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            "label": "attack silhouette in window",
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          {
            "number": 4,
            "label": "middle stair landing",
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          {
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          {
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          {
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          {
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            "label": "villa exterior wall boundary",
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            "position_hint": "long west-side structural wall line that the exterior stair path is attached to",
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          {
            "number": 11,
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          {
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            {
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              "number": 11,
              "label": "small stovetop counter",
              "position_hint": "east wall of the kitchenette, adjacent to the sink counter",
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            {
              "number": 12,
              "label": "bathroom sink",
              "position_hint": "inside the bathroom, on the north or east bathroom wall below the mirror",
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            {
              "number": 13,
              "label": "toilet",
              "position_hint": "inside the bathroom near the south-east corner",
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            {
              "number": 14,
              "label": "shower area",
              "position_hint": "inside the bathroom along the east side as a compact wet-room shower zone",
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            {
              "number": 15,
              "label": "bathroom mirror",
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              "label": "wall-mounted family photo frame",
              "position_hint": "west living wall near the television and display wall area",
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          {
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            "label": "main sliding window",
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            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 4,
            "label": "forward windshield",
            "category": "opening",
            "position_hint": "north wall across the bow-facing side of the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 5,
            "label": "port side window",
            "category": "opening",
            "position_hint": "west wall, forward half of the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 6,
            "label": "starboard side window",
            "category": "opening",
            "position_hint": "east wall, forward half of the wheelhouse",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 7,
            "label": "aft entry door",
            "category": "opening",
            "position_hint": "south wall, slightly to starboard, swinging inward into the cabin",
            "base_layer_decision": "base_opening"
          }
        ],
        "overlay_marker_inventory": [
          {
            "bg_id": "L20B04",
            "number": 8,
            "label": "old printed photograph held up",
            "base_layer_decision": "state_overlay_transient_object"
          },
          {
            "bg_id": "L20B06",
            "number": 9,
            "label": "subjective red circle vision",
            "base_layer_decision": "state_overlay_plot_cue"
          }
        ],
        "per_bg_render_facts_by_bg_id": {
          "L20B04": {
            "bg_id": "L20B04",
            "fp_id": "fp_l20_wheelhouse",
            "target_unit_marker_numbers": [
              1,
              2
            ],
            "dominant_target_unit_marker_number": null,
            "use_numbered_elements": [
              1,
              2,
              3,
              4,
              5,
              6,
              7,
              8
            ],
            "ignore_numbered_elements": [
              9
            ],
            "base_marker_numbers_to_reference": [
              1,
              2,
              3,
              4,
              5,
              6,
              7
            ],
            "transient_marker_numbers_to_describe": [
              8
            ],
            "ignored_state_overlay_marker_numbers": [
              9
            ],
            "clean_background_expected": false,
            "applies_to_shots": [
              "S29_Shot4"
            ],
            "depends_on_bg": [],
            "diagnostics": []
          },
          "L20B05": {
            "bg_id": "L20B05",
            "fp_id": "fp_l20_wheelhouse",
            "target_unit_marker_numbers": [
              1,
              2
            ],
            "dominant_target_unit_marker_number": null,
            "use_numbered_elements": [
              1,
              2,
              3,
              4,
              5,
              6,
              7
            ],
            "ignore_numbered_elements": [
              8,
              9
            ],
            "base_marker_numbers_to_reference": [
              1,
              2,
              3,
              4,
              5,
              6,
              7
            ],
            "transient_marker_numbers_to_describe": [],
            "ignored_state_overlay_marker_numbers": [
              8,
              9
            ],
            "clean_background_expected": true,
            "applies_to_shots": [
              "S29_Shot1"
            ],
            "depends_on_bg": [],
            "diagnostics": []
          },
          "L20B06": {
            "bg_id": "L20B06",
            "fp_id": "fp_l20_wheelhouse",
            "target_unit_marker_numbers": [
              1,
              2
            ],
            "dominant_target_unit_marker_number": null,
            "use_numbered_elements": [
              1,
              2,
              3,
              4,
              5,
              6,
              7,
              9
            ],
            "ignore_numbered_elements": [
              8
            ],
            "base_marker_numbers_to_reference": [
              1,
              2,
              3,
              4,
              5,
              6,
              7
            ],
            "transient_marker_numbers_to_describe": [
              9
            ],
            "ignored_state_overlay_marker_numbers": [
              8
            ],
            "clean_background_expected": false,
            "applies_to_shots": [
              "S29_Shot8"
            ],
            "depends_on_bg": [],
            "diagnostics": []
          }
        },
        "anchor_selection_metadata": {
          "candidate_bg_ids": [
            "L20B05"
          ],
          "selection_diagnostics": [
            "anchor selection deferred to W20B (LLM-owned per W19J pivot)."
          ],
          "selected_anchor_bg_id": null
        },
        "diagnostics": []
      }
    }
  },
  "step_id": "base_location_dossier",
  "run_id": "b39637a6-809c-47a1-baf4-3430f2cde49d",
  "resolved_model": "gpt",
  "updated_at": "2026-05-29T09:07:22.495374+00:00",
  "project_config_snapshot": {}
}