{
  "status": "completed",
  "applicable_count": 1,
  "completed_count": 1,
  "failed_count": 0,
  "schema_version": 1,
  "config_hash": "441d5bef641a0569",
  "data": {
    "overlays": {
      "L04B02": {
        "bg_id": "L04B02",
        "fp_id": "fp_l04_rooftop_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12
        ],
        "ignore_numbered_elements": [
          13,
          14,
          15
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "rooftop deck",
            "category": "area",
            "position_hint": "main exposed roof 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",
            "category": "area",
            "position_hint": "compact enclosed unit in the northwestern half of the roof",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "iron entry door",
            "category": "opening",
            "position_hint": "south wall of the rooftop room, facing the stair-arrival threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "exterior window",
            "category": "opening",
            "position_hint": "east wall of the rooftop room, facing the open deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "rooftop water tank",
            "category": "prop",
            "position_hint": "northeast utility corner of the rooftop deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "clothesline run",
            "category": "prop",
            "position_hint": "single straight run across the northern side of the open deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "drying platform",
            "category": "furniture",
            "position_hint": "low rectangular platform on the deck near the clothesline",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "north parapet run",
            "category": "area",
            "position_hint": "north edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "east parapet run",
            "category": "area",
            "position_hint": "east edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "south parapet run",
            "category": "area",
            "position_hint": "south edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "west parapet run",
            "category": "area",
            "position_hint": "west edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "stair arrival threshold",
            "category": "opening",
            "position_hint": "southwest side of the roof beside the approach to the iron door",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 13,
            "label": "reflected attack silhouette",
            "category": "prop",
            "position_hint": "confined to the reflective surface of the exterior window at night",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "black cat",
            "category": "prop",
            "position_hint": "on or beside the rooftop parapet during blue dawn",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "illuminated window state",
            "category": "prop",
            "position_hint": "confined to the exterior window during blue dawn",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          8,
          9,
          10,
          11
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": true,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 8, 9, 10, 11]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B03": {
        "bg_id": "L04B03",
        "fp_id": "fp_l04_rooftop_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          9,
          10,
          13
        ],
        "ignore_numbered_elements": [
          14,
          15
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "rooftop deck",
            "category": "area",
            "position_hint": "main exposed roof 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",
            "category": "area",
            "position_hint": "compact enclosed unit in the northwestern half of the roof",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "iron entry door",
            "category": "opening",
            "position_hint": "south wall of the rooftop room, facing the stair-arrival threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "exterior window",
            "category": "opening",
            "position_hint": "east wall of the rooftop room, facing the open deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "rooftop water tank",
            "category": "prop",
            "position_hint": "northeast utility corner of the rooftop deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "clothesline run",
            "category": "prop",
            "position_hint": "single straight run across the northern side of the open deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "drying platform",
            "category": "furniture",
            "position_hint": "low rectangular platform on the deck near the clothesline",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "east parapet run",
            "category": "area",
            "position_hint": "east edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "south parapet run",
            "category": "area",
            "position_hint": "south edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "reflected attack silhouette",
            "category": "prop",
            "position_hint": "confined to the reflective surface of the exterior window at night",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 14,
            "label": "black cat",
            "category": "prop",
            "position_hint": "on or beside the rooftop parapet during blue dawn",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "illuminated window state",
            "category": "prop",
            "position_hint": "confined to the exterior window during blue dawn",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          9,
          10
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 9, 10]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B01": {
        "bg_id": "L04B01",
        "fp_id": "fp_l04_rooftop_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          8,
          9,
          10,
          11,
          14,
          15
        ],
        "ignore_numbered_elements": [
          13
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "rooftop deck",
            "category": "area",
            "position_hint": "main exposed roof 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",
            "category": "area",
            "position_hint": "compact enclosed unit in the northwestern half of the roof",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "iron entry door",
            "category": "opening",
            "position_hint": "south wall of the rooftop room, facing the stair-arrival threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "exterior window",
            "category": "opening",
            "position_hint": "east wall of the rooftop room, facing the open deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "north parapet run",
            "category": "area",
            "position_hint": "north edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "east parapet run",
            "category": "area",
            "position_hint": "east edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "south parapet run",
            "category": "area",
            "position_hint": "south edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "west parapet run",
            "category": "area",
            "position_hint": "west edge of the rooftop deck",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 14,
            "label": "black cat",
            "category": "prop",
            "position_hint": "on or beside the rooftop parapet during blue dawn",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "illuminated window state",
            "category": "prop",
            "position_hint": "confined to the exterior window during blue dawn",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 13,
            "label": "reflected attack silhouette",
            "category": "prop",
            "position_hint": "confined to the reflective surface of the exterior window at night",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          8,
          9,
          10,
          11
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 8, 9, 10, 11]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B02": {
        "bg_id": "L05B02",
        "fp_id": "fp_l05_rooftop",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "rooftop circulation area",
            "category": "area",
            "position_hint": "central exterior roof area between the stair landing and rooftop room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "upper stair landing",
            "category": "area",
            "position_hint": "south-central threshold area at the top of the exterior stairs",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "rooftop room footprint",
            "category": "area",
            "position_hint": "north side of the plan, facing the rooftop circulation area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "utility tank zone",
            "category": "area",
            "position_hint": "northwest corner of the exposed rooftop",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "stairwell opening",
            "category": "opening",
            "position_hint": "inside the upper stair landing at the south-central edge",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "iron entry door",
            "category": "opening",
            "position_hint": "south-facing wall of the rooftop room, aligned with the stair approach",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "room exterior window",
            "category": "opening",
            "position_hint": "south-facing rooftop room wall, immediately east of the entry door",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "rooftop water tank",
            "category": "prop",
            "position_hint": "center of the northwest utility tank zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "drying platform",
            "category": "furniture",
            "position_hint": "west side of the rooftop circulation area, clear of the entrance path",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "clothesline run",
            "category": "prop",
            "position_hint": "single straight run along the western side above the drying area",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "west parapet run",
            "category": "area",
            "position_hint": "single continuous parapet run along the west roof edge",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "east parapet run",
            "category": "area",
            "position_hint": "single continuous parapet run along the east roof edge",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "half-open door state",
            "category": "opening",
            "position_hint": "at the iron entry door on the rooftop room wall",
            "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,
          4,
          11,
          12
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 11, 12]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B01": {
        "bg_id": "L05B01",
        "fp_id": "fp_l05_yard",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared courtyard",
            "category": "area",
            "position_hint": "central open area between the gate and building facade",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "gate approach",
            "category": "area",
            "position_hint": "south edge, narrow threshold connecting the lane to the courtyard gate",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "bicycle nook",
            "category": "area",
            "position_hint": "rear corner of the courtyard, beside the building wall and away from the gate",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "multifamily building footprint",
            "category": "area",
            "position_hint": "north and east side of the plan, enclosing the courtyard along two edges",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "courtyard gate",
            "category": "opening",
            "position_hint": "south boundary between the gate approach and shared courtyard",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "exterior stair flight",
            "category": "area",
            "position_hint": "along the east building wall, beginning at the courtyard stair base and rising toward upper levels",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "common entrance door",
            "category": "opening",
            "position_hint": "north building facade, opening directly onto the courtyard near the stair",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "courtyard window",
            "category": "opening",
            "position_hint": "north building facade, one contiguous window run beside the common entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 9,
            "label": "parked bicycle",
            "category": "prop",
            "position_hint": "inside the rear bicycle nook, loosely angled toward the wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "police vehicle",
            "category": "prop",
            "position_hint": "outside the courtyard gate on the narrow lane approach",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "distressed resident position",
            "category": "area",
            "position_hint": "courtyard center near the foot of the exterior stair",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "lead officer arrival position",
            "category": "area",
            "position_hint": "between the courtyard gate and the distressed resident position",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "second officer arrival position",
            "category": "area",
            "position_hint": "just behind the lead officer, oriented toward the exterior stair",
            "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,
          4,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L06B02": {
        "bg_id": "L06B02",
        "fp_id": "fp_l06_main_interior",
        "use_numbered_elements": [
          1,
          2,
          3,
          5,
          7,
          9,
          11,
          13,
          14,
          15,
          16,
          24,
          25,
          42,
          43
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared living dining kitchenette zone",
            "category": "area",
            "position_hint": "central and west portion of the dwelling",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entry vestibule",
            "category": "area",
            "position_hint": "southwest exterior threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "short circulation hall",
            "category": "area",
            "position_hint": "between the shared zone, bedrooms, and bathroom",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "northeast private room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entry door",
            "category": "opening",
            "position_hint": "southwest exterior wall of the entry vestibule",
            "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 end of the hall at the daughter bedroom 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 zone",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "kitchen sink",
            "category": "furniture",
            "position_hint": "north wall of the shared kitchenette run",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "stovetop",
            "category": "furniture",
            "position_hint": "north wall of the shared kitchenette, immediately beside the sink",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "dining table",
            "category": "furniture",
            "position_hint": "center of the shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "television stand",
            "category": "furniture",
            "position_hint": "south wall of the shared living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 24,
            "label": "framed family photograph",
            "category": "prop",
            "position_hint": "one end of the dining table in the shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "living floor lamp",
            "category": "furniture",
            "position_hint": "corner beside the television area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 42,
            "label": "unfinished herbs in sink",
            "category": "prop",
            "position_hint": "inside the kitchen sink basin",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "cooking pot on stovetop",
            "category": "prop",
            "position_hint": "single burner position on the kitchenette stovetop",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "bedroom blood pool",
            "category": "prop",
            "position_hint": "daughter bedroom floor beside the curtained window corner",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "continuous path 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": 28,
            "label": "corpse behind curtain",
            "category": "prop",
            "position_hint": "daughter bedroom east corner behind the window curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled photograph in corpse hand",
            "category": "prop",
            "position_hint": "at the corpse location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bedroom red wall circle",
            "category": "prop",
            "position_hint": "north wall of the daughter bedroom above the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "bathroom red wall circle vision",
            "category": "prop",
            "position_hint": "bathroom wall visible in the mirror beside the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "melting face photograph vision",
            "category": "prop",
            "position_hint": "surface of the framed family photograph on the dining table",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "open dresser drawers",
            "category": "furniture",
            "position_hint": "daughter bedroom dresser on the south wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "fallen dining chair",
            "category": "furniture",
            "position_hint": "floor beside the dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "intruder footprint trace",
            "category": "prop",
            "position_hint": "shared-zone floor between the living window and bedroom hall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "planted bloody photograph",
            "category": "prop",
            "position_hint": "center of the red circle on the daughter bedroom north wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "displaced backpack and doll",
            "category": "prop",
            "position_hint": "daughter bedroom floor near the bed foot",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "scattered dresser contents",
            "category": "prop",
            "position_hint": "single concentrated patch on the floor in front of the daughter dresser",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "second fallen dining chair",
            "category": "furniture",
            "position_hint": "opposite side of the dining table from the first fallen chair",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "ajar entry door state",
            "category": "opening",
            "position_hint": "steel entry door at the southwest threshold",
            "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)"
        ]
      },
      "L06B04": {
        "bg_id": "L06B04",
        "fp_id": "fp_l06_main_interior",
        "use_numbered_elements": [
          5,
          9,
          12,
          18,
          19,
          20,
          26,
          27,
          28,
          29,
          30
        ],
        "ignore_numbered_elements": [
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42,
          43
        ],
        "base_markers_to_reference": [
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "northeast 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 end of the hall at the daughter bedroom threshold",
            "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": "daughter bed",
            "category": "furniture",
            "position_hint": "along the north wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter dresser",
            "category": "furniture",
            "position_hint": "south wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "daughter window curtain",
            "category": "furniture",
            "position_hint": "inside the east wall of the daughter bedroom at the window",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 26,
            "label": "bedroom blood pool",
            "category": "prop",
            "position_hint": "daughter bedroom floor beside the curtained window corner",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "continuous path 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": 28,
            "label": "corpse behind curtain",
            "category": "prop",
            "position_hint": "daughter bedroom east corner behind the window curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled photograph in corpse hand",
            "category": "prop",
            "position_hint": "at the corpse location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bedroom red wall circle",
            "category": "prop",
            "position_hint": "north wall of the daughter bedroom above the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 31,
            "label": "bathroom red wall circle vision",
            "category": "prop",
            "position_hint": "bathroom wall visible in the mirror beside the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "melting face photograph vision",
            "category": "prop",
            "position_hint": "surface of the framed family photograph on the dining table",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "open dresser drawers",
            "category": "furniture",
            "position_hint": "daughter bedroom dresser on the south wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "fallen dining chair",
            "category": "furniture",
            "position_hint": "floor beside the dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "intruder footprint trace",
            "category": "prop",
            "position_hint": "shared-zone floor between the living window and bedroom hall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "planted bloody photograph",
            "category": "prop",
            "position_hint": "center of the red circle on the daughter bedroom north wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "displaced backpack and doll",
            "category": "prop",
            "position_hint": "daughter bedroom floor near the bed foot",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "scattered dresser contents",
            "category": "prop",
            "position_hint": "single concentrated patch on the floor in front of the daughter dresser",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "second fallen dining chair",
            "category": "furniture",
            "position_hint": "opposite side of the dining table from the first fallen chair",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "ajar entry door state",
            "category": "opening",
            "position_hint": "steel entry door at the southwest threshold",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "unfinished herbs in sink",
            "category": "prop",
            "position_hint": "inside the kitchen sink basin",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "cooking pot on stovetop",
            "category": "prop",
            "position_hint": "single burner position on the kitchenette stovetop",
            "base_layer_decision": "state_overlay_transient_object",
            "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": []
      },
      "L06B05": {
        "bg_id": "L06B05",
        "fp_id": "fp_l06_main_interior",
        "use_numbered_elements": [
          5,
          9,
          12,
          18,
          19,
          20
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42,
          43
        ],
        "base_markers_to_reference": [
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "northeast 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 end of the hall at the daughter bedroom threshold",
            "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": "daughter bed",
            "category": "furniture",
            "position_hint": "along the north wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter dresser",
            "category": "furniture",
            "position_hint": "south wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "daughter window curtain",
            "category": "furniture",
            "position_hint": "inside the east wall of the daughter bedroom at the window",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "bedroom blood pool",
            "category": "prop",
            "position_hint": "daughter bedroom floor beside the curtained window corner",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "continuous path 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": 28,
            "label": "corpse behind curtain",
            "category": "prop",
            "position_hint": "daughter bedroom east corner behind the window curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled photograph in corpse hand",
            "category": "prop",
            "position_hint": "at the corpse location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bedroom red wall circle",
            "category": "prop",
            "position_hint": "north wall of the daughter bedroom above the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "bathroom red wall circle vision",
            "category": "prop",
            "position_hint": "bathroom wall visible in the mirror beside the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "melting face photograph vision",
            "category": "prop",
            "position_hint": "surface of the framed family photograph on the dining table",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "open dresser drawers",
            "category": "furniture",
            "position_hint": "daughter bedroom dresser on the south wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "fallen dining chair",
            "category": "furniture",
            "position_hint": "floor beside the dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "intruder footprint trace",
            "category": "prop",
            "position_hint": "shared-zone floor between the living window and bedroom hall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "planted bloody photograph",
            "category": "prop",
            "position_hint": "center of the red circle on the daughter bedroom north wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "displaced backpack and doll",
            "category": "prop",
            "position_hint": "daughter bedroom floor near the bed foot",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "scattered dresser contents",
            "category": "prop",
            "position_hint": "single concentrated patch on the floor in front of the daughter dresser",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "second fallen dining chair",
            "category": "furniture",
            "position_hint": "opposite side of the dining table from the first fallen chair",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "ajar entry door state",
            "category": "opening",
            "position_hint": "steel entry door at the southwest threshold",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "unfinished herbs in sink",
            "category": "prop",
            "position_hint": "inside the kitchen sink basin",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "cooking pot on stovetop",
            "category": "prop",
            "position_hint": "single burner position on the kitchenette stovetop",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          5
        ],
        "dominant_target_unit_marker_number": 5,
        "clean_background_expected": true,
        "diagnostics": []
      },
      "L06B01": {
        "bg_id": "L06B01",
        "fp_id": "fp_l06_main_interior",
        "use_numbered_elements": [
          1,
          3,
          6,
          10,
          15,
          21,
          22,
          23,
          24,
          31,
          32
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42,
          43
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared living dining kitchenette zone",
            "category": "area",
            "position_hint": "central and west portion of the dwelling",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "short circulation hall",
            "category": "area",
            "position_hint": "between the shared zone, bedrooms, and bathroom",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "bathroom",
            "category": "area",
            "position_hint": "southeast service room beside the hall",
            "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 side of the hall at the bathroom threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "dining table",
            "category": "furniture",
            "position_hint": "center of the shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 21,
            "label": "bathroom washbasin",
            "category": "furniture",
            "position_hint": "north wall of the bathroom",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "bathroom wall mirror",
            "category": "prop",
            "position_hint": "north bathroom wall directly above the washbasin",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 23,
            "label": "bathroom toilet",
            "category": "furniture",
            "position_hint": "east side of the bathroom",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 24,
            "label": "framed family photograph",
            "category": "prop",
            "position_hint": "one end of the dining table in the shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 31,
            "label": "bathroom red wall circle vision",
            "category": "prop",
            "position_hint": "bathroom wall visible in the mirror beside the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "melting face photograph vision",
            "category": "prop",
            "position_hint": "surface of the framed family photograph on the dining table",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "bedroom blood pool",
            "category": "prop",
            "position_hint": "daughter bedroom floor beside the curtained window corner",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "continuous path 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": 28,
            "label": "corpse behind curtain",
            "category": "prop",
            "position_hint": "daughter bedroom east corner behind the window curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled photograph in corpse hand",
            "category": "prop",
            "position_hint": "at the corpse location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "bedroom red wall circle",
            "category": "prop",
            "position_hint": "north wall of the daughter bedroom above the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "open dresser drawers",
            "category": "furniture",
            "position_hint": "daughter bedroom dresser on the south wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "fallen dining chair",
            "category": "furniture",
            "position_hint": "floor beside the dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "intruder footprint trace",
            "category": "prop",
            "position_hint": "shared-zone floor between the living window and bedroom hall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "planted bloody photograph",
            "category": "prop",
            "position_hint": "center of the red circle on the daughter bedroom north wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "displaced backpack and doll",
            "category": "prop",
            "position_hint": "daughter bedroom floor near the bed foot",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "scattered dresser contents",
            "category": "prop",
            "position_hint": "single concentrated patch on the floor in front of the daughter dresser",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "second fallen dining chair",
            "category": "furniture",
            "position_hint": "opposite side of the dining table from the first fallen chair",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "ajar entry door state",
            "category": "opening",
            "position_hint": "steel entry door at the southwest threshold",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "unfinished herbs in sink",
            "category": "prop",
            "position_hint": "inside the kitchen sink basin",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "cooking pot on stovetop",
            "category": "prop",
            "position_hint": "single burner position on the kitchenette stovetop",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          3,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 3, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L06B03": {
        "bg_id": "L06B03",
        "fp_id": "fp_l06_main_interior",
        "use_numbered_elements": [
          1,
          2,
          3,
          5,
          7,
          9,
          11,
          12,
          15,
          16,
          18,
          19,
          20,
          30,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          31,
          32,
          42,
          43
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared living dining kitchenette zone",
            "category": "area",
            "position_hint": "central and west portion of the dwelling",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entry vestibule",
            "category": "area",
            "position_hint": "southwest exterior threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "short circulation hall",
            "category": "area",
            "position_hint": "between the shared zone, bedrooms, and bathroom",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "northeast private room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entry door",
            "category": "opening",
            "position_hint": "southwest exterior wall of the entry vestibule",
            "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 end of the hall at the daughter bedroom 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 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": 15,
            "label": "dining table",
            "category": "furniture",
            "position_hint": "center of the shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "television stand",
            "category": "furniture",
            "position_hint": "south wall of the shared living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "along the north wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter dresser",
            "category": "furniture",
            "position_hint": "south wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "daughter window curtain",
            "category": "furniture",
            "position_hint": "inside the east wall of the daughter bedroom at the window",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 30,
            "label": "bedroom red wall circle",
            "category": "prop",
            "position_hint": "north wall of the daughter bedroom above the bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "open dresser drawers",
            "category": "furniture",
            "position_hint": "daughter bedroom dresser on the south wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "fallen dining chair",
            "category": "furniture",
            "position_hint": "floor beside the dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "intruder footprint trace",
            "category": "prop",
            "position_hint": "shared-zone floor between the living window and bedroom hall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at the small living window on the west wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "planted bloody photograph",
            "category": "prop",
            "position_hint": "center of the red circle on the daughter bedroom north wall",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "displaced backpack and doll",
            "category": "prop",
            "position_hint": "daughter bedroom floor near the bed foot",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "scattered dresser contents",
            "category": "prop",
            "position_hint": "single concentrated patch on the floor in front of the daughter dresser",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "second fallen dining chair",
            "category": "furniture",
            "position_hint": "opposite side of the dining table from the first fallen chair",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "ajar entry door state",
            "category": "opening",
            "position_hint": "steel entry door at the southwest threshold",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "bedroom blood pool",
            "category": "prop",
            "position_hint": "daughter bedroom floor beside the curtained window corner",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "bloody footprint trail",
            "category": "prop",
            "position_hint": "continuous path 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": 28,
            "label": "corpse behind curtain",
            "category": "prop",
            "position_hint": "daughter bedroom east corner behind the window curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled photograph in corpse hand",
            "category": "prop",
            "position_hint": "at the corpse location behind the daughter bedroom curtain",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "bathroom red wall circle vision",
            "category": "prop",
            "position_hint": "bathroom wall visible in the mirror beside the washbasin",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "melting face photograph vision",
            "category": "prop",
            "position_hint": "surface of the framed family photograph on the dining table",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "unfinished herbs in sink",
            "category": "prop",
            "position_hint": "inside the kitchen sink basin",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 43,
            "label": "cooking pot on stovetop",
            "category": "prop",
            "position_hint": "single burner position on the kitchenette stovetop",
            "base_layer_decision": "state_overlay_transient_object",
            "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)"
        ]
      },
      "L11B01": {
        "bg_id": "L11B01",
        "fp_id": "fp_l11_store_entrance",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "retail interior strip",
            "category": "area",
            "position_hint": "north-central area immediately behind the entrance facade",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entrance vestibule",
            "category": "area",
            "position_hint": "center of the facade between the exterior forecourt and retail interior",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "pedestrian forecourt",
            "category": "area",
            "position_hint": "broad exterior apron directly south of the entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "bicycle parking bay",
            "category": "area",
            "position_hint": "west side of the pedestrian forecourt beside the facade",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "adjacent commercial frontage",
            "category": "area",
            "position_hint": "east side of the supermarket entrance, continuing along the street",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "curbside street edge",
            "category": "area",
            "position_hint": "southern edge of the plan beyond the pedestrian forecourt",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "main sliding entrance",
            "category": "opening",
            "position_hint": "center of the supermarket facade at the south side of the vestibule",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "west storefront window",
            "category": "opening",
            "position_hint": "single contiguous glazing run west of the main entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "east storefront window",
            "category": "opening",
            "position_hint": "single contiguous glazing run east of the main entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "fixed bicycle rack",
            "category": "prop",
            "position_hint": "center of the bicycle parking bay, parallel to the facade",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "entrance canopy",
            "category": "prop",
            "position_hint": "single contiguous overhang above the central vestibule and main entrance",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "exterior security camera",
            "category": "prop",
            "position_hint": "facade corner east of the main entrance, aimed across the forecourt",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "parked bicycle",
            "category": "prop",
            "position_hint": "within the bicycle parking bay beside the fixed rack",
            "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,
          4,
          5,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 5, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L15B01": {
        "bg_id": "L15B01",
        "fp_id": "fp_l15_security_office",
        "use_numbered_elements": [
          1,
          2,
          3,
          6,
          7,
          8,
          9,
          10
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "security office",
            "category": "area",
            "position_hint": "center of the complete rectangular office footprint",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "workstation service zone",
            "category": "area",
            "position_hint": "north side of the office around the CCTV workstation",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "observer standing zone",
            "category": "area",
            "position_hint": "open central and south-central floor area behind the operator chair",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "CCTV workstation 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": 7,
            "label": "integrated CCTV monitor console",
            "category": "prop",
            "position_hint": "single contiguous console centered along the rear edge of the workstation desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "operator chair",
            "category": "furniture",
            "position_hint": "immediately south of the workstation desk, facing north",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "two-seat waiting bench",
            "category": "furniture",
            "position_hint": "east wall, clear of the central observer standing zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 10,
            "label": "unusually dark CCTV replay",
            "category": "prop",
            "position_hint": "confined to the display plane of the integrated CCTV monitor console",
            "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)"
        ]
      },
      "L13B02": {
        "bg_id": "L13B02",
        "fp_id": "fp_l13_police_office",
        "use_numbered_elements": [
          1,
          2,
          3,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16,
          17,
          18
        ],
        "ignore_numbered_elements": [
          19,
          20,
          21,
          22
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared office zone",
            "category": "area",
            "position_hint": "main rectangular office interior surrounding the workstation cluster",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entrance threshold zone",
            "category": "area",
            "position_hint": "south side of the office immediately inside the entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "central circulation aisle",
            "category": "area",
            "position_hint": "center of the office, running north from the entrance between desks",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "main entrance door",
            "category": "opening",
            "position_hint": "south wall, opening inward toward the entrance threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "senior workstation desk",
            "category": "furniture",
            "position_hint": "northwest portion of the shared office, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "senior desk chair",
            "category": "furniture",
            "position_hint": "south side of the senior workstation desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "senior desktop monitor",
            "category": "prop",
            "position_hint": "north edge of the senior workstation desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "duty workstation desk",
            "category": "furniture",
            "position_hint": "northeast portion of the shared office, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "duty desk chair",
            "category": "furniture",
            "position_hint": "southwest side of the duty workstation desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "duty desktop monitor",
            "category": "prop",
            "position_hint": "north edge of the duty workstation desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "auxiliary workstation desk",
            "category": "furniture",
            "position_hint": "southwest portion of the shared office, west of the entrance path",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "auxiliary desk chair",
            "category": "furniture",
            "position_hint": "north side of the auxiliary workstation desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "auxiliary desktop monitor",
            "category": "prop",
            "position_hint": "west edge of the auxiliary workstation desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "evidence side table",
            "category": "furniture",
            "position_hint": "west wall beside the senior workstation desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "filing cabinet bank",
            "category": "furniture",
            "position_hint": "east wall within the service and storage zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "coffee station",
            "category": "prop",
            "position_hint": "southeast end of the service and storage zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "exterior window run",
            "category": "opening",
            "position_hint": "single contiguous run centered on the north wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 19,
            "label": "GPS result display",
            "category": "prop",
            "position_hint": "within the screen plane of the duty desktop monitor",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "case photograph spread",
            "category": "prop",
            "position_hint": "single contiguous spread across the senior workstation desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 21,
            "label": "signing forms",
            "category": "prop",
            "position_hint": "single paper stack on the near side of the senior workstation desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "note paper and writing tool",
            "category": "prop",
            "position_hint": "small contiguous grouping beside the duty workstation keyboard",
            "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)"
        ]
      },
      "L13B01": {
        "bg_id": "L13B01",
        "fp_id": "fp_l13_police_office",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16,
          17,
          18,
          19,
          20,
          21,
          22
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared office zone",
            "category": "area",
            "position_hint": "main rectangular office interior surrounding the workstation cluster",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entrance threshold zone",
            "category": "area",
            "position_hint": "south side of the office immediately inside the entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "central circulation aisle",
            "category": "area",
            "position_hint": "center of the office, running north from the entrance between desks",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "service and storage zone",
            "category": "area",
            "position_hint": "east wall strip beside the workstation area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "main entrance door",
            "category": "opening",
            "position_hint": "south wall, opening inward toward the entrance threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "senior workstation desk",
            "category": "furniture",
            "position_hint": "northwest portion of the shared office, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "senior desk chair",
            "category": "furniture",
            "position_hint": "south side of the senior workstation desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "senior desktop monitor",
            "category": "prop",
            "position_hint": "north edge of the senior workstation desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "duty workstation desk",
            "category": "furniture",
            "position_hint": "northeast portion of the shared office, facing the central aisle",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "duty desk chair",
            "category": "furniture",
            "position_hint": "southwest side of the duty workstation desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "duty desktop monitor",
            "category": "prop",
            "position_hint": "north edge of the duty workstation desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "auxiliary workstation desk",
            "category": "furniture",
            "position_hint": "southwest portion of the shared office, west of the entrance path",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "auxiliary desk chair",
            "category": "furniture",
            "position_hint": "north side of the auxiliary workstation desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "auxiliary desktop monitor",
            "category": "prop",
            "position_hint": "west edge of the auxiliary workstation desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "evidence side table",
            "category": "furniture",
            "position_hint": "west wall beside the senior workstation desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "filing cabinet bank",
            "category": "furniture",
            "position_hint": "east wall within the service and storage zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "coffee station",
            "category": "prop",
            "position_hint": "southeast end of the service and storage zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "exterior window run",
            "category": "opening",
            "position_hint": "single contiguous run centered on the north wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 19,
            "label": "GPS result display",
            "category": "prop",
            "position_hint": "within the screen plane of the duty desktop monitor",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "case photograph spread",
            "category": "prop",
            "position_hint": "single contiguous spread across the senior workstation desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 21,
            "label": "signing forms",
            "category": "prop",
            "position_hint": "single paper stack on the near side of the senior workstation desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "note paper and writing tool",
            "category": "prop",
            "position_hint": "small contiguous grouping beside the duty workstation keyboard",
            "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,
          4
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L14B01": {
        "bg_id": "L14B01",
        "fp_id": "fp_l14_station_street",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "civic building frontage",
            "category": "area",
            "position_hint": "north side of plan, extending across the street-facing edge",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "main entrance door",
            "category": "opening",
            "position_hint": "center of the south-facing building wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "left window run",
            "category": "opening",
            "position_hint": "south-facing building wall, west of the main entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "right window run",
            "category": "opening",
            "position_hint": "south-facing building wall, east of the main entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "front sidewalk",
            "category": "area",
            "position_hint": "continuous strip directly south of the building frontage",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "bicycle parking zone",
            "category": "area",
            "position_hint": "east side of the entrance approach within the sidewalk edge",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "street curb",
            "category": "area",
            "position_hint": "narrow continuous strip along the south edge of the sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "street roadway",
            "category": "area",
            "position_hint": "south half of plan, running east to west parallel to the frontage",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 9,
            "label": "departing bicycle",
            "category": "prop",
            "position_hint": "beginning at the bicycle parking zone and entering the roadway",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "urgent departure direction",
            "category": "prop",
            "position_hint": "along the roadway leading away from the building frontage",
            "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,
          5,
          6,
          7,
          8
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 5, 6, 7, 8]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L19B01": {
        "bg_id": "L19B01",
        "fp_id": "fp_l19_deck",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16,
          17,
          18
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "aft working deck",
            "category": "area",
            "position_hint": "broad open area in 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 interior",
            "category": "area",
            "position_hint": "enclosed control room in the forward-middle portion of the vessel",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "wheelhouse threshold",
            "category": "area",
            "position_hint": "small transition area immediately aft of the wheelhouse door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "port side passage",
            "category": "area",
            "position_hint": "narrow exterior circulation strip along the port side of the wheelhouse",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "starboard side passage",
            "category": "area",
            "position_hint": "narrow exterior circulation strip along the starboard side of the wheelhouse",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "wheelhouse access door",
            "category": "opening",
            "position_hint": "center of the aft wheelhouse wall, opening toward the threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "forward windshield run",
            "category": "opening",
            "position_hint": "single contiguous window run across the forward wheelhouse wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "port wheelhouse window",
            "category": "opening",
            "position_hint": "port wall of the wheelhouse beside the helm position",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "starboard wheelhouse window",
            "category": "opening",
            "position_hint": "starboard wall of the wheelhouse beside the helm position",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "helm console",
            "category": "prop",
            "position_hint": "inside the wheelhouse against the forward wall",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "steering wheel",
            "category": "prop",
            "position_hint": "centered on the aft-facing side of the helm console",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "helm chair",
            "category": "furniture",
            "position_hint": "inside the wheelhouse directly aft of the steering wheel",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "port rail run",
            "category": "prop",
            "position_hint": "single contiguous rail run along the port edge of the exterior deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "starboard rail run",
            "category": "prop",
            "position_hint": "single contiguous rail run along the starboard edge of the exterior deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "stern rail run",
            "category": "prop",
            "position_hint": "single contiguous rail run across the aft edge of the working deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "forward utility deck",
            "category": "area",
            "position_hint": "small exterior deck area immediately forward of the wheelhouse",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "forward rail run",
            "category": "prop",
            "position_hint": "single contiguous rail run around the pointed forward utility deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 18,
            "label": "perceived red circle cluster",
            "category": "prop",
            "position_hint": "one compact subjective cluster on a single interior wheelhouse bulkhead behind the helm sightline",
            "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,
          4,
          5,
          16
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 5, 16]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L20B01": {
        "bg_id": "L20B01",
        "fp_id": "fp_l20_wheelhouse",
        "use_numbered_elements": [
          1,
          2,
          3,
          6,
          7,
          8,
          9
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "wheelhouse operating zone",
            "category": "area",
            "position_hint": "central and forward portion of the enclosed wheelhouse",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "aft threshold zone",
            "category": "area",
            "position_hint": "narrow strip inside the aft wall between the doorway and operating zone",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "aft deck doorway",
            "category": "opening",
            "position_hint": "aft wall, slightly port of center, with inward door swing kept clear of the helm aisle",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "starboard side window run",
            "category": "opening",
            "position_hint": "single contiguous glazing run in the forward half of the starboard wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "helm console with steering wheel",
            "category": "furniture",
            "position_hint": "centered against the forward wall below the forward window run",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 8,
            "label": "dense red circles on aft wall panel",
            "category": "prop",
            "position_hint": "single solid aft wall panel immediately starboard of the doorway",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "dense red circles on starboard wall panel",
            "category": "prop",
            "position_hint": "single solid starboard wall panel aft of the side window run",
            "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
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      }
    }
  },
  "step_id": "floor_plan_overlay_payload",
  "run_id": "f0b01fa0-deed-48c1-a586-fa90dedc12ff",
  "resolved_model": "gpt",
  "updated_at": "2026-07-20T08:21:32.768502+00:00",
  "project_config_snapshot": {}
}