{
  "status": "completed",
  "applicable_count": 1,
  "completed_count": 1,
  "failed_count": 0,
  "schema_version": 1,
  "config_hash": "441d5bef641a0569",
  "data": {
    "overlays": {
      "L03B03": {
        "bg_id": "L03B03",
        "fp_id": "fp_l03_rooftop_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9
        ],
        "ignore_numbered_elements": [
          10,
          11,
          12,
          13,
          14
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "rooftop deck",
            "category": "area",
            "position_hint": "broad exterior area surrounding the rooftop room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "rooftop room footprint",
            "category": "area",
            "position_hint": "north to northeast side of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "steel entry door",
            "category": "opening",
            "position_hint": "south-facing wall of the rooftop room near the threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "small sliding window",
            "category": "opening",
            "position_hint": "east-facing wall of the rooftop room, close to the entry corner",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "rooftop water tank",
            "category": "prop",
            "position_hint": "west side of the rooftop deck, separated from the room entrance",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "low wooden drying platform",
            "category": "furniture",
            "position_hint": "central-south portion of the rooftop deck",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "single clothesline run",
            "category": "prop",
            "position_hint": "along the south side of the deck beside the wooden platform",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "stair arrival opening",
            "category": "opening",
            "position_hint": "southwest edge of the rooftop deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "narrow exterior strip directly in front of the steel entry door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 10,
            "label": "dried herb leaves on platform",
            "category": "prop",
            "position_hint": "single scattered cluster on and immediately beside the wooden platform",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "advertising flyer in door seam",
            "category": "prop",
            "position_hint": "door seam of the steel entry door",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "approaching intruder and long shadow",
            "category": "prop",
            "position_hint": "deck path between the wooden platform and the entry threshold",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "slightly opened door state",
            "category": "opening",
            "position_hint": "steel entry door at the rooftop-room threshold",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "attack silhouette behind window",
            "category": "prop",
            "position_hint": "single visible silhouette area behind the small sliding window",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          9
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": true,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 9]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L03B02": {
        "bg_id": "L03B02",
        "fp_id": "fp_l03_rooftop_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "rooftop deck",
            "category": "area",
            "position_hint": "broad exterior area surrounding the rooftop room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "rooftop room footprint",
            "category": "area",
            "position_hint": "north to northeast side of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "steel entry door",
            "category": "opening",
            "position_hint": "south-facing wall of the rooftop room near the threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "small sliding window",
            "category": "opening",
            "position_hint": "east-facing wall of the rooftop room, close to the entry corner",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "rooftop water tank",
            "category": "prop",
            "position_hint": "west side of the rooftop deck, separated from the room entrance",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "low wooden drying platform",
            "category": "furniture",
            "position_hint": "central-south portion of the rooftop deck",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "single clothesline run",
            "category": "prop",
            "position_hint": "along the south side of the deck beside the wooden platform",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "stair arrival opening",
            "category": "opening",
            "position_hint": "southwest edge of the rooftop deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "narrow exterior strip directly in front of the steel entry door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 10,
            "label": "dried herb leaves on platform",
            "category": "prop",
            "position_hint": "single scattered cluster on and immediately beside the wooden platform",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "advertising flyer in door seam",
            "category": "prop",
            "position_hint": "door seam of the steel entry door",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "approaching intruder and long shadow",
            "category": "prop",
            "position_hint": "deck path between the wooden platform and the entry threshold",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "slightly opened door state",
            "category": "opening",
            "position_hint": "steel entry door at the rooftop-room threshold",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "attack silhouette behind window",
            "category": "prop",
            "position_hint": "single visible silhouette area behind the small sliding window",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          2,
          9
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 9]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B01": {
        "bg_id": "L04B01",
        "fp_id": "fp_l04_rooftop_room_interior",
        "use_numbered_elements": [
          1,
          2,
          3,
          7,
          11,
          13,
          14,
          17,
          18,
          19,
          20,
          24,
          25
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42,
          43,
          44,
          45
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "southwest edge of the dwelling, immediately inside the steel entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "shared living and dining zone",
            "category": "area",
            "position_hint": "central and western portion of the dwelling",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "kitchenette service zone",
            "category": "area",
            "position_hint": "northwest wall of the shared zone",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "southwest exterior wall, opening into the entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "small living window",
            "category": "opening",
            "position_hint": "west exterior wall of the shared living zone",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "kitchen sink and faucet",
            "category": "prop",
            "position_hint": "northwest kitchenette counter run",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "kitchen stovetop",
            "category": "prop",
            "position_hint": "northwest kitchenette counter, east of the sink",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "television console",
            "category": "furniture",
            "position_hint": "north wall of the shared living zone, facing the seating and dining area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "dining table",
            "category": "furniture",
            "position_hint": "center of the shared living and dining zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 24,
            "label": "living floor lamp",
            "category": "furniture",
            "position_hint": "southwest corner of the shared living zone, clear of the entrance swing",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "built-in kitchenette counter",
            "category": "furniture",
            "position_hint": "single contiguous counter run along the northwest wall",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "upright teacup",
            "category": "prop",
            "position_hint": "north side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "overturned teacup",
            "category": "prop",
            "position_hint": "south side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "cooled cooking pot",
            "category": "prop",
            "position_hint": "on the stovetop in the kitchenette during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "blood pool",
            "category": "prop",
            "position_hint": "single contiguous pool on the daughter bedroom floor beside the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail across the daughter bedroom floor toward the curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "seated victim body",
            "category": "prop",
            "position_hint": "single location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "reddened wrist mark",
            "category": "prop",
            "position_hint": "on the wrist of the body behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "crime-night red wall circle",
            "category": "prop",
            "position_hint": "daughter bedroom wall above the bed during the crime-night state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack",
            "category": "prop",
            "position_hint": "floor beside the daughter bed in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "shifted doll",
            "category": "prop",
            "position_hint": "bedside corner of the daughter bedroom in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "hallucinated bathroom red circle",
            "category": "prop",
            "position_hint": "single spot on the bathroom wall near the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "melting portrait face hallucination",
            "category": "prop",
            "position_hint": "family portrait resting on the dining table during the morning hallucination",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "bloody old photograph",
            "category": "prop",
            "position_hint": "pinned to the daughter bedroom wall above the bed",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "red circle around photograph",
            "category": "prop",
            "position_hint": "single wall location surrounding the pinned photograph above the daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "intrusion footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail from the entrance through the shared zone",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "overturned west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "overturned east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west exterior wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 44,
            "label": "rummaged household goods cluster",
            "category": "prop",
            "position_hint": "single contiguous cluster on the floor between the dining table and kitchenette",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 45,
            "label": "elongated dusk door shadow",
            "category": "prop",
            "position_hint": "single shadow extending inward from the steel entrance in the dusk state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": true,
        "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)"
        ]
      },
      "L04B06": {
        "bg_id": "L04B06",
        "fp_id": "fp_l04_rooftop_room_interior",
        "use_numbered_elements": [
          2,
          3,
          5,
          7,
          9,
          11,
          12,
          13,
          14,
          17,
          18,
          19,
          20,
          22,
          23,
          24,
          25,
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33
        ],
        "ignore_numbered_elements": [
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42,
          43,
          44,
          45
        ],
        "base_markers_to_reference": [
          {
            "number": 2,
            "label": "shared living and dining zone",
            "category": "area",
            "position_hint": "central and western portion of the dwelling",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "kitchenette service zone",
            "category": "area",
            "position_hint": "northwest wall of the shared zone",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "southeast private room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "southwest exterior wall, opening into the entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "east side of the shared zone, opening into the southeast bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "small living window",
            "category": "opening",
            "position_hint": "west exterior wall of the shared living zone",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter bedroom window",
            "category": "opening",
            "position_hint": "east exterior wall of the daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "kitchen sink and faucet",
            "category": "prop",
            "position_hint": "northwest kitchenette counter run",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "kitchen stovetop",
            "category": "prop",
            "position_hint": "northwest kitchenette counter, east of the sink",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "television console",
            "category": "furniture",
            "position_hint": "north wall of the shared living zone, facing the seating and dining area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "dining table",
            "category": "furniture",
            "position_hint": "center of the shared living and dining zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "north wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 23,
            "label": "daughter bedroom curtain",
            "category": "prop",
            "position_hint": "directly inside the daughter bedroom window on the east wall",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 24,
            "label": "living floor lamp",
            "category": "furniture",
            "position_hint": "southwest corner of the shared living zone, clear of the entrance swing",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "built-in kitchenette counter",
            "category": "furniture",
            "position_hint": "single contiguous counter run along the northwest wall",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 26,
            "label": "upright teacup",
            "category": "prop",
            "position_hint": "north side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "overturned teacup",
            "category": "prop",
            "position_hint": "south side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "cooled cooking pot",
            "category": "prop",
            "position_hint": "on the stovetop in the kitchenette during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "blood pool",
            "category": "prop",
            "position_hint": "single contiguous pool on the daughter bedroom floor beside the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail across the daughter bedroom floor toward the curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "seated victim body",
            "category": "prop",
            "position_hint": "single location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "reddened wrist mark",
            "category": "prop",
            "position_hint": "on the wrist of the body behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "crime-night red wall circle",
            "category": "prop",
            "position_hint": "daughter bedroom wall above the bed during the crime-night state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 34,
            "label": "shifted backpack",
            "category": "prop",
            "position_hint": "floor beside the daughter bed in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "shifted doll",
            "category": "prop",
            "position_hint": "bedside corner of the daughter bedroom in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "hallucinated bathroom red circle",
            "category": "prop",
            "position_hint": "single spot on the bathroom wall near the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "melting portrait face hallucination",
            "category": "prop",
            "position_hint": "family portrait resting on the dining table during the morning hallucination",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "bloody old photograph",
            "category": "prop",
            "position_hint": "pinned to the daughter bedroom wall above the bed",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "red circle around photograph",
            "category": "prop",
            "position_hint": "single wall location surrounding the pinned photograph above the daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "intrusion footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail from the entrance through the shared zone",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "overturned west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "overturned east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west exterior wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 44,
            "label": "rummaged household goods cluster",
            "category": "prop",
            "position_hint": "single contiguous cluster on the floor between the dining table and kitchenette",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 45,
            "label": "elongated dusk door shadow",
            "category": "prop",
            "position_hint": "single shadow extending inward from the steel entrance in the dusk state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          2,
          3,
          5
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([2, 3, 5]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B07": {
        "bg_id": "L04B07",
        "fp_id": "fp_l04_rooftop_room_interior",
        "use_numbered_elements": [
          2,
          5,
          9,
          12,
          18,
          22,
          23,
          34,
          35
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          36,
          37,
          38,
          39,
          40,
          41,
          42,
          43,
          44,
          45
        ],
        "base_markers_to_reference": [
          {
            "number": 2,
            "label": "shared living and dining zone",
            "category": "area",
            "position_hint": "central and western portion of the dwelling",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "southeast private room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "east side of the shared zone, opening into the southeast bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter bedroom window",
            "category": "opening",
            "position_hint": "east exterior wall of the daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "dining table",
            "category": "furniture",
            "position_hint": "center of the shared living and dining zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "north wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 23,
            "label": "daughter bedroom curtain",
            "category": "prop",
            "position_hint": "directly inside the daughter bedroom window on the east wall",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 34,
            "label": "shifted backpack",
            "category": "prop",
            "position_hint": "floor beside the daughter bed in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "shifted doll",
            "category": "prop",
            "position_hint": "bedside corner of the daughter bedroom in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "upright teacup",
            "category": "prop",
            "position_hint": "north side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "overturned teacup",
            "category": "prop",
            "position_hint": "south side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "cooled cooking pot",
            "category": "prop",
            "position_hint": "on the stovetop in the kitchenette during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "blood pool",
            "category": "prop",
            "position_hint": "single contiguous pool on the daughter bedroom floor beside the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail across the daughter bedroom floor toward the curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "seated victim body",
            "category": "prop",
            "position_hint": "single location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "reddened wrist mark",
            "category": "prop",
            "position_hint": "on the wrist of the body behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "crime-night red wall circle",
            "category": "prop",
            "position_hint": "daughter bedroom wall above the bed during the crime-night state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "hallucinated bathroom red circle",
            "category": "prop",
            "position_hint": "single spot on the bathroom wall near the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "melting portrait face hallucination",
            "category": "prop",
            "position_hint": "family portrait resting on the dining table during the morning hallucination",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "bloody old photograph",
            "category": "prop",
            "position_hint": "pinned to the daughter bedroom wall above the bed",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "red circle around photograph",
            "category": "prop",
            "position_hint": "single wall location surrounding the pinned photograph above the daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "intrusion footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail from the entrance through the shared zone",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "overturned west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "overturned east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west exterior wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 44,
            "label": "rummaged household goods cluster",
            "category": "prop",
            "position_hint": "single contiguous cluster on the floor between the dining table and kitchenette",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 45,
            "label": "elongated dusk door shadow",
            "category": "prop",
            "position_hint": "single shadow extending inward from the steel entrance in the dusk state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          2,
          5
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([2, 5]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B05": {
        "bg_id": "L04B05",
        "fp_id": "fp_l04_rooftop_room_interior",
        "use_numbered_elements": [
          2,
          4,
          5,
          6,
          8,
          9,
          10,
          11,
          12,
          16,
          18,
          21,
          22,
          23
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42,
          43,
          44,
          45
        ],
        "base_markers_to_reference": [
          {
            "number": 2,
            "label": "shared living and dining zone",
            "category": "area",
            "position_hint": "central and western portion of the dwelling",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "mother bedroom",
            "category": "area",
            "position_hint": "northeast private room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "southeast private room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "bathroom",
            "category": "area",
            "position_hint": "south-central service room beside the entry",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "mother bedroom door",
            "category": "opening",
            "position_hint": "east side of the shared zone, opening into the northeast bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "east side of the shared zone, opening into the southeast bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "bathroom door",
            "category": "opening",
            "position_hint": "south-central interior partition beside the entry",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "small living window",
            "category": "opening",
            "position_hint": "west exterior wall of the shared living zone",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter bedroom window",
            "category": "opening",
            "position_hint": "east exterior wall of the daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "bathroom washbasin",
            "category": "prop",
            "position_hint": "north wall of the bathroom near its door",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "dining table",
            "category": "furniture",
            "position_hint": "center of the shared living and dining zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 21,
            "label": "mother bed",
            "category": "furniture",
            "position_hint": "east wall of the mother bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "north wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 23,
            "label": "daughter bedroom curtain",
            "category": "prop",
            "position_hint": "directly inside the daughter bedroom window on the east wall",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "upright teacup",
            "category": "prop",
            "position_hint": "north side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "overturned teacup",
            "category": "prop",
            "position_hint": "south side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "cooled cooking pot",
            "category": "prop",
            "position_hint": "on the stovetop in the kitchenette during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "blood pool",
            "category": "prop",
            "position_hint": "single contiguous pool on the daughter bedroom floor beside the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail across the daughter bedroom floor toward the curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "seated victim body",
            "category": "prop",
            "position_hint": "single location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "reddened wrist mark",
            "category": "prop",
            "position_hint": "on the wrist of the body behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "crime-night red wall circle",
            "category": "prop",
            "position_hint": "daughter bedroom wall above the bed during the crime-night state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack",
            "category": "prop",
            "position_hint": "floor beside the daughter bed in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "shifted doll",
            "category": "prop",
            "position_hint": "bedside corner of the daughter bedroom in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "hallucinated bathroom red circle",
            "category": "prop",
            "position_hint": "single spot on the bathroom wall near the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "melting portrait face hallucination",
            "category": "prop",
            "position_hint": "family portrait resting on the dining table during the morning hallucination",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "bloody old photograph",
            "category": "prop",
            "position_hint": "pinned to the daughter bedroom wall above the bed",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "red circle around photograph",
            "category": "prop",
            "position_hint": "single wall location surrounding the pinned photograph above the daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "intrusion footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail from the entrance through the shared zone",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "overturned west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "overturned east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west exterior wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 44,
            "label": "rummaged household goods cluster",
            "category": "prop",
            "position_hint": "single contiguous cluster on the floor between the dining table and kitchenette",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 45,
            "label": "elongated dusk door shadow",
            "category": "prop",
            "position_hint": "single shadow extending inward from the steel entrance in the dusk state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          2,
          4,
          5,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": true,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([2, 4, 5, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B04": {
        "bg_id": "L04B04",
        "fp_id": "fp_l04_rooftop_room_interior",
        "use_numbered_elements": [
          2,
          6,
          10,
          16,
          18,
          36,
          37
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          38,
          39,
          40,
          41,
          42,
          43,
          44,
          45
        ],
        "base_markers_to_reference": [
          {
            "number": 2,
            "label": "shared living and dining zone",
            "category": "area",
            "position_hint": "central and western portion of the dwelling",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "bathroom",
            "category": "area",
            "position_hint": "south-central service room beside the entry",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "bathroom door",
            "category": "opening",
            "position_hint": "south-central interior partition beside the entry",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "bathroom washbasin",
            "category": "prop",
            "position_hint": "north wall of the bathroom near its door",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "dining table",
            "category": "furniture",
            "position_hint": "center of the shared living and dining zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 36,
            "label": "hallucinated bathroom red circle",
            "category": "prop",
            "position_hint": "single spot on the bathroom wall near the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "melting portrait face hallucination",
            "category": "prop",
            "position_hint": "family portrait resting on the dining table during the morning hallucination",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "upright teacup",
            "category": "prop",
            "position_hint": "north side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "overturned teacup",
            "category": "prop",
            "position_hint": "south side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "cooled cooking pot",
            "category": "prop",
            "position_hint": "on the stovetop in the kitchenette during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "blood pool",
            "category": "prop",
            "position_hint": "single contiguous pool on the daughter bedroom floor beside the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail across the daughter bedroom floor toward the curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "seated victim body",
            "category": "prop",
            "position_hint": "single location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "reddened wrist mark",
            "category": "prop",
            "position_hint": "on the wrist of the body behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "crime-night red wall circle",
            "category": "prop",
            "position_hint": "daughter bedroom wall above the bed during the crime-night state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack",
            "category": "prop",
            "position_hint": "floor beside the daughter bed in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "shifted doll",
            "category": "prop",
            "position_hint": "bedside corner of the daughter bedroom in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "bloody old photograph",
            "category": "prop",
            "position_hint": "pinned to the daughter bedroom wall above the bed",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "red circle around photograph",
            "category": "prop",
            "position_hint": "single wall location surrounding the pinned photograph above the daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "intrusion footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail from the entrance through the shared zone",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "overturned west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "overturned east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west exterior wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 44,
            "label": "rummaged household goods cluster",
            "category": "prop",
            "position_hint": "single contiguous cluster on the floor between the dining table and kitchenette",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 45,
            "label": "elongated dusk door shadow",
            "category": "prop",
            "position_hint": "single shadow extending inward from the steel entrance in the dusk state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          2,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([2, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B02": {
        "bg_id": "L04B02",
        "fp_id": "fp_l04_rooftop_room_interior",
        "use_numbered_elements": [
          5,
          9,
          12,
          22,
          23,
          38,
          39
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          40,
          41,
          42,
          43,
          44,
          45
        ],
        "base_markers_to_reference": [
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "southeast private room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "east side of the shared zone, opening into the southeast bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter bedroom window",
            "category": "opening",
            "position_hint": "east exterior wall of the daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "north wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 23,
            "label": "daughter bedroom curtain",
            "category": "prop",
            "position_hint": "directly inside the daughter bedroom window on the east wall",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 38,
            "label": "bloody old photograph",
            "category": "prop",
            "position_hint": "pinned to the daughter bedroom wall above the bed",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "red circle around photograph",
            "category": "prop",
            "position_hint": "single wall location surrounding the pinned photograph above the daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "upright teacup",
            "category": "prop",
            "position_hint": "north side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "overturned teacup",
            "category": "prop",
            "position_hint": "south side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "cooled cooking pot",
            "category": "prop",
            "position_hint": "on the stovetop in the kitchenette during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "blood pool",
            "category": "prop",
            "position_hint": "single contiguous pool on the daughter bedroom floor beside the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail across the daughter bedroom floor toward the curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "seated victim body",
            "category": "prop",
            "position_hint": "single location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "reddened wrist mark",
            "category": "prop",
            "position_hint": "on the wrist of the body behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "crime-night red wall circle",
            "category": "prop",
            "position_hint": "daughter bedroom wall above the bed during the crime-night state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack",
            "category": "prop",
            "position_hint": "floor beside the daughter bed in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "shifted doll",
            "category": "prop",
            "position_hint": "bedside corner of the daughter bedroom in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "hallucinated bathroom red circle",
            "category": "prop",
            "position_hint": "single spot on the bathroom wall near the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "melting portrait face hallucination",
            "category": "prop",
            "position_hint": "family portrait resting on the dining table during the morning hallucination",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "intrusion footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail from the entrance through the shared zone",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "overturned west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "overturned east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west exterior wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 44,
            "label": "rummaged household goods cluster",
            "category": "prop",
            "position_hint": "single contiguous cluster on the floor between the dining table and kitchenette",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 45,
            "label": "elongated dusk door shadow",
            "category": "prop",
            "position_hint": "single shadow extending inward from the steel entrance in the dusk state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          5
        ],
        "dominant_target_unit_marker_number": 5,
        "clean_background_expected": false,
        "diagnostics": []
      },
      "L04B03": {
        "bg_id": "L04B03",
        "fp_id": "fp_l04_rooftop_room_interior",
        "use_numbered_elements": [
          1,
          2,
          3,
          5,
          7,
          9,
          11,
          17,
          18,
          19,
          20,
          22,
          25,
          40,
          41,
          42,
          43,
          44,
          45
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "southwest edge of the dwelling, immediately inside the steel entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "shared living and dining zone",
            "category": "area",
            "position_hint": "central and western portion of the dwelling",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "kitchenette service zone",
            "category": "area",
            "position_hint": "northwest wall of the shared zone",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "southeast private room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "southwest exterior wall, opening into the entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "east side of the shared zone, opening into the southeast bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "small living window",
            "category": "opening",
            "position_hint": "west exterior wall of the shared living zone",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "television console",
            "category": "furniture",
            "position_hint": "north wall of the shared living zone, facing the seating and dining area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "dining table",
            "category": "furniture",
            "position_hint": "center of the shared living and dining zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "north wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "built-in kitchenette counter",
            "category": "furniture",
            "position_hint": "single contiguous counter run along the northwest wall",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 40,
            "label": "intrusion footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail from the entrance through the shared zone",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "overturned west dining chair",
            "category": "furniture",
            "position_hint": "west side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "overturned east dining chair",
            "category": "furniture",
            "position_hint": "east side of the dining table in the ransacked state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west exterior wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 44,
            "label": "rummaged household goods cluster",
            "category": "prop",
            "position_hint": "single contiguous cluster on the floor between the dining table and kitchenette",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 45,
            "label": "elongated dusk door shadow",
            "category": "prop",
            "position_hint": "single shadow extending inward from the steel entrance in the dusk state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "upright teacup",
            "category": "prop",
            "position_hint": "north side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "overturned teacup",
            "category": "prop",
            "position_hint": "south side of the dining tabletop during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "cooled cooking pot",
            "category": "prop",
            "position_hint": "on the stovetop in the kitchenette during the crime-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "blood pool",
            "category": "prop",
            "position_hint": "single contiguous pool on the daughter bedroom floor beside the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "contiguous trail across the daughter bedroom floor toward the curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "seated victim body",
            "category": "prop",
            "position_hint": "single location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "reddened wrist mark",
            "category": "prop",
            "position_hint": "on the wrist of the body behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "crime-night red wall circle",
            "category": "prop",
            "position_hint": "daughter bedroom wall above the bed during the crime-night state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack",
            "category": "prop",
            "position_hint": "floor beside the daughter bed in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "shifted doll",
            "category": "prop",
            "position_hint": "bedside corner of the daughter bedroom in the spotless-night state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "hallucinated bathroom red circle",
            "category": "prop",
            "position_hint": "single spot on the bathroom wall near the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "melting portrait face hallucination",
            "category": "prop",
            "position_hint": "family portrait resting on the dining table during the morning hallucination",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "bloody old photograph",
            "category": "prop",
            "position_hint": "pinned to the daughter bedroom wall above the bed",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "red circle around photograph",
            "category": "prop",
            "position_hint": "single wall location surrounding the pinned photograph above the daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          5
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 5]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L11B02": {
        "bg_id": "L11B02",
        "fp_id": "fp_l11_courtyard",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9
        ],
        "ignore_numbered_elements": [
          10,
          11
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared courtyard",
            "category": "area",
            "position_hint": "center of the enclosed residential lot",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "residential building footprint",
            "category": "area",
            "position_hint": "north and east side of the courtyard as one contiguous L-shaped building mass",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "alley entrance door",
            "category": "opening",
            "position_hint": "southwest courtyard boundary between the alley and courtyard",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "bicycle parking nook",
            "category": "area",
            "position_hint": "rear northwest corner of the courtyard",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "exterior stair base",
            "category": "area",
            "position_hint": "east side of the courtyard against the building facade",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "vehicle arrival edge",
            "category": "area",
            "position_hint": "outside the southwest entrance along the alley edge",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "south boundary wall",
            "category": "area",
            "position_hint": "single contiguous low wall along the south side of the courtyard",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "rooftop-room window alignment",
            "category": "opening",
            "position_hint": "north courtyard-facing facade, aligned above the stair destination",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 9,
            "label": "arriving police vehicle",
            "category": "prop",
            "position_hint": "vehicle arrival edge outside the courtyard entrance",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 10,
            "label": "black cat on wall",
            "category": "prop",
            "position_hint": "top of the south boundary wall facing the residential building",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "illuminated rooftop-room window",
            "category": "prop",
            "position_hint": "at the rooftop-room window alignment above the north courtyard facade",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          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, 4, 5, 6, 7]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L11B01": {
        "bg_id": "L11B01",
        "fp_id": "fp_l11_courtyard",
        "use_numbered_elements": [
          1,
          2,
          5,
          7,
          8,
          10,
          11
        ],
        "ignore_numbered_elements": [
          9
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared courtyard",
            "category": "area",
            "position_hint": "center of the enclosed residential lot",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "residential building footprint",
            "category": "area",
            "position_hint": "north and east side of the courtyard as one contiguous L-shaped building mass",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "exterior stair base",
            "category": "area",
            "position_hint": "east side of the courtyard against the building facade",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "south boundary wall",
            "category": "area",
            "position_hint": "single contiguous low wall along the south side of the courtyard",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "rooftop-room window alignment",
            "category": "opening",
            "position_hint": "north courtyard-facing facade, aligned above the stair destination",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 10,
            "label": "black cat on wall",
            "category": "prop",
            "position_hint": "top of the south boundary wall facing the residential building",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "illuminated rooftop-room window",
            "category": "prop",
            "position_hint": "at the rooftop-room window alignment above the north courtyard facade",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 9,
            "label": "arriving police vehicle",
            "category": "prop",
            "position_hint": "vehicle arrival edge outside the courtyard entrance",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          5,
          7
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 5, 7]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L12B03": {
        "bg_id": "L12B03",
        "fp_id": "fp_l12_exterior_stairs",
        "use_numbered_elements": [
          3,
          4,
          5,
          6,
          7,
          9,
          10,
          11,
          12,
          13,
          14
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 3,
            "label": "turning landing",
            "category": "area",
            "position_hint": "northwest side between the lower and upper stair flights",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "upper stair flight",
            "category": "area",
            "position_hint": "east of the lower flight, connecting the turning landing to the rooftop",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "rooftop circulation zone",
            "category": "area",
            "position_hint": "north and east of the upper stair arrival",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "rooftop entry threshold",
            "category": "area",
            "position_hint": "east edge of the rooftop circulation zone directly outside the entrance door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "rooftop room footprint",
            "category": "area",
            "position_hint": "east side of the plan beyond the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "upper stair guardrail",
            "category": "prop",
            "position_hint": "single contiguous outer-edge run beside the upper stair flight",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "iron entrance door",
            "category": "opening",
            "position_hint": "west wall of the rooftop room, opening from the rooftop threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "rooftop water tank",
            "category": "prop",
            "position_hint": "far north corner of the rooftop circulation zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "clothesline",
            "category": "prop",
            "position_hint": "single straight run along the north side of the rooftop circulation zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "rooftop parapet run",
            "category": "prop",
            "position_hint": "single contiguous roof-edge run beside the upper stair arrival",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 14,
            "label": "half-open breached door state",
            "category": "opening",
            "position_hint": "at the iron entrance door and dark rooftop-room threshold; overlay only",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          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 ([3, 4, 5, 6, 7]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L09B02": {
        "bg_id": "L09B02",
        "fp_id": "fp_l09_sales_floor",
        "use_numbered_elements": [
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 2,
            "label": "automatic sliding entrance",
            "category": "opening",
            "position_hint": "south wall, between the entrance vestibule and main sales floor",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "main sales floor",
            "category": "area",
            "position_hint": "large central and western portion of the plan",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "checkout service zone",
            "category": "area",
            "position_hint": "southeast corner of the sales floor, beside the entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "checkout counter bank",
            "category": "furniture",
            "position_hint": "inside the checkout service zone, aligned north-south near the east side",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "west gondola aisle",
            "category": "furniture",
            "position_hint": "western side of the main sales floor, aligned north-south",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "center gondola aisle",
            "category": "furniture",
            "position_hint": "center of the main sales floor, aligned north-south",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "east gondola aisle",
            "category": "furniture",
            "position_hint": "eastern side of the main sales floor, aligned north-south and west of the checkout zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "refrigerated utility strip",
            "category": "area",
            "position_hint": "narrow continuous zone along the north wall",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "refrigerated case run",
            "category": "furniture",
            "position_hint": "single contiguous fixture run against the north wall within the utility strip",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "ceiling-mounted CCTV position",
            "category": "prop",
            "position_hint": "northeast ceiling corner above the end of the refrigerated case run",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          3,
          4,
          9
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": true,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([3, 4, 9]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L15B03": {
        "bg_id": "L15B03",
        "fp_id": "fp_l15_security_office",
        "use_numbered_elements": [
          1,
          2,
          3,
          5,
          6,
          7,
          8,
          10,
          11
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "monitor workstation zone",
            "category": "area",
            "position_hint": "north side of the security office around the monitor desk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "standing review zone",
            "category": "area",
            "position_hint": "open central and southern portion of the security office behind the operator chair",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "administrative storage zone",
            "category": "area",
            "position_hint": "narrow strip along the east wall",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "monitor desk",
            "category": "furniture",
            "position_hint": "centered against the north wall within the workstation zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "contiguous monitor bank",
            "category": "prop",
            "position_hint": "single contiguous row on the north side of the monitor desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "operator chair",
            "category": "furniture",
            "position_hint": "directly south of the monitor desk, facing north",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "built-in file cabinet",
            "category": "furniture",
            "position_hint": "east wall within the administrative storage zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "interior corridor window",
            "category": "opening",
            "position_hint": "east wall south of the built-in file cabinet",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 11,
            "label": "unusually dark CCTV image",
            "category": "prop",
            "position_hint": "confined to one selected display within the contiguous monitor bank",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "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)"
        ]
      },
      "L14B04": {
        "bg_id": "L14B04",
        "fp_id": "fp_l14_detective_office",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          7,
          8,
          10
        ],
        "ignore_numbered_elements": [
          15,
          16,
          17,
          18
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared office work zone",
            "category": "area",
            "position_hint": "main rectangular interior occupying most of the plan",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "central circulation aisle",
            "category": "area",
            "position_hint": "centerline from the south entrance toward the north wall, between the two desks",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entrance threshold",
            "category": "area",
            "position_hint": "south wall, immediately inside the office entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "entrance door",
            "category": "opening",
            "position_hint": "south wall at the entrance threshold, with an inward swing",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "lead detective desk",
            "category": "furniture",
            "position_hint": "west-central side of the shared work zone, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "duty detective desk",
            "category": "furniture",
            "position_hint": "east-central side of the shared work zone, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "duty desk chair",
            "category": "furniture",
            "position_hint": "east side of the duty detective desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "duty-desk monitor",
            "category": "prop",
            "position_hint": "north edge of the duty detective desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 15,
            "label": "case photographs on lead desk",
            "category": "prop",
            "position_hint": "single spread centered on the top of the lead detective desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "GPS result on duty monitor",
            "category": "prop",
            "position_hint": "display surface of the duty-desk monitor",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "signing forms",
            "category": "prop",
            "position_hint": "single paperwork stack on the duty detective desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "coordinate note and pen",
            "category": "prop",
            "position_hint": "single writing spot near the duty workstation",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": true,
        "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)"
        ]
      },
      "L14B01": {
        "bg_id": "L14B01",
        "fp_id": "fp_l14_detective_office",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          17
        ],
        "ignore_numbered_elements": [
          15,
          16,
          18
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared office work zone",
            "category": "area",
            "position_hint": "main rectangular interior occupying most of the plan",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "central circulation aisle",
            "category": "area",
            "position_hint": "centerline from the south entrance toward the north wall, between the two desks",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entrance threshold",
            "category": "area",
            "position_hint": "south wall, immediately inside the office entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "entrance door",
            "category": "opening",
            "position_hint": "south wall at the entrance threshold, with an inward swing",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "lead detective desk",
            "category": "furniture",
            "position_hint": "west-central side of the shared work zone, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "lead desk chair",
            "category": "furniture",
            "position_hint": "west side of the lead detective desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "duty detective desk",
            "category": "furniture",
            "position_hint": "east-central side of the shared work zone, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "duty desk chair",
            "category": "furniture",
            "position_hint": "east side of the duty detective desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "lead-desk monitor",
            "category": "prop",
            "position_hint": "north edge of the lead detective desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "duty-desk monitor",
            "category": "prop",
            "position_hint": "north edge of the duty detective desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "document storage cabinet",
            "category": "furniture",
            "position_hint": "north wall, west of the coffee service nook",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "coffee dispenser",
            "category": "prop",
            "position_hint": "northeast corner against the wall",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "coffee service nook",
            "category": "area",
            "position_hint": "northeast corner surrounding the coffee dispenser",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "storage utility strip",
            "category": "area",
            "position_hint": "narrow zone along the north wall around the document cabinet",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 17,
            "label": "signing forms",
            "category": "prop",
            "position_hint": "single paperwork stack on the duty detective desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 15,
            "label": "case photographs on lead desk",
            "category": "prop",
            "position_hint": "single spread centered on the top of the lead detective desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "GPS result on duty monitor",
            "category": "prop",
            "position_hint": "display surface of the duty-desk monitor",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "coordinate note and pen",
            "category": "prop",
            "position_hint": "single writing spot near the duty workstation",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          13,
          14
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 13, 14]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L14B03": {
        "bg_id": "L14B03",
        "fp_id": "fp_l14_detective_office",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          15,
          16,
          18
        ],
        "ignore_numbered_elements": [
          17
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared office work zone",
            "category": "area",
            "position_hint": "main rectangular interior occupying most of the plan",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "central circulation aisle",
            "category": "area",
            "position_hint": "centerline from the south entrance toward the north wall, between the two desks",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entrance threshold",
            "category": "area",
            "position_hint": "south wall, immediately inside the office entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "entrance door",
            "category": "opening",
            "position_hint": "south wall at the entrance threshold, with an inward swing",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "lead detective desk",
            "category": "furniture",
            "position_hint": "west-central side of the shared work zone, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "lead desk chair",
            "category": "furniture",
            "position_hint": "west side of the lead detective desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "duty detective desk",
            "category": "furniture",
            "position_hint": "east-central side of the shared work zone, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "duty desk chair",
            "category": "furniture",
            "position_hint": "east side of the duty detective desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "lead-desk monitor",
            "category": "prop",
            "position_hint": "north edge of the lead detective desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "duty-desk monitor",
            "category": "prop",
            "position_hint": "north edge of the duty detective desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 15,
            "label": "case photographs on lead desk",
            "category": "prop",
            "position_hint": "single spread centered on the top of the lead detective desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "GPS result on duty monitor",
            "category": "prop",
            "position_hint": "display surface of the duty-desk monitor",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "coordinate note and pen",
            "category": "prop",
            "position_hint": "single writing spot near the duty workstation",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 17,
            "label": "signing forms",
            "category": "prop",
            "position_hint": "single paperwork stack on the duty detective desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "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)"
        ]
      },
      "L20B02": {
        "bg_id": "L20B02",
        "fp_id": "fp_l20_boat_deck",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          8,
          9,
          10,
          12,
          13
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "aft working deck",
            "category": "area",
            "position_hint": "broad open area across the aft half of the vessel",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "wheelhouse control area",
            "category": "area",
            "position_hint": "enclosed rectangular cabin forward of the aft working deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "wheelhouse access threshold",
            "category": "area",
            "position_hint": "narrow strip immediately aft of the wheelhouse door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "wheelhouse access door",
            "category": "opening",
            "position_hint": "aft wall of the wheelhouse, slightly starboard of center",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "port gunwale",
            "category": "area",
            "position_hint": "continuous narrow rail along the port edge of the open deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "starboard gunwale",
            "category": "area",
            "position_hint": "continuous narrow rail along the starboard edge of the open deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "aft wheelhouse window",
            "category": "opening",
            "position_hint": "aft wall of the wheelhouse, immediately port of the access door",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "port side passage",
            "category": "area",
            "position_hint": "narrow passage between the port gunwale and wheelhouse side wall",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "starboard side passage",
            "category": "area",
            "position_hint": "narrow passage between the starboard gunwale and wheelhouse side wall",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 12,
            "label": "handheld map",
            "category": "prop",
            "position_hint": "temporary handheld object within the aft-deck conversation position; do not draw on the base diagram",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "printed photograph",
            "category": "prop",
            "position_hint": "temporary handheld object within the aft-deck conversation position; do not draw on the base diagram",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          5,
          6,
          9,
          10
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 5, 6, 9, 10]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L21B04": {
        "bg_id": "L21B04",
        "fp_id": "fp_l21_wheelhouse",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "wheelhouse interior",
            "category": "area",
            "position_hint": "inside the compact rectangular wheelhouse envelope, marker near the southwest interior corner",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "central standing clearance",
            "category": "area",
            "position_hint": "center of the wheelhouse between the aft doorway and helm station",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "helm wheel",
            "category": "furniture",
            "position_hint": "forward wall, slightly starboard of center",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "control console",
            "category": "furniture",
            "position_hint": "forward wall directly beneath the forward windows",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "throttle control",
            "category": "furniture",
            "position_hint": "starboard end of the forward control console",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "compact helm seat",
            "category": "furniture",
            "position_hint": "immediately aft of the helm wheel, offset slightly to starboard",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "center forward window",
            "category": "opening",
            "position_hint": "center of the forward wall above the helm console",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "port forward window",
            "category": "opening",
            "position_hint": "port section of the forward wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "starboard forward window",
            "category": "opening",
            "position_hint": "starboard section of the forward wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "port side window",
            "category": "opening",
            "position_hint": "forward half of the port wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "starboard side window",
            "category": "opening",
            "position_hint": "forward half of the starboard wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "aft doorway",
            "category": "opening",
            "position_hint": "center of the aft wall, opening onto the exterior deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "aft exterior deck strip",
            "category": "area",
            "position_hint": "narrow deck strip immediately outside the aft doorway",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 14,
            "label": "subjective circular distortion cluster",
            "category": "prop",
            "position_hint": "one compact perceived overlay region above the forward control console",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "subjective red circle",
            "category": "prop",
            "position_hint": "single perceived overlay spot in the starboard-forward visual field",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "held printed photograph",
            "category": "prop",
            "position_hint": "single hand-held position within the central standing clearance",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          2,
          13
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 13]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      }
    }
  },
  "step_id": "floor_plan_overlay_payload",
  "run_id": "b4337749-cee9-4113-9993-4f0894448fd3",
  "resolved_model": "gpt",
  "updated_at": "2026-07-16T23:54:27.936036+00:00",
  "project_config_snapshot": {}
}