{
  "status": "completed",
  "applicable_count": 1,
  "completed_count": 1,
  "failed_count": 0,
  "schema_version": 1,
  "config_hash": "e694001a14b275a1",
  "data": {
    "overlays": {
      "L04B02": {
        "bg_id": "L04B02",
        "fp_id": "fp_rooftop_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9
        ],
        "ignore_numbered_elements": [
          10,
          11,
          12,
          13,
          14
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "Open rooftop deck",
            "category": "area",
            "position_hint": "open roof surface",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "Rooftop room exterior footprint",
            "category": "area",
            "position_hint": "attached rooftop room structure",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "Rooftop stair access",
            "category": "opening",
            "position_hint": "roof access threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "Low parapet edge",
            "category": "prop",
            "position_hint": "around roof edge",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "Iron entrance door",
            "category": "opening",
            "position_hint": "at rooftop room entry",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "Small exterior window",
            "category": "opening",
            "position_hint": "on rooftop room exterior",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "Rooftop water tank",
            "category": "prop",
            "position_hint": "on roof deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "Clothesline",
            "category": "prop",
            "position_hint": "across roof deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "Low bench platform",
            "category": "furniture",
            "position_hint": "on roof deck",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 10,
            "label": "Advertising flyer in door gap",
            "category": "prop",
            "position_hint": "at iron door gap",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "Attack shadow in window",
            "category": "prop",
            "position_hint": "in exterior window",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "Black cat crossing",
            "category": "prop",
            "position_hint": "near rooftop room and parapet",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "Dried herb leaves on platform",
            "category": "prop",
            "position_hint": "on low bench platform",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "Lit rooftop room glow",
            "category": "prop",
            "position_hint": "from rooftop room opening",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": true,
        "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)"
        ]
      },
      "L04B03": {
        "bg_id": "L04B03",
        "fp_id": "fp_rooftop_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          13,
          14
        ],
        "ignore_numbered_elements": [
          12
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "Open rooftop deck",
            "category": "area",
            "position_hint": "open roof surface",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "Rooftop room exterior footprint",
            "category": "area",
            "position_hint": "attached rooftop room structure",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "Rooftop stair access",
            "category": "opening",
            "position_hint": "roof access threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "Low parapet edge",
            "category": "prop",
            "position_hint": "around roof edge",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "Iron entrance door",
            "category": "opening",
            "position_hint": "at rooftop room entry",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "Small exterior window",
            "category": "opening",
            "position_hint": "on rooftop room exterior",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "Rooftop water tank",
            "category": "prop",
            "position_hint": "on roof deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "Clothesline",
            "category": "prop",
            "position_hint": "across roof deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "Low bench platform",
            "category": "furniture",
            "position_hint": "on roof deck",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 10,
            "label": "Advertising flyer in door gap",
            "category": "prop",
            "position_hint": "at iron door gap",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "Attack shadow in window",
            "category": "prop",
            "position_hint": "in exterior window",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "Dried herb leaves on platform",
            "category": "prop",
            "position_hint": "on low bench platform",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "Lit rooftop room glow",
            "category": "prop",
            "position_hint": "from rooftop room opening",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 12,
            "label": "Black cat crossing",
            "category": "prop",
            "position_hint": "near rooftop room and parapet",
            "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)"
        ]
      },
      "L04B01": {
        "bg_id": "L04B01",
        "fp_id": "fp_rooftop_exterior",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          12,
          14
        ],
        "ignore_numbered_elements": [
          10,
          11,
          13
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "Open rooftop deck",
            "category": "area",
            "position_hint": "open roof surface",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "Rooftop room exterior footprint",
            "category": "area",
            "position_hint": "attached rooftop room structure",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "Rooftop stair access",
            "category": "opening",
            "position_hint": "roof access threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "Low parapet edge",
            "category": "prop",
            "position_hint": "around roof edge",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "Iron entrance door",
            "category": "opening",
            "position_hint": "at rooftop room entry",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "Small exterior window",
            "category": "opening",
            "position_hint": "on rooftop room exterior",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "Rooftop water tank",
            "category": "prop",
            "position_hint": "on roof deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "Clothesline",
            "category": "prop",
            "position_hint": "across roof deck",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "Low bench platform",
            "category": "furniture",
            "position_hint": "on roof deck",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 12,
            "label": "Black cat crossing",
            "category": "prop",
            "position_hint": "near rooftop room and parapet",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "Lit rooftop room glow",
            "category": "prop",
            "position_hint": "from rooftop room opening",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 10,
            "label": "Advertising flyer in door gap",
            "category": "prop",
            "position_hint": "at iron door gap",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "Attack shadow in window",
            "category": "prop",
            "position_hint": "in exterior window",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "Dried herb leaves on platform",
            "category": "prop",
            "position_hint": "on low bench platform",
            "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)"
        ]
      },
      "L05B01": {
        "bg_id": "L05B01",
        "fp_id": "fp_rooftop_room_interior",
        "use_numbered_elements": [
          1,
          2,
          3,
          7,
          8,
          13,
          14,
          15,
          16,
          17,
          26,
          27,
          42
        ],
        "ignore_numbered_elements": [
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "living area",
            "category": "area",
            "position_hint": "main shared room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "kitchen line",
            "category": "area",
            "position_hint": "within shared room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entry threshold",
            "category": "area",
            "position_hint": "by entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "at entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "small living window",
            "category": "opening",
            "position_hint": "in living area wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "kitchen sink faucet",
            "category": "prop",
            "position_hint": "in kitchen line",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "cooktop",
            "category": "prop",
            "position_hint": "in kitchen line",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "dining table and chairs",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "television",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "floor lamp",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 26,
            "label": "family photo on table",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 27,
            "label": "herbal decoction pot and cup",
            "category": "prop",
            "position_hint": "kitchen and dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "television news broadcast",
            "category": "prop",
            "position_hint": "on television",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 28,
            "label": "two teacups with one overturned",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "corpse by curtain",
            "category": "prop",
            "position_hint": "behind daughter room curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "blood on bedroom floor and footprints",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "crumpled old photograph",
            "category": "prop",
            "position_hint": "near corpse",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle on bedroom wall",
            "category": "prop",
            "position_hint": "above daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "clean restored bedroom state",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack and doll positions",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "red circle in bathroom mirror vision",
            "category": "prop",
            "position_hint": "on bathroom mirror reflection",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "melting face in table photo vision",
            "category": "prop",
            "position_hint": "on family photo",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "ransacked belongings and footprints",
            "category": "prop",
            "position_hint": "through shared area",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "overturned dining chairs",
            "category": "furniture",
            "position_hint": "around dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at living window",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "red circle with blood-tipped photo pinned",
            "category": "prop",
            "position_hint": "on daughter bedroom wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "misaligned rattling entrance door",
            "category": "opening",
            "position_hint": "at steel entrance door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B07": {
        "bg_id": "L05B07",
        "fp_id": "fp_rooftop_room_interior",
        "use_numbered_elements": [
          5,
          10,
          12,
          19,
          20,
          25,
          28,
          29,
          30,
          31,
          32
        ],
        "ignore_numbered_elements": [
          27,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42
        ],
        "base_markers_to_reference": [
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "private room off shared area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "between shared area and daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter room window",
            "category": "opening",
            "position_hint": "in daughter bedroom wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "daughter room curtain",
            "category": "furniture",
            "position_hint": "by daughter room window",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "backpack with doll",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 28,
            "label": "two teacups with one overturned",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "corpse by curtain",
            "category": "prop",
            "position_hint": "behind daughter room curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "blood on bedroom floor and footprints",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "crumpled old photograph",
            "category": "prop",
            "position_hint": "near corpse",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle on bedroom wall",
            "category": "prop",
            "position_hint": "above daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 27,
            "label": "herbal decoction pot and cup",
            "category": "prop",
            "position_hint": "kitchen and dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "clean restored bedroom state",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack and doll positions",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "red circle in bathroom mirror vision",
            "category": "prop",
            "position_hint": "on bathroom mirror reflection",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "melting face in table photo vision",
            "category": "prop",
            "position_hint": "on family photo",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "ransacked belongings and footprints",
            "category": "prop",
            "position_hint": "through shared area",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "overturned dining chairs",
            "category": "furniture",
            "position_hint": "around dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at living window",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "red circle with blood-tipped photo pinned",
            "category": "prop",
            "position_hint": "on daughter bedroom wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "misaligned rattling entrance door",
            "category": "opening",
            "position_hint": "at steel entrance door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "television news broadcast",
            "category": "prop",
            "position_hint": "on television",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          5
        ],
        "dominant_target_unit_marker_number": 5,
        "clean_background_expected": false,
        "diagnostics": []
      },
      "L05B08": {
        "bg_id": "L05B08",
        "fp_id": "fp_rooftop_room_interior",
        "use_numbered_elements": [
          1,
          3,
          5,
          7,
          10,
          12,
          15,
          19,
          20,
          25,
          33,
          34
        ],
        "ignore_numbered_elements": [
          27,
          28,
          29,
          30,
          31,
          32,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "living area",
            "category": "area",
            "position_hint": "main shared room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entry threshold",
            "category": "area",
            "position_hint": "by entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "private room off shared area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "at entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "between shared area and daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter room window",
            "category": "opening",
            "position_hint": "in daughter bedroom wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "dining table and chairs",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "daughter room curtain",
            "category": "furniture",
            "position_hint": "by daughter room window",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "backpack with doll",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 33,
            "label": "clean restored bedroom state",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack and doll positions",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 27,
            "label": "herbal decoction pot and cup",
            "category": "prop",
            "position_hint": "kitchen and dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "two teacups with one overturned",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "corpse by curtain",
            "category": "prop",
            "position_hint": "behind daughter room curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "blood on bedroom floor and footprints",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "crumpled old photograph",
            "category": "prop",
            "position_hint": "near corpse",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle on bedroom wall",
            "category": "prop",
            "position_hint": "above daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "red circle in bathroom mirror vision",
            "category": "prop",
            "position_hint": "on bathroom mirror reflection",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "melting face in table photo vision",
            "category": "prop",
            "position_hint": "on family photo",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "ransacked belongings and footprints",
            "category": "prop",
            "position_hint": "through shared area",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "overturned dining chairs",
            "category": "furniture",
            "position_hint": "around dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at living window",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "red circle with blood-tipped photo pinned",
            "category": "prop",
            "position_hint": "on daughter bedroom wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "misaligned rattling entrance door",
            "category": "opening",
            "position_hint": "at steel entrance door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "television news broadcast",
            "category": "prop",
            "position_hint": "on television",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          3,
          5
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 3, 5]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B06": {
        "bg_id": "L05B06",
        "fp_id": "fp_rooftop_room_interior",
        "use_numbered_elements": [
          1,
          3,
          4,
          5,
          7,
          9,
          10,
          12,
          18,
          19,
          20,
          25,
          33
        ],
        "ignore_numbered_elements": [
          27,
          28,
          29,
          30,
          31,
          32,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          41,
          42
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "living area",
            "category": "area",
            "position_hint": "main shared room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entry threshold",
            "category": "area",
            "position_hint": "by entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "mother bedroom",
            "category": "area",
            "position_hint": "private room off shared area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "private room off shared area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "at entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "mother bedroom door",
            "category": "opening",
            "position_hint": "between shared area and mother bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "between shared area and daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter room window",
            "category": "opening",
            "position_hint": "in daughter bedroom wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 18,
            "label": "mother bed",
            "category": "furniture",
            "position_hint": "in mother bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "daughter room curtain",
            "category": "furniture",
            "position_hint": "by daughter room window",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "backpack with doll",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 33,
            "label": "clean restored bedroom state",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 27,
            "label": "herbal decoction pot and cup",
            "category": "prop",
            "position_hint": "kitchen and dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "two teacups with one overturned",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "corpse by curtain",
            "category": "prop",
            "position_hint": "behind daughter room curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "blood on bedroom floor and footprints",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "crumpled old photograph",
            "category": "prop",
            "position_hint": "near corpse",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle on bedroom wall",
            "category": "prop",
            "position_hint": "above daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack and doll positions",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "red circle in bathroom mirror vision",
            "category": "prop",
            "position_hint": "on bathroom mirror reflection",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "melting face in table photo vision",
            "category": "prop",
            "position_hint": "on family photo",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "ransacked belongings and footprints",
            "category": "prop",
            "position_hint": "through shared area",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "overturned dining chairs",
            "category": "furniture",
            "position_hint": "around dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at living window",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "red circle with blood-tipped photo pinned",
            "category": "prop",
            "position_hint": "on daughter bedroom wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "misaligned rattling entrance door",
            "category": "opening",
            "position_hint": "at steel entrance door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "television news broadcast",
            "category": "prop",
            "position_hint": "on television",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          3,
          4,
          5
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 3, 4, 5]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B05": {
        "bg_id": "L05B05",
        "fp_id": "fp_rooftop_room_interior",
        "use_numbered_elements": [
          1,
          5,
          6,
          10,
          11,
          12,
          15,
          21,
          22,
          23,
          24,
          26,
          35,
          36
        ],
        "ignore_numbered_elements": [
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          37,
          38,
          39,
          40,
          41,
          42
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "living area",
            "category": "area",
            "position_hint": "main shared room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "private room off shared area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "compact bathroom",
            "category": "area",
            "position_hint": "service room off shared area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "between shared area and daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "bathroom door",
            "category": "opening",
            "position_hint": "between shared area and bathroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter room window",
            "category": "opening",
            "position_hint": "in daughter bedroom wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "dining table and chairs",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 21,
            "label": "bathroom sink",
            "category": "prop",
            "position_hint": "in bathroom",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 22,
            "label": "toilet",
            "category": "prop",
            "position_hint": "in bathroom",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 23,
            "label": "shower area",
            "category": "prop",
            "position_hint": "in bathroom",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 24,
            "label": "bathroom mirror",
            "category": "prop",
            "position_hint": "above bathroom sink",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 26,
            "label": "family photo on table",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 35,
            "label": "red circle in bathroom mirror vision",
            "category": "prop",
            "position_hint": "on bathroom mirror reflection",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "melting face in table photo vision",
            "category": "prop",
            "position_hint": "on family photo",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 27,
            "label": "herbal decoction pot and cup",
            "category": "prop",
            "position_hint": "kitchen and dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "two teacups with one overturned",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "corpse by curtain",
            "category": "prop",
            "position_hint": "behind daughter room curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "blood on bedroom floor and footprints",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "crumpled old photograph",
            "category": "prop",
            "position_hint": "near corpse",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle on bedroom wall",
            "category": "prop",
            "position_hint": "above daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "clean restored bedroom state",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack and doll positions",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "ransacked belongings and footprints",
            "category": "prop",
            "position_hint": "through shared area",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "overturned dining chairs",
            "category": "furniture",
            "position_hint": "around dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at living window",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "red circle with blood-tipped photo pinned",
            "category": "prop",
            "position_hint": "on daughter bedroom wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "misaligned rattling entrance door",
            "category": "opening",
            "position_hint": "at steel entrance door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "television news broadcast",
            "category": "prop",
            "position_hint": "on television",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          5,
          6
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 5, 6]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B04": {
        "bg_id": "L05B04",
        "fp_id": "fp_rooftop_room_interior",
        "use_numbered_elements": [
          1,
          2,
          3,
          5,
          7,
          8,
          10,
          12,
          13,
          14,
          15,
          16,
          17,
          19,
          20,
          25,
          26,
          37,
          38,
          39
        ],
        "ignore_numbered_elements": [
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          40,
          41,
          42
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "living area",
            "category": "area",
            "position_hint": "main shared room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "kitchen line",
            "category": "area",
            "position_hint": "within shared room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entry threshold",
            "category": "area",
            "position_hint": "by entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "private room off shared area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "at entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "small living window",
            "category": "opening",
            "position_hint": "in living area wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "between shared area and daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter room window",
            "category": "opening",
            "position_hint": "in daughter bedroom wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "kitchen sink faucet",
            "category": "prop",
            "position_hint": "in kitchen line",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "cooktop",
            "category": "prop",
            "position_hint": "in kitchen line",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "dining table and chairs",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "television",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "floor lamp",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "daughter room curtain",
            "category": "furniture",
            "position_hint": "by daughter room window",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "backpack with doll",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 26,
            "label": "family photo on table",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 37,
            "label": "ransacked belongings and footprints",
            "category": "prop",
            "position_hint": "through shared area",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "overturned dining chairs",
            "category": "furniture",
            "position_hint": "around dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at living window",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 27,
            "label": "herbal decoction pot and cup",
            "category": "prop",
            "position_hint": "kitchen and dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "two teacups with one overturned",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "corpse by curtain",
            "category": "prop",
            "position_hint": "behind daughter room curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "blood on bedroom floor and footprints",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "crumpled old photograph",
            "category": "prop",
            "position_hint": "near corpse",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle on bedroom wall",
            "category": "prop",
            "position_hint": "above daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "clean restored bedroom state",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack and doll positions",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "red circle in bathroom mirror vision",
            "category": "prop",
            "position_hint": "on bathroom mirror reflection",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "melting face in table photo vision",
            "category": "prop",
            "position_hint": "on family photo",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "red circle with blood-tipped photo pinned",
            "category": "prop",
            "position_hint": "on daughter bedroom wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "misaligned rattling entrance door",
            "category": "opening",
            "position_hint": "at steel entrance door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "television news broadcast",
            "category": "prop",
            "position_hint": "on television",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          5
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 5]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L05B02": {
        "bg_id": "L05B02",
        "fp_id": "fp_rooftop_room_interior",
        "use_numbered_elements": [
          5,
          10,
          12,
          19,
          20,
          25,
          40
        ],
        "ignore_numbered_elements": [
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          41,
          42
        ],
        "base_markers_to_reference": [
          {
            "number": 5,
            "label": "daughter bedroom",
            "category": "area",
            "position_hint": "private room off shared area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "daughter bedroom door",
            "category": "opening",
            "position_hint": "between shared area and daughter bedroom",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "daughter room window",
            "category": "opening",
            "position_hint": "in daughter bedroom wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 19,
            "label": "daughter bed",
            "category": "furniture",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 20,
            "label": "daughter room curtain",
            "category": "furniture",
            "position_hint": "by daughter room window",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 25,
            "label": "backpack with doll",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 40,
            "label": "red circle with blood-tipped photo pinned",
            "category": "prop",
            "position_hint": "on daughter bedroom wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 27,
            "label": "herbal decoction pot and cup",
            "category": "prop",
            "position_hint": "kitchen and dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "two teacups with one overturned",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "corpse by curtain",
            "category": "prop",
            "position_hint": "behind daughter room curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "blood on bedroom floor and footprints",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "crumpled old photograph",
            "category": "prop",
            "position_hint": "near corpse",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle on bedroom wall",
            "category": "prop",
            "position_hint": "above daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "clean restored bedroom state",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack and doll positions",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "red circle in bathroom mirror vision",
            "category": "prop",
            "position_hint": "on bathroom mirror reflection",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "melting face in table photo vision",
            "category": "prop",
            "position_hint": "on family photo",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "ransacked belongings and footprints",
            "category": "prop",
            "position_hint": "through shared area",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "overturned dining chairs",
            "category": "furniture",
            "position_hint": "around dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at living window",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 41,
            "label": "misaligned rattling entrance door",
            "category": "opening",
            "position_hint": "at steel entrance door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "television news broadcast",
            "category": "prop",
            "position_hint": "on television",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          5
        ],
        "dominant_target_unit_marker_number": 5,
        "clean_background_expected": false,
        "diagnostics": []
      },
      "L05B03": {
        "bg_id": "L05B03",
        "fp_id": "fp_rooftop_room_interior",
        "use_numbered_elements": [
          1,
          2,
          3,
          7,
          8,
          13,
          14,
          15,
          16,
          17,
          41
        ],
        "ignore_numbered_elements": [
          27,
          28,
          29,
          30,
          31,
          32,
          33,
          34,
          35,
          36,
          37,
          38,
          39,
          40,
          42
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "living area",
            "category": "area",
            "position_hint": "main shared room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "kitchen line",
            "category": "area",
            "position_hint": "within shared room",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entry threshold",
            "category": "area",
            "position_hint": "by entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "steel entrance door",
            "category": "opening",
            "position_hint": "at entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "small living window",
            "category": "opening",
            "position_hint": "in living area wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "kitchen sink faucet",
            "category": "prop",
            "position_hint": "in kitchen line",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "cooktop",
            "category": "prop",
            "position_hint": "in kitchen line",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "dining table and chairs",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "television",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "floor lamp",
            "category": "furniture",
            "position_hint": "in living area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 41,
            "label": "misaligned rattling entrance door",
            "category": "opening",
            "position_hint": "at steel entrance door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 27,
            "label": "herbal decoction pot and cup",
            "category": "prop",
            "position_hint": "kitchen and dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 28,
            "label": "two teacups with one overturned",
            "category": "prop",
            "position_hint": "on dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 29,
            "label": "corpse by curtain",
            "category": "prop",
            "position_hint": "behind daughter room curtain",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 30,
            "label": "blood on bedroom floor and footprints",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 31,
            "label": "crumpled old photograph",
            "category": "prop",
            "position_hint": "near corpse",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 32,
            "label": "red circle on bedroom wall",
            "category": "prop",
            "position_hint": "above daughter bed",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 33,
            "label": "clean restored bedroom state",
            "category": "area",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 34,
            "label": "shifted backpack and doll positions",
            "category": "prop",
            "position_hint": "in daughter bedroom",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 35,
            "label": "red circle in bathroom mirror vision",
            "category": "prop",
            "position_hint": "on bathroom mirror reflection",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 36,
            "label": "melting face in table photo vision",
            "category": "prop",
            "position_hint": "on family photo",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 37,
            "label": "ransacked belongings and footprints",
            "category": "prop",
            "position_hint": "through shared area",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 38,
            "label": "overturned dining chairs",
            "category": "furniture",
            "position_hint": "around dining table",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 39,
            "label": "open living window state",
            "category": "opening",
            "position_hint": "at living window",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 40,
            "label": "red circle with blood-tipped photo pinned",
            "category": "prop",
            "position_hint": "on daughter bedroom wall",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 42,
            "label": "television news broadcast",
            "category": "prop",
            "position_hint": "on television",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1,
          2,
          3
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L06B01": {
        "bg_id": "L06B01",
        "fp_id": "fp_villa_alley",
        "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": "narrow alley approach",
            "category": "area",
            "position_hint": "in the open alley",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "police vehicle stopping zone",
            "category": "area",
            "position_hint": "along the alley approach",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "villa frontage building footprint",
            "category": "area",
            "position_hint": "beside the alley",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "recessed entrance courtyard",
            "category": "area",
            "position_hint": "inside the villa entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "property entrance gate opening",
            "category": "opening",
            "position_hint": "between alley and courtyard",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "exterior stair run to rooftop access",
            "category": "prop",
            "position_hint": "connected to the courtyard",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "low kerbs and courtyard boundary lines",
            "category": "prop",
            "position_hint": "around open exterior edges",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 8,
            "label": "arriving police car",
            "category": "prop",
            "position_hint": "in the stopping zone",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "red emergency lights and siren cue",
            "category": "prop",
            "position_hint": "on the arriving vehicle",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "shocked young resident figure",
            "category": "prop",
            "position_hint": "near the villa entrance approach",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "responding female officer figure",
            "category": "prop",
            "position_hint": "between vehicle and resident",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "junior detective figure",
            "category": "prop",
            "position_hint": "near the responding officer",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          2,
          3,
          4
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3, 4]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L08B01": {
        "bg_id": "L08B01",
        "fp_id": "fp_exterior_stairs",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "exterior stair run",
            "category": "area",
            "position_hint": "on the stair approach",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "upper landing",
            "category": "area",
            "position_hint": "at the top of the stairs",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "rooftop room exterior frontage",
            "category": "area",
            "position_hint": "at the rooftop room threshold side",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "iron entrance door",
            "category": "opening",
            "position_hint": "in the rooftop room frontage",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "railing or parapet edge",
            "category": "prop",
            "position_hint": "along the exposed stair and landing edges",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 6,
            "label": "half-open dark doorway gap",
            "category": "prop",
            "position_hint": "at the iron entrance door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "foul smell cue",
            "category": "prop",
            "position_hint": "around the landing near the door",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          2,
          3
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2, 3]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L13B01": {
        "bg_id": "L13B01",
        "fp_id": "fp_l13_market_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "main market sales floor",
            "category": "area",
            "position_hint": "main open retail area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entrance approach zone",
            "category": "area",
            "position_hint": "by the customer entry",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "glass customer entrance doors",
            "category": "opening",
            "position_hint": "at the entry threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "long grocery aisle shelving rows",
            "category": "furniture",
            "position_hint": "in the sales floor",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "perimeter display shelves",
            "category": "furniture",
            "position_hint": "around the retail area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "checkout counter area",
            "category": "furniture",
            "position_hint": "near the customer exit path",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "promotional display tables",
            "category": "furniture",
            "position_hint": "within the open sales floor",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "ceiling CCTV camera",
            "category": "prop",
            "position_hint": "overlooking entry and aisles",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 9,
            "label": "temporary stocking boxes",
            "category": "prop",
            "position_hint": "near the stocked shelves",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "active staff and shopper presence",
            "category": "area",
            "position_hint": "through the aisles",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          2
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L13B04": {
        "bg_id": "L13B04",
        "fp_id": "fp_l13_market_main",
        "use_numbered_elements": [
          1,
          4,
          5,
          6,
          7,
          8
        ],
        "ignore_numbered_elements": [
          9,
          10
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "main market sales floor",
            "category": "area",
            "position_hint": "main open retail area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "long grocery aisle shelving rows",
            "category": "furniture",
            "position_hint": "in the sales floor",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "perimeter display shelves",
            "category": "furniture",
            "position_hint": "around the retail area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "checkout counter area",
            "category": "furniture",
            "position_hint": "near the customer exit path",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "promotional display tables",
            "category": "furniture",
            "position_hint": "within the open sales floor",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "ceiling CCTV camera",
            "category": "prop",
            "position_hint": "overlooking entry and aisles",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [],
        "ignored_state_overlay_markers": [
          {
            "number": 9,
            "label": "temporary stocking boxes",
            "category": "prop",
            "position_hint": "near the stocked shelves",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "active staff and shopper presence",
            "category": "area",
            "position_hint": "through the aisles",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1
        ],
        "dominant_target_unit_marker_number": 1,
        "clean_background_expected": true,
        "diagnostics": []
      },
      "L14B01": {
        "bg_id": "L14B01",
        "fp_id": "fp_l14_admin_office_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7
        ],
        "ignore_numbered_elements": [],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "admin/security office room",
            "category": "area",
            "position_hint": "main enclosed office",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "standing observer area",
            "category": "area",
            "position_hint": "open area near the workstation",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "swing entry door",
            "category": "opening",
            "position_hint": "at the office entry",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "security desk/workstation",
            "category": "furniture",
            "position_hint": "in the work zone",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "operator chair",
            "category": "furniture",
            "position_hint": "at the security desk",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "CCTV monitor and computer console",
            "category": "prop",
            "position_hint": "on the security desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 7,
            "label": "dark indistinct CCTV footage on monitor",
            "category": "prop",
            "position_hint": "on the monitor screen",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [],
        "target_unit_marker_numbers": [
          1,
          2
        ],
        "dominant_target_unit_marker_number": null,
        "clean_background_expected": false,
        "diagnostics": [
          "multiple base_structural_unit markers in use_numbered_elements ([1, 2]); dominant_target_unit_marker_number left empty (W19B-1 lock — no lexical disambiguation)"
        ]
      },
      "L16B03": {
        "bg_id": "L16B03",
        "fp_id": "fp_detective_office_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13
        ],
        "ignore_numbered_elements": [
          14,
          15,
          16,
          17
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "open detective work area",
            "category": "area",
            "position_hint": "main office space",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entry circulation zone",
            "category": "area",
            "position_hint": "by the office entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "main office entry door",
            "category": "opening",
            "position_hint": "at the office threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "office window group",
            "category": "opening",
            "position_hint": "in the office wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "duty detective desk with chair",
            "category": "furniture",
            "position_hint": "in the work area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "duty computer monitor",
            "category": "prop",
            "position_hint": "on the duty desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "senior detective desk with chair",
            "category": "furniture",
            "position_hint": "in the work area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "senior workstation monitor",
            "category": "prop",
            "position_hint": "on the senior desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "additional detective workstations",
            "category": "furniture",
            "position_hint": "in the shared office area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "filing and storage cabinets",
            "category": "furniture",
            "position_hint": "in the office storage area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "printer or copier station",
            "category": "prop",
            "position_hint": "near the office workstations",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "paperwork trays and case-file stacks",
            "category": "prop",
            "position_hint": "on or near work desks",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "mobile phone shown for location request",
            "category": "prop",
            "position_hint": "at the duty desk interaction",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 14,
            "label": "missing report and call request forms",
            "category": "prop",
            "position_hint": "on the duty desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "enlarged case photographs scattered on desk",
            "category": "prop",
            "position_hint": "on the senior desk",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "GPS location result on monitor",
            "category": "prop",
            "position_hint": "on the duty monitor",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "copied coordinate note",
            "category": "prop",
            "position_hint": "near the senior desk",
            "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)"
        ]
      },
      "L16B01": {
        "bg_id": "L16B01",
        "fp_id": "fp_detective_office_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          14
        ],
        "ignore_numbered_elements": [
          13,
          15,
          16,
          17
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "open detective work area",
            "category": "area",
            "position_hint": "main office space",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entry circulation zone",
            "category": "area",
            "position_hint": "by the office entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "main office entry door",
            "category": "opening",
            "position_hint": "at the office threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "office window group",
            "category": "opening",
            "position_hint": "in the office wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "duty detective desk with chair",
            "category": "furniture",
            "position_hint": "in the work area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "duty computer monitor",
            "category": "prop",
            "position_hint": "on the duty desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "senior detective desk with chair",
            "category": "furniture",
            "position_hint": "in the work area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "senior workstation monitor",
            "category": "prop",
            "position_hint": "on the senior desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "additional detective workstations",
            "category": "furniture",
            "position_hint": "in the shared office area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "filing and storage cabinets",
            "category": "furniture",
            "position_hint": "in the office storage area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "printer or copier station",
            "category": "prop",
            "position_hint": "near the office workstations",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "paperwork trays and case-file stacks",
            "category": "prop",
            "position_hint": "on or near work desks",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 14,
            "label": "missing report and call request forms",
            "category": "prop",
            "position_hint": "on the duty desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 13,
            "label": "mobile phone shown for location request",
            "category": "prop",
            "position_hint": "at the duty desk interaction",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "enlarged case photographs scattered on desk",
            "category": "prop",
            "position_hint": "on the senior desk",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 16,
            "label": "GPS location result on monitor",
            "category": "prop",
            "position_hint": "on the duty monitor",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "copied coordinate note",
            "category": "prop",
            "position_hint": "near the senior desk",
            "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)"
        ]
      },
      "L16B02": {
        "bg_id": "L16B02",
        "fp_id": "fp_detective_office_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          15
        ],
        "ignore_numbered_elements": [
          13,
          14,
          16,
          17
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "open detective work area",
            "category": "area",
            "position_hint": "main office space",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entry circulation zone",
            "category": "area",
            "position_hint": "by the office entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "main office entry door",
            "category": "opening",
            "position_hint": "at the office threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "office window group",
            "category": "opening",
            "position_hint": "in the office wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "duty detective desk with chair",
            "category": "furniture",
            "position_hint": "in the work area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "duty computer monitor",
            "category": "prop",
            "position_hint": "on the duty desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "senior detective desk with chair",
            "category": "furniture",
            "position_hint": "in the work area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "senior workstation monitor",
            "category": "prop",
            "position_hint": "on the senior desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "additional detective workstations",
            "category": "furniture",
            "position_hint": "in the shared office area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "filing and storage cabinets",
            "category": "furniture",
            "position_hint": "in the office storage area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "printer or copier station",
            "category": "prop",
            "position_hint": "near the office workstations",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "paperwork trays and case-file stacks",
            "category": "prop",
            "position_hint": "on or near work desks",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 15,
            "label": "enlarged case photographs scattered on desk",
            "category": "prop",
            "position_hint": "on the senior desk",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 13,
            "label": "mobile phone shown for location request",
            "category": "prop",
            "position_hint": "at the duty desk interaction",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "missing report and call request forms",
            "category": "prop",
            "position_hint": "on the duty desk",
            "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": "on the duty monitor",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "copied coordinate note",
            "category": "prop",
            "position_hint": "near the senior desk",
            "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)"
        ]
      },
      "L16B04": {
        "bg_id": "L16B04",
        "fp_id": "fp_detective_office_main",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          16,
          17
        ],
        "ignore_numbered_elements": [
          13,
          14,
          15
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "open detective work area",
            "category": "area",
            "position_hint": "main office space",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "entry circulation zone",
            "category": "area",
            "position_hint": "by the office entrance",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "main office entry door",
            "category": "opening",
            "position_hint": "at the office threshold",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "office window group",
            "category": "opening",
            "position_hint": "in the office wall",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "duty detective desk with chair",
            "category": "furniture",
            "position_hint": "in the work area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "duty computer monitor",
            "category": "prop",
            "position_hint": "on the duty desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "senior detective desk with chair",
            "category": "furniture",
            "position_hint": "in the work area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "senior workstation monitor",
            "category": "prop",
            "position_hint": "on the senior desk",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "additional detective workstations",
            "category": "furniture",
            "position_hint": "in the shared office area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "filing and storage cabinets",
            "category": "furniture",
            "position_hint": "in the office storage area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 11,
            "label": "printer or copier station",
            "category": "prop",
            "position_hint": "near the office workstations",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "paperwork trays and case-file stacks",
            "category": "prop",
            "position_hint": "on or near work desks",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 16,
            "label": "GPS location result on monitor",
            "category": "prop",
            "position_hint": "on the duty monitor",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 17,
            "label": "copied coordinate note",
            "category": "prop",
            "position_hint": "near the senior desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 13,
            "label": "mobile phone shown for location request",
            "category": "prop",
            "position_hint": "at the duty desk interaction",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "missing report and call request forms",
            "category": "prop",
            "position_hint": "on the duty desk",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 15,
            "label": "enlarged case photographs scattered on desk",
            "category": "prop",
            "position_hint": "on the senior desk",
            "base_layer_decision": "state_overlay_plot_cue",
            "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)"
        ]
      },
      "L22B03": {
        "bg_id": "L22B03",
        "fp_id": "fp_pilot_house",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          13
        ],
        "ignore_numbered_elements": [
          11,
          12,
          14
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "single pilot house interior",
            "category": "area",
            "position_hint": "main cabin area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "wraparound pilot windows",
            "category": "opening",
            "position_hint": "around the viewing sides",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entry door or hatch",
            "category": "opening",
            "position_hint": "at the cabin entry",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "helm console with controls",
            "category": "prop",
            "position_hint": "in the helm area",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "steering wheel",
            "category": "prop",
            "position_hint": "on the helm console",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "throttle levers",
            "category": "prop",
            "position_hint": "beside the helm controls",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "circular gauge and radio panel",
            "category": "prop",
            "position_hint": "at the helm console",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "narrow crew bench",
            "category": "furniture",
            "position_hint": "inside the cramped cabin",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "small chart shelf",
            "category": "furniture",
            "position_hint": "near the work surface area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "compact storage locker",
            "category": "furniture",
            "position_hint": "inside the cabin",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 13,
            "label": "hands locked near helm cue",
            "category": "area",
            "position_hint": "near the steering wheel",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 11,
            "label": "old photograph evidence",
            "category": "prop",
            "position_hint": "held or placed for the evidence moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "subjective red circular mark cue",
            "category": "prop",
            "position_hint": "appearing only as a vision or overlay",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "collapse confrontation pose cue",
            "category": "area",
            "position_hint": "inside the pilot house",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1
        ],
        "dominant_target_unit_marker_number": 1,
        "clean_background_expected": false,
        "diagnostics": []
      },
      "L22B02": {
        "bg_id": "L22B02",
        "fp_id": "fp_pilot_house",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12
        ],
        "ignore_numbered_elements": [
          13,
          14
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "single pilot house interior",
            "category": "area",
            "position_hint": "main cabin area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "wraparound pilot windows",
            "category": "opening",
            "position_hint": "around the viewing sides",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entry door or hatch",
            "category": "opening",
            "position_hint": "at the cabin entry",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "helm console with controls",
            "category": "prop",
            "position_hint": "in the helm area",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "steering wheel",
            "category": "prop",
            "position_hint": "on the helm console",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "throttle levers",
            "category": "prop",
            "position_hint": "beside the helm controls",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "circular gauge and radio panel",
            "category": "prop",
            "position_hint": "at the helm console",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "narrow crew bench",
            "category": "furniture",
            "position_hint": "inside the cramped cabin",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "small chart shelf",
            "category": "furniture",
            "position_hint": "near the work surface area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "compact storage locker",
            "category": "furniture",
            "position_hint": "inside the cabin",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 11,
            "label": "old photograph evidence",
            "category": "prop",
            "position_hint": "held or placed for the evidence moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "subjective red circular mark cue",
            "category": "prop",
            "position_hint": "appearing only as a vision or overlay",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 13,
            "label": "hands locked near helm cue",
            "category": "area",
            "position_hint": "near the steering wheel",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 14,
            "label": "collapse confrontation pose cue",
            "category": "area",
            "position_hint": "inside the pilot house",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1
        ],
        "dominant_target_unit_marker_number": 1,
        "clean_background_expected": false,
        "diagnostics": []
      },
      "L22B04": {
        "bg_id": "L22B04",
        "fp_id": "fp_pilot_house",
        "use_numbered_elements": [
          1,
          2,
          3,
          4,
          5,
          6,
          7,
          8,
          9,
          10,
          14
        ],
        "ignore_numbered_elements": [
          11,
          12,
          13
        ],
        "base_markers_to_reference": [
          {
            "number": 1,
            "label": "single pilot house interior",
            "category": "area",
            "position_hint": "main cabin area",
            "base_layer_decision": "base_structural_unit",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 2,
            "label": "wraparound pilot windows",
            "category": "opening",
            "position_hint": "around the viewing sides",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 3,
            "label": "entry door or hatch",
            "category": "opening",
            "position_hint": "at the cabin entry",
            "base_layer_decision": "base_opening",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 4,
            "label": "helm console with controls",
            "category": "prop",
            "position_hint": "in the helm area",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 5,
            "label": "steering wheel",
            "category": "prop",
            "position_hint": "on the helm console",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 6,
            "label": "throttle levers",
            "category": "prop",
            "position_hint": "beside the helm controls",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 7,
            "label": "circular gauge and radio panel",
            "category": "prop",
            "position_hint": "at the helm console",
            "base_layer_decision": "base_persistent_fixture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 8,
            "label": "narrow crew bench",
            "category": "furniture",
            "position_hint": "inside the cramped cabin",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 9,
            "label": "small chart shelf",
            "category": "furniture",
            "position_hint": "near the work surface area",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 10,
            "label": "compact storage locker",
            "category": "furniture",
            "position_hint": "inside the cabin",
            "base_layer_decision": "base_persistent_furniture",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "transient_markers_to_describe": [
          {
            "number": 14,
            "label": "collapse confrontation pose cue",
            "category": "area",
            "position_hint": "inside the pilot house",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "ignored_state_overlay_markers": [
          {
            "number": 11,
            "label": "old photograph evidence",
            "category": "prop",
            "position_hint": "held or placed for the evidence moment",
            "base_layer_decision": "state_overlay_transient_object",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 12,
            "label": "subjective red circular mark cue",
            "category": "prop",
            "position_hint": "appearing only as a vision or overlay",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          },
          {
            "number": 13,
            "label": "hands locked near helm cue",
            "category": "area",
            "position_hint": "near the steering wheel",
            "base_layer_decision": "state_overlay_plot_cue",
            "render_role": "not_applicable",
            "top_down_legibility": "not_applicable"
          }
        ],
        "target_unit_marker_numbers": [
          1
        ],
        "dominant_target_unit_marker_number": 1,
        "clean_background_expected": false,
        "diagnostics": []
      }
    }
  },
  "step_id": "floor_plan_overlay_payload",
  "run_id": "6ff8bc1b-ae63-4d3e-a7b4-4412136c7516",
  "resolved_model": "gpt",
  "updated_at": "2026-06-01T14:25:55.906635+00:00",
  "project_config_snapshot": {}
}