,
            "label": "black cat silhouette on wall",
            "category": "prop",
            "position_hint": "on or beside number 3 along the visible parapet edge",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 13,
            "label": "lit rooftop room beyond opening",
            "category": "prop",
            "position_hint": "inside number 2, visible through number 5 or around number 4 depending on camera angle",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B05": {
        "bg_id": "L04B05",
        "fp_id": "fp_l04_rooftop",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11
        ],
        "ignore_numbered_elements": [
          12,
          13,
          14
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "open rooftop terrace",
            "category": "area",
            "position_hint": "central and western majority of the roof, open exterior zone",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "rooftop service room",
            "category": "area",
            "position_hint": "east side of the roof, small enclosed rectangular rooftop room or stair bulkhead",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "perimeter parapet wall",
            "category": "area",
            "position_hint": "continuous low boundary wall around the roof edge",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "metal access door",
            "category": "opening",
            "position_hint": "west-facing wall of the rooftop service room, opening onto the terrace threshold",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "rectangular rooftop room window",
            "category": "opening",
            "position_hint": "north-facing wall of the rooftop service room, looking out over the terrace",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 6,
            "label": "raised water tank platform",
            "category": "area",
            "position_hint": "northwest utility corner of the rooftop terrace",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 7,
            "label": "rooftop water tank",
            "category": "prop",
            "position_hint": "on top of number 6, near the northwest parapet",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 8,
            "label": "fixed clothesline",
            "category": "prop",
            "position_hint": "spanning the open terrace from west parapet toward the service room side",
            "base_layer_decision": "base_persistent_fixture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 9,
            "label": "dried herbs hanging on line",
            "category": "prop",
            "position_hint": "attached temporarily to number 8 in the central open rooftop area",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 10,
            "label": "intruder position near tank",
            "category": "prop",
            "position_hint": "near number 7 in the northwest utility corner",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 11,
            "label": "attack silhouette in window",
            "category": "prop",
            "position_hint": "inside or directly behind number 5 on the rooftop service room wall",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 12,
            "label": "black cat silhouette on wall",
            "category": "prop",
            "position_hint": "on or beside number 3 along the visible parapet edge",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 13,
            "label": "lit rooftop room beyond opening",
            "category": "prop",
            "position_hint": "inside number 2, visible through number 5 or around number 4 depending on camera angle",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 14,
            "label": "cold sea mist over rooftop",
            "category": "prop",
            "position_hint": "across the open roof perimeter and beyond number 3",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B03": {
        "bg_id": "L04B03",
        "fp_id": "fp_l04_stairs",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11
        ],
        "ignore_numbered_elements": [
          12
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "lower street-side landing",
            "category": "area",
            "position_hint": "south edge of plan, at the bottom of the exterior stair route",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "main exterior stair run",
            "category": "area",
            "position_hint": "central zigzag stair route connecting lower, mid, and upper landings",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "mid villa entrance landing",
            "category": "area",
            "position_hint": "middle side landing adjacent to the villa entrance door",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "upper rooftop landing",
            "category": "area",
            "position_hint": "north end of plan, immediately before the rooftop access door",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 5,
            "label": "lower alley opening",
            "category": "opening",
            "position_hint": "southwest edge of lower landing, opening toward exterior approach",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 6,
            "label": "villa entrance door",
            "category": "opening",
            "position_hint": "east side of mid landing, set into the villa exterior wall",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 7,
            "label": "rooftop access door",
            "category": "opening",
            "position_hint": "north wall at upper rooftop landing",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 8,
            "label": "continuous exterior railing",
            "category": "prop",
            "position_hint": "outer edge of stair run and landings, following the exposed side of the route",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 9,
            "label": "wall-mounted exterior stair light",
            "category": "prop",
            "position_hint": "building wall beside the main stair run near the mid landing",
            "base_layer_decision": "base_persistent_fixture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 10,
            "label": "rooftop door half-open state",
            "category": "opening",
            "position_hint": "at number 7, on the upper rooftop landing threshold",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 11,
            "label": "foul odor cue near rooftop threshold",
            "category": "area",
            "position_hint": "around number 4 and number 7 at the upper rooftop landing",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 12,
            "label": "emergency responders and siren cue",
            "category": "prop",
            "position_hint": "around number 1 and number 5 at the lower street-side landing",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B04": {
        "bg_id": "L04B04",
        "fp_id": "fp_l04_stairs",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          12
        ],
        "ignore_numbered_elements": [
          10,
          11
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "lower street-side landing",
            "category": "area",
            "position_hint": "south edge of plan, at the bottom of the exterior stair route",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "main exterior stair run",
            "category": "area",
            "position_hint": "central zigzag stair route connecting lower, mid, and upper landings",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "mid villa entrance landing",
            "category": "area",
            "position_hint": "middle side landing adjacent to the villa entrance door",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "upper rooftop landing",
            "category": "area",
            "position_hint": "north end of plan, immediately before the rooftop access door",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 5,
            "label": "lower alley opening",
            "category": "opening",
            "position_hint": "southwest edge of lower landing, opening toward exterior approach",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 6,
            "label": "villa entrance door",
            "category": "opening",
            "position_hint": "east side of mid landing, set into the villa exterior wall",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 7,
            "label": "rooftop access door",
            "category": "opening",
            "position_hint": "north wall at upper rooftop landing",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 8,
            "label": "continuous exterior railing",
            "category": "prop",
            "position_hint": "outer edge of stair run and landings, following the exposed side of the route",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 9,
            "label": "wall-mounted exterior stair light",
            "category": "prop",
            "position_hint": "building wall beside the main stair run near the mid landing",
            "base_layer_decision": "base_persistent_fixture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 12,
            "label": "emergency responders and siren cue",
            "category": "prop",
            "position_hint": "around number 1 and number 5 at the lower street-side landing",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 10,
            "label": "rooftop door half-open state",
            "category": "opening",
            "position_hint": "at number 7, on the upper rooftop landing threshold",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 11,
            "label": "foul odor cue near rooftop threshold",
            "category": "area",
            "position_hint": "around number 4 and number 7 at the upper rooftop landing",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B01": {
        "bg_id": "L04B01",
        "fp_id": "fp_l04_rooftop",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          12,
          13
        ],
        "ignore_numbered_elements": [
          9,
          10,
          11,
          14
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "open rooftop terrace",
            "category": "area",
            "position_hint": "central and western majority of the roof, open exterior zone",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "rooftop service room",
            "category": "area",
            "position_hint": "east side of the roof, small enclosed rectangular rooftop room or stair bulkhead",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "perimeter parapet wall",
            "category": "area",
            "position_hint": "continuous low boundary wall around the roof edge",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "metal access door",
            "category": "opening",
            "position_hint": "west-facing wall of the rooftop service room, opening onto the terrace threshold",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "rectangular rooftop room window",
            "category": "opening",
            "position_hint": "north-facing wall of the rooftop service room, looking out over the terrace",
            "base_layer_decision": "base_opening"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 12,
            "label": "black cat silhouette on wall",
            "category": "prop",
            "position_hint": "on or beside number 3 along the visible parapet edge",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 13,
            "label": "lit rooftop room beyond opening",
            "category": "prop",
            "position_hint": "inside number 2, visible through number 5 or around number 4 depending on camera angle",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 9,
            "label": "dried herbs hanging on line",
            "category": "prop",
            "position_hint": "attached temporarily to number 8 in the central open rooftop area",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 10,
            "label": "intruder position near tank",
            "category": "prop",
            "position_hint": "near number 7 in the northwest utility corner",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 11,
            "label": "attack silhouette in window",
            "category": "prop",
            "position_hint": "inside or directly behind number 5 on the rooftop service room wall",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 14,
            "label": "cold sea mist over rooftop",
            "category": "prop",
            "position_hint": "across the open roof perimeter and beyond number 3",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B04": {
        "bg_id": "L05B04",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          7,
          8,
          10,
          11,
          12,
          14,
          15,
          16,
          17,
          18,
          19,
          20,
          21,
          23,
          24,
          25,
          26,
          27,
          28,
          29
        ],
        "ignore_numbered_elements": [
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42,
          43
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "overall rooftop room shell",
            "category": "area",
            "position_hint": "entire compact rectangular interior footprint",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "south side just inside the exterior entrance door",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "shared living zone",
            "category": "area",
            "position_hint": "central open area of the room",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "kitchen service zone",
            "category": "area",
            "position_hint": "east wall band beside the living zone",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 5,
            "label": "main sleeping alcove",
            "category": "area",
            "position_hint": "west side behind the curtain divider",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 7,
            "label": "bathroom service zone",
            "category": "area",
            "position_hint": "southeast corner near the entry threshold",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 8,
            "label": "exterior entrance door",
            "category": "opening",
            "position_hint": "south wall at the entry threshold, door swing inward",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 10,
            "label": "large sliding window",
            "category": "opening",
            "position_hint": "north wall spanning living and sleeping side",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 11,
            "label": "small kitchen window",
            "category": "opening",
            "position_hint": "east wall above or beside the kitchenette counter",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 12,
            "label": "main low bed or futon",
            "category": "furniture",
            "position_hint": "inside main sleeping alcove along the west wall",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 14,
            "label": "low living table",
            "category": "furniture",
            "position_hint": "center of the shared living zone",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 15,
            "label": "compact sofa or floor cushions",
            "category": "furniture",
            "position_hint": "southwest side of the shared living zone facing the TV",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 16,
            "label": "TV media stand",
            "category": "furniture",
            "position_hint": "east side of the living zone near the kitchenette wall",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 17,
            "label": "sink counter",
            "category": "prop",
            "position_hint": "east wall within the kitchen service zone",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 18,
            "label": "stovetop burner",
            "category": "prop",
            "position_hint": "east wall kitchenette counter beside the sink",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 19,
            "label": "refrigerator",
            "category": "prop",
            "position_hint": "kitchen service zone near the entry side",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 20,
            "label": "bathroom mirror",
            "category": "prop",
            "position_hint": "inside bathroom on the wall above the wash area",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 21,
            "label": "toilet and shower fixture",
            "category": "prop",
            "position_hint": "inside the wet bathroom along the far wall",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 23,
            "label": "curtain divider",
            "category": "furniture",
            "position_hint": "between the shared living zone and the main sleeping alcove",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 24,
            "label": "framed wall photo",
            "category": "prop",
            "position_hint": "living zone wall near the TV side",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 25,
            "label": "chairs or stools",
            "category": "furniture",
            "position_hint": "around the low living table in the shared zone",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 26,
            "label": "fresh herbs at sink",
            "category": "prop",
            "position_hint": "on or beside number 17 in the kitchen service zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 27,
            "label": "simmering pot",
            "category": "prop",
            "position_hint": "on number 18 stovetop burner",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 28,
            "label": "news image on TV screen",
            "category": "prop",
            "position_hint": "on number 16 TV media stand surface",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 29,
            "label": "wrist mark on nearby person",
            "category": "prop",
            "position_hint": "near the kitchen and living boundary, not part of the fixed room",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 30,
            "label": "pooled blood on floor",
            "category": "prop",
            "position_hint": "shared living floor near number 23 curtain divider",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 31,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "from shared living zone toward the sleeping alcove curtain",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 32,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "behind number 23 inside the main sleeping alcove",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 33,
            "label": "crumpled photo in hand",
            "category": "prop",
            "position_hint": "with number 32 behind the curtain divider",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 34,
            "label": "red circle in bathroom mirror",
            "category": "prop",
            "position_hint": "on the reflective surface of number 20 bathroom mirror",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 35,
            "label": "distorted face in framed photo",
            "category": "prop",
            "position_hint": "inside the image surface of number 24 framed wall photo",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 36,
            "label": "rough red circle on room wall",
            "category": "prop",
            "position_hint": "living zone wall near number 24",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 37,
            "label": "bloody old photograph pinned to circle",
            "category": "prop",
            "position_hint": "center of number 36 on the living zone wall",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 38,
            "label": "ransack footprint trail",
            "category": "prop",
            "position_hint": "across the living floor from entry to window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 39,
            "label": "overturned chairs",
            "category": "furniture",
            "position_hint": "around number 14 low table in the shared living zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 40,
            "label": "opened sliding window state",
            "category": "opening",
            "position_hint": "at number 10 large sliding window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 41,
            "label": "opened entrance door state",
            "category": "opening",
            "position_hint": "at number 8 exterior entrance door",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 42,
            "label": "unnaturally clean restored surfaces",
            "category": "prop",
            "position_hint": "shared living floor and table surfaces where prior traces are absent",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 43,
            "label": "scattered drinking cups",
            "category": "prop",
            "position_hint": "on or near number 14 low living table",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4,
          5,
          7
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 5, 7]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B05": {
        "bg_id": "L05B05",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          1,
          3,
          5,
          6,
          10,
          12,
          13,
          14,
          15,
          16,
          23,
          24,
          25,
          30,
          31,
          32,
          33,
          43
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "overall rooftop room shell",
            "category": "area",
            "position_hint": "entire compact rectangular interior footprint",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "shared living zone",
            "category": "area",
            "position_hint": "central open area of the room",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 5,
            "label": "main sleeping alcove",
            "category": "area",
            "position_hint": "west side behind the curtain divider",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 6,
            "label": "second sleeping alcove",
            "category": "area",
            "position_hint": "northwest corner of the room",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 10,
            "label": "large sliding window",
            "category": "opening",
            "position_hint": "north wall spanning living and sleeping side",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 12,
            "label": "main low bed or futon",
            "category": "furniture",
            "position_hint": "inside main sleeping alcove along the west wall",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 13,
            "label": "second low bed or futon",
            "category": "furniture",
            "position_hint": "northwest corner in the second sleeping alcove",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 14,
            "label": "low living table",
            "category": "furniture",
            "position_hint": "center of the shared living zone",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 15,
            "label": "compact sofa or floor cushions",
            "category": "furniture",
            "position_hint": "southwest side of the shared living zone facing the TV",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 16,
            "label": "TV media stand",
            "category": "furniture",
            "position_hint": "east side of the living zone near the kitchenette wall",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 23,
            "label": "curtain divider",
            "category": "furniture",
            "position_hint": "between the shared living zone and the main sleeping alcove",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 24,
            "label": "framed wall photo",
            "category": "prop",
            "position_hint": "living zone wall near the TV side",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 25,
            "label": "chairs or stools",
            "category": "furniture",
            "position_hint": "around the low living table in the shared zone",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 30,
            "label": "pooled blood on floor",
            "category": "prop",
            "position_hint": "shared living floor near number 23 curtain divider",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 31,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "from shared living zone toward the sleeping alcove curtain",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 32,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "behind number 23 inside the main sleeping alcove",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 33,
            "label": "crumpled photo in hand",
            "category": "prop",
            "position_hint": "with number 32 behind the curtain divider",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 43,
            "label": "scattered drinking cups",
            "category": "prop",
            "position_hint": "on or near number 14 low living table",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "fresh herbs at sink",
            "category": "prop",
            "position_hint": "on or beside number 17 in the kitchen service zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 27,
            "label": "simmering pot",
            "category": "prop",
            "position_hint": "on number 18 stovetop burner",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 28,
            "label": "news image on TV screen",
            "category": "prop",
            "position_hint": "on number 16 TV media stand surface",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 29,
            "label": "wrist mark on nearby person",
            "category": "prop",
            "position_hint": "near the kitchen and living boundary, not part of the fixed room",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 34,
            "label": "red circle in bathroom mirror",
            "category": "prop",
            "position_hint": "on the reflective surface of number 20 bathroom mirror",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 35,
            "label": "distorted face in framed photo",
            "category": "prop",
            "position_hint": "inside the image surface of number 24 framed wall photo",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 36,
            "label": "rough red circle on room wall",
            "category": "prop",
            "position_hint": "living zone wall near number 24",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 37,
            "label": "bloody old photograph pinned to circle",
            "category": "prop",
            "position_hint": "center of number 36 on the living zone wall",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 38,
            "label": "ransack footprint trail",
            "category": "prop",
            "position_hint": "across the living floor from entry to window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 39,
            "label": "overturned chairs",
            "category": "furniture",
            "position_hint": "around number 14 low table in the shared living zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 40,
            "label": "opened sliding window state",
            "category": "opening",
            "position_hint": "at number 10 large sliding window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 41,
            "label": "opened entrance door state",
            "category": "opening",
            "position_hint": "at number 8 exterior entrance door",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 42,
            "label": "unnaturally clean restored surfaces",
            "category": "prop",
            "position_hint": "shared living floor and table surfaces where prior traces are absent",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          3,
          5,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 3, 5, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B06": {
        "bg_id": "L05B06",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          7,
          8,
          10,
          14,
          15,
          16,
          17,
          18,
          20,
          23,
          24,
          25,
          42
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          43
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "overall rooftop room shell",
            "category": "area",
            "position_hint": "entire compact rectangular interior footprint",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "south side just inside the exterior entrance door",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "shared living zone",
            "category": "area",
            "position_hint": "central open area of the room",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "kitchen service zone",
            "category": "area",
            "position_hint": "east wall band beside the living zone",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 5,
            "label": "main sleeping alcove",
            "category": "area",
            "position_hint": "west side behind the curtain divider",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 7,
            "label": "bathroom service zone",
            "category": "area",
            "position_hint": "southeast corner near the entry threshold",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 8,
            "label": "exterior entrance door",
            "category": "opening",
            "position_hint": "south wall at the entry threshold, door swing inward",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 10,
            "label": "large sliding window",
            "category": "opening",
            "position_hint": "north wall spanning living and sleeping side",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 14,
            "label": "low living table",
            "category": "furniture",
            "position_hint": "center of the shared living zone",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 15,
            "label": "compact sofa or floor cushions",
            "category": "furniture",
            "position_hint": "southwest side of the shared living zone facing the TV",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 16,
            "label": "TV media stand",
            "category": "furniture",
            "position_hint": "east side of the living zone near the kitchenette wall",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 17,
            "label": "sink counter",
            "category": "prop",
            "position_hint": "east wall within the kitchen service zone",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 18,
            "label": "stovetop burner",
            "category": "prop",
            "position_hint": "east wall kitchenette counter beside the sink",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 20,
            "label": "bathroom mirror",
            "category": "prop",
            "position_hint": "inside bathroom on the wall above the wash area",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 23,
            "label": "curtain divider",
            "category": "furniture",
            "position_hint": "between the shared living zone and the main sleeping alcove",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 24,
            "label": "framed wall photo",
            "category": "prop",
            "position_hint": "living zone wall near the TV side",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 25,
            "label": "chairs or stools",
            "category": "furniture",
            "position_hint": "around the low living table in the shared zone",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 42,
            "label": "unnaturally clean restored surfaces",
            "category": "prop",
            "position_hint": "shared living floor and table surfaces where prior traces are absent",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "fresh herbs at sink",
            "category": "prop",
            "position_hint": "on or beside number 17 in the kitchen service zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 27,
            "label": "simmering pot",
            "category": "prop",
            "position_hint": "on number 18 stovetop burner",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 28,
            "label": "news image on TV screen",
            "category": "prop",
            "position_hint": "on number 16 TV media stand surface",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 29,
            "label": "wrist mark on nearby person",
            "category": "prop",
            "position_hint": "near the kitchen and living boundary, not part of the fixed room",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 30,
            "label": "pooled blood on floor",
            "category": "prop",
            "position_hint": "shared living floor near number 23 curtain divider",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 31,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "from shared living zone toward the sleeping alcove curtain",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 32,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "behind number 23 inside the main sleeping alcove",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 33,
            "label": "crumpled photo in hand",
            "category": "prop",
            "position_hint": "with number 32 behind the curtain divider",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 34,
            "label": "red circle in bathroom mirror",
            "category": "prop",
            "position_hint": "on the reflective surface of number 20 bathroom mirror",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 35,
            "label": "distorted face in framed photo",
            "category": "prop",
            "position_hint": "inside the image surface of number 24 framed wall photo",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 36,
            "label": "rough red circle on room wall",
            "category": "prop",
            "position_hint": "living zone wall near number 24",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 37,
            "label": "bloody old photograph pinned to circle",
            "category": "prop",
            "position_hint": "center of number 36 on the living zone wall",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 38,
            "label": "ransack footprint trail",
            "category": "prop",
            "position_hint": "across the living floor from entry to window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 39,
            "label": "overturned chairs",
            "category": "furniture",
            "position_hint": "around number 14 low table in the shared living zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 40,
            "label": "opened sliding window state",
            "category": "opening",
            "position_hint": "at number 10 large sliding window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 41,
            "label": "opened entrance door state",
            "category": "opening",
            "position_hint": "at number 8 exterior entrance door",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 43,
            "label": "scattered drinking cups",
            "category": "prop",
            "position_hint": "on or near number 14 low living table",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4,
          5,
          7
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 5, 7]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B01": {
        "bg_id": "L05B01",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          7,
          8,
          9,
          14,
          16,
          17,
          20,
          21,
          24,
          34,
          35
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          36,
          37,
          38,
          39,
          40,
          41,
          42,
          43
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "overall rooftop room shell",
            "category": "area",
            "position_hint": "entire compact rectangular interior footprint",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "south side just inside the exterior entrance door",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "shared living zone",
            "category": "area",
            "position_hint": "central open area of the room",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "kitchen service zone",
            "category": "area",
            "position_hint": "east wall band beside the living zone",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 7,
            "label": "bathroom service zone",
            "category": "area",
            "position_hint": "southeast corner near the entry threshold",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 8,
            "label": "exterior entrance door",
            "category": "opening",
            "position_hint": "south wall at the entry threshold, door swing inward",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 9,
            "label": "bathroom door",
            "category": "opening",
            "position_hint": "bathroom west wall opening toward the entry threshold",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 14,
            "label": "low living table",
            "category": "furniture",
            "position_hint": "center of the shared living zone",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 16,
            "label": "TV media stand",
            "category": "furniture",
            "position_hint": "east side of the living zone near the kitchenette wall",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 17,
            "label": "sink counter",
            "category": "prop",
            "position_hint": "east wall within the kitchen service zone",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 20,
            "label": "bathroom mirror",
            "category": "prop",
            "position_hint": "inside bathroom on the wall above the wash area",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 21,
            "label": "toilet and shower fixture",
            "category": "prop",
            "position_hint": "inside the wet bathroom along the far wall",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 24,
            "label": "framed wall photo",
            "category": "prop",
            "position_hint": "living zone wall near the TV side",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 34,
            "label": "red circle in bathroom mirror",
            "category": "prop",
            "position_hint": "on the reflective surface of number 20 bathroom mirror",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 35,
            "label": "distorted face in framed photo",
            "category": "prop",
            "position_hint": "inside the image surface of number 24 framed wall photo",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "fresh herbs at sink",
            "category": "prop",
            "position_hint": "on or beside number 17 in the kitchen service zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 27,
            "label": "simmering pot",
            "category": "prop",
            "position_hint": "on number 18 stovetop burner",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 28,
            "label": "news image on TV screen",
            "category": "prop",
            "position_hint": "on number 16 TV media stand surface",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 29,
            "label": "wrist mark on nearby person",
            "category": "prop",
            "position_hint": "near the kitchen and living boundary, not part of the fixed room",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 30,
            "label": "pooled blood on floor",
            "category": "prop",
            "position_hint": "shared living floor near number 23 curtain divider",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 31,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "from shared living zone toward the sleeping alcove curtain",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 32,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "behind number 23 inside the main sleeping alcove",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 33,
            "label": "crumpled photo in hand",
            "category": "prop",
            "position_hint": "with number 32 behind the curtain divider",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 36,
            "label": "rough red circle on room wall",
            "category": "prop",
            "position_hint": "living zone wall near number 24",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 37,
            "label": "bloody old photograph pinned to circle",
            "category": "prop",
            "position_hint": "center of number 36 on the living zone wall",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 38,
            "label": "ransack footprint trail",
            "category": "prop",
            "position_hint": "across the living floor from entry to window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 39,
            "label": "overturned chairs",
            "category": "furniture",
            "position_hint": "around number 14 low table in the shared living zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 40,
            "label": "opened sliding window state",
            "category": "opening",
            "position_hint": "at number 10 large sliding window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 41,
            "label": "opened entrance door state",
            "category": "opening",
            "position_hint": "at number 8 exterior entrance door",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 42,
            "label": "unnaturally clean restored surfaces",
            "category": "prop",
            "position_hint": "shared living floor and table surfaces where prior traces are absent",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 43,
            "label": "scattered drinking cups",
            "category": "prop",
            "position_hint": "on or near number 14 low living table",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4,
          7
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 7]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B02": {
        "bg_id": "L05B02",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          1,
          3,
          5,
          10,
          14,
          15,
          16,
          23,
          24,
          25,
          36,
          37
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          38,
          39,
          40,
          41,
          42,
          43
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "overall rooftop room shell",
            "category": "area",
            "position_hint": "entire compact rectangular interior footprint",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "shared living zone",
            "category": "area",
            "position_hint": "central open area of the room",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 5,
            "label": "main sleeping alcove",
            "category": "area",
            "position_hint": "west side behind the curtain divider",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 10,
            "label": "large sliding window",
            "category": "opening",
            "position_hint": "north wall spanning living and sleeping side",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 14,
            "label": "low living table",
            "category": "furniture",
            "position_hint": "center of the shared living zone",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 15,
            "label": "compact sofa or floor cushions",
            "category": "furniture",
            "position_hint": "southwest side of the shared living zone facing the TV",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 16,
            "label": "TV media stand",
            "category": "furniture",
            "position_hint": "east side of the living zone near the kitchenette wall",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 23,
            "label": "curtain divider",
            "category": "furniture",
            "position_hint": "between the shared living zone and the main sleeping alcove",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 24,
            "label": "framed wall photo",
            "category": "prop",
            "position_hint": "living zone wall near the TV side",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 25,
            "label": "chairs or stools",
            "category": "furniture",
            "position_hint": "around the low living table in the shared zone",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 36,
            "label": "rough red circle on room wall",
            "category": "prop",
            "position_hint": "living zone wall near number 24",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 37,
            "label": "bloody old photograph pinned to circle",
            "category": "prop",
            "position_hint": "center of number 36 on the living zone wall",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "fresh herbs at sink",
            "category": "prop",
            "position_hint": "on or beside number 17 in the kitchen service zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 27,
            "label": "simmering pot",
            "category": "prop",
            "position_hint": "on number 18 stovetop burner",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 28,
            "label": "news image on TV screen",
            "category": "prop",
            "position_hint": "on number 16 TV media stand surface",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 29,
            "label": "wrist mark on nearby person",
            "category": "prop",
            "position_hint": "near the kitchen and living boundary, not part of the fixed room",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 30,
            "label": "pooled blood on floor",
            "category": "prop",
            "position_hint": "shared living floor near number 23 curtain divider",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 31,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "from shared living zone toward the sleeping alcove curtain",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 32,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "behind number 23 inside the main sleeping alcove",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 33,
            "label": "crumpled photo in hand",
            "category": "prop",
            "position_hint": "with number 32 behind the curtain divider",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 34,
            "label": "red circle in bathroom mirror",
            "category": "prop",
            "position_hint": "on the reflective surface of number 20 bathroom mirror",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 35,
            "label": "distorted face in framed photo",
            "category": "prop",
            "position_hint": "inside the image surface of number 24 framed wall photo",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 38,
            "label": "ransack footprint trail",
            "category": "prop",
            "position_hint": "across the living floor from entry to window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 39,
            "label": "overturned chairs",
            "category": "furniture",
            "position_hint": "around number 14 low table in the shared living zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 40,
            "label": "opened sliding window state",
            "category": "opening",
            "position_hint": "at number 10 large sliding window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 41,
            "label": "opened entrance door state",
            "category": "opening",
            "position_hint": "at number 8 exterior entrance door",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 42,
            "label": "unnaturally clean restored surfaces",
            "category": "prop",
            "position_hint": "shared living floor and table surfaces where prior traces are absent",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 43,
            "label": "scattered drinking cups",
            "category": "prop",
            "position_hint": "on or near number 14 low living table",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          3,
          5
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 3, 5]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B03": {
        "bg_id": "L05B03",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          10,
          11,
          14,
          15,
          16,
          17,
          18,
          22,
          23,
          24,
          25,
          38,
          39,
          40,
          41
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          42,
          43
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "overall rooftop room shell",
            "category": "area",
            "position_hint": "entire compact rectangular interior footprint",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "south side just inside the exterior entrance door",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "shared living zone",
            "category": "area",
            "position_hint": "central open area of the room",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "kitchen service zone",
            "category": "area",
            "position_hint": "east wall band beside the living zone",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 5,
            "label": "main sleeping alcove",
            "category": "area",
            "position_hint": "west side behind the curtain divider",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 6,
            "label": "second sleeping alcove",
            "category": "area",
            "position_hint": "northwest corner of the room",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 7,
            "label": "bathroom service zone",
            "category": "area",
            "position_hint": "southeast corner near the entry threshold",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 8,
            "label": "exterior entrance door",
            "category": "opening",
            "position_hint": "south wall at the entry threshold, door swing inward",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 10,
            "label": "large sliding window",
            "category": "opening",
            "position_hint": "north wall spanning living and sleeping side",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 11,
            "label": "small kitchen window",
            "category": "opening",
            "position_hint": "east wall above or beside the kitchenette counter",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 14,
            "label": "low living table",
            "category": "furniture",
            "position_hint": "center of the shared living zone",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 15,
            "label": "compact sofa or floor cushions",
            "category": "furniture",
            "position_hint": "southwest side of the shared living zone facing the TV",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 16,
            "label": "TV media stand",
            "category": "furniture",
            "position_hint": "east side of the living zone near the kitchenette wall",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 17,
            "label": "sink counter",
            "category": "prop",
            "position_hint": "east wall within the kitchen service zone",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 18,
            "label": "stovetop burner",
            "category": "prop",
            "position_hint": "east wall kitchenette counter beside the sink",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 22,
            "label": "wardrobe or storage cabinet",
            "category": "furniture",
            "position_hint": "west or northwest wall near the sleeping alcoves",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 23,
            "label": "curtain divider",
            "category": "furniture",
            "position_hint": "between the shared living zone and the main sleeping alcove",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 24,
            "label": "framed wall photo",
            "category": "prop",
            "position_hint": "living zone wall near the TV side",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 25,
            "label": "chairs or stools",
            "category": "furniture",
            "position_hint": "around the low living table in the shared zone",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 38,
            "label": "ransack footprint trail",
            "category": "prop",
            "position_hint": "across the living floor from entry to window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 39,
            "label": "overturned chairs",
            "category": "furniture",
            "position_hint": "around number 14 low table in the shared living zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 40,
            "label": "opened sliding window state",
            "category": "opening",
            "position_hint": "at number 10 large sliding window",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 41,
            "label": "opened entrance door state",
            "category": "opening",
            "position_hint": "at number 8 exterior entrance door",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "fresh herbs at sink",
            "category": "prop",
            "position_hint": "on or beside number 17 in the kitchen service zone",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 27,
            "label": "simmering pot",
            "category": "prop",
            "position_hint": "on number 18 stovetop burner",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 28,
            "label": "news image on TV screen",
            "category": "prop",
            "position_hint": "on number 16 TV media stand surface",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 29,
            "label": "wrist mark on nearby person",
            "category": "prop",
            "position_hint": "near the kitchen and living boundary, not part of the fixed room",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 30,
            "label": "pooled blood on floor",
            "category": "prop",
            "position_hint": "shared living floor near number 23 curtain divider",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 31,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "from shared living zone toward the sleeping alcove curtain",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 32,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "behind number 23 inside the main sleeping alcove",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 33,
            "label": "crumpled photo in hand",
            "category": "prop",
            "position_hint": "with number 32 behind the curtain divider",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 34,
            "label": "red circle in bathroom mirror",
            "category": "prop",
            "position_hint": "on the reflective surface of number 20 bathroom mirror",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 35,
            "label": "distorted face in framed photo",
            "category": "prop",
            "position_hint": "inside the image surface of number 24 framed wall photo",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 36,
            "label": "rough red circle on room wall",
            "category": "prop",
            "position_hint": "living zone wall near number 24",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 37,
            "label": "bloody old photograph pinned to circle",
            "category": "prop",
            "position_hint": "center of number 36 on the living zone wall",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 42,
            "label": "unnaturally clean restored surfaces",
            "category": "prop",
            "position_hint": "shared living floor and table surfaces where prior traces are absent",
            "base_layer_decision": "state_overlay_plot_cue"
          },
          {
            "number": 43,
            "label": "scattered drinking cups",
            "category": "prop",
            "position_hint": "on or near number 14 low living table",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4,
          5,
          6,
          7
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 5, 6, 7]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L09B01": {
        "bg_id": "L09B01",
        "fp_id": "fp_l09_supermarket_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16
        ],
        "ignore_numbered_elements": [
          17
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "main sales floor shared zone",
            "category": "area",
            "position_hint": "large central interior rectangle occupying most of the plan",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "entrance threshold zone",
            "category": "area",
            "position_hint": "south center just inside the front entrance doors",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "glass sliding entrance doors",
            "category": "opening",
            "position_hint": "south wall centered, opening from exterior walkway into entrance threshold",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 4,
            "label": "front window glazing",
            "category": "opening",
            "position_hint": "south wall sections flanking the entrance doors",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "checkout counter",
            "category": "furniture",
            "position_hint": "front right side of sales floor near entrance threshold",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 6,
            "label": "cash register terminal",
            "category": "prop",
            "position_hint": "on checkout counter near the customer approach side",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 7,
            "label": "parallel grocery aisle shelves",
            "category": "furniture",
            "position_hint": "center of sales floor, two long north-south shelf rows",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 8,
            "label": "front display island",
            "category": "furniture",
            "position_hint": "front-middle of sales floor between entrance threshold and aisle shelves",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 9,
            "label": "wall refrigerator cases",
            "category": "furniture",
            "position_hint": "north wall and rear side of sales floor",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 10,
            "label": "beverage cooler line",
            "category": "furniture",
            "position_hint": "east wall behind or beyond checkout zone",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 11,
            "label": "rear staff door",
            "category": "opening",
            "position_hint": "northwest rear wall leading out of the sales floor",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 12,
            "label": "fixed security camera fixture",
            "category": "prop",
            "position_hint": "high on the front-right interior wall near the entrance, aimed across the sales floor",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 13,
            "label": "camera-facing wall section",
            "category": "area",
            "position_hint": "east perimeter wall area visible from the entrance and checked from the security camera location",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 14,
            "label": "exterior walkway strip",
            "category": "area",
            "position_hint": "outside the south entrance along the storefront edge",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 15,
            "label": "checkout service zone",
            "category": "area",
            "position_hint": "front-right pale cyan zone surrounding checkout counter and register",
            "base_layer_decision": "base_structural_unit"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 16,
            "label": "temporary restocking boxes and cart",
            "category": "prop",
            "position_hint": "near central aisle shelves and front display island during stocking moment",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 17,
            "label": "dimmed entrance lighting condition",
            "category": "area",
            "position_hint": "entrance threshold and front doorway area during darkened dusk moment",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          13,
          14,
          15
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 13, 14, 15]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L09B02": {
        "bg_id": "L09B02",
        "fp_id": "fp_l09_supermarket_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          12,
          13,
          14,
          15,
          17
        ],
        "ignore_numbered_elements": [
          16
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "main sales floor shared zone",
            "category": "area",
            "position_hint": "large central interior rectangle occupying most of the plan",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "entrance threshold zone",
            "category": "area",
            "position_hint": "south center just inside the front entrance doors",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "glass sliding entrance doors",
            "category": "opening",
            "position_hint": "south wall centered, opening from exterior walkway into entrance threshold",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 4,
            "label": "front window glazing",
            "category": "opening",
            "position_hint": "south wall sections flanking the entrance doors",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "checkout counter",
            "category": "furniture",
            "position_hint": "front right side of sales floor near entrance threshold",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 6,
            "label": "cash register terminal",
            "category": "prop",
            "position_hint": "on checkout counter near the customer approach side",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 7,
            "label": "parallel grocery aisle shelves",
            "category": "furniture",
            "position_hint": "center of sales floor, two long north-south shelf rows",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 8,
            "label": "front display island",
            "category": "furniture",
            "position_hint": "front-middle of sales floor between entrance threshold and aisle shelves",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 12,
            "label": "fixed security camera fixture",
            "category": "prop",
            "position_hint": "high on the front-right interior wall near the entrance, aimed across the sales floor",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 13,
            "label": "camera-facing wall section",
            "category": "area",
            "position_hint": "east perimeter wall area visible from the entrance and checked from the security camera location",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 14,
            "label": "exterior walkway strip",
            "category": "area",
            "position_hint": "outside the south entrance along the storefront edge",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 15,
            "label": "checkout service zone",
            "category": "area",
            "position_hint": "front-right pale cyan zone surrounding checkout counter and register",
            "base_layer_decision": "base_structural_unit"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 17,
            "label": "dimmed entrance lighting condition",
            "category": "area",
            "position_hint": "entrance threshold and front doorway area during darkened dusk moment",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 16,
            "label": "temporary restocking boxes and cart",
            "category": "prop",
            "position_hint": "near central aisle shelves and front display island during stocking moment",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          13,
          14,
          15
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 13, 14, 15]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L09B03": {
        "bg_id": "L09B03",
        "fp_id": "fp_l09_supermarket_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          12,
          13,
          14,
          15
        ],
        "ignore_numbered_elements": [
          16,
          17
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "main sales floor shared zone",
            "category": "area",
            "position_hint": "large central interior rectangle occupying most of the plan",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "entrance threshold zone",
            "category": "area",
            "position_hint": "south center just inside the front entrance doors",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "glass sliding entrance doors",
            "category": "opening",
            "position_hint": "south wall centered, opening from exterior walkway into entrance threshold",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 4,
            "label": "front window glazing",
            "category": "opening",
            "position_hint": "south wall sections flanking the entrance doors",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "checkout counter",
            "category": "furniture",
            "position_hint": "front right side of sales floor near entrance threshold",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 12,
            "label": "fixed security camera fixture",
            "category": "prop",
            "position_hint": "high on the front-right interior wall near the entrance, aimed across the sales floor",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 13,
            "label": "camera-facing wall section",
            "category": "area",
            "position_hint": "east perimeter wall area visible from the entrance and checked from the security camera location",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 14,
            "label": "exterior walkway strip",
            "category": "area",
            "position_hint": "outside the south entrance along the storefront edge",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 15,
            "label": "checkout service zone",
            "category": "area",
            "position_hint": "front-right pale cyan zone surrounding checkout counter and register",
            "base_layer_decision": "base_structural_unit"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 16,
            "label": "temporary restocking boxes and cart",
            "category": "prop",
            "position_hint": "near central aisle shelves and front display island during stocking moment",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 17,
            "label": "dimmed entrance lighting condition",
            "category": "area",
            "position_hint": "entrance threshold and front doorway area during darkened dusk moment",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          13,
          14,
          15
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": true,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 13, 14, 15]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L14B01": {
        "bg_id": "L14B01",
        "fp_id": "fp_l14_security_room_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "entrance threshold zone",
            "category": "area",
            "position_hint": "south edge of the room, just inside the office door",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "central operations zone",
            "category": "area",
            "position_hint": "center of the single office, between entrance and monitor desk",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "rear viewing zone",
            "category": "area",
            "position_hint": "southwest rear portion of the office behind the staff seats",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "inward-swing office door",
            "category": "opening",
            "position_hint": "south wall near the southeast corner, opening into the threshold zone",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "narrow exterior window",
            "category": "opening",
            "position_hint": "west wall near the northwest side of the office",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 6,
            "label": "CCTV monitor desk",
            "category": "furniture",
            "position_hint": "north wall, centered, facing the central operations zone",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 7,
            "label": "staff task chairs",
            "category": "furniture",
            "position_hint": "center of the operations zone, facing north toward the monitor desk",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 8,
            "label": "wall monitor bank",
            "category": "prop",
            "position_hint": "north wall above or directly behind the monitor desk",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 9,
            "label": "equipment rack and storage cabinet",
            "category": "prop",
            "position_hint": "east wall near the northeast corner beside the monitor desk",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 10,
            "label": "rear viewing bench and small table",
            "category": "furniture",
            "position_hint": "southwest rear viewing zone, behind the staff chairs",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 11,
            "label": "blue monitor glow and unclear CCTV footage",
            "category": "prop",
            "position_hint": "on the monitor screens at the north-wall desk and wall monitor bank; transient screen-state cue only",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          2,
          3
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L13B02": {
        "bg_id": "L13B02",
        "fp_id": "fp_l13_police_office_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15
        ],
        "ignore_numbered_elements": [
          16,
          17
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared work zone",
            "category": "area",
            "position_hint": "large central open office area occupying most of the plan",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "main entrance door",
            "category": "opening",
            "position_hint": "south wall, slightly west of center, inward-swinging door from corridor",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 3,
            "label": "corridor interior window",
            "category": "opening",
            "position_hint": "south wall, east of the entrance, double-line interior observation window",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 4,
            "label": "exterior office windows",
            "category": "opening",
            "position_hint": "north wall, long row of double-line windows facing outside",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "records storage zone",
            "category": "area",
            "position_hint": "west side strip of the room, beside filing cabinets and shelves",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 6,
            "label": "utility refreshment zone",
            "category": "area",
            "position_hint": "northeast corner, small service counter area",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 7,
            "label": "central desk cluster",
            "category": "furniture",
            "position_hint": "center of shared work zone, four compact office desks grouped back-to-back",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 8,
            "label": "small interview table",
            "category": "furniture",
            "position_hint": "southeast quadrant, near corridor window but inside the office",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 9,
            "label": "detective desk",
            "category": "furniture",
            "position_hint": "east-central wall side, individual workstation with chair and PC monitor",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 10,
            "label": "evidence review desk",
            "category": "furniture",
            "position_hint": "north-central area below exterior windows, wide desk surface used for case materials",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 11,
            "label": "wall monitor bank",
            "category": "prop",
            "position_hint": "east wall, fixed row of screens for CCTV, GPS, and case display",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 12,
            "label": "filing cabinet wall",
            "category": "furniture",
            "position_hint": "west wall within records storage zone, row of tall cabinets and shelves",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 13,
            "label": "printer copier station",
            "category": "prop",
            "position_hint": "southwest corner near records storage zone",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 14,
            "label": "refreshment counter and sink",
            "category": "prop",
            "position_hint": "northeast corner in utility refreshment zone, small counter with sink symbol",
            "base_layer_decision": "base_persistent_fixture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 15,
            "label": "phone being shown",
            "category": "prop",
            "position_hint": "near detective desk area, handheld object shown during night-duty scene; not drawn on base floor plan",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 16,
            "label": "spread investigation photos",
            "category": "prop",
            "position_hint": "on evidence review desk during day aftermath scene; not drawn on base floor plan",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 17,
            "label": "GPS map result on monitor",
            "category": "prop",
            "position_hint": "on one wall monitor during day aftermath scene; not drawn on base floor plan",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          5,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 5, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L13B01": {
        "bg_id": "L13B01",
        "fp_id": "fp_l13_police_office_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          16,
          17
        ],
        "ignore_numbered_elements": [
          15
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared work zone",
            "category": "area",
            "position_hint": "large central open office area occupying most of the plan",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "main entrance door",
            "category": "opening",
            "position_hint": "south wall, slightly west of center, inward-swinging door from corridor",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 3,
            "label": "corridor interior window",
            "category": "opening",
            "position_hint": "south wall, east of the entrance, double-line interior observation window",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 4,
            "label": "exterior office windows",
            "category": "opening",
            "position_hint": "north wall, long row of double-line windows facing outside",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "records storage zone",
            "category": "area",
            "position_hint": "west side strip of the room, beside filing cabinets and shelves",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 6,
            "label": "utility refreshment zone",
            "category": "area",
            "position_hint": "northeast corner, small service counter area",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 7,
            "label": "central desk cluster",
            "category": "furniture",
            "position_hint": "center of shared work zone, four compact office desks grouped back-to-back",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 8,
            "label": "small interview table",
            "category": "furniture",
            "position_hint": "southeast quadrant, near corridor window but inside the office",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 9,
            "label": "detective desk",
            "category": "furniture",
            "position_hint": "east-central wall side, individual workstation with chair and PC monitor",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 10,
            "label": "evidence review desk",
            "category": "furniture",
            "position_hint": "north-central area below exterior windows, wide desk surface used for case materials",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 11,
            "label": "wall monitor bank",
            "category": "prop",
            "position_hint": "east wall, fixed row of screens for CCTV, GPS, and case display",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 12,
            "label": "filing cabinet wall",
            "category": "furniture",
            "position_hint": "west wall within records storage zone, row of tall cabinets and shelves",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 13,
            "label": "printer copier station",
            "category": "prop",
            "position_hint": "southwest corner near records storage zone",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 14,
            "label": "refreshment counter and sink",
            "category": "prop",
            "position_hint": "northeast corner in utility refreshment zone, small counter with sink symbol",
            "base_layer_decision": "base_persistent_fixture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 16,
            "label": "spread investigation photos",
            "category": "prop",
            "position_hint": "on evidence review desk during day aftermath scene; not drawn on base floor plan",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 17,
            "label": "GPS map result on monitor",
            "category": "prop",
            "position_hint": "on one wall monitor during day aftermath scene; not drawn on base floor plan",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 15,
            "label": "phone being shown",
            "category": "prop",
            "position_hint": "near detective desk area, handheld object shown during night-duty scene; not drawn on base floor plan",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          5,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 5, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L15B01": {
        "bg_id": "L15B01",
        "fp_id": "fp_l15_police_street_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "station building frontage",
            "category": "area",
            "position_hint": "north edge of plan, long rectangular building footprint facing the street",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "main entrance door",
            "category": "opening",
            "position_hint": "center of south-facing station frontage, opening onto threshold area",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 3,
            "label": "front window band",
            "category": "opening",
            "position_hint": "south wall of station frontage, to the east of the main entrance",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 4,
            "label": "entrance threshold zone",
            "category": "area",
            "position_hint": "immediately outside number 2 between building frontage and sidewalk",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 5,
            "label": "sidewalk pedestrian zone",
            "category": "area",
            "position_hint": "horizontal band across the middle of plan, between threshold zone and curb",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 6,
            "label": "bike parking bay",
            "category": "area",
            "position_hint": "east side of sidewalk zone, adjacent to curb",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 7,
            "label": "fixed bicycle rack",
            "category": "prop",
            "position_hint": "inside number 6, parallel to the curb",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 8,
            "label": "curb and drainage strip",
            "category": "prop",
            "position_hint": "boundary line between number 5 and number 9, running east-west",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 9,
            "label": "two-lane roadway",
            "category": "area",
            "position_hint": "south half of plan, parallel to the station frontage",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 10,
            "label": "streetlight and CCTV pole",
            "category": "prop",
            "position_hint": "west side of sidewalk near curb, overlooking entrance and roadway",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 11,
            "label": "painted crosswalk edge",
            "category": "prop",
            "position_hint": "southwest portion of roadway, partial zebra marking entering frame",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 12,
            "label": "facade sign panel",
            "category": "prop",
            "position_hint": "on station frontage above or near number 2, represented only as a fixed rectangular panel without readable text",
            "base_layer_decision": "base_persistent_fixture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "departing cyclist with bicycle",
            "category": "prop",
            "position_hint": "overlay only, moving from bike parking and sidewalk area toward the roadway exit direction",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          4,
          5,
          6,
          9
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 4, 5, 6, 9]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L19B01": {
        "bg_id": "L19B01",
        "fp_id": "fp_deck_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16,
          17
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "boat hull perimeter",
            "category": "area",
            "position_hint": "full elongated outer boundary of the boat, centered in the square canvas",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "open working deck zone",
            "category": "area",
            "position_hint": "central and aft deck area between the wheelhouse and stern threshold",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 3,
            "label": "forward wheelhouse block",
            "category": "area",
            "position_hint": "north-central cabin block just behind the bow threshold",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 4,
            "label": "stern threshold zone",
            "category": "area",
            "position_hint": "south end of the boat at the transom edge",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 5,
            "label": "bow threshold zone",
            "category": "area",
            "position_hint": "narrow foredeck area at the north tip of the boat",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 6,
            "label": "port gunwale rail",
            "category": "prop",
            "position_hint": "left side rail running along the working deck",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 7,
            "label": "starboard gunwale rail",
            "category": "prop",
            "position_hint": "right side rail running along the working deck",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 8,
            "label": "wheelhouse aft sliding door",
            "category": "opening",
            "position_hint": "south wall of the wheelhouse facing the open working deck",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 9,
            "label": "wheelhouse front window",
            "category": "opening",
            "position_hint": "north wall of the wheelhouse facing the bow",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 10,
            "label": "wheelhouse side window pair",
            "category": "opening",
            "position_hint": "left and right side walls of the wheelhouse, shown as a paired window symbol",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 11,
            "label": "central fish hold hatch",
            "category": "prop",
            "position_hint": "center of the open working deck",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 12,
            "label": "net drum and line hauler",
            "category": "prop",
            "position_hint": "port side of the open working deck near the wheelhouse rear corner",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 13,
            "label": "bait and tackle storage locker",
            "category": "prop",
            "position_hint": "starboard side of the open working deck near the wheelhouse rear corner",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 14,
            "label": "mast antenna light post",
            "category": "prop",
            "position_hint": "roof center of the wheelhouse block",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 15,
            "label": "stern engine cover",
            "category": "prop",
            "position_hint": "south-central deck just forward of the stern threshold",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 16,
            "label": "bow cleat and anchor locker",
            "category": "prop",
            "position_hint": "center of the bow threshold zone",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 17,
            "label": "fixed low work table",
            "category": "furniture",
            "position_hint": "starboard aft portion of the open working deck",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4,
          5
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": true,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 5]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L20B03": {
        "bg_id": "L20B03",
        "fp_id": "fp_wheelhouse_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11
        ],
        "ignore_numbered_elements": [
          12,
          13
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "compact wheelhouse room envelope",
            "category": "area",
            "position_hint": "overall rectangular cabin boundary, filling the full plan footprint",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "forward helm console with steering wheel",
            "category": "prop",
            "position_hint": "north/forward center of wheelhouse, directly below the front windshield",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 3,
            "label": "throttle and control lever cluster",
            "category": "prop",
            "position_hint": "starboard side of the helm console, within arm reach of number 2",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 4,
            "label": "instrument display and radio panel",
            "category": "prop",
            "position_hint": "above and slightly port of the helm console, facing the operator",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 5,
            "label": "front windshield band",
            "category": "opening",
            "position_hint": "north/forward wall, spanning most of the wheelhouse width",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 6,
            "label": "port side window",
            "category": "opening",
            "position_hint": "west/port wall, forward half of the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 7,
            "label": "starboard side window",
            "category": "opening",
            "position_hint": "east/starboard wall, forward half of the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 8,
            "label": "aft sliding entry door and threshold",
            "category": "opening",
            "position_hint": "south/aft wall, slightly off center, opening into the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 9,
            "label": "narrow standing and circulation strip",
            "category": "area",
            "position_hint": "center and aft-center floor area between the entry door and helm",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 10,
            "label": "compact side bench and storage locker",
            "category": "furniture",
            "position_hint": "port aft corner beside the standing strip",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 11,
            "label": "close-quarters struggle position at helm",
            "category": "prop",
            "position_hint": "immediately around number 2 and number 3, crowding the standing strip near the helm",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 12,
            "label": "old printed photo used as evidence",
            "category": "prop",
            "position_hint": "foreground hand-held position near number 9, pointed toward the helm and forward window area",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 13,
            "label": "subjective disorienting red circle motif",
            "category": "prop",
            "position_hint": "overlay cue centered around the helm view between number 2 and number 5, not part of the physical floor plan",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          9
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 9]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L20B02": {
        "bg_id": "L20B02",
        "fp_id": "fp_wheelhouse_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          12
        ],
        "ignore_numbered_elements": [
          11,
          13
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "compact wheelhouse room envelope",
            "category": "area",
            "position_hint": "overall rectangular cabin boundary, filling the full plan footprint",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "forward helm console with steering wheel",
            "category": "prop",
            "position_hint": "north/forward center of wheelhouse, directly below the front windshield",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 3,
            "label": "throttle and control lever cluster",
            "category": "prop",
            "position_hint": "starboard side of the helm console, within arm reach of number 2",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 4,
            "label": "instrument display and radio panel",
            "category": "prop",
            "position_hint": "above and slightly port of the helm console, facing the operator",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 5,
            "label": "front windshield band",
            "category": "opening",
            "position_hint": "north/forward wall, spanning most of the wheelhouse width",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 6,
            "label": "port side window",
            "category": "opening",
            "position_hint": "west/port wall, forward half of the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 7,
            "label": "starboard side window",
            "category": "opening",
            "position_hint": "east/starboard wall, forward half of the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 8,
            "label": "aft sliding entry door and threshold",
            "category": "opening",
            "position_hint": "south/aft wall, slightly off center, opening into the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 9,
            "label": "narrow standing and circulation strip",
            "category": "area",
            "position_hint": "center and aft-center floor area between the entry door and helm",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 10,
            "label": "compact side bench and storage locker",
            "category": "furniture",
            "position_hint": "port aft corner beside the standing strip",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 12,
            "label": "old printed photo used as evidence",
            "category": "prop",
            "position_hint": "foreground hand-held position near number 9, pointed toward the helm and forward window area",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 11,
            "label": "close-quarters struggle position at helm",
            "category": "prop",
            "position_hint": "immediately around number 2 and number 3, crowding the standing strip near the helm",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 13,
            "label": "subjective disorienting red circle motif",
            "category": "prop",
            "position_hint": "overlay cue centered around the helm view between number 2 and number 5, not part of the physical floor plan",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          9
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 9]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L20B01": {
        "bg_id": "L20B01",
        "fp_id": "fp_wheelhouse_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          13
        ],
        "ignore_numbered_elements": [
          11,
          12
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "compact wheelhouse room envelope",
            "category": "area",
            "position_hint": "overall rectangular cabin boundary, filling the full plan footprint",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 2,
            "label": "forward helm console with steering wheel",
            "category": "prop",
            "position_hint": "north/forward center of wheelhouse, directly below the front windshield",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 3,
            "label": "throttle and control lever cluster",
            "category": "prop",
            "position_hint": "starboard side of the helm console, within arm reach of number 2",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 4,
            "label": "instrument display and radio panel",
            "category": "prop",
            "position_hint": "above and slightly port of the helm console, facing the operator",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 5,
            "label": "front windshield band",
            "category": "opening",
            "position_hint": "north/forward wall, spanning most of the wheelhouse width",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 6,
            "label": "port side window",
            "category": "opening",
            "position_hint": "west/port wall, forward half of the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 7,
            "label": "starboard side window",
            "category": "opening",
            "position_hint": "east/starboard wall, forward half of the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 8,
            "label": "aft sliding entry door and threshold",
            "category": "opening",
            "position_hint": "south/aft wall, slightly off center, opening into the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 9,
            "label": "narrow standing and circulation strip",
            "category": "area",
            "position_hint": "center and aft-center floor area between the entry door and helm",
            "base_layer_decision": "base_structural_unit"
          },
          {
            "number": 10,
            "label": "compact side bench and storage locker",
            "category": "furniture",
            "position_hint": "port aft corner beside the standing strip",
            "base_layer_decision": "base_persistent_furniture"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "subjective disorienting red circle motif",
            "category": "prop",
            "position_hint": "overlay cue centered around the helm view between number 2 and number 5, not part of the physical floor plan",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 11,
            "label": "close-quarters struggle position at helm",
            "category": "prop",
            "position_hint": "immediately around number 2 and number 3, crowding the standing strip near the helm",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "number": 12,
            "label": "old printed photo used as evidence",
            "category": "prop",
            "position_hint": "foreground hand-held position near number 9, pointed toward the helm and forward window area",
            "base_layer_decision": "state_overlay_transient_object"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          9
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 9]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      }
    }
  },
  "step_id": "floor_plan_overlay_payload",
  "run_id": "48d80725-2fcc-4ff2-981c-4d06ce146cb2",
  "resolved_model": "gpt",
  "updated_at": "2026-05-27T13:32:35.781437+00:00",
  "project_config_snapshot": {}
}