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            "fp_id": "fp_l05_concrete_stairs",
            "target_unit_marker_numbers": [
              3,
              4,
              5,
              6,
              8,
              12
            ],
            "dominant_target_unit_marker_number": null,
            "use_numbered_elements": [
              3,
              4,
              5,
              6,
              7,
              8,
              9,
              12,
              13,
              14
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            "ignore_numbered_elements": [],
            "base_marker_numbers_to_reference": [
              3,
              4,
              5,
              6,
              7,
              8,
              9,
              12,
              13
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            "transient_marker_numbers_to_describe": [
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              "S11_Shot5"
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            "diagnostics": []
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          "candidate_bg_ids": [
            "L05B01"
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            "anchor selection deferred to W20B (LLM-owned per W19J pivot).",
            "no clean_background_expected=True overlay for this fp — W20F5 fallback widened candidate set to the 1 BG(s) with the fewest transient markers (1); LLM may still pick any of these but must declare the chosen anchor."
          ],
          "selected_anchor_bg_id": null,
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        "diagnostics": []
      },
      "fp_l06_rooftop_room_interior": {
        "fp_id": "fp_l06_rooftop_room_interior",
        "fp_image_path": "/Users/manta/Documents/Projects/TheRoad-I1/projects/28ac6c06-e1df-4fba-a789-6cd55401a4d8/episodes/c0e2bace-39ca-47de-88f7-99463c1696bc/images/floor_plan/fp_l06_rooftop_room_interior.png",
        "grid_size": [
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          10
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        "dwelling_identity": {
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              2,
              3,
              4,
              5,
              6
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              8,
              9,
              21,
              22,
              23
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              16,
              19,
              20
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              12,
              13,
              14,
              17,
              18
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            "marker_count_per_layer": {
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              "base_opening": 6,
              "base_persistent_fixture": 4,
              "base_persistent_furniture": 7
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          },
          "materials": {
            "diagnostics": [
              "materials palette is an LLM-emit slot (W20B); W20A leaves this empty by contract."
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          },
          "fixed_elements_inventory": [
            {
              "number": 15,
              "label": "Kitchen sink",
              "position_hint": "west end of the linear kitchenette",
              "category": "furniture"
            },
            {
              "number": 16,
              "label": "Kitchen stovetop",
              "position_hint": "east end of the linear kitchenette",
              "category": "furniture"
            },
            {
              "number": 19,
              "label": "Bathroom washbasin",
              "position_hint": "north wall of the compact bathroom",
              "category": "furniture"
            },
            {
              "number": 20,
              "label": "Bathroom toilet",
              "position_hint": "east side of the compact bathroom",
              "category": "furniture"
            }
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            10
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          "camera_cell_candidates_per_unit": {},
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          "view_cone_lens_enum_map": {
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            "telephoto": 25
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            "VLM 10x10 readback is synthetic_placeholder; camera / look-at / visible-units / visible-openings cell enumerations are left empty pending a real VLM wiring wave."
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            "VLM readback not invoked (W20A synthetic-only path).",
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            "number": 1,
            "label": "Shared living and dining area",
            "category": "area",
            "position_hint": "central and western portion of the rooftop dwelling",
            "base_layer_decision": "base_structural_unit"
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          {
            "number": 2,
            "label": "Linear kitchenette",
            "category": "area",
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            "base_layer_decision": "base_structural_unit"
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            "category": "area",
            "position_hint": "northeast room adjoining the shared area",
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          {
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            "label": "Daughter bedroom",
            "category": "area",
            "position_hint": "southeast room adjoining the shared area",
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          {
            "number": 5,
            "label": "Compact bathroom",
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            "base_layer_decision": "base_structural_unit"
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          {
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            "label": "Entrance threshold",
            "category": "area",
            "position_hint": "southwest corner inside the rooftop entrance",
            "base_layer_decision": "base_structural_unit"
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          {
            "number": 7,
            "label": "Iron entrance door",
            "category": "opening",
            "position_hint": "south wall of the entrance threshold",
            "base_layer_decision": "base_opening"
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          {
            "number": 8,
            "label": "Small living window",
            "category": "opening",
            "position_hint": "west wall of the shared living area",
            "base_layer_decision": "base_opening"
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          {
            "number": 9,
            "label": "Curtained bedroom window",
            "category": "opening",
            "position_hint": "east wall of the daughter bedroom",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 10,
            "label": "Mother bed",
            "category": "furniture",
            "position_hint": "north wall of the mother bedroom",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 11,
            "label": "Daughter bed",
            "category": "furniture",
            "position_hint": "north wall of the daughter bedroom",
            "base_layer_decision": "base_persistent_furniture"
          },
          {
            "number": 12,
            "label": "Dining table",
            "category": "furniture",
            "position_hint": "center of the shared living and dining area",
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          },
          {
            "number": 13,
            "label": "Dining chair one",
            "category": "furniture",
            "position_hint": "west side of the dining table",
            "base_layer_decision": "base_persistent_furniture"
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          {
            "number": 14,
            "label": "Dining chair two",
            "category": "furniture",
            "position_hint": "east side of the dining table",
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          },
          {
            "number": 15,
            "label": "Kitchen sink",
            "category": "furniture",
            "position_hint": "west end of the linear kitchenette",
            "base_layer_decision": "base_persistent_fixture"
          },
          {
            "number": 16,
            "label": "Kitchen stovetop",
            "category": "furniture",
            "position_hint": "east end of the linear kitchenette",
            "base_layer_decision": "base_persistent_fixture"
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          {
            "number": 17,
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            "position_hint": "north wall of the shared area opposite the seating space",
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          {
            "number": 18,
            "label": "Living floor lamp",
            "category": "furniture",
            "position_hint": "northwest corner of the shared area near the television",
            "base_layer_decision": "base_persistent_furniture"
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          {
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            "label": "Bathroom washbasin",
            "category": "furniture",
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          {
            "number": 20,
            "label": "Bathroom toilet",
            "category": "furniture",
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            "base_layer_decision": "base_persistent_fixture"
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          {
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            "label": "Mother bedroom door",
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            "position_hint": "south wall of the mother bedroom",
            "base_layer_decision": "base_opening"
          },
          {
            "number": 22,
            "label": "Daughter bedroom door",
            "category": "opening",
            "position_hint": "west wall of the daughter bedroom",
            "base_layer_decision": "base_opening"
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          {
            "number": 23,
            "label": "Bathroom door",
            "category": "opening",
            "position_hint": "west wall of the compact bathroom",
            "base_layer_decision": "base_opening"
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        ],
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            "label": "Red circle above bed",
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          {
            "bg_id": "L06B01",
            "number": 29,
            "label": "Pinned bloody photograph",
            "base_layer_decision": "state_overlay_transient_object"
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          {
            "bg_id": "L06B02",
            "number": 37,
            "label": "Wind-moved entrance door state",
            "base_layer_decision": "state_overlay_plot_cue"
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          {
            "bg_id": "L06B03",
            "number": 28,
            "label": "Red circle above bed",
            "base_layer_decision": "state_overlay_plot_cue"
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          {
            "bg_id": "L06B03",
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            "label": "Pinned bloody photograph",
            "base_layer_decision": "state_overlay_transient_object"
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          {
            "bg_id": "L06B03",
            "number": 32,
            "label": "Overturned household contents pile",
            "base_layer_decision": "state_overlay_transient_object"
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          {
            "bg_id": "L06B03",
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            "label": "Fallen dining chair one",
            "base_layer_decision": "state_overlay_transient_object"
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          {
            "bg_id": "L06B03",
            "number": 34,
            "label": "Fallen dining chair two",
            "base_layer_decision": "state_overlay_transient_object"
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          {
            "bg_id": "L06B03",
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            "label": "Open state of living window",
            "base_layer_decision": "state_overlay_plot_cue"
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          {
            "bg_id": "L06B03",
            "number": 36,
            "label": "Intruder footprint trail",
            "base_layer_decision": "state_overlay_plot_cue"
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          {
            "bg_id": "L06B04",
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            "label": "Vanishing bathroom red circle",
            "base_layer_decision": "state_overlay_plot_cue"
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          {
            "bg_id": "L06B04",
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            "label": "Melting face in tabletop photograph",
            "base_layer_decision": "state_overlay_plot_cue"
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          {
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          {
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            "label": "Body behind curtain",
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              37
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          },
          "L06B05": {
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              23
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              26,
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              37
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            "clean_background_expected": true,
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              "S5_Shot8"
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          },
          "L06B06": {
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              37
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              37
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          },
          "L06B07": {
            "bg_id": "L06B07",
            "fp_id": "fp_l06_rooftop_room_interior",
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            "dominant_target_unit_marker_number": 4,
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              "S12_Shot19"
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          },
          "L06B08": {
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        },
        "anchor_selection_metadata": {
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            "L06B06",
            "L06B08"
          ],
          "selection_diagnostics": [
            "anchor selection deferred to W20B (LLM-owned per W19J pivot)."
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}