{
  "status": "completed",
  "applicable_count": 1,
  "completed_count": 1,
  "failed_count": 0,
  "schema_version": 1,
  "config_hash": "c55c2f78e54bc607",
  "data": {
    "overlays": {
      "L03B03": {
        "bg_id": "L03B03",
        "fp_id": "fp_l03_rooftop_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16,
          17,
          18
        ],
        "ignore_numbered_elements": [
          19,
          20
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "Open rooftop shared zone",
            "category": "area",
            "position_hint": "large central roof deck area occupying most of the plan",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "Rooftop room private zone",
            "category": "area",
            "position_hint": "southeast side of the rooftop, small enclosed room block",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "Stair and entry threshold zone",
            "category": "area",
            "position_hint": "southwest corner around the exterior stair arrival",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "Rooftop room door threshold zone",
            "category": "area",
            "position_hint": "directly outside the west-facing rooftop room door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "Utility service zone",
            "category": "area",
            "position_hint": "northwest portion of the roof around the water tank and laundry line anchor",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "Herb drying zone",
            "category": "area",
            "position_hint": "central-south roof deck around the low drying platform",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "Perimeter parapet wall",
            "category": "area",
            "position_hint": "continuous low wall around the outer edge of the rooftop",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "Exterior stair access opening",
            "category": "opening",
            "position_hint": "southwest corner, opening from stairwell onto rooftop",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "Metal rooftop room door",
            "category": "opening",
            "position_hint": "west wall of the rooftop room, opening outward toward the roof deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "Small rooftop room window",
            "category": "opening",
            "position_hint": "north wall of the rooftop room facing the open roof deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "Water tank",
            "category": "prop",
            "position_hint": "northwest corner inside the parapet, within the utility service zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "Laundry line",
            "category": "prop",
            "position_hint": "stretched across the northern half of the roof from the utility side toward the rooftop room side",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "Low drying platform",
            "category": "furniture",
            "position_hint": "central-south roof deck within the herb drying zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "Drying herb trays and bundles",
            "category": "prop",
            "position_hint": "on top of number 13, arranged as flat trays or bundles",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "Potted herb planters",
            "category": "prop",
            "position_hint": "along the south parapet near the herb drying zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 16,
            "label": "Stranger at rooftop room door",
            "category": "prop",
            "position_hint": "at number 4 and number 9, directly in front of the metal door",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "Advertising flyer in door gap",
            "category": "prop",
            "position_hint": "inserted at number 9, in the gap of the metal rooftop room door",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "Wind-scattered dry herb leaves near shoes",
            "category": "prop",
            "position_hint": "between number 13 and number 4, trailing toward the rooftop room door threshold",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 19,
            "label": "Black cat on parapet",
            "category": "prop",
            "position_hint": "on top of number 7, near the east or southeast parapet beside the rooftop room sightline",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "Dawn rooftop room light visible",
            "category": "prop",
            "position_hint": "associated with number 2 and number 10, visible from the exterior at dawn",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4,
          5,
          6,
          7
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 5, 6, 7]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L03B01": {
        "bg_id": "L03B01",
        "fp_id": "fp_l03_rooftop_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          19,
          20
        ],
        "ignore_numbered_elements": [
          16,
          17,
          18
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "Open rooftop shared zone",
            "category": "area",
            "position_hint": "large central roof deck area occupying most of the plan",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "Rooftop room private zone",
            "category": "area",
            "position_hint": "southeast side of the rooftop, small enclosed room block",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "Stair and entry threshold zone",
            "category": "area",
            "position_hint": "southwest corner around the exterior stair arrival",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "Rooftop room door threshold zone",
            "category": "area",
            "position_hint": "directly outside the west-facing rooftop room door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "Utility service zone",
            "category": "area",
            "position_hint": "northwest portion of the roof around the water tank and laundry line anchor",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "Herb drying zone",
            "category": "area",
            "position_hint": "central-south roof deck around the low drying platform",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "Perimeter parapet wall",
            "category": "area",
            "position_hint": "continuous low wall around the outer edge of the rooftop",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "Exterior stair access opening",
            "category": "opening",
            "position_hint": "southwest corner, opening from stairwell onto rooftop",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "Metal rooftop room door",
            "category": "opening",
            "position_hint": "west wall of the rooftop room, opening outward toward the roof deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "Small rooftop room window",
            "category": "opening",
            "position_hint": "north wall of the rooftop room facing the open roof deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "Water tank",
            "category": "prop",
            "position_hint": "northwest corner inside the parapet, within the utility service zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "Laundry line",
            "category": "prop",
            "position_hint": "stretched across the northern half of the roof from the utility side toward the rooftop room side",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "Low drying platform",
            "category": "furniture",
            "position_hint": "central-south roof deck within the herb drying zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "Drying herb trays and bundles",
            "category": "prop",
            "position_hint": "on top of number 13, arranged as flat trays or bundles",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "Potted herb planters",
            "category": "prop",
            "position_hint": "along the south parapet near the herb drying zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 19,
            "label": "Black cat on parapet",
            "category": "prop",
            "position_hint": "on top of number 7, near the east or southeast parapet beside the rooftop room sightline",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "Dawn rooftop room light visible",
            "category": "prop",
            "position_hint": "associated with number 2 and number 10, visible from the exterior at dawn",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 16,
            "label": "Stranger at rooftop room door",
            "category": "prop",
            "position_hint": "at number 4 and number 9, directly in front of the metal door",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "Advertising flyer in door gap",
            "category": "prop",
            "position_hint": "inserted at number 9, in the gap of the metal rooftop room door",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "Wind-scattered dry herb leaves near shoes",
            "category": "prop",
            "position_hint": "between number 13 and number 4, trailing toward the rooftop room door threshold",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4,
          5,
          6,
          7
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4, 5, 6, 7]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B03": {
        "bg_id": "L04B03",
        "fp_id": "fp_l04_stairs",
        "use_numbered_elements": [
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          15,
          16
        ],
        "ignore_numbered_elements": [
          14
        ],
        "base_markers_to_reference": [
          {
            "number": 5,
            "label": "compact mid-turn landing",
            "category": "area",
            "position_hint": "middle of the plan where the stair direction turns tightly",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "upper exterior stair flight",
            "category": "area",
            "position_hint": "continues from the mid-turn landing toward the rooftop landing",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "rooftop landing threshold zone",
            "category": "area",
            "position_hint": "north end of the stair route directly outside the rooftop room door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "rooftop room exterior wall strip",
            "category": "area",
            "position_hint": "north or northeast edge of the rooftop landing, forming the facade beside the door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "rooftop iron door opening",
            "category": "opening",
            "position_hint": "center of the rooftop room facade strip facing the rooftop landing",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "small exterior window",
            "category": "opening",
            "position_hint": "on the rooftop room facade strip near the iron door",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "stair guardrail and side wall",
            "category": "prop",
            "position_hint": "outer edge of both stair flights and landings",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "rooftop parapet wall",
            "category": "prop",
            "position_hint": "outer roof edge beyond or beside the rooftop landing",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "rooftop water tank",
            "category": "prop",
            "position_hint": "far side of the rooftop utility area, offset from the door landing",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 15,
            "label": "half-open iron door state",
            "category": "opening",
            "position_hint": "at the rooftop iron door threshold, overlay cue only",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "foul odor perception zone",
            "category": "area",
            "position_hint": "upper stair and rooftop landing area near the iron door, overlay cue only",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 14,
            "label": "hastily parked bicycle",
            "category": "prop",
            "position_hint": "lower yard corner near the stair bottom, not part of the permanent plan drawing",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          5,
          6,
          7,
          8
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([5, 6, 7, 8]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B02": {
        "bg_id": "L04B02",
        "fp_id": "fp_l04_stairs",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          11,
          14
        ],
        "ignore_numbered_elements": [
          15,
          16
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "lower yard shared zone",
            "category": "area",
            "position_hint": "south edge of plan, small recessed yard at the foot of the stairs",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "alley-to-yard gate",
            "category": "opening",
            "position_hint": "south or southwest boundary of the lower yard",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "bottom stair threshold",
            "category": "area",
            "position_hint": "north side of the lower yard where the first step begins",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "lower exterior stair flight",
            "category": "area",
            "position_hint": "runs upward along one side wall from the bottom threshold toward the turn landing",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "compact mid-turn landing",
            "category": "area",
            "position_hint": "middle of the plan where the stair direction turns tightly",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "upper exterior stair flight",
            "category": "area",
            "position_hint": "continues from the mid-turn landing toward the rooftop landing",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "stair guardrail and side wall",
            "category": "prop",
            "position_hint": "outer edge of both stair flights and landings",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 14,
            "label": "hastily parked bicycle",
            "category": "prop",
            "position_hint": "lower yard corner near the stair bottom, not part of the permanent plan drawing",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 15,
            "label": "half-open iron door state",
            "category": "opening",
            "position_hint": "at the rooftop iron door threshold, overlay cue only",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "foul odor perception zone",
            "category": "area",
            "position_hint": "upper stair and rooftop landing area near the iron door, overlay cue only",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          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, 3, 4, 5, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L04B01": {
        "bg_id": "L04B01",
        "fp_id": "fp_l04_yard",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "shared paved courtyard",
            "category": "area",
            "position_hint": "central yard area inside the villa gate",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "narrow alley approach",
            "category": "area",
            "position_hint": "outside the south gate, along the street-facing edge",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "street-side vehicle stopping zone",
            "category": "area",
            "position_hint": "just outside and slightly west of the gate, aligned with the alley curb",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "metal street gate opening",
            "category": "opening",
            "position_hint": "south perimeter wall, main entry from alley into yard",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "perimeter wall and fence line",
            "category": "area",
            "position_hint": "enclosing the compact yard on south, east, and west edges",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "villa facade and stairwell block",
            "category": "area",
            "position_hint": "north side of the courtyard, attached to the building mass",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "exterior stair flight to rooftop",
            "category": "area",
            "position_hint": "northeast side of courtyard, rising from yard level along the building wall",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "recessed bicycle parking corner",
            "category": "area",
            "position_hint": "back west corner of the yard, partly hidden from the gate view",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "fixed bicycle lean rail",
            "category": "prop",
            "position_hint": "against the west wall within the bicycle parking corner",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "ground-floor villa entrance door",
            "category": "opening",
            "position_hint": "north facade facing the shared courtyard, near the base of the stairwell",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "gate intercom and mailbox panel",
            "category": "prop",
            "position_hint": "inside face of the south gate wall, beside the metal gate",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "villa facade windows facing yard",
            "category": "opening",
            "position_hint": "north building wall overlooking the courtyard",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "arriving police vehicle",
            "category": "prop",
            "position_hint": "street-side vehicle stopping zone outside the gate",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "hastily parked loose bicycle",
            "category": "prop",
            "position_hint": "recessed bicycle parking corner, leaning roughly near the fixed rail",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "temporary siren arrival cue",
            "category": "prop",
            "position_hint": "gate and street-side stopping zone, associated with the arriving vehicle",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "temporary confrontation blocking spot",
            "category": "area",
            "position_hint": "inside the courtyard just beyond the gate, between the arrival edge and stair route",
            "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,
          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, 2, 3, 5, 6, 7, 8]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B05": {
        "bg_id": "L05B05",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          24,
          25
        ],
        "ignore_numbered_elements": [
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "south side of the apartment, immediately inside the exterior door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "south wall, opening inward into the entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "living-kitchen shared zone",
            "category": "area",
            "position_hint": "central and east portion of the plan, connected directly to the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "small living-kitchen exterior window",
            "category": "opening",
            "position_hint": "east wall of the living-kitchen, near the table side",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "sink counter with faucet",
            "category": "prop",
            "position_hint": "west wall of the living-kitchen kitchenette run",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "two-burner stovetop",
            "category": "prop",
            "position_hint": "along the same kitchenette counter run near the sink",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "low TV stand and television",
            "category": "furniture",
            "position_hint": "north-east side of the living-kitchen, facing the table and seating area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "kitchen table",
            "category": "furniture",
            "position_hint": "middle of the living-kitchen shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "dining chairs",
            "category": "furniture",
            "position_hint": "clustered around the kitchen table in the living-kitchen",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "standing floor lamp",
            "category": "furniture",
            "position_hint": "living area corner near the TV side",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 24,
            "label": "rinsed herbs and herb tea cup",
            "category": "prop",
            "position_hint": "morning domestic state at the sink counter and kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "TV switched on with blue screen light",
            "category": "prop",
            "position_hint": "state cue at the TV stand in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 26,
            "label": "two tea cups, one overturned",
            "category": "prop",
            "position_hint": "murder-scene state on the kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "blood pool and footprint trail",
            "category": "prop",
            "position_hint": "murder-scene state across the daughter bedroom floor leading toward the curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "murder-scene state behind the daughter bedroom curtain at the curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled old photo in hand",
            "category": "prop",
            "position_hint": "murder-scene state at the body behind the daughter bedroom curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "red circle above daughter bed",
            "category": "prop",
            "position_hint": "murder-scene state on the wall above the daughter bedroom bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "subtly shifted backpack and doll",
            "category": "prop",
            "position_hint": "clean-after-event state in the daughter bedroom near the storage shelf or bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle in bathroom mirror or wall",
            "category": "prop",
            "position_hint": "hallucination state at the bathroom sink and mirror wall; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "melting family photo hallucination",
            "category": "prop",
            "position_hint": "hallucination state at the kitchen table in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "ransack footprints through room",
            "category": "prop",
            "position_hint": "dusk ransacked state crossing the living-kitchen and toward the bedrooms; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "living window left open",
            "category": "opening",
            "position_hint": "dusk ransacked state at the small living-kitchen exterior window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "scattered belongings and fallen chairs",
            "category": "furniture",
            "position_hint": "dusk ransacked state around the kitchen table and shared zone floor; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "large red circle with bloodied old photo pinned",
            "category": "prop",
            "position_hint": "dusk ransacked state on the daughter bedroom wall near the bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "daughter curtain opened with no body",
            "category": "opening",
            "position_hint": "clean morning state at the daughter bedroom curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          3
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 3]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B06": {
        "bg_id": "L05B06",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          3,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          15,
          16,
          17,
          18,
          19,
          25,
          26,
          27,
          28,
          29,
          30
        ],
        "ignore_numbered_elements": [
          24,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38
        ],
        "base_markers_to_reference": [
          {
            "number": 3,
            "label": "living-kitchen shared zone",
            "category": "area",
            "position_hint": "central and east portion of the plan, connected directly to the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "sink counter with faucet",
            "category": "prop",
            "position_hint": "west wall of the living-kitchen kitchenette run",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "two-burner stovetop",
            "category": "prop",
            "position_hint": "along the same kitchenette counter run near the sink",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "low TV stand and television",
            "category": "furniture",
            "position_hint": "north-east side of the living-kitchen, facing the table and seating area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "kitchen table",
            "category": "furniture",
            "position_hint": "middle of the living-kitchen shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "dining chairs",
            "category": "furniture",
            "position_hint": "clustered around the kitchen table in the living-kitchen",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "standing floor lamp",
            "category": "furniture",
            "position_hint": "living area corner near the TV side",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "mother bedroom private zone",
            "category": "area",
            "position_hint": "north-west room off the living-kitchen",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "mother bedroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the living-kitchen and the north-west bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "mother bedroom bed",
            "category": "furniture",
            "position_hint": "against the west or north wall inside the mother bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "daughter bedroom private zone",
            "category": "area",
            "position_hint": "north-east room off the living-kitchen",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "daughter bedroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the living-kitchen and the north-east bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "daughter bedroom bed",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom, bed head near the wall where later wall cues occur",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "daughter bedroom curtained window",
            "category": "opening",
            "position_hint": "outer wall of the daughter bedroom, behind or beside the curtain area",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bedroom storage shelf",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom near the door or foot of the bed",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 25,
            "label": "TV switched on with blue screen light",
            "category": "prop",
            "position_hint": "state cue at the TV stand in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 26,
            "label": "two tea cups, one overturned",
            "category": "prop",
            "position_hint": "murder-scene state on the kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "blood pool and footprint trail",
            "category": "prop",
            "position_hint": "murder-scene state across the daughter bedroom floor leading toward the curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "murder-scene state behind the daughter bedroom curtain at the curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled old photo in hand",
            "category": "prop",
            "position_hint": "murder-scene state at the body behind the daughter bedroom curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "red circle above daughter bed",
            "category": "prop",
            "position_hint": "murder-scene state on the wall above the daughter bedroom bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 24,
            "label": "rinsed herbs and herb tea cup",
            "category": "prop",
            "position_hint": "morning domestic state at the sink counter and kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "subtly shifted backpack and doll",
            "category": "prop",
            "position_hint": "clean-after-event state in the daughter bedroom near the storage shelf or bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle in bathroom mirror or wall",
            "category": "prop",
            "position_hint": "hallucination state at the bathroom sink and mirror wall; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "melting family photo hallucination",
            "category": "prop",
            "position_hint": "hallucination state at the kitchen table in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "ransack footprints through room",
            "category": "prop",
            "position_hint": "dusk ransacked state crossing the living-kitchen and toward the bedrooms; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "living window left open",
            "category": "opening",
            "position_hint": "dusk ransacked state at the small living-kitchen exterior window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "scattered belongings and fallen chairs",
            "category": "furniture",
            "position_hint": "dusk ransacked state around the kitchen table and shared zone floor; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "large red circle with bloodied old photo pinned",
            "category": "prop",
            "position_hint": "dusk ransacked state on the daughter bedroom wall near the bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "daughter curtain opened with no body",
            "category": "opening",
            "position_hint": "clean morning state at the daughter bedroom curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          3,
          11,
          15
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([3, 11, 15]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B07": {
        "bg_id": "L05B07",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          8,
          9,
          11,
          12,
          15,
          16,
          17,
          18,
          19,
          20,
          21,
          31
        ],
        "ignore_numbered_elements": [
          24,
          25,
          26,
          27,
          28,
          29,
          30,
          32,
          33,
          34,
          35,
          36,
          37,
          38
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "south side of the apartment, immediately inside the exterior door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "south wall, opening inward into the entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "living-kitchen shared zone",
            "category": "area",
            "position_hint": "central and east portion of the plan, connected directly to the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "kitchen table",
            "category": "furniture",
            "position_hint": "middle of the living-kitchen shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "dining chairs",
            "category": "furniture",
            "position_hint": "clustered around the kitchen table in the living-kitchen",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "mother bedroom private zone",
            "category": "area",
            "position_hint": "north-west room off the living-kitchen",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "mother bedroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the living-kitchen and the north-west bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "daughter bedroom private zone",
            "category": "area",
            "position_hint": "north-east room off the living-kitchen",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "daughter bedroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the living-kitchen and the north-east bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "daughter bedroom bed",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom, bed head near the wall where later wall cues occur",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "daughter bedroom curtained window",
            "category": "opening",
            "position_hint": "outer wall of the daughter bedroom, behind or beside the curtain area",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bedroom storage shelf",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom near the door or foot of the bed",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "bathroom service zone",
            "category": "area",
            "position_hint": "south-west compact service room near the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 21,
            "label": "bathroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the entry/living-kitchen and the bathroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 31,
            "label": "subtly shifted backpack and doll",
            "category": "prop",
            "position_hint": "clean-after-event state in the daughter bedroom near the storage shelf or bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 24,
            "label": "rinsed herbs and herb tea cup",
            "category": "prop",
            "position_hint": "morning domestic state at the sink counter and kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "TV switched on with blue screen light",
            "category": "prop",
            "position_hint": "state cue at the TV stand in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 26,
            "label": "two tea cups, one overturned",
            "category": "prop",
            "position_hint": "murder-scene state on the kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "blood pool and footprint trail",
            "category": "prop",
            "position_hint": "murder-scene state across the daughter bedroom floor leading toward the curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "murder-scene state behind the daughter bedroom curtain at the curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled old photo in hand",
            "category": "prop",
            "position_hint": "murder-scene state at the body behind the daughter bedroom curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "red circle above daughter bed",
            "category": "prop",
            "position_hint": "murder-scene state on the wall above the daughter bedroom bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle in bathroom mirror or wall",
            "category": "prop",
            "position_hint": "hallucination state at the bathroom sink and mirror wall; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "melting family photo hallucination",
            "category": "prop",
            "position_hint": "hallucination state at the kitchen table in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "ransack footprints through room",
            "category": "prop",
            "position_hint": "dusk ransacked state crossing the living-kitchen and toward the bedrooms; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "living window left open",
            "category": "opening",
            "position_hint": "dusk ransacked state at the small living-kitchen exterior window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "scattered belongings and fallen chairs",
            "category": "furniture",
            "position_hint": "dusk ransacked state around the kitchen table and shared zone floor; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "large red circle with bloodied old photo pinned",
            "category": "prop",
            "position_hint": "dusk ransacked state on the daughter bedroom wall near the bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "daughter curtain opened with no body",
            "category": "opening",
            "position_hint": "clean morning state at the daughter bedroom curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          3,
          11,
          15,
          20
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 3, 11, 15, 20]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B03": {
        "bg_id": "L05B03",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          3,
          8,
          11,
          12,
          13,
          14,
          15,
          16,
          17,
          18,
          19,
          38
        ],
        "ignore_numbered_elements": [
          24,
          25,
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37
        ],
        "base_markers_to_reference": [
          {
            "number": 3,
            "label": "living-kitchen shared zone",
            "category": "area",
            "position_hint": "central and east portion of the plan, connected directly to the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "kitchen table",
            "category": "furniture",
            "position_hint": "middle of the living-kitchen shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "mother bedroom private zone",
            "category": "area",
            "position_hint": "north-west room off the living-kitchen",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "mother bedroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the living-kitchen and the north-west bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "mother bedroom bed",
            "category": "furniture",
            "position_hint": "against the west or north wall inside the mother bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "mother bedroom wardrobe",
            "category": "furniture",
            "position_hint": "inside the mother bedroom along an interior wall near the door",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "daughter bedroom private zone",
            "category": "area",
            "position_hint": "north-east room off the living-kitchen",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "daughter bedroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the living-kitchen and the north-east bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "daughter bedroom bed",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom, bed head near the wall where later wall cues occur",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "daughter bedroom curtained window",
            "category": "opening",
            "position_hint": "outer wall of the daughter bedroom, behind or beside the curtain area",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bedroom storage shelf",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom near the door or foot of the bed",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 38,
            "label": "daughter curtain opened with no body",
            "category": "opening",
            "position_hint": "clean morning state at the daughter bedroom curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 24,
            "label": "rinsed herbs and herb tea cup",
            "category": "prop",
            "position_hint": "morning domestic state at the sink counter and kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "TV switched on with blue screen light",
            "category": "prop",
            "position_hint": "state cue at the TV stand in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 26,
            "label": "two tea cups, one overturned",
            "category": "prop",
            "position_hint": "murder-scene state on the kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "blood pool and footprint trail",
            "category": "prop",
            "position_hint": "murder-scene state across the daughter bedroom floor leading toward the curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "murder-scene state behind the daughter bedroom curtain at the curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled old photo in hand",
            "category": "prop",
            "position_hint": "murder-scene state at the body behind the daughter bedroom curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "red circle above daughter bed",
            "category": "prop",
            "position_hint": "murder-scene state on the wall above the daughter bedroom bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "subtly shifted backpack and doll",
            "category": "prop",
            "position_hint": "clean-after-event state in the daughter bedroom near the storage shelf or bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle in bathroom mirror or wall",
            "category": "prop",
            "position_hint": "hallucination state at the bathroom sink and mirror wall; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "melting family photo hallucination",
            "category": "prop",
            "position_hint": "hallucination state at the kitchen table in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "ransack footprints through room",
            "category": "prop",
            "position_hint": "dusk ransacked state crossing the living-kitchen and toward the bedrooms; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "living window left open",
            "category": "opening",
            "position_hint": "dusk ransacked state at the small living-kitchen exterior window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "scattered belongings and fallen chairs",
            "category": "furniture",
            "position_hint": "dusk ransacked state around the kitchen table and shared zone floor; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "large red circle with bloodied old photo pinned",
            "category": "prop",
            "position_hint": "dusk ransacked state on the daughter bedroom wall near the bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          3,
          11,
          15
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([3, 11, 15]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B04": {
        "bg_id": "L05B04",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          3,
          5,
          8,
          9,
          20,
          21,
          22,
          23,
          32,
          33
        ],
        "ignore_numbered_elements": [
          24,
          25,
          26,
          27,
          28,
          29,
          30,
          31,
          34,
          35,
          36,
          37,
          38
        ],
        "base_markers_to_reference": [
          {
            "number": 3,
            "label": "living-kitchen shared zone",
            "category": "area",
            "position_hint": "central and east portion of the plan, connected directly to the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "sink counter with faucet",
            "category": "prop",
            "position_hint": "west wall of the living-kitchen kitchenette run",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "kitchen table",
            "category": "furniture",
            "position_hint": "middle of the living-kitchen shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "dining chairs",
            "category": "furniture",
            "position_hint": "clustered around the kitchen table in the living-kitchen",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "bathroom service zone",
            "category": "area",
            "position_hint": "south-west compact service room near the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 21,
            "label": "bathroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the entry/living-kitchen and the bathroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "bathroom sink and mirror",
            "category": "prop",
            "position_hint": "inside the bathroom on the wall opposite or beside the door",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 23,
            "label": "toilet and compact shower fixture",
            "category": "prop",
            "position_hint": "rear side of the bathroom service zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 32,
            "label": "red circle in bathroom mirror or wall",
            "category": "prop",
            "position_hint": "hallucination state at the bathroom sink and mirror wall; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "melting family photo hallucination",
            "category": "prop",
            "position_hint": "hallucination state at the kitchen table in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 24,
            "label": "rinsed herbs and herb tea cup",
            "category": "prop",
            "position_hint": "morning domestic state at the sink counter and kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "TV switched on with blue screen light",
            "category": "prop",
            "position_hint": "state cue at the TV stand in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 26,
            "label": "two tea cups, one overturned",
            "category": "prop",
            "position_hint": "murder-scene state on the kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "blood pool and footprint trail",
            "category": "prop",
            "position_hint": "murder-scene state across the daughter bedroom floor leading toward the curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "murder-scene state behind the daughter bedroom curtain at the curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled old photo in hand",
            "category": "prop",
            "position_hint": "murder-scene state at the body behind the daughter bedroom curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "red circle above daughter bed",
            "category": "prop",
            "position_hint": "murder-scene state on the wall above the daughter bedroom bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "subtly shifted backpack and doll",
            "category": "prop",
            "position_hint": "clean-after-event state in the daughter bedroom near the storage shelf or bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "ransack footprints through room",
            "category": "prop",
            "position_hint": "dusk ransacked state crossing the living-kitchen and toward the bedrooms; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "living window left open",
            "category": "opening",
            "position_hint": "dusk ransacked state at the small living-kitchen exterior window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "scattered belongings and fallen chairs",
            "category": "furniture",
            "position_hint": "dusk ransacked state around the kitchen table and shared zone floor; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "large red circle with bloodied old photo pinned",
            "category": "prop",
            "position_hint": "dusk ransacked state on the daughter bedroom wall near the bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "daughter curtain opened with no body",
            "category": "opening",
            "position_hint": "clean morning state at the daughter bedroom curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          3,
          20
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([3, 20]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B02": {
        "bg_id": "L05B02",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          15,
          16,
          17,
          18,
          19,
          34,
          35,
          36
        ],
        "ignore_numbered_elements": [
          24,
          25,
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          37,
          38
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "entry threshold zone",
            "category": "area",
            "position_hint": "south side of the apartment, immediately inside the exterior door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "south wall, opening inward into the entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "living-kitchen shared zone",
            "category": "area",
            "position_hint": "central and east portion of the plan, connected directly to the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "small living-kitchen exterior window",
            "category": "opening",
            "position_hint": "east wall of the living-kitchen, near the table side",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "sink counter with faucet",
            "category": "prop",
            "position_hint": "west wall of the living-kitchen kitchenette run",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "two-burner stovetop",
            "category": "prop",
            "position_hint": "along the same kitchenette counter run near the sink",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "low TV stand and television",
            "category": "furniture",
            "position_hint": "north-east side of the living-kitchen, facing the table and seating area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "kitchen table",
            "category": "furniture",
            "position_hint": "middle of the living-kitchen shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "dining chairs",
            "category": "furniture",
            "position_hint": "clustered around the kitchen table in the living-kitchen",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "standing floor lamp",
            "category": "furniture",
            "position_hint": "living area corner near the TV side",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "daughter bedroom private zone",
            "category": "area",
            "position_hint": "north-east room off the living-kitchen",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "daughter bedroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the living-kitchen and the north-east bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "daughter bedroom bed",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom, bed head near the wall where later wall cues occur",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "daughter bedroom curtained window",
            "category": "opening",
            "position_hint": "outer wall of the daughter bedroom, behind or beside the curtain area",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bedroom storage shelf",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom near the door or foot of the bed",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 34,
            "label": "ransack footprints through room",
            "category": "prop",
            "position_hint": "dusk ransacked state crossing the living-kitchen and toward the bedrooms; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "living window left open",
            "category": "opening",
            "position_hint": "dusk ransacked state at the small living-kitchen exterior window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "scattered belongings and fallen chairs",
            "category": "furniture",
            "position_hint": "dusk ransacked state around the kitchen table and shared zone floor; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 24,
            "label": "rinsed herbs and herb tea cup",
            "category": "prop",
            "position_hint": "morning domestic state at the sink counter and kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "TV switched on with blue screen light",
            "category": "prop",
            "position_hint": "state cue at the TV stand in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 26,
            "label": "two tea cups, one overturned",
            "category": "prop",
            "position_hint": "murder-scene state on the kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "blood pool and footprint trail",
            "category": "prop",
            "position_hint": "murder-scene state across the daughter bedroom floor leading toward the curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "murder-scene state behind the daughter bedroom curtain at the curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled old photo in hand",
            "category": "prop",
            "position_hint": "murder-scene state at the body behind the daughter bedroom curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "red circle above daughter bed",
            "category": "prop",
            "position_hint": "murder-scene state on the wall above the daughter bedroom bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "subtly shifted backpack and doll",
            "category": "prop",
            "position_hint": "clean-after-event state in the daughter bedroom near the storage shelf or bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle in bathroom mirror or wall",
            "category": "prop",
            "position_hint": "hallucination state at the bathroom sink and mirror wall; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "melting family photo hallucination",
            "category": "prop",
            "position_hint": "hallucination state at the kitchen table in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "large red circle with bloodied old photo pinned",
            "category": "prop",
            "position_hint": "dusk ransacked state on the daughter bedroom wall near the bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "daughter curtain opened with no body",
            "category": "opening",
            "position_hint": "clean morning state at the daughter bedroom curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          3,
          15
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 3, 15]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B01": {
        "bg_id": "L05B01",
        "fp_id": "fp_l05_main",
        "use_numbered_elements": [
          3,
          4,
          8,
          9,
          15,
          16,
          17,
          18,
          19,
          34,
          35,
          36,
          37
        ],
        "ignore_numbered_elements": [
          24,
          25,
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          38
        ],
        "base_markers_to_reference": [
          {
            "number": 3,
            "label": "living-kitchen shared zone",
            "category": "area",
            "position_hint": "central and east portion of the plan, connected directly to the entry threshold",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "small living-kitchen exterior window",
            "category": "opening",
            "position_hint": "east wall of the living-kitchen, near the table side",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "kitchen table",
            "category": "furniture",
            "position_hint": "middle of the living-kitchen shared zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "dining chairs",
            "category": "furniture",
            "position_hint": "clustered around the kitchen table in the living-kitchen",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "daughter bedroom private zone",
            "category": "area",
            "position_hint": "north-east room off the living-kitchen",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "daughter bedroom hinged door",
            "category": "opening",
            "position_hint": "interior partition between the living-kitchen and the north-east bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "daughter bedroom bed",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom, bed head near the wall where later wall cues occur",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "daughter bedroom curtained window",
            "category": "opening",
            "position_hint": "outer wall of the daughter bedroom, behind or beside the curtain area",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bedroom storage shelf",
            "category": "furniture",
            "position_hint": "inside the daughter bedroom near the door or foot of the bed",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 34,
            "label": "ransack footprints through room",
            "category": "prop",
            "position_hint": "dusk ransacked state crossing the living-kitchen and toward the bedrooms; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "living window left open",
            "category": "opening",
            "position_hint": "dusk ransacked state at the small living-kitchen exterior window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "scattered belongings and fallen chairs",
            "category": "furniture",
            "position_hint": "dusk ransacked state around the kitchen table and shared zone floor; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "large red circle with bloodied old photo pinned",
            "category": "prop",
            "position_hint": "dusk ransacked state on the daughter bedroom wall near the bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 24,
            "label": "rinsed herbs and herb tea cup",
            "category": "prop",
            "position_hint": "morning domestic state at the sink counter and kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "TV switched on with blue screen light",
            "category": "prop",
            "position_hint": "state cue at the TV stand in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 26,
            "label": "two tea cups, one overturned",
            "category": "prop",
            "position_hint": "murder-scene state on the kitchen table; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 27,
            "label": "blood pool and footprint trail",
            "category": "prop",
            "position_hint": "murder-scene state across the daughter bedroom floor leading toward the curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "body behind curtain",
            "category": "prop",
            "position_hint": "murder-scene state behind the daughter bedroom curtain at the curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "crumpled old photo in hand",
            "category": "prop",
            "position_hint": "murder-scene state at the body behind the daughter bedroom curtain; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "red circle above daughter bed",
            "category": "prop",
            "position_hint": "murder-scene state on the wall above the daughter bedroom bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "subtly shifted backpack and doll",
            "category": "prop",
            "position_hint": "clean-after-event state in the daughter bedroom near the storage shelf or bed; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle in bathroom mirror or wall",
            "category": "prop",
            "position_hint": "hallucination state at the bathroom sink and mirror wall; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "melting family photo hallucination",
            "category": "prop",
            "position_hint": "hallucination state at the kitchen table in the living-kitchen; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "daughter curtain opened with no body",
            "category": "opening",
            "position_hint": "clean morning state at the daughter bedroom curtained window; overlay only, not drawn on base plan",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          3,
          15
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([3, 15]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L08B01": {
        "bg_id": "L08B01",
        "fp_id": "fp_l08_mart_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16,
          18,
          19
        ],
        "ignore_numbered_elements": [
          17
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "mart building frontage footprint",
            "category": "area",
            "position_hint": "north third of plan, long rectangular retail frontage facing the sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "main sliding glass entrance",
            "category": "opening",
            "position_hint": "center of north facade, opening onto the entrance apron",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "storefront window band",
            "category": "opening",
            "position_hint": "along the north facade, flanking the main entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "covered entrance threshold apron",
            "category": "area",
            "position_hint": "directly south of the main entrance between facade and sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "public sidewalk zone",
            "category": "area",
            "position_hint": "middle band of plan running east-west in front of the mart",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "fixed bicycle rack and parking bay",
            "category": "prop",
            "position_hint": "east side of the sidewalk near the entrance threshold",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "curbside street lane",
            "category": "area",
            "position_hint": "south edge of plan, parallel to the sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "curbside pickup bay",
            "category": "area",
            "position_hint": "southwest curb edge beside the sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "sidewalk utility strip",
            "category": "area",
            "position_hint": "outer sidewalk strip between pedestrian zone and curb",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "side service door",
            "category": "opening",
            "position_hint": "west end of the mart facade, separate from the main entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "facade sign panel",
            "category": "prop",
            "position_hint": "mounted on the facade above or beside the storefront window band",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "facade CCTV camera fixture",
            "category": "prop",
            "position_hint": "upper corner of mart facade, angled toward the entrance and sidewalk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "CCTV coverage sightline zone",
            "category": "area",
            "position_hint": "dashed wedge from the facade CCTV fixture across the entrance apron and sidewalk toward the curb",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 14,
            "label": "dusk taxi vehicles at curb",
            "category": "prop",
            "position_hint": "inside the curbside street lane and pickup bay near the southwest edge",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "dusk vendor carts and crowd clusters",
            "category": "prop",
            "position_hint": "along the sidewalk utility strip and curb edge",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "person trying phone outside entrance",
            "category": "prop",
            "position_hint": "on the public sidewalk near the entrance threshold",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "dusk sign glow state",
            "category": "prop",
            "position_hint": "on the facade sign panel and storefront edge during the busy dusk state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "temporarily parked bicycle",
            "category": "prop",
            "position_hint": "at the bicycle rack and parking bay near the east side of the entrance",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 17,
            "label": "early morning CCTV position-check pair",
            "category": "prop",
            "position_hint": "within the CCTV coverage zone on the sidewalk, looking back toward the facade camera",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          4,
          5,
          7,
          8,
          9,
          13
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 4, 5, 7, 8, 9, 13]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L08B02": {
        "bg_id": "L08B02",
        "fp_id": "fp_l08_mart_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          17,
          19
        ],
        "ignore_numbered_elements": [
          14,
          15,
          16,
          18
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "mart building frontage footprint",
            "category": "area",
            "position_hint": "north third of plan, long rectangular retail frontage facing the sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "main sliding glass entrance",
            "category": "opening",
            "position_hint": "center of north facade, opening onto the entrance apron",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "storefront window band",
            "category": "opening",
            "position_hint": "along the north facade, flanking the main entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "covered entrance threshold apron",
            "category": "area",
            "position_hint": "directly south of the main entrance between facade and sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "public sidewalk zone",
            "category": "area",
            "position_hint": "middle band of plan running east-west in front of the mart",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "fixed bicycle rack and parking bay",
            "category": "prop",
            "position_hint": "east side of the sidewalk near the entrance threshold",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "curbside street lane",
            "category": "area",
            "position_hint": "south edge of plan, parallel to the sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "curbside pickup bay",
            "category": "area",
            "position_hint": "southwest curb edge beside the sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "sidewalk utility strip",
            "category": "area",
            "position_hint": "outer sidewalk strip between pedestrian zone and curb",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "side service door",
            "category": "opening",
            "position_hint": "west end of the mart facade, separate from the main entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "facade sign panel",
            "category": "prop",
            "position_hint": "mounted on the facade above or beside the storefront window band",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "facade CCTV camera fixture",
            "category": "prop",
            "position_hint": "upper corner of mart facade, angled toward the entrance and sidewalk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "CCTV coverage sightline zone",
            "category": "area",
            "position_hint": "dashed wedge from the facade CCTV fixture across the entrance apron and sidewalk toward the curb",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 17,
            "label": "early morning CCTV position-check pair",
            "category": "prop",
            "position_hint": "within the CCTV coverage zone on the sidewalk, looking back toward the facade camera",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "temporarily parked bicycle",
            "category": "prop",
            "position_hint": "at the bicycle rack and parking bay near the east side of the entrance",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 14,
            "label": "dusk taxi vehicles at curb",
            "category": "prop",
            "position_hint": "inside the curbside street lane and pickup bay near the southwest edge",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "dusk vendor carts and crowd clusters",
            "category": "prop",
            "position_hint": "along the sidewalk utility strip and curb edge",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "person trying phone outside entrance",
            "category": "prop",
            "position_hint": "on the public sidewalk near the entrance threshold",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "dusk sign glow state",
            "category": "prop",
            "position_hint": "on the facade sign panel and storefront edge during the busy dusk state",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          4,
          5,
          7,
          8,
          9,
          13
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 4, 5, 7, 8, 9, 13]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L10B01": {
        "bg_id": "L10B01",
        "fp_id": "fp_l10_security_office",
        "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": "main security office",
            "category": "area",
            "position_hint": "central rectangular room footprint occupying most of the plan",
            "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 edge of the office beside the corridor door",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "CCTV work zone",
            "category": "area",
            "position_hint": "north and east side of the room around the workstation wall",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "staff seating zone",
            "category": "area",
            "position_hint": "center and southwest portion of the office facing the monitor wall",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "swing door to service corridor",
            "category": "opening",
            "position_hint": "south wall, slightly west of center, opening inward into the threshold zone",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "interior observation window",
            "category": "opening",
            "position_hint": "west wall near the staff seating zone, shown as double parallel window lines",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "CCTV workstation desk",
            "category": "furniture",
            "position_hint": "against the north wall and turning along the east wall as a compact L-shaped desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "CCTV monitor bank",
            "category": "prop",
            "position_hint": "north wall above or directly behind the workstation desk, drawn as a row of small flat screen rectangles",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "operator chair",
            "category": "furniture",
            "position_hint": "inside the L-shaped workstation, facing north toward the monitor bank",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "staff visitor chairs",
            "category": "furniture",
            "position_hint": "center-left seating area, two simple chairs facing the workstation and monitors",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "filing cabinet",
            "category": "furniture",
            "position_hint": "northwest corner along the west wall",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "recorder equipment rack",
            "category": "prop",
            "position_hint": "east wall near the workstation desk, adjacent to the monitor controls",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "unclear dark CCTV playback",
            "category": "prop",
            "position_hint": "transient image state inside the monitor bank at number 8; not drawn on the base floor plan",
            "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
        ],
        "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)"
        ]
      },
      "L12B02": {
        "bg_id": "L12B02",
        "fp_id": "fp_police_office_main",
        "use_numbered_elements": [
          1,
          2,
          5,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          18
        ],
        "ignore_numbered_elements": [
          15,
          16,
          17,
          19
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "Shared open office area",
            "category": "area",
            "position_hint": "central majority of the room, containing the detective desks and circulation path",
            "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": "southwest edge of the office immediately inside the main corridor entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "Main corridor entrance door",
            "category": "opening",
            "position_hint": "southwest wall, swinging inward from the corridor into the threshold zone",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "Exterior window band",
            "category": "opening",
            "position_hint": "north wall, long horizontal window band above the desk area",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "Central detective desk island",
            "category": "furniture",
            "position_hint": "center-left of shared office area, grouped desks with chairs and desktop PCs",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "Duty detective desk with desktop monitor",
            "category": "furniture",
            "position_hint": "north-central portion of shared office area, monitor facing into the room",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "Investigator desk",
            "category": "furniture",
            "position_hint": "south-central to southeast evidence desk zone, angled toward the shared office",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "Visitor chair beside investigator desk",
            "category": "furniture",
            "position_hint": "beside number 10, placed for a waiting visitor to sit at the desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "Records cabinets and shelving",
            "category": "furniture",
            "position_hint": "east wall within the records and utility service strip",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "Coffee and water station",
            "category": "prop",
            "position_hint": "southeast side of the service strip, near the investigator desk zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "Printer and copier station",
            "category": "prop",
            "position_hint": "east wall service strip, between records cabinets and office desks",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 18,
            "label": "Smartphone number display",
            "category": "prop",
            "position_hint": "near number 9 or held at the duty desk during the night phone-tracing request moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 15,
            "label": "Murder photo spread on desk",
            "category": "prop",
            "position_hint": "on top of number 10, scattered across the investigator desk during the daytime evidence moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "GPS location result on monitor",
            "category": "prop",
            "position_hint": "inside the screen area of number 9 during the daytime location-result moment",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "Signing paperwork stack",
            "category": "prop",
            "position_hint": "on or near number 9, used for missing-person and call-request signatures in the daytime office moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "Coordinate note and pen",
            "category": "prop",
            "position_hint": "on or near number 10, used to copy the monitor coordinates during the daytime office moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "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)"
        ]
      },
      "L12B01": {
        "bg_id": "L12B01",
        "fp_id": "fp_police_office_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16,
          17,
          19
        ],
        "ignore_numbered_elements": [
          18
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "Shared open office area",
            "category": "area",
            "position_hint": "central majority of the room, containing the detective desks and circulation path",
            "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": "southwest edge of the office immediately inside the main corridor entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "Records and utility service strip",
            "category": "area",
            "position_hint": "east wall strip beside cabinets, printer, and coffee station",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "Investigator evidence desk zone",
            "category": "area",
            "position_hint": "south-central to southeast portion around the personal desk and visitor chair",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "Main corridor entrance door",
            "category": "opening",
            "position_hint": "southwest wall, swinging inward from the corridor into the threshold zone",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "Meeting-room side door",
            "category": "opening",
            "position_hint": "northwest wall, leading toward an internal meeting or operations area",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "Exterior window band",
            "category": "opening",
            "position_hint": "north wall, long horizontal window band above the desk area",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "Central detective desk island",
            "category": "furniture",
            "position_hint": "center-left of shared office area, grouped desks with chairs and desktop PCs",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "Duty detective desk with desktop monitor",
            "category": "furniture",
            "position_hint": "north-central portion of shared office area, monitor facing into the room",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "Investigator desk",
            "category": "furniture",
            "position_hint": "south-central to southeast evidence desk zone, angled toward the shared office",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "Visitor chair beside investigator desk",
            "category": "furniture",
            "position_hint": "beside number 10, placed for a waiting visitor to sit at the desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "Records cabinets and shelving",
            "category": "furniture",
            "position_hint": "east wall within the records and utility service strip",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "Coffee and water station",
            "category": "prop",
            "position_hint": "southeast side of the service strip, near the investigator desk zone",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "Printer and copier station",
            "category": "prop",
            "position_hint": "east wall service strip, between records cabinets and office desks",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 15,
            "label": "Murder photo spread on desk",
            "category": "prop",
            "position_hint": "on top of number 10, scattered across the investigator desk during the daytime evidence moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "GPS location result on monitor",
            "category": "prop",
            "position_hint": "inside the screen area of number 9 during the daytime location-result moment",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "Signing paperwork stack",
            "category": "prop",
            "position_hint": "on or near number 9, used for missing-person and call-request signatures in the daytime office moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "Coordinate note and pen",
            "category": "prop",
            "position_hint": "on or near number 10, used to copy the monitor coordinates during the daytime office moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 18,
            "label": "Smartphone number display",
            "category": "prop",
            "position_hint": "near number 9 or held at the duty desk during the night phone-tracing request moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "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)"
        ]
      },
      "L13B01": {
        "bg_id": "L13B01",
        "fp_id": "fp_police_station_exterior_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "station building footprint",
            "category": "area",
            "position_hint": "north half of plan, rectangular civic building frontage facing south",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "main glass entrance doors",
            "category": "opening",
            "position_hint": "center of south facade of station building footprint",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "front facade window row",
            "category": "opening",
            "position_hint": "south wall of building, left and right of the main entrance",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "entrance steps and landing",
            "category": "area",
            "position_hint": "immediately south of main entrance, shallow threshold platform",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "accessibility ramp",
            "category": "area",
            "position_hint": "east side of entrance landing, sloping threshold route toward sidewalk",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "front pedestrian sidewalk",
            "category": "area",
            "position_hint": "middle band across the frontage, between building threshold and curb",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "small parking and service bay",
            "category": "area",
            "position_hint": "southwest side of plan adjacent to sidewalk and street edge",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "curbside street lane",
            "category": "area",
            "position_hint": "south edge of plan, running east to west in front of the station",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "fixed bicycle parking rack",
            "category": "prop",
            "position_hint": "southeast side of sidewalk near curb, close to the departure side",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "front station sign panel",
            "category": "prop",
            "position_hint": "near main entrance on facade or freestanding at the entrance landing",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 11,
            "label": "departing bicycle with rider",
            "category": "prop",
            "position_hint": "overlay only, starts near bicycle rack and moves toward curbside street lane",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "urgent bicycle departure path",
            "category": "prop",
            "position_hint": "overlay only, diagonal movement path from bicycle parking area across sidewalk toward street",
            "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,
          4,
          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, 4, 5, 6, 7, 8]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L16B01": {
        "bg_id": "L16B01",
        "fp_id": "fp_fishing_boat_deck",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "open working deck shared zone",
            "category": "area",
            "position_hint": "large central and aft deck area behind the wheelhouse",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "forward wheelhouse service zone",
            "category": "area",
            "position_hint": "top/north portion of the boat footprint, shown as a partial cabin block",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "wheelhouse threshold zone",
            "category": "area",
            "position_hint": "narrow beige strip immediately outside the wheelhouse entry on the aft side of the wheelhouse",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "wheelhouse entry door opening",
            "category": "opening",
            "position_hint": "center of the aft wall of the wheelhouse, opening onto the deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "deck-facing wheelhouse window",
            "category": "opening",
            "position_hint": "aft-facing wall of the wheelhouse, beside or above the entry line facing the open deck",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "port side rail and gunwale",
            "category": "prop",
            "position_hint": "left/west edge of the open deck running lengthwise",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "starboard side rail and gunwale",
            "category": "prop",
            "position_hint": "right/east edge of the open deck running lengthwise",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "stern rail and transom barrier",
            "category": "prop",
            "position_hint": "bottom/south end of the open deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "central fish-hold hatch",
            "category": "prop",
            "position_hint": "center of the open deck floor between the side benches",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "port side low bench seat",
            "category": "furniture",
            "position_hint": "left/west side of the open deck, parallel to the port rail",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "starboard side low bench seat",
            "category": "furniture",
            "position_hint": "right/east side of the open deck, parallel to the starboard rail",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "surrounding exterior water margin",
            "category": "area",
            "position_hint": "pale gray margin outside the boat hull outline on all sides",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "loose nautical map for exchange",
            "category": "prop",
            "position_hint": "temporary hand-held or bench-top item near the seating area on the open deck; not drawn on the base floor plan",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "old photograph for exchange",
            "category": "prop",
            "position_hint": "temporary hand-held item near the map during the deck conversation; not drawn on the base floor plan",
            "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,
          12
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 12]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L17B01": {
        "bg_id": "L17B01",
        "fp_id": "fp_fishing_boat_wheelhouse",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "Main wheelhouse interior",
            "category": "area",
            "position_hint": "central compact cabin footprint, shared standing and helm area",
            "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": "south edge of wheelhouse at deck entry strip",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "Forward helm console",
            "category": "prop",
            "position_hint": "north wall, centered below forward windshield",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "Steering wheel",
            "category": "prop",
            "position_hint": "mounted on forward helm console, slightly starboard of center",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "Throttle and switch cluster",
            "category": "prop",
            "position_hint": "on helm console to starboard side of steering wheel",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "Instrument and navigation display panel",
            "category": "prop",
            "position_hint": "upper face of forward helm console, behind steering wheel",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "Forward wraparound windshield",
            "category": "opening",
            "position_hint": "north wall and forward corners of wheelhouse",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "Port side window",
            "category": "opening",
            "position_hint": "west wall, long narrow window segment",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "Starboard side window",
            "category": "opening",
            "position_hint": "east wall, long narrow window segment",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "Aft sliding entry door",
            "category": "opening",
            "position_hint": "south wall, centered opening from aft deck into wheelhouse",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "Narrow operator seat",
            "category": "furniture",
            "position_hint": "just aft of helm console, slightly port of center",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "Built-in chart shelf and cupboard",
            "category": "prop",
            "position_hint": "port forward corner beside helm console",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "Starboard interior bulkhead panel",
            "category": "area",
            "position_hint": "east interior wall surface between side window and aft entry",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 14,
            "label": "Old photograph clue",
            "category": "prop",
            "position_hint": "temporary clue held or placed near the helm console during confrontation state",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "Red circular markings",
            "category": "prop",
            "position_hint": "temporary or perception-dependent markings visible across forward and starboard interior surfaces during confrontation state",
            "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,
          13
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 13]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      }
    }
  },
  "step_id": "floor_plan_overlay_payload",
  "run_id": "88ecc23b-47bb-4e76-a439-a42ad5abd9b7",
  "resolved_model": "gpt",
  "updated_at": "2026-07-08T04:03:30.680030+00:00",
  "project_config_snapshot": {}
}