{
 "numbered_structure_en": [
  "LEVELS (placement logic only): ground -> villa mass, 3 storeys roof terrace -> rooftop room and rooftop fixtures",
  "Context: public road edge and neighbouring building masses border the alley, rear, and side.",
  "1 narrow alley, ground approach from the public road edge to the entry gate, facing the yard sequence.",
  "2 entry gate, boundary opening between the narrow alley and the entry yard.",
  "3 entry yard, ground yard inside the gate before the villa, with a rear part connecting to the exterior stair route.",
  "4 villa mass, 3-storey building mass behind the entry yard, hosting the roof terrace and the exterior stair on its outside wall.",
  "5 facade windows, exterior window bays in the villa wall facing the entry yard, four repeated bays per storey.",
  "6 roof terrace, exterior rooftop surface on the villa mass around the rooftop room, with the stair landing and rooftop fixtures on it.",
  "7 low wall, low climbable boundary on the roof terrace edge around the rooftop room area, in the sightline toward a rooftop-room window.",
  "8 rooftop room, small enclosed volume on the roof terrace, with its front side facing the stair landing.",
  "9 added-on exterior stair, separate later stair attached to the villa outside wall, connecting the entry-yard level to the roof terrace landing in front of the rooftop room.",
  "10 iron door, exterior entrance threshold in the rooftop room front wall, facing the roof terrace landing and opening into the rooftop room.",
  "11 living window, small exterior window in a side wall of the rooftop room, facing the roof terrace and low-wall area.",
  "12 bedroom window, exterior window in another outer wall of the rooftop room.",
  "13 water tank, round utility fixture on the roof terrace near the rooftop room.",
  "14 laundry line, thin exterior line on the roof terrace between the water tank and the rooftop room.",
  "15 low platform, low fixture on the roof terrace near the approach to the iron door."
 ],
 "legend": [
  {
   "name_en": "narrow alley",
   "num": 1,
   "desc_ko": "왼쪽에는 도로에서 빌라 입구까지 이어지는 좁은 세로 골목이 있다."
  },
  {
   "name_en": "entry gate",
   "num": 2,
   "desc_ko": "골목과 앞마당 사이에는 단일 빌라 입구 게이트가 있다."
  },
  {
   "name_en": "entry yard",
   "num": 3,
   "desc_ko": "빌라 앞에는 골목과 계단 사이에 작은 마당이 있다."
  },
  {
   "name_en": "villa mass",
   "num": 4,
   "desc_ko": "중앙에는 옥탑방을 올린 낡은 다세대 빌라 매스가 있다."
  },
  {
   "name_en": "facade windows",
   "num": 5,
   "desc_ko": "본관 앞마당 쪽 벽에는 전면 창 네 칸이 반복되어 있다."
  },
  {
   "name_en": "roof terrace",
   "num": 6,
   "desc_ko": "본관 지붕 위에는 옥탑방과 물탱크가 놓인 시멘트 바닥의 옥상 테라스가 있다."
  },
  {
   "name_en": "low wall",
   "num": 7,
   "desc_ko": "옥상 테라스 가장자리에는 낮은 콘크리트 담이 둘러져 있다."
  },
  {
   "name_en": "rooftop room",
   "num": 8,
   "desc_ko": "옥상 중앙에는 작은 옥탑 주거 공간의 외곽 매스가 놓여 있다."
  },
  {
   "name_en": "added-on exterior stair",
   "num": 9,
   "desc_ko": "(LLM 최소 보완 요소)"
  },
  {
   "name_en": "iron door",
   "num": 10,
   "desc_ko": "옥탑방 아래쪽 가장자리에는 계단 상부 랜딩을 향한 철문 현관이 있다."
  },
  {
   "name_en": "living window",
   "num": 11,
   "desc_ko": "옥탑방 오른쪽 외벽에는 작은 거실 창이 있다."
  },
  {
   "name_en": "bedroom window",
   "num": 12,
   "desc_ko": "옥탑방 위쪽 외벽에는 커튼이 달린 침실 창이 있다."
  },
  {
   "name_en": "water tank",
   "num": 13,
   "desc_ko": "옥상 왼쪽 뒤편에는 원형 물탱크가 놓여 있다."
  },
  {
   "name_en": "laundry line",
   "num": 14,
   "desc_ko": "물탱크와 옥탑방 사이에는 얇은 빨랫줄이 가로질러 걸려 있다."
  },
  {
   "name_en": "low platform",
   "num": 15,
   "desc_ko": "옥상 앞쪽에는 낮은 직사각형 평상이 놓여 있다."
  }
 ],
 "source": "minimal_struct"
}