[
  {
    "id": "takashima_main_harbor_marks",
    "label": "高岛主港航标区",
    "notes": "主港口灯塔、红绿标识、近岸障碍标记。",
    "pane_box_norm": [0.34, 0.05, 0.57, 0.25],
    "backend_focus": [
      "p航路標識群",
      "safety_icon_missing",
      "text_missing_in_engineering"
    ]
  },
  {
    "id": "takashima_inner_nearshore_hazards",
    "label": "高岛近岸碍航与鱼礁区",
    "notes": "近岸鱼礁、碍航点、灯塔与小灯混合区。",
    "pane_box_norm": [0.44, 0.14, 0.62, 0.31],
    "backend_focus": [
      "p投錨注意障害物",
      "p航行危険障害物",
      "p航路標識群"
    ]
  },
  {
    "id": "east_breakwater_marks",
    "label": "东侧防波堤灯台区",
    "notes": "右上沿岸的防波堤灯台与港口标记。",
    "pane_box_norm": [0.83, 0.0, 1.0, 0.16],
    "backend_focus": [
      "p航路標識群",
      "safety_icon_missing"
    ]
  },
  {
    "id": "southwest_lighthouse_cluster",
    "label": "西南灯塔区",
    "notes": "左下角远处灯塔与标记点，用来校验远处 symbol 表现。",
    "pane_box_norm": [0.0, 0.70, 0.14, 1.0],
    "backend_focus": [
      "p航路標識群",
      "p陸上構造物"
    ]
  }
]