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            {
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              ],
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            },
            {
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                6,
                1
              ],
              "look_at_unit": 11,
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                4
              ],
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            },
            {
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                1
              ],
              "look_at_unit": 11,
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              ],
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            },
            {
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                1
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                4,
                4
              ],
              "dx": 3,
              "dy": -2,
              "lens_enum": "telephoto",
              "fov_deg": 25
            }
          ],
          "visible_units_candidates": {
            "1": [
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              8,
              9,
              10,
              11,
              12
            ],
            "2": [
              1,
              8,
              9,
              10,
              11,
              12
            ],
            "8": [
              1,
              2,
              9,
              10,
              11,
              12
            ],
            "9": [
              1,
              2,
              8,
              10,
              11,
              12
            ],
            "10": [
              1,
              2,
              8,
              9,
              11,
              12
            ],
            "11": [
              1,
              2,
              8,
              9,
              10,
              12
            ],
            "12": [
              1,
              2,
              8,
              9,
              10,
              11
            ]
          },
          "visible_openings_candidates": {
            "1": [
              3,
              4
            ],
            "2": [
              3,
              4
            ],
            "8": [
              3,
              4
            ],
            "9": [
              3,
              4
            ],
            "10": [
              3,
              4
            ],
            "11": [
              3,
              4
            ],
            "12": [
              3,
              4
            ]
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [],
          "diagnostics": []
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_l03_rooftop_exterior.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      },
      "fp_l04_villa_yard": {
        "fp_id": "fp_l04_villa_yard",
        "readback_status": "ok",
        "readback": {
          "status": "ok",
          "fp_id": "fp_l04_villa_yard",
          "grid_size": [
            10,
            10
          ],
          "observed_markers": [
            {
              "number": 1,
              "row": 8,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 2,
              "row": 6,
              "col": 4,
              "kind": "base_opening"
            },
            {
              "number": 3,
              "row": 5,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 5,
              "row": 3,
              "col": 2,
              "kind": "base_structural_unit"
            },
            {
              "number": 6,
              "row": 4,
              "col": 6,
              "kind": "base_structural_unit"
            },
            {
              "number": 8,
              "row": 1,
              "col": 4,
              "kind": "base_opening"
            }
          ],
          "missing_markers": [
            4,
            7
          ],
          "extra_markers": [],
          "confidence": 0.99,
          "diagnostics": [],
          "cell_collision_diagnostics": [],
          "provider_name": "litellm_gpt55_vision_v1"
        },
        "geometry": {
          "fp_id": "fp_l04_villa_yard",
          "grid_size": [
            10,
            10
          ],
          "readback_status": "ok",
          "marker_cells": {
            "1": [
              8,
              4
            ],
            "2": [
              6,
              4
            ],
            "3": [
              5,
              4
            ],
            "5": [
              3,
              2
            ],
            "6": [
              4,
              6
            ],
            "8": [
              1,
              4
            ]
          },
          "unit_marker_cells": {
            "1": [
              8,
              4
            ],
            "3": [
              5,
              4
            ],
            "5": [
              3,
              2
            ],
            "6": [
              4,
              6
            ]
          },
          "opening_marker_cells": {
            "2": [
              6,
              4
            ],
            "8": [
              1,
              4
            ]
          },
          "fixture_marker_cells": {},
          "furniture_marker_cells": {},
          "camera_cell_candidates_per_unit": {
            "1": [
              [
                8,
                4
              ]
            ],
            "3": [
              [
                5,
                4
              ]
            ],
            "5": [
              [
                3,
                2
              ]
            ],
            "6": [
              [
                4,
                6
              ]
            ]
          },
          "look_at_cell_candidates_per_unit": {
            "1": [
              [
                1,
                4
              ],
              [
                6,
                4
              ]
            ],
            "3": [
              [
                1,
                4
              ],
              [
                6,
                4
              ]
            ],
            "5": [
              [
                1,
                4
              ],
              [
                6,
                4
              ]
            ],
            "6": [
              [
                1,
                4
              ],
              [
                6,
                4
              ]
            ]
          },
          "direction_vector_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                4
              ],
              "dx": 0,
              "dy": -3,
              "length_l1": 3
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                4
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
                2
              ],
              "dx": -2,
              "dy": -5,
              "length_l1": 7
            },
            {
              "camera_unit": 1,
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                4
              ],
              "look_at_unit": 6,
              "look_at_cell": [
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                6
              ],
              "dx": 2,
              "dy": -4,
              "length_l1": 6
            },
            {
              "camera_unit": 3,
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                4
              ],
              "look_at_unit": 1,
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              ],
              "dx": 0,
              "dy": 3,
              "length_l1": 3
            },
            {
              "camera_unit": 3,
              "camera_cell": [
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              ],
              "look_at_unit": 5,
              "look_at_cell": [
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                2
              ],
              "dx": -2,
              "dy": -2,
              "length_l1": 4
            },
            {
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              "camera_cell": [
                5,
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              ],
              "look_at_unit": 6,
              "look_at_cell": [
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              ],
              "dx": 2,
              "dy": -1,
              "length_l1": 3
            },
            {
              "camera_unit": 5,
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                2
              ],
              "look_at_unit": 1,
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                8,
                4
              ],
              "dx": 2,
              "dy": 5,
              "length_l1": 7
            },
            {
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            },
            {
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            {
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              "length_l1": 6
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            {
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            },
            {
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              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
                2
              ],
              "dx": -4,
              "dy": -1,
              "length_l1": 5
            }
          ],
          "view_cone_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
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              ],
              "dx": 0,
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              "lens_enum": "wide",
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            },
            {
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              ],
              "look_at_unit": 3,
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              ],
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            },
            {
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              ],
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              "look_at_cell": [
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              ],
              "dx": 0,
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              "lens_enum": "telephoto",
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            },
            {
              "camera_unit": 1,
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            {
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            {
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            },
            {
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            {
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              ],
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            },
            {
              "camera_unit": 6,
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                4,
                6
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
                2
              ],
              "dx": -4,
              "dy": -1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            }
          ],
          "visible_units_candidates": {
            "1": [
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              5,
              6
            ],
            "3": [
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              5,
              6
            ],
            "5": [
              1,
              3,
              6
            ],
            "6": [
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              3,
              5
            ]
          },
          "visible_openings_candidates": {
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              8
            ],
            "3": [
              2,
              8
            ],
            "5": [
              2,
              8
            ],
            "6": [
              2,
              8
            ]
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [],
          "diagnostics": []
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_l04_villa_yard.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      },
      "fp_l04_exterior_stairs": {
        "fp_id": "fp_l04_exterior_stairs",
        "readback_status": "ok",
        "readback": {
          "status": "ok",
          "fp_id": "fp_l04_exterior_stairs",
          "grid_size": [
            10,
            10
          ],
          "observed_markers": [
            {
              "number": 1,
              "row": 7,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 2,
              "row": 6,
              "col": 2,
              "kind": "base_structural_unit"
            },
            {
              "number": 3,
              "row": 4,
              "col": 2,
              "kind": "base_structural_unit"
            },
            {
              "number": 4,
              "row": 3,
              "col": 2,
              "kind": "base_structural_unit"
            },
            {
              "number": 5,
              "row": 1,
              "col": 2,
              "kind": "base_structural_unit"
            },
            {
              "number": 6,
              "row": 4,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 7,
              "row": 1,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 8,
              "row": 1,
              "col": 3,
              "kind": "base_opening"
            },
            {
              "number": 9,
              "row": 2,
              "col": 4,
              "kind": "base_opening"
            },
            {
              "number": 10,
              "row": 1,
              "col": 7,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 11,
              "row": 3,
              "col": 7,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 12,
              "row": 5,
              "col": 8,
              "kind": "base_persistent_furniture"
            }
          ],
          "missing_markers": [],
          "extra_markers": [],
          "confidence": 0.99,
          "diagnostics": [],
          "cell_collision_diagnostics": [],
          "provider_name": "litellm_gpt55_vision_v1"
        },
        "geometry": {
          "fp_id": "fp_l04_exterior_stairs",
          "grid_size": [
            10,
            10
          ],
          "readback_status": "ok",
          "marker_cells": {
            "1": [
              7,
              4
            ],
            "2": [
              6,
              2
            ],
            "3": [
              4,
              2
            ],
            "4": [
              3,
              2
            ],
            "5": [
              1,
              2
            ],
            "6": [
              4,
              4
            ],
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              1,
              4
            ],
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              1,
              3
            ],
            "9": [
              2,
              4
            ],
            "10": [
              1,
              7
            ],
            "11": [
              3,
              7
            ],
            "12": [
              5,
              8
            ]
          },
          "unit_marker_cells": {
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              4
            ],
            "2": [
              6,
              2
            ],
            "3": [
              4,
              2
            ],
            "4": [
              3,
              2
            ],
            "5": [
              1,
              2
            ],
            "6": [
              4,
              4
            ],
            "7": [
              1,
              4
            ]
          },
          "opening_marker_cells": {
            "8": [
              1,
              3
            ],
            "9": [
              2,
              4
            ]
          },
          "fixture_marker_cells": {
            "10": [
              1,
              7
            ],
            "11": [
              3,
              7
            ]
          },
          "furniture_marker_cells": {
            "12": [
              5,
              8
            ]
          },
          "camera_cell_candidates_per_unit": {
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              [
                7,
                4
              ]
            ],
            "2": [
              [
                6,
                2
              ]
            ],
            "3": [
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              ]
            ],
            "4": [
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              ]
            ],
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            ],
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              [
                4,
                4
              ]
            ],
            "7": [
              [
                1,
                4
              ]
            ]
          },
          "look_at_cell_candidates_per_unit": {
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                1,
                3
              ],
              [
                1,
                7
              ],
              [
                2,
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              ],
              [
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            ],
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                3
              ],
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            ],
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            ],
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          },
          "direction_vector_records": [
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              "look_at_unit": 2,
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              ],
              "dx": -2,
              "dy": 0,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 7,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                1,
                2
              ],
              "dx": -2,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 7,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                1,
                2
              ],
              "dx": -2,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 7,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                4,
                4
              ],
              "dx": 0,
              "dy": 3,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 7,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                4,
                4
              ],
              "dx": 0,
              "dy": 3,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 7,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                4,
                4
              ],
              "dx": 0,
              "dy": 3,
              "lens_enum": "telephoto",
              "fov_deg": 25
            }
          ],
          "visible_units_candidates": {
            "1": [
              2,
              3,
              4,
              5,
              6,
              7
            ],
            "2": [
              1,
              3,
              4,
              5,
              6,
              7
            ],
            "3": [
              1,
              2,
              4,
              5,
              6,
              7
            ],
            "4": [
              1,
              2,
              3,
              5,
              6,
              7
            ],
            "5": [
              1,
              2,
              3,
              4,
              6,
              7
            ],
            "6": [
              1,
              2,
              3,
              4,
              5,
              7
            ],
            "7": [
              1,
              2,
              3,
              4,
              5,
              6
            ]
          },
          "visible_openings_candidates": {
            "1": [
              8,
              9
            ],
            "2": [
              8,
              9
            ],
            "3": [
              8,
              9
            ],
            "4": [
              8,
              9
            ],
            "5": [
              8,
              9
            ],
            "6": [
              8,
              9
            ],
            "7": [
              8,
              9
            ]
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [],
          "diagnostics": []
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_l04_exterior_stairs.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      },
      "fp_l05_rooftop_room_interior": {
        "fp_id": "fp_l05_rooftop_room_interior",
        "readback_status": "ok",
        "readback": {
          "status": "ok",
          "fp_id": "fp_l05_rooftop_room_interior",
          "grid_size": [
            10,
            10
          ],
          "observed_markers": [
            {
              "number": 1,
              "row": 8,
              "col": 1,
              "kind": "base_structural_unit"
            },
            {
              "number": 2,
              "row": 6,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 3,
              "row": 5,
              "col": 1,
              "kind": "base_structural_unit"
            },
            {
              "number": 4,
              "row": 1,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 5,
              "row": 6,
              "col": 7,
              "kind": "base_structural_unit"
            },
            {
              "number": 6,
              "row": 2,
              "col": 1,
              "kind": "base_structural_unit"
            },
            {
              "number": 7,
              "row": 9,
              "col": 1,
              "kind": "base_opening"
            },
            {
              "number": 8,
              "row": 3,
              "col": 4,
              "kind": "base_opening"
            },
            {
              "number": 9,
              "row": 6,
              "col": 6,
              "kind": "base_opening"
            },
            {
              "number": 10,
              "row": 2,
              "col": 2,
              "kind": "base_opening"
            },
            {
              "number": 11,
              "row": 8,
              "col": 4,
              "kind": "base_opening"
            },
            {
              "number": 12,
              "row": 5,
              "col": 8,
              "kind": "base_opening"
            },
            {
              "number": 13,
              "row": 3,
              "col": 1,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 14,
              "row": 5,
              "col": 1,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 15,
              "row": 1,
              "col": 1,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 16,
              "row": 1,
              "col": 2,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 17,
              "row": 0,
              "col": 1,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 18,
              "row": 4,
              "col": 4,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 19,
              "row": 5,
              "col": 4,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 20,
              "row": 4,
              "col": 4,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 21,
              "row": 8,
              "col": 5,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 22,
              "row": 1,
              "col": 6,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 23,
              "row": 5,
              "col": 7,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 24,
              "row": 4,
              "col": 8,
              "kind": "base_persistent_furniture"
            }
          ],
          "missing_markers": [],
          "extra_markers": [],
          "confidence": 0.99,
          "diagnostics": [
            "observed_markers[13] cell (5,1) shares a 10x10 cell with marker #3 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)",
            "observed_markers[19] cell (4,4) shares a 10x10 cell with marker #18 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)"
          ],
          "cell_collision_diagnostics": [
            "observed_markers[13] cell (5,1) shares a 10x10 cell with marker #3 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)",
            "observed_markers[19] cell (4,4) shares a 10x10 cell with marker #18 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)"
          ],
          "provider_name": "litellm_gpt55_vision_v1"
        },
        "geometry": {
          "fp_id": "fp_l05_rooftop_room_interior",
          "grid_size": [
            10,
            10
          ],
          "readback_status": "ok",
          "marker_cells": {
            "1": [
              8,
              1
            ],
            "2": [
              6,
              4
            ],
            "3": [
              5,
              1
            ],
            "4": [
              1,
              4
            ],
            "5": [
              6,
              7
            ],
            "6": [
              2,
              1
            ],
            "7": [
              9,
              1
            ],
            "8": [
              3,
              4
            ],
            "9": [
              6,
              6
            ],
            "10": [
              2,
              2
            ],
            "11": [
              8,
              4
            ],
            "12": [
              5,
              8
            ],
            "13": [
              3,
              1
            ],
            "14": [
              5,
              1
            ],
            "15": [
              1,
              1
            ],
            "16": [
              1,
              2
            ],
            "17": [
              0,
              1
            ],
            "18": [
              4,
              4
            ],
            "19": [
              5,
              4
            ],
            "20": [
              4,
              4
            ],
            "21": [
              8,
              5
            ],
            "22": [
              1,
              6
            ],
            "23": [
              5,
              7
            ],
            "24": [
              4,
              8
            ]
          },
          "unit_marker_cells": {
            "1": [
              8,
              1
            ],
            "2": [
              6,
              4
            ],
            "3": [
              5,
              1
            ],
            "4": [
              1,
              4
            ],
            "5": [
              6,
              7
            ],
            "6": [
              2,
              1
            ]
          },
          "opening_marker_cells": {
            "7": [
              9,
              1
            ],
            "8": [
              3,
              4
            ],
            "9": [
              6,
              6
            ],
            "10": [
              2,
              2
            ],
            "11": [
              8,
              4
            ],
            "12": [
              5,
              8
            ]
          },
          "fixture_marker_cells": {
            "13": [
              3,
              1
            ],
            "14": [
              5,
              1
            ],
            "15": [
              1,
              1
            ],
            "16": [
              1,
              2
            ],
            "17": [
              0,
              1
            ]
          },
          "furniture_marker_cells": {
            "18": [
              4,
              4
            ],
            "19": [
              5,
              4
            ],
            "20": [
              4,
              4
            ],
            "21": [
              8,
              5
            ],
            "22": [
              1,
              6
            ],
            "23": [
              5,
              7
            ],
            "24": [
              4,
              8
            ]
          },
          "camera_cell_candidates_per_unit": {
            "1": [
              [
                8,
                1
              ]
            ],
            "2": [
              [
                6,
                4
              ]
            ],
            "3": [
              [
                5,
                1
              ]
            ],
            "4": [
              [
                1,
                4
              ]
            ],
            "5": [
              [
                6,
                7
              ]
            ],
            "6": [
              [
                2,
                1
              ]
            ]
          },
          "look_at_cell_candidates_per_unit": {
            "1": [
              [
                0,
                1
              ],
              [
                1,
                1
              ],
              [
                1,
                2
              ],
              [
                1,
                6
              ],
              [
                2,
                2
              ],
              [
                3,
                1
              ],
              [
                3,
                4
              ],
              [
                4,
                4
              ],
              [
                4,
                8
              ],
              [
                5,
                1
              ],
              [
                5,
                4
              ],
              [
                5,
                7
              ],
              [
                5,
                8
              ],
              [
                6,
                6
              ],
              [
                8,
                4
              ],
              [
                8,
                5
              ],
              [
                9,
                1
              ]
            ],
            "2": [
              [
                0,
                1
              ],
              [
                1,
                1
              ],
              [
                1,
                2
              ],
              [
                1,
                6
              ],
              [
                2,
                2
              ],
              [
                3,
                1
              ],
              [
                3,
                4
              ],
              [
                4,
                4
              ],
              [
                4,
                8
              ],
              [
                5,
                1
              ],
              [
                5,
                4
              ],
              [
                5,
                7
              ],
              [
                5,
                8
              ],
              [
                6,
                6
              ],
              [
                8,
                4
              ],
              [
                8,
                5
              ],
              [
                9,
                1
              ]
            ],
            "3": [
              [
                0,
                1
              ],
              [
                1,
                1
              ],
              [
                1,
                2
              ],
              [
                1,
                6
              ],
              [
                2,
                2
              ],
              [
                3,
                1
              ],
              [
                3,
                4
              ],
              [
                4,
                4
              ],
              [
                4,
                8
              ],
              [
                5,
                1
              ],
              [
                5,
                4
              ],
              [
                5,
                7
              ],
              [
                5,
                8
              ],
              [
                6,
                6
              ],
              [
                8,
                4
              ],
              [
                8,
                5
              ],
              [
                9,
                1
              ]
            ],
            "4": [
              [
                0,
                1
              ],
              [
                1,
                1
              ],
              [
                1,
                2
              ],
              [
                1,
                6
              ],
              [
                2,
                2
              ],
              [
                3,
                1
              ],
              [
                3,
                4
              ],
              [
                4,
                4
              ],
              [
                4,
                8
              ],
              [
                5,
                1
              ],
              [
                5,
                4
              ],
              [
                5,
                7
              ],
              [
                5,
                8
              ],
              [
                6,
                6
              ],
              [
                8,
                4
              ],
              [
                8,
                5
              ],
              [
                9,
                1
              ]
            ],
            "5": [
              [
                0,
                1
              ],
              [
                1,
                1
              ],
              [
                1,
                2
              ],
              [
                1,
                6
              ],
              [
                2,
                2
              ],
              [
                3,
                1
              ],
              [
                3,
                4
              ],
              [
                4,
                4
              ],
              [
                4,
                8
              ],
              [
                5,
                1
              ],
              [
                5,
                4
              ],
              [
                5,
                7
              ],
              [
                5,
                8
              ],
              [
                6,
                6
              ],
              [
                8,
                4
              ],
              [
                8,
                5
              ],
              [
                9,
                1
              ]
            ],
            "6": [
              [
                0,
                1
              ],
              [
                1,
                1
              ],
              [
                1,
                2
              ],
              [
                1,
                6
              ],
              [
                2,
                2
              ],
              [
                3,
                1
              ],
              [
                3,
                4
              ],
              [
                4,
                4
              ],
              [
                4,
                8
              ],
              [
                5,
                1
              ],
              [
                5,
                4
              ],
              [
                5,
                7
              ],
              [
                5,
                8
              ],
              [
                6,
                6
              ],
              [
                8,
                4
              ],
              [
                8,
                5
              ],
              [
                9,
                1
              ]
            ]
          },
          "direction_vector_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                1
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                6,
                4
              ],
              "dx": 3,
              "dy": -2,
              "length_l1": 5
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                1
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                1
              ],
              "dx": 0,
              "dy": -3,
              "length_l1": 3
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                1
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 3,
              "dy": -7,
              "length_l1": 10
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                1
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 6,
              "dy": -2,
              "length_l1": 8
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                1
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                2,
                1
              ],
              "dx": 0,
              "dy": -6,
              "length_l1": 6
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                6,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                1
              ],
              "dx": -3,
              "dy": 2,
              "length_l1": 5
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                6,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                1
              ],
              "dx": -3,
              "dy": -1,
              "length_l1": 4
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                6,
                4
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 0,
              "dy": -5,
              "length_l1": 5
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                6,
                4
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 0,
              "length_l1": 3
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                6,
                4
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                2,
                1
              ],
              "dx": -3,
              "dy": -4,
              "length_l1": 7
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                1
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                1
              ],
              "dx": 0,
              "dy": 3,
              "length_l1": 3
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                1
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                6,
                4
              ],
              "dx": 3,
              "dy": 1,
              "length_l1": 4
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                1
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 3,
              "dy": -4,
              "length_l1": 7
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                1
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 6,
              "dy": 1,
              "length_l1": 7
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                1
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                2,
                1
              ],
              "dx": 0,
              "dy": -3,
              "length_l1": 3
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                1
              ],
              "dx": -3,
              "dy": 7,
              "length_l1": 10
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                6,
                4
              ],
              "dx": 0,
              "dy": 5,
              "length_l1": 5
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                1
              ],
              "dx": -3,
              "dy": 4,
              "length_l1": 7
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 5,
              "length_l1": 8
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                2,
                1
              ],
              "dx": -3,
              "dy": 1,
              "length_l1": 4
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                1
              ],
              "dx": -6,
              "dy": 2,
              "length_l1": 8
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                6,
                4
              ],
              "dx": -3,
              "dy": 0,
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              ],
              "look_at_unit": 2,
              "look_at_cell": [
                6,
                4
              ],
              "dx": -3,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                6,
                4
              ],
              "dx": -3,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                1
              ],
              "dx": -6,
              "dy": -1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                1
              ],
              "dx": -6,
              "dy": -1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                1
              ],
              "dx": -6,
              "dy": -1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                1,
                4
              ],
              "dx": -3,
              "dy": -5,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                1,
                4
              ],
              "dx": -3,
              "dy": -5,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                1,
                4
              ],
              "dx": -3,
              "dy": -5,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                2,
                1
              ],
              "dx": -6,
              "dy": -4,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                2,
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              ],
              "dx": -6,
              "dy": -4,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                2,
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              ],
              "dx": -6,
              "dy": -4,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                1
              ],
              "dx": 0,
              "dy": 6,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                1
              ],
              "dx": 0,
              "dy": 6,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                1
              ],
              "dx": 0,
              "dy": 6,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                6,
                4
              ],
              "dx": 3,
              "dy": 4,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                6,
                4
              ],
              "dx": 3,
              "dy": 4,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                6,
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              ],
              "dx": 3,
              "dy": 4,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                1
              ],
              "dx": 0,
              "dy": 3,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                1
              ],
              "dx": 0,
              "dy": 3,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                1
              ],
              "dx": 0,
              "dy": 3,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 3,
              "dy": -1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 3,
              "dy": -1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 3,
              "dy": -1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 6,
              "dy": 4,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 6,
              "dy": 4,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                2,
                1
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 6,
              "dy": 4,
              "lens_enum": "telephoto",
              "fov_deg": 25
            }
          ],
          "visible_units_candidates": {
            "1": [
              2,
              3,
              4,
              5,
              6
            ],
            "2": [
              1,
              3,
              4,
              5,
              6
            ],
            "3": [
              1,
              2,
              4,
              5,
              6
            ],
            "4": [
              1,
              2,
              3,
              5,
              6
            ],
            "5": [
              1,
              2,
              3,
              4,
              6
            ],
            "6": [
              1,
              2,
              3,
              4,
              5
            ]
          },
          "visible_openings_candidates": {
            "1": [
              7,
              8,
              9,
              10,
              11,
              12
            ],
            "2": [
              7,
              8,
              9,
              10,
              11,
              12
            ],
            "3": [
              7,
              8,
              9,
              10,
              11,
              12
            ],
            "4": [
              7,
              8,
              9,
              10,
              11,
              12
            ],
            "5": [
              7,
              8,
              9,
              10,
              11,
              12
            ],
            "6": [
              7,
              8,
              9,
              10,
              11,
              12
            ]
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [
            "observed_marker #14 shares 10x10 cell (5,1) with marker #3 (W20E6-A: surfaced as diagnostic, not a hard failure)",
            "observed_marker #20 shares 10x10 cell (4,4) with marker #18 (W20E6-A: surfaced as diagnostic, not a hard failure)"
          ],
          "diagnostics": [
            "observed_marker #14 shares 10x10 cell (5,1) with marker #3 (W20E6-A: surfaced as diagnostic, not a hard failure)",
            "observed_marker #20 shares 10x10 cell (4,4) with marker #18 (W20E6-A: surfaced as diagnostic, not a hard failure)"
          ]
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_l05_rooftop_room_interior.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      },
      "fp_l09_retail_store": {
        "fp_id": "fp_l09_retail_store",
        "readback_status": "ok",
        "readback": {
          "status": "ok",
          "fp_id": "fp_l09_retail_store",
          "grid_size": [
            10,
            10
          ],
          "observed_markers": [
            {
              "number": 1,
              "row": 8,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 2,
              "row": 8,
              "col": 0,
              "kind": "base_structural_unit"
            },
            {
              "number": 3,
              "row": 7,
              "col": 5,
              "kind": "base_structural_unit"
            },
            {
              "number": 4,
              "row": 6,
              "col": 5,
              "kind": "base_structural_unit"
            },
            {
              "number": 5,
              "row": 6,
              "col": 0,
              "kind": "base_structural_unit"
            },
            {
              "number": 6,
              "row": 5,
              "col": 2,
              "kind": "base_opening"
            },
            {
              "number": 7,
              "row": 6,
              "col": 2,
              "kind": "base_opening"
            },
            {
              "number": 8,
              "row": 3,
              "col": 1,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 9,
              "row": 3,
              "col": 3,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 10,
              "row": 3,
              "col": 6,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 11,
              "row": 3,
              "col": 8,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 12,
              "row": 2,
              "col": 4,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 14,
              "row": 3,
              "col": 5,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 15,
              "row": 3,
              "col": 9,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 16,
              "row": 1,
              "col": 5,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 17,
              "row": 0,
              "col": 8,
              "kind": "base_opening"
            },
            {
              "number": 18,
              "row": 0,
              "col": 5,
              "kind": "base_persistent_fixture"
            }
          ],
          "missing_markers": [
            13
          ],
          "extra_markers": [],
          "confidence": 0.99,
          "diagnostics": [],
          "cell_collision_diagnostics": [],
          "provider_name": "litellm_gpt55_vision_v1"
        },
        "geometry": {
          "fp_id": "fp_l09_retail_store",
          "grid_size": [
            10,
            10
          ],
          "readback_status": "ok",
          "marker_cells": {
            "1": [
              8,
              4
            ],
            "2": [
              8,
              0
            ],
            "3": [
              7,
              5
            ],
            "4": [
              6,
              5
            ],
            "5": [
              6,
              0
            ],
            "6": [
              5,
              2
            ],
            "7": [
              6,
              2
            ],
            "8": [
              3,
              1
            ],
            "9": [
              3,
              3
            ],
            "10": [
              3,
              6
            ],
            "11": [
              3,
              8
            ],
            "12": [
              2,
              4
            ],
            "14": [
              3,
              5
            ],
            "15": [
              3,
              9
            ],
            "16": [
              1,
              5
            ],
            "17": [
              0,
              8
            ],
            "18": [
              0,
              5
            ]
          },
          "unit_marker_cells": {
            "1": [
              8,
              4
            ],
            "2": [
              8,
              0
            ],
            "3": [
              7,
              5
            ],
            "4": [
              6,
              5
            ],
            "5": [
              6,
              0
            ]
          },
          "opening_marker_cells": {
            "6": [
              5,
              2
            ],
            "7": [
              6,
              2
            ],
            "17": [
              0,
              8
            ]
          },
          "fixture_marker_cells": {
            "14": [
              3,
              5
            ],
            "15": [
              3,
              9
            ],
            "16": [
              1,
              5
            ],
            "18": [
              0,
              5
            ]
          },
          "furniture_marker_cells": {
            "8": [
              3,
              1
            ],
            "9": [
              3,
              3
            ],
            "10": [
              3,
              6
            ],
            "11": [
              3,
              8
            ],
            "12": [
              2,
              4
            ]
          },
          "camera_cell_candidates_per_unit": {
            "1": [
              [
                8,
                4
              ]
            ],
            "2": [
              [
                8,
                0
              ]
            ],
            "3": [
              [
                7,
                5
              ]
            ],
            "4": [
              [
                6,
                5
              ]
            ],
            "5": [
              [
                6,
                0
              ]
            ]
          },
          "look_at_cell_candidates_per_unit": {
            "1": [
              [
                0,
                5
              ],
              [
                0,
                8
              ],
              [
                1,
                5
              ],
              [
                2,
                4
              ],
              [
                3,
                1
              ],
              [
                3,
                3
              ],
              [
                3,
                5
              ],
              [
                3,
                6
              ],
              [
                3,
                8
              ],
              [
                3,
                9
              ],
              [
                5,
                2
              ],
              [
                6,
                2
              ]
            ],
            "2": [
              [
                0,
                5
              ],
              [
                0,
                8
              ],
              [
                1,
                5
              ],
              [
                2,
                4
              ],
              [
                3,
                1
              ],
              [
                3,
                3
              ],
              [
                3,
                5
              ],
              [
                3,
                6
              ],
              [
                3,
                8
              ],
              [
                3,
                9
              ],
              [
                5,
                2
              ],
              [
                6,
                2
              ]
            ],
            "3": [
              [
                0,
                5
              ],
              [
                0,
                8
              ],
              [
                1,
                5
              ],
              [
                2,
                4
              ],
              [
                3,
                1
              ],
              [
                3,
                3
              ],
              [
                3,
                5
              ],
              [
                3,
                6
              ],
              [
                3,
                8
              ],
              [
                3,
                9
              ],
              [
                5,
                2
              ],
              [
                6,
                2
              ]
            ],
            "4": [
              [
                0,
                5
              ],
              [
                0,
                8
              ],
              [
                1,
                5
              ],
              [
                2,
                4
              ],
              [
                3,
                1
              ],
              [
                3,
                3
              ],
              [
                3,
                5
              ],
              [
                3,
                6
              ],
              [
                3,
                8
              ],
              [
                3,
                9
              ],
              [
                5,
                2
              ],
              [
                6,
                2
              ]
            ],
            "5": [
              [
                0,
                5
              ],
              [
                0,
                8
              ],
              [
                1,
                5
              ],
              [
                2,
                4
              ],
              [
                3,
                1
              ],
              [
                3,
                3
              ],
              [
                3,
                5
              ],
              [
                3,
                6
              ],
              [
                3,
                8
              ],
              [
                3,
                9
              ],
              [
                5,
                2
              ],
              [
                6,
                2
              ]
            ]
          },
          "direction_vector_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                8,
                0
              ],
              "dx": -4,
              "dy": 0,
              "length_l1": 4
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                5
              ],
              "dx": 1,
              "dy": -1,
              "length_l1": 2
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                4
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                6,
                5
              ],
              "dx": 1,
              "dy": -2,
              "length_l1": 3
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                8,
                4
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                0
              ],
              "dx": -4,
              "dy": -2,
              "length_l1": 6
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                8,
                0
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                4
              ],
              "dx": 4,
              "dy": 0,
              "length_l1": 4
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                8,
                0
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                5
              ],
              "dx": 5,
              "dy": -1,
              "length_l1": 6
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                8,
                0
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                6,
                5
              ],
              "dx": 5,
              "dy": -2,
              "length_l1": 7
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                8,
                0
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                0
              ],
              "dx": 0,
              "dy": -2,
              "length_l1": 2
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                4
              ],
              "dx": -1,
              "dy": 1,
              "length_l1": 2
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                5
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                8,
                0
              ],
              "dx": -5,
              "dy": 1,
              "length_l1": 6
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                5
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                6,
                5
              ],
              "dx": 0,
              "dy": -1,
              "length_l1": 1
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                5
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                6,
                0
              ],
              "dx": -5,
              "dy": -1,
              "length_l1": 6
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                6,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                8,
                4
              ],
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              ],
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          ],
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              3,
              4,
              5
            ],
            "2": [
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              3,
              4,
              5
            ],
            "3": [
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              4,
              5
            ],
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              2,
              3,
              5
            ],
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              3,
              4
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          },
          "visible_openings_candidates": {
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            ],
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            ],
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            ],
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              17
            ],
            "5": [
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              17
            ]
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [],
          "diagnostics": []
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_l09_retail_store.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      },
      "fp_l13_admin_cctv_room": {
        "fp_id": "fp_l13_admin_cctv_room",
        "readback_status": "ok",
        "readback": {
          "status": "ok",
          "fp_id": "fp_l13_admin_cctv_room",
          "grid_size": [
            10,
            10
          ],
          "observed_markers": [
            {
              "number": 1,
              "row": 4,
              "col": 1,
              "kind": "base_structural_unit"
            },
            {
              "number": 2,
              "row": 3,
              "col": 8,
              "kind": "base_structural_unit"
            },
            {
              "number": 3,
              "row": 5,
              "col": 5,
              "kind": "base_structural_unit"
            },
            {
              "number": 4,
              "row": 8,
              "col": 2,
              "kind": "base_opening"
            },
            {
              "number": 5,
              "row": 1,
              "col": 4,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 6,
              "row": 1,
              "col": 5,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 7,
              "row": 2,
              "col": 5,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 8,
              "row": 3,
              "col": 4,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 9,
              "row": 3,
              "col": 6,
              "kind": "base_persistent_furniture"
            }
          ],
          "missing_markers": [],
          "extra_markers": [],
          "confidence": 0.99,
          "diagnostics": [],
          "cell_collision_diagnostics": [],
          "provider_name": "litellm_gpt55_vision_v1"
        },
        "geometry": {
          "fp_id": "fp_l13_admin_cctv_room",
          "grid_size": [
            10,
            10
          ],
          "readback_status": "ok",
          "marker_cells": {
            "1": [
              4,
              1
            ],
            "2": [
              3,
              8
            ],
            "3": [
              5,
              5
            ],
            "4": [
              8,
              2
            ],
            "5": [
              1,
              4
            ],
            "6": [
              1,
              5
            ],
            "7": [
              2,
              5
            ],
            "8": [
              3,
              4
            ],
            "9": [
              3,
              6
            ]
          },
          "unit_marker_cells": {
            "1": [
              4,
              1
            ],
            "2": [
              3,
              8
            ],
            "3": [
              5,
              5
            ]
          },
          "opening_marker_cells": {
            "4": [
              8,
              2
            ]
          },
          "fixture_marker_cells": {
            "6": [
              1,
              5
            ]
          },
          "furniture_marker_cells": {
            "5": [
              1,
              4
            ],
            "7": [
              2,
              5
            ],
            "8": [
              3,
              4
            ],
            "9": [
              3,
              6
            ]
          },
          "camera_cell_candidates_per_unit": {
            "1": [
              [
                4,
                1
              ]
            ],
            "2": [
              [
                3,
                8
              ]
            ],
            "3": [
              [
                5,
                5
              ]
            ]
          },
          "look_at_cell_candidates_per_unit": {
            "1": [
              [
                1,
                4
              ],
              [
                1,
                5
              ],
              [
                2,
                5
              ],
              [
                3,
                4
              ],
              [
                3,
                6
              ],
              [
                8,
                2
              ]
            ],
            "2": [
              [
                1,
                4
              ],
              [
                1,
                5
              ],
              [
                2,
                5
              ],
              [
                3,
                4
              ],
              [
                3,
                6
              ],
              [
                8,
                2
              ]
            ],
            "3": [
              [
                1,
                4
              ],
              [
                1,
                5
              ],
              [
                2,
                5
              ],
              [
                3,
                4
              ],
              [
                3,
                6
              ],
              [
                8,
                2
              ]
            ]
          },
          "direction_vector_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                4,
                1
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                3,
                8
              ],
              "dx": 7,
              "dy": -1,
              "length_l1": 8
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                4,
                1
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                5
              ],
              "dx": 4,
              "dy": 1,
              "length_l1": 5
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                3,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                4,
                1
              ],
              "dx": -7,
              "dy": 1,
              "length_l1": 8
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                3,
                8
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                5
              ],
              "dx": -3,
              "dy": 2,
              "length_l1": 5
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                4,
                1
              ],
              "dx": -4,
              "dy": -1,
              "length_l1": 5
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                3,
                8
              ],
              "dx": 3,
              "dy": -2,
              "length_l1": 5
            }
          ],
          "view_cone_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                4,
                1
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                3,
                8
              ],
              "dx": 7,
              "dy": -1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                4,
                1
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                3,
                8
              ],
              "dx": 7,
              "dy": -1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                4,
                1
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                3,
                8
              ],
              "dx": 7,
              "dy": -1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                4,
                1
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                5
              ],
              "dx": 4,
              "dy": 1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                4,
                1
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                5
              ],
              "dx": 4,
              "dy": 1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                4,
                1
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                5
              ],
              "dx": 4,
              "dy": 1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                3,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                4,
                1
              ],
              "dx": -7,
              "dy": 1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                3,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                4,
                1
              ],
              "dx": -7,
              "dy": 1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                3,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                4,
                1
              ],
              "dx": -7,
              "dy": 1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                3,
                8
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                5
              ],
              "dx": -3,
              "dy": 2,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                3,
                8
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                5
              ],
              "dx": -3,
              "dy": 2,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                3,
                8
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                5
              ],
              "dx": -3,
              "dy": 2,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                4,
                1
              ],
              "dx": -4,
              "dy": -1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                4,
                1
              ],
              "dx": -4,
              "dy": -1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                4,
                1
              ],
              "dx": -4,
              "dy": -1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                3,
                8
              ],
              "dx": 3,
              "dy": -2,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                3,
                8
              ],
              "dx": 3,
              "dy": -2,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                3,
                8
              ],
              "dx": 3,
              "dy": -2,
              "lens_enum": "telephoto",
              "fov_deg": 25
            }
          ],
          "visible_units_candidates": {
            "1": [
              2,
              3
            ],
            "2": [
              1,
              3
            ],
            "3": [
              1,
              2
            ]
          },
          "visible_openings_candidates": {
            "1": [
              4
            ],
            "2": [
              4
            ],
            "3": [
              4
            ]
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [],
          "diagnostics": []
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_l13_admin_cctv_room.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      },
      "fp_l12_police_office": {
        "fp_id": "fp_l12_police_office",
        "readback_status": "ok",
        "readback": {
          "status": "ok",
          "fp_id": "fp_l12_police_office",
          "grid_size": [
            10,
            10
          ],
          "observed_markers": [
            {
              "number": 1,
              "row": 3,
              "col": 3,
              "kind": "base_structural_unit"
            },
            {
              "number": 2,
              "row": 7,
              "col": 3,
              "kind": "base_structural_unit"
            },
            {
              "number": 3,
              "row": 3,
              "col": 5,
              "kind": "base_structural_unit"
            },
            {
              "number": 4,
              "row": 2,
              "col": 8,
              "kind": "base_structural_unit"
            },
            {
              "number": 5,
              "row": 8,
              "col": 5,
              "kind": "base_opening"
            },
            {
              "number": 6,
              "row": 5,
              "col": 2,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 7,
              "row": 5,
              "col": 6,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 8,
              "row": 5,
              "col": 2,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 9,
              "row": 5,
              "col": 6,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 10,
              "row": 1,
              "col": 2,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 11,
              "row": 5,
              "col": 0,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 12,
              "row": 5,
              "col": 9,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 13,
              "row": 0,
              "col": 5,
              "kind": "base_opening"
            }
          ],
          "missing_markers": [],
          "extra_markers": [],
          "confidence": 0.99,
          "diagnostics": [
            "observed_markers[7] cell (5,2) shares a 10x10 cell with marker #6 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)",
            "observed_markers[8] cell (5,6) shares a 10x10 cell with marker #7 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)"
          ],
          "cell_collision_diagnostics": [
            "observed_markers[7] cell (5,2) shares a 10x10 cell with marker #6 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)",
            "observed_markers[8] cell (5,6) shares a 10x10 cell with marker #7 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)"
          ],
          "provider_name": "litellm_gpt55_vision_v1"
        },
        "geometry": {
          "fp_id": "fp_l12_police_office",
          "grid_size": [
            10,
            10
          ],
          "readback_status": "ok",
          "marker_cells": {
            "1": [
              3,
              3
            ],
            "2": [
              7,
              3
            ],
            "3": [
              3,
              5
            ],
            "4": [
              2,
              8
            ],
            "5": [
              8,
              5
            ],
            "6": [
              5,
              2
            ],
            "7": [
              5,
              6
            ],
            "8": [
              5,
              2
            ],
            "9": [
              5,
              6
            ],
            "10": [
              1,
              2
            ],
            "11": [
              5,
              0
            ],
            "12": [
              5,
              9
            ],
            "13": [
              0,
              5
            ]
          },
          "unit_marker_cells": {
            "1": [
              3,
              3
            ],
            "2": [
              7,
              3
            ],
            "3": [
              3,
              5
            ],
            "4": [
              2,
              8
            ]
          },
          "opening_marker_cells": {
            "5": [
              8,
              5
            ],
            "13": [
              0,
              5
            ]
          },
          "fixture_marker_cells": {
            "8": [
              5,
              2
            ],
            "9": [
              5,
              6
            ],
            "12": [
              5,
              9
            ]
          },
          "furniture_marker_cells": {
            "6": [
              5,
              2
            ],
            "7": [
              5,
              6
            ],
            "10": [
              1,
              2
            ],
            "11": [
              5,
              0
            ]
          },
          "camera_cell_candidates_per_unit": {
            "1": [
              [
                3,
                3
              ]
            ],
            "2": [
              [
                7,
                3
              ]
            ],
            "3": [
              [
                3,
                5
              ]
            ],
            "4": [
              [
                2,
                8
              ]
            ]
          },
          "look_at_cell_candidates_per_unit": {
            "1": [
              [
                0,
                5
              ],
              [
                1,
                2
              ],
              [
                5,
                0
              ],
              [
                5,
                2
              ],
              [
                5,
                6
              ],
              [
                5,
                9
              ],
              [
                8,
                5
              ]
            ],
            "2": [
              [
                0,
                5
              ],
              [
                1,
                2
              ],
              [
                5,
                0
              ],
              [
                5,
                2
              ],
              [
                5,
                6
              ],
              [
                5,
                9
              ],
              [
                8,
                5
              ]
            ],
            "3": [
              [
                0,
                5
              ],
              [
                1,
                2
              ],
              [
                5,
                0
              ],
              [
                5,
                2
              ],
              [
                5,
                6
              ],
              [
                5,
                9
              ],
              [
                8,
                5
              ]
            ],
            "4": [
              [
                0,
                5
              ],
              [
                1,
                2
              ],
              [
                5,
                0
              ],
              [
                5,
                2
              ],
              [
                5,
                6
              ],
              [
                5,
                9
              ],
              [
                8,
                5
              ]
            ]
          },
          "direction_vector_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                3,
                3
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": 0,
              "dy": 4,
              "length_l1": 4
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                3,
                3
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
                5
              ],
              "dx": 2,
              "dy": 0,
              "length_l1": 2
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                3,
                3
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                2,
                8
              ],
              "dx": 5,
              "dy": -1,
              "length_l1": 6
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": 0,
              "dy": -4,
              "length_l1": 4
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
                5
              ],
              "dx": 2,
              "dy": -4,
              "length_l1": 6
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                2,
                8
              ],
              "dx": 5,
              "dy": -5,
              "length_l1": 10
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": -2,
              "dy": 0,
              "length_l1": 2
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": -2,
              "dy": 4,
              "length_l1": 6
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                2,
                8
              ],
              "dx": 3,
              "dy": -1,
              "length_l1": 4
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": -5,
              "dy": 1,
              "length_l1": 6
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": -5,
              "dy": 5,
              "length_l1": 10
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
                5
              ],
              "dx": -3,
              "dy": 1,
              "length_l1": 4
            }
          ],
          "view_cone_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                3,
                3
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": 0,
              "dy": 4,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                3,
                3
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": 0,
              "dy": 4,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                3,
                3
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": 0,
              "dy": 4,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                3,
                3
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
                5
              ],
              "dx": 2,
              "dy": 0,
              "lens_enum": "wide",
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            },
            {
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                3,
                3
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
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              ],
              "dx": 2,
              "dy": 0,
              "lens_enum": "normal",
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            },
            {
              "camera_unit": 1,
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                3,
                3
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
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              ],
              "dx": 2,
              "dy": 0,
              "lens_enum": "telephoto",
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            },
            {
              "camera_unit": 1,
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                3,
                3
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                2,
                8
              ],
              "dx": 5,
              "dy": -1,
              "lens_enum": "wide",
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            },
            {
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              ],
              "look_at_unit": 4,
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              ],
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            },
            {
              "camera_unit": 1,
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                3,
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              ],
              "look_at_unit": 4,
              "look_at_cell": [
                2,
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              ],
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            },
            {
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                3
              ],
              "look_at_unit": 1,
              "look_at_cell": [
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              ],
              "dx": 0,
              "dy": -4,
              "lens_enum": "wide",
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            },
            {
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              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": 0,
              "dy": -4,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": 0,
              "dy": -4,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
                5
              ],
              "dx": 2,
              "dy": -4,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
                5
              ],
              "dx": 2,
              "dy": -4,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
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              ],
              "dx": 2,
              "dy": -4,
              "lens_enum": "telephoto",
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            },
            {
              "camera_unit": 2,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                2,
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              ],
              "dx": 5,
              "dy": -5,
              "lens_enum": "wide",
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            },
            {
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              ],
              "look_at_unit": 4,
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              ],
              "dx": 5,
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            },
            {
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              ],
              "look_at_unit": 4,
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              ],
              "dx": 5,
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              "lens_enum": "telephoto",
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            },
            {
              "camera_unit": 3,
              "camera_cell": [
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              ],
              "look_at_unit": 1,
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              ],
              "dx": -2,
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            },
            {
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              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": -2,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": -2,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": -2,
              "dy": 4,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": -2,
              "dy": 4,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": -2,
              "dy": 4,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                2,
                8
              ],
              "dx": 3,
              "dy": -1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                2,
                8
              ],
              "dx": 3,
              "dy": -1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                3,
                5
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                2,
                8
              ],
              "dx": 3,
              "dy": -1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": -5,
              "dy": 1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": -5,
              "dy": 1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                3,
                3
              ],
              "dx": -5,
              "dy": 1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": -5,
              "dy": 5,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": -5,
              "dy": 5,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                7,
                3
              ],
              "dx": -5,
              "dy": 5,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
                5
              ],
              "dx": -3,
              "dy": 1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
                5
              ],
              "dx": -3,
              "dy": 1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                2,
                8
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                3,
                5
              ],
              "dx": -3,
              "dy": 1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            }
          ],
          "visible_units_candidates": {
            "1": [
              2,
              3,
              4
            ],
            "2": [
              1,
              3,
              4
            ],
            "3": [
              1,
              2,
              4
            ],
            "4": [
              1,
              2,
              3
            ]
          },
          "visible_openings_candidates": {
            "1": [
              5,
              13
            ],
            "2": [
              5,
              13
            ],
            "3": [
              5,
              13
            ],
            "4": [
              5,
              13
            ]
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [
            "observed_marker #8 shares 10x10 cell (5,2) with marker #6 (W20E6-A: surfaced as diagnostic, not a hard failure)",
            "observed_marker #9 shares 10x10 cell (5,6) with marker #7 (W20E6-A: surfaced as diagnostic, not a hard failure)"
          ],
          "diagnostics": [
            "observed_marker #8 shares 10x10 cell (5,2) with marker #6 (W20E6-A: surfaced as diagnostic, not a hard failure)",
            "observed_marker #9 shares 10x10 cell (5,6) with marker #7 (W20E6-A: surfaced as diagnostic, not a hard failure)"
          ]
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_l12_police_office.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      },
      "fp_open_sea": {
        "fp_id": "fp_open_sea",
        "readback_status": "ok",
        "readback": {
          "status": "ok",
          "fp_id": "fp_open_sea",
          "grid_size": [
            10,
            10
          ],
          "observed_markers": [
            {
              "number": 1,
              "row": 5,
              "col": 2,
              "kind": "base_structural_unit"
            },
            {
              "number": 2,
              "row": 5,
              "col": 5,
              "kind": "base_structural_unit"
            },
            {
              "number": 3,
              "row": 5,
              "col": 8,
              "kind": "base_structural_unit"
            }
          ],
          "missing_markers": [],
          "extra_markers": [],
          "confidence": 0.99,
          "diagnostics": [],
          "cell_collision_diagnostics": [],
          "provider_name": "litellm_gpt55_vision_v1"
        },
        "geometry": {
          "fp_id": "fp_open_sea",
          "grid_size": [
            10,
            10
          ],
          "readback_status": "ok",
          "marker_cells": {
            "1": [
              5,
              2
            ],
            "2": [
              5,
              5
            ],
            "3": [
              5,
              8
            ]
          },
          "unit_marker_cells": {
            "1": [
              5,
              2
            ],
            "2": [
              5,
              5
            ],
            "3": [
              5,
              8
            ]
          },
          "opening_marker_cells": {},
          "fixture_marker_cells": {},
          "furniture_marker_cells": {},
          "camera_cell_candidates_per_unit": {
            "1": [
              [
                5,
                2
              ]
            ],
            "2": [
              [
                5,
                5
              ]
            ],
            "3": [
              [
                5,
                8
              ]
            ]
          },
          "look_at_cell_candidates_per_unit": {
            "1": [],
            "2": [],
            "3": []
          },
          "direction_vector_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                5,
                2
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                5
              ],
              "dx": 3,
              "dy": 0,
              "length_l1": 3
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                5,
                2
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                8
              ],
              "dx": 6,
              "dy": 0,
              "length_l1": 6
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                5,
                2
              ],
              "dx": -3,
              "dy": 0,
              "length_l1": 3
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                8
              ],
              "dx": 3,
              "dy": 0,
              "length_l1": 3
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                5,
                2
              ],
              "dx": -6,
              "dy": 0,
              "length_l1": 6
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                8
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                5
              ],
              "dx": -3,
              "dy": 0,
              "length_l1": 3
            }
          ],
          "view_cone_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                5,
                2
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                5
              ],
              "dx": 3,
              "dy": 0,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                5,
                2
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                5
              ],
              "dx": 3,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                5,
                2
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                5
              ],
              "dx": 3,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                5,
                2
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                8
              ],
              "dx": 6,
              "dy": 0,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                5,
                2
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                8
              ],
              "dx": 6,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                5,
                2
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                8
              ],
              "dx": 6,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                5,
                2
              ],
              "dx": -3,
              "dy": 0,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                5,
                2
              ],
              "dx": -3,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                5,
                2
              ],
              "dx": -3,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                8
              ],
              "dx": 3,
              "dy": 0,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                8
              ],
              "dx": 3,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                5
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                5,
                8
              ],
              "dx": 3,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                5,
                2
              ],
              "dx": -6,
              "dy": 0,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                5,
                2
              ],
              "dx": -6,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                8
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                5,
                2
              ],
              "dx": -6,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                8
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                5
              ],
              "dx": -3,
              "dy": 0,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                8
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                5
              ],
              "dx": -3,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                5,
                8
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                5
              ],
              "dx": -3,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            }
          ],
          "visible_units_candidates": {
            "1": [
              2,
              3
            ],
            "2": [
              1,
              3
            ],
            "3": [
              1,
              2
            ]
          },
          "visible_openings_candidates": {
            "1": [],
            "2": [],
            "3": []
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [],
          "diagnostics": []
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_open_sea.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      },
      "fp_fishing_boat_deck": {
        "fp_id": "fp_fishing_boat_deck",
        "readback_status": "ok",
        "readback": {
          "status": "ok",
          "fp_id": "fp_fishing_boat_deck",
          "grid_size": [
            10,
            10
          ],
          "observed_markers": [
            {
              "number": 1,
              "row": 1,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 2,
              "row": 4,
              "col": 3,
              "kind": "base_structural_unit"
            },
            {
              "number": 3,
              "row": 7,
              "col": 3,
              "kind": "base_structural_unit"
            },
            {
              "number": 4,
              "row": 3,
              "col": 5,
              "kind": "base_structural_unit"
            },
            {
              "number": 5,
              "row": 3,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 6,
              "row": 4,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 7,
              "row": 4,
              "col": 5,
              "kind": "base_opening"
            },
            {
              "number": 8,
              "row": 2,
              "col": 4,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 9,
              "row": 5,
              "col": 4,
              "kind": "base_opening"
            },
            {
              "number": 10,
              "row": 6,
              "col": 4,
              "kind": "base_opening"
            },
            {
              "number": 11,
              "row": 7,
              "col": 4,
              "kind": "base_opening"
            },
            {
              "number": 12,
              "row": 7,
              "col": 3,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 13,
              "row": 7,
              "col": 6,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 14,
              "row": 9,
              "col": 3,
              "kind": "base_persistent_fixture"
            }
          ],
          "missing_markers": [],
          "extra_markers": [],
          "confidence": 0.99,
          "diagnostics": [
            "observed_markers[11] cell (7,3) shares a 10x10 cell with marker #3 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)"
          ],
          "cell_collision_diagnostics": [
            "observed_markers[11] cell (7,3) shares a 10x10 cell with marker #3 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)"
          ],
          "provider_name": "litellm_gpt55_vision_v1"
        },
        "geometry": {
          "fp_id": "fp_fishing_boat_deck",
          "grid_size": [
            10,
            10
          ],
          "readback_status": "ok",
          "marker_cells": {
            "1": [
              1,
              4
            ],
            "2": [
              4,
              3
            ],
            "3": [
              7,
              3
            ],
            "4": [
              3,
              5
            ],
            "5": [
              3,
              4
            ],
            "6": [
              4,
              4
            ],
            "7": [
              4,
              5
            ],
            "8": [
              2,
              4
            ],
            "9": [
              5,
              4
            ],
            "10": [
              6,
              4
            ],
            "11": [
              7,
              4
            ],
            "12": [
              7,
              3
            ],
            "13": [
              7,
              6
            ],
            "14": [
              9,
              3
            ]
          },
          "unit_marker_cells": {
            "1": [
              1,
              4
            ],
            "2": [
              4,
              3
            ],
            "3": [
              7,
              3
            ],
            "4": [
              3,
              5
            ],
            "5": [
              3,
              4
            ],
            "6": [
              4,
              4
            ]
          },
          "opening_marker_cells": {
            "7": [
              4,
              5
            ],
            "9": [
              5,
              4
            ],
            "10": [
              6,
              4
            ],
            "11": [
              7,
              4
            ]
          },
          "fixture_marker_cells": {
            "8": [
              2,
              4
            ],
            "13": [
              7,
              6
            ],
            "14": [
              9,
              3
            ]
          },
          "furniture_marker_cells": {
            "12": [
              7,
              3
            ]
          },
          "camera_cell_candidates_per_unit": {
            "1": [
              [
                1,
                4
              ]
            ],
            "2": [
              [
                4,
                3
              ]
            ],
            "3": [
              [
                7,
                3
              ]
            ],
            "4": [
              [
                3,
                5
              ]
            ],
            "5": [
              [
                3,
                4
              ]
            ],
            "6": [
              [
                4,
                4
              ]
            ]
          },
          "look_at_cell_candidates_per_unit": {
            "1": [
              [
                2,
                4
              ],
              [
                4,
                5
              ],
              [
                5,
                4
              ],
              [
                6,
                4
              ],
              [
                7,
                3
              ],
              [
                7,
                4
              ],
              [
                7,
                6
              ],
              [
                9,
                3
              ]
            ],
            "2": [
              [
                2,
                4
              ],
              [
                4,
                5
              ],
              [
                5,
                4
              ],
              [
                6,
                4
              ],
              [
                7,
                3
              ],
              [
                7,
                4
              ],
              [
                7,
                6
              ],
              [
                9,
                3
              ]
            ],
            "3": [
              [
                2,
                4
              ],
              [
                4,
                5
              ],
              [
                5,
                4
              ],
              [
                6,
                4
              ],
              [
                7,
                3
              ],
              [
                7,
                4
              ],
              [
                7,
                6
              ],
              [
                9,
                3
              ]
            ],
            "4": [
              [
                2,
                4
              ],
              [
                4,
                5
              ],
              [
                5,
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              ],
              [
                6,
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              ],
              [
                7,
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              ],
              [
                7,
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              ],
              [
                7,
                6
              ],
              [
                9,
                3
              ]
            ],
            "5": [
              [
                2,
                4
              ],
              [
                4,
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              ],
              [
                5,
                4
              ],
              [
                6,
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              ],
              [
                7,
                3
              ],
              [
                7,
                4
              ],
              [
                7,
                6
              ],
              [
                9,
                3
              ]
            ],
            "6": [
              [
                2,
                4
              ],
              [
                4,
                5
              ],
              [
                5,
                4
              ],
              [
                6,
                4
              ],
              [
                7,
                3
              ],
              [
                7,
                4
              ],
              [
                7,
                6
              ],
              [
                9,
                3
              ]
            ]
          },
          "direction_vector_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                4,
                3
              ],
              "dx": -1,
              "dy": 3,
              "length_l1": 4
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                3
              ],
              "dx": -1,
              "dy": 6,
              "length_l1": 7
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                3,
                5
              ],
              "dx": 1,
              "dy": 2,
              "length_l1": 3
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
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              ],
              "dx": 0,
              "dy": 2,
              "length_l1": 2
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
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              ],
              "look_at_unit": 6,
              "look_at_cell": [
                4,
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              ],
              "dx": 0,
              "dy": 3,
              "length_l1": 3
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                4,
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              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 1,
              "dy": -3,
              "length_l1": 4
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                4,
                3
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
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              ],
              "dx": 0,
              "dy": 3,
              "length_l1": 3
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                4,
                3
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                3,
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              ],
              "dx": 2,
              "dy": -1,
              "length_l1": 3
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                4,
                3
              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
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              ],
              "dx": 1,
              "dy": -1,
              "length_l1": 2
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                4,
                3
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                4,
                4
              ],
              "dx": 1,
              "dy": 0,
              "length_l1": 1
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 1,
              "dy": -6,
              "length_l1": 7
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                3
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                4,
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              ],
              "dx": 0,
              "dy": -3,
              "length_l1": 3
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
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              ],
              "look_at_unit": 4,
              "look_at_cell": [
                3,
                5
              ],
              "dx": 2,
              "dy": -4,
              "length_l1": 6
            },
            {
              "camera_unit": 3,
              "camera_cell": [
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              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
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              ],
              "dx": 1,
              "dy": -4,
              "length_l1": 5
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
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              ],
              "look_at_unit": 6,
              "look_at_cell": [
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              ],
              "dx": 1,
              "dy": -3,
              "length_l1": 4
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                3,
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              ],
              "look_at_unit": 1,
              "look_at_cell": [
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              ],
              "dx": -1,
              "dy": -2,
              "length_l1": 3
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                3,
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              ],
              "look_at_unit": 2,
              "look_at_cell": [
                4,
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              ],
              "dx": -2,
              "dy": 1,
              "length_l1": 3
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                3,
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              ],
              "look_at_unit": 3,
              "look_at_cell": [
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              ],
              "dx": -2,
              "dy": 4,
              "length_l1": 6
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                3,
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              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
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              ],
              "dx": -1,
              "dy": 0,
              "length_l1": 1
            },
            {
              "camera_unit": 4,
              "camera_cell": [
                3,
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              ],
              "look_at_unit": 6,
              "look_at_cell": [
                4,
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              ],
              "dx": -1,
              "dy": 1,
              "length_l1": 2
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                3,
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              ],
              "look_at_unit": 1,
              "look_at_cell": [
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              ],
              "dx": 0,
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              "length_l1": 2
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                3,
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              ],
              "look_at_unit": 2,
              "look_at_cell": [
                4,
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              ],
              "dx": -1,
              "dy": 1,
              "length_l1": 2
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                3,
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              ],
              "look_at_unit": 3,
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              ],
              "dx": -1,
              "dy": 4,
              "length_l1": 5
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                3,
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              ],
              "look_at_unit": 4,
              "look_at_cell": [
                3,
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              ],
              "dx": 1,
              "dy": 0,
              "length_l1": 1
            },
            {
              "camera_unit": 5,
              "camera_cell": [
                3,
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              "look_at_unit": 6,
              "look_at_cell": [
                4,
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              ],
              "dx": 0,
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              "length_l1": 1
            },
            {
              "camera_unit": 6,
              "camera_cell": [
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            },
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              "look_at_unit": 3,
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            },
            {
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              ],
              "dx": 1,
              "dy": -1,
              "length_l1": 2
            },
            {
              "camera_unit": 6,
              "camera_cell": [
                4,
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              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
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              ],
              "dx": 0,
              "dy": -1,
              "length_l1": 1
            }
          ],
          "view_cone_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                4,
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              ],
              "dx": -1,
              "dy": 3,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
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              ],
              "dx": -1,
              "dy": 3,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
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              ],
              "look_at_unit": 2,
              "look_at_cell": [
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              ],
              "dx": -1,
              "dy": 3,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
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              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
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              ],
              "dx": -1,
              "dy": 6,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
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              ],
              "look_at_unit": 3,
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              "dx": -1,
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              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
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              ],
              "look_at_unit": 3,
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              "dx": -1,
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              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
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              ],
              "look_at_unit": 4,
              "look_at_cell": [
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              ],
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              "lens_enum": "wide",
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            },
            {
              "camera_unit": 1,
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              ],
              "look_at_unit": 4,
              "look_at_cell": [
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              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 4,
              "look_at_cell": [
                3,
                5
              ],
              "dx": 1,
              "dy": 2,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
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              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
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              ],
              "dx": 0,
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              "lens_enum": "wide",
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            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
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              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
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              ],
              "dx": 0,
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              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
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              ],
              "look_at_unit": 5,
              "look_at_cell": [
                3,
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              ],
              "dx": 0,
              "dy": 2,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
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              ],
              "look_at_unit": 6,
              "look_at_cell": [
                4,
                4
              ],
              "dx": 0,
              "dy": 3,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 6,
              "look_at_cell": [
                4,
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              ],
              "dx": 0,
              "dy": 3,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
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              ],
              "look_at_unit": 6,
              "look_at_cell": [
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              ],
              "dx": 0,
              "dy": 3,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                4,
                3
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
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              ],
              "dx": 1,
              "dy": -3,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                4,
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              ],
              "look_at_unit": 1,
              "look_at_cell": [
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              "dx": 1,
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              "fov_deg": 50
            },
            {
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                4,
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              ],
              "look_at_unit": 1,
              "look_at_cell": [
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              ],
              "dx": 1,
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              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                4,
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              ],
              "look_at_unit": 3,
              "look_at_cell": [
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              4,
              5,
              6
            ],
            "2": [
              1,
              3,
              4,
              5,
              6
            ],
            "3": [
              1,
              2,
              4,
              5,
              6
            ],
            "4": [
              1,
              2,
              3,
              5,
              6
            ],
            "5": [
              1,
              2,
              3,
              4,
              6
            ],
            "6": [
              1,
              2,
              3,
              4,
              5
            ]
          },
          "visible_openings_candidates": {
            "1": [
              7,
              9,
              10,
              11
            ],
            "2": [
              7,
              9,
              10,
              11
            ],
            "3": [
              7,
              9,
              10,
              11
            ],
            "4": [
              7,
              9,
              10,
              11
            ],
            "5": [
              7,
              9,
              10,
              11
            ],
            "6": [
              7,
              9,
              10,
              11
            ]
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [
            "observed_marker #12 shares 10x10 cell (7,3) with marker #3 (W20E6-A: surfaced as diagnostic, not a hard failure)"
          ],
          "diagnostics": [
            "observed_marker #12 shares 10x10 cell (7,3) with marker #3 (W20E6-A: surfaced as diagnostic, not a hard failure)"
          ]
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_fishing_boat_deck.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      },
      "fp_wheelhouse_interior": {
        "fp_id": "fp_wheelhouse_interior",
        "readback_status": "ok",
        "readback": {
          "status": "ok",
          "fp_id": "fp_wheelhouse_interior",
          "grid_size": [
            10,
            10
          ],
          "observed_markers": [
            {
              "number": 1,
              "row": 1,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 2,
              "row": 5,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 3,
              "row": 7,
              "col": 4,
              "kind": "base_structural_unit"
            },
            {
              "number": 4,
              "row": 7,
              "col": 4,
              "kind": "base_opening"
            },
            {
              "number": 5,
              "row": 0,
              "col": 4,
              "kind": "base_opening"
            },
            {
              "number": 6,
              "row": 3,
              "col": 2,
              "kind": "base_opening"
            },
            {
              "number": 7,
              "row": 3,
              "col": 7,
              "kind": "base_opening"
            },
            {
              "number": 8,
              "row": 2,
              "col": 6,
              "kind": "base_persistent_fixture"
            },
            {
              "number": 9,
              "row": 3,
              "col": 4,
              "kind": "base_persistent_furniture"
            },
            {
              "number": 10,
              "row": 6,
              "col": 2,
              "kind": "base_structural_unit"
            },
            {
              "number": 11,
              "row": 6,
              "col": 7,
              "kind": "base_structural_unit"
            }
          ],
          "missing_markers": [],
          "extra_markers": [],
          "confidence": 0.99,
          "diagnostics": [
            "observed_markers[3] cell (7,4) shares a 10x10 cell with marker #3 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)"
          ],
          "cell_collision_diagnostics": [
            "observed_markers[3] cell (7,4) shares a 10x10 cell with marker #3 (W20E6-A: surfaced as diagnostic, not a hard blocker -- distinct marker numbers may genuinely occupy the same coarse cell)"
          ],
          "provider_name": "litellm_gpt55_vision_v1"
        },
        "geometry": {
          "fp_id": "fp_wheelhouse_interior",
          "grid_size": [
            10,
            10
          ],
          "readback_status": "ok",
          "marker_cells": {
            "1": [
              1,
              4
            ],
            "2": [
              5,
              4
            ],
            "3": [
              7,
              4
            ],
            "4": [
              7,
              4
            ],
            "5": [
              0,
              4
            ],
            "6": [
              3,
              2
            ],
            "7": [
              3,
              7
            ],
            "8": [
              2,
              6
            ],
            "9": [
              3,
              4
            ],
            "10": [
              6,
              2
            ],
            "11": [
              6,
              7
            ]
          },
          "unit_marker_cells": {
            "1": [
              1,
              4
            ],
            "2": [
              5,
              4
            ],
            "3": [
              7,
              4
            ],
            "10": [
              6,
              2
            ],
            "11": [
              6,
              7
            ]
          },
          "opening_marker_cells": {
            "4": [
              7,
              4
            ],
            "5": [
              0,
              4
            ],
            "6": [
              3,
              2
            ],
            "7": [
              3,
              7
            ]
          },
          "fixture_marker_cells": {
            "8": [
              2,
              6
            ]
          },
          "furniture_marker_cells": {
            "9": [
              3,
              4
            ]
          },
          "camera_cell_candidates_per_unit": {
            "1": [
              [
                1,
                4
              ]
            ],
            "2": [
              [
                5,
                4
              ]
            ],
            "3": [
              [
                7,
                4
              ]
            ],
            "10": [
              [
                6,
                2
              ]
            ],
            "11": [
              [
                6,
                7
              ]
            ]
          },
          "look_at_cell_candidates_per_unit": {
            "1": [
              [
                0,
                4
              ],
              [
                2,
                6
              ],
              [
                3,
                2
              ],
              [
                3,
                4
              ],
              [
                3,
                7
              ],
              [
                7,
                4
              ]
            ],
            "2": [
              [
                0,
                4
              ],
              [
                2,
                6
              ],
              [
                3,
                2
              ],
              [
                3,
                4
              ],
              [
                3,
                7
              ],
              [
                7,
                4
              ]
            ],
            "3": [
              [
                0,
                4
              ],
              [
                2,
                6
              ],
              [
                3,
                2
              ],
              [
                3,
                4
              ],
              [
                3,
                7
              ],
              [
                7,
                4
              ]
            ],
            "10": [
              [
                0,
                4
              ],
              [
                2,
                6
              ],
              [
                3,
                2
              ],
              [
                3,
                4
              ],
              [
                3,
                7
              ],
              [
                7,
                4
              ]
            ],
            "11": [
              [
                0,
                4
              ],
              [
                2,
                6
              ],
              [
                3,
                2
              ],
              [
                3,
                4
              ],
              [
                3,
                7
              ],
              [
                7,
                4
              ]
            ]
          },
          "direction_vector_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": 0,
              "dy": 4,
              "length_l1": 4
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": 0,
              "dy": 6,
              "length_l1": 6
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -2,
              "dy": 5,
              "length_l1": 7
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 5,
              "length_l1": 8
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 0,
              "dy": -4,
              "length_l1": 4
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": 0,
              "dy": 2,
              "length_l1": 2
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -2,
              "dy": 1,
              "length_l1": 3
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 1,
              "length_l1": 4
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 0,
              "dy": -6,
              "length_l1": 6
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": 0,
              "dy": -2,
              "length_l1": 2
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                4
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -2,
              "dy": -1,
              "length_l1": 3
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                4
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": -1,
              "length_l1": 4
            },
            {
              "camera_unit": 10,
              "camera_cell": [
                6,
                2
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 2,
              "dy": -5,
              "length_l1": 7
            },
            {
              "camera_unit": 10,
              "camera_cell": [
                6,
                2
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": 2,
              "dy": -1,
              "length_l1": 3
            },
            {
              "camera_unit": 10,
              "camera_cell": [
                6,
                2
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": 2,
              "dy": 1,
              "length_l1": 3
            },
            {
              "camera_unit": 10,
              "camera_cell": [
                6,
                2
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 5,
              "dy": 0,
              "length_l1": 5
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": -3,
              "dy": -5,
              "length_l1": 8
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": -3,
              "dy": -1,
              "length_l1": 4
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": -3,
              "dy": 1,
              "length_l1": 4
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -5,
              "dy": 0,
              "length_l1": 5
            }
          ],
          "view_cone_records": [
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": 0,
              "dy": 4,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": 0,
              "dy": 4,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": 0,
              "dy": 4,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": 0,
              "dy": 6,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": 0,
              "dy": 6,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": 0,
              "dy": 6,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -2,
              "dy": 5,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -2,
              "dy": 5,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -2,
              "dy": 5,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 5,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 5,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 1,
              "camera_cell": [
                1,
                4
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 5,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 0,
              "dy": -4,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 0,
              "dy": -4,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 0,
              "dy": -4,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": 0,
              "dy": 2,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": 0,
              "dy": 2,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": 0,
              "dy": 2,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -2,
              "dy": 1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -2,
              "dy": 1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -2,
              "dy": 1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 2,
              "camera_cell": [
                5,
                4
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
                7
              ],
              "dx": 3,
              "dy": 1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 0,
              "dy": -6,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 0,
              "dy": -6,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                4
              ],
              "look_at_unit": 1,
              "look_at_cell": [
                1,
                4
              ],
              "dx": 0,
              "dy": -6,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": 0,
              "dy": -2,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 3,
              "camera_cell": [
                7,
                4
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": 0,
              "dy": -2,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
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            {
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                6,
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              "look_at_unit": 1,
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            },
            {
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                6,
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              "look_at_unit": 11,
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              "dx": 5,
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            {
              "camera_unit": 10,
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                6,
                2
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
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              ],
              "dx": 5,
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              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 10,
              "camera_cell": [
                6,
                2
              ],
              "look_at_unit": 11,
              "look_at_cell": [
                6,
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              ],
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              "lens_enum": "telephoto",
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            },
            {
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                6,
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              ],
              "look_at_unit": 1,
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                1,
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            },
            {
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                6,
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              ],
              "look_at_unit": 1,
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                1,
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            },
            {
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                6,
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            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": -3,
              "dy": -1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": -3,
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              "fov_deg": 50
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 2,
              "look_at_cell": [
                5,
                4
              ],
              "dx": -3,
              "dy": -1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": -3,
              "dy": 1,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": -3,
              "dy": 1,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 3,
              "look_at_cell": [
                7,
                4
              ],
              "dx": -3,
              "dy": 1,
              "lens_enum": "telephoto",
              "fov_deg": 25
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -5,
              "dy": 0,
              "lens_enum": "wide",
              "fov_deg": 90
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -5,
              "dy": 0,
              "lens_enum": "normal",
              "fov_deg": 50
            },
            {
              "camera_unit": 11,
              "camera_cell": [
                6,
                7
              ],
              "look_at_unit": 10,
              "look_at_cell": [
                6,
                2
              ],
              "dx": -5,
              "dy": 0,
              "lens_enum": "telephoto",
              "fov_deg": 25
            }
          ],
          "visible_units_candidates": {
            "1": [
              2,
              3,
              10,
              11
            ],
            "2": [
              1,
              3,
              10,
              11
            ],
            "3": [
              1,
              2,
              10,
              11
            ],
            "10": [
              1,
              2,
              3,
              11
            ],
            "11": [
              1,
              2,
              3,
              10
            ]
          },
          "visible_openings_candidates": {
            "1": [
              4,
              5,
              6,
              7
            ],
            "2": [
              4,
              5,
              6,
              7
            ],
            "3": [
              4,
              5,
              6,
              7
            ],
            "10": [
              4,
              5,
              6,
              7
            ],
            "11": [
              4,
              5,
              6,
              7
            ]
          },
          "wall_door_invalidation_diagnostics": [
            "readback does not encode wall segment polylines; wall/door line-of-sight invalidation cannot be performed at this layer.",
            "opening-to-unit adjacency cannot be derived from cell positions alone; consumer must treat visible_units_candidates and visible_openings_candidates as supersets, not committed sets."
          ],
          "cell_collision_diagnostics": [
            "observed_marker #4 shares 10x10 cell (7,4) with marker #3 (W20E6-A: surfaced as diagnostic, not a hard failure)"
          ],
          "diagnostics": [
            "observed_marker #4 shares 10x10 cell (7,4) with marker #3 (W20E6-A: surfaced as diagnostic, not a hard failure)"
          ]
        },
        "review_html_relative_path": "floor_plan_geometry_readback/review_html/fp_wheelhouse_interior.html",
        "real_vlm_call": true,
        "real_vlm_call_count": 1
      }
    },
    "real_vlm_call_count": 10,
    "image_api_call_count": 0,
    "llm_call_count": 0
  },
  "step_id": "floor_plan_geometry_readback",
  "run_id": "d55af2b8-153e-40a2-9e95-1ff559a029c6",
  "resolved_model": "gpt",
  "updated_at": "2026-07-23T02:10:01.903212+00:00",
  "project_config_snapshot": {}
}