{
  "base_prompt": "Architectural floor plan, top-down orthographic view, black-and-white technical drawing of a small Korean rooftop room apartment (옥탑방), approximately 10-12 pyeong only, compact and modest, not oversized. Interior base plan only, no rooftop exterior, no stairs, no ground level, no outside context. Show clear room layout with thick black solid walls, door swing arcs, windows as double parallel lines, simple furniture outlines, bilingual English-Korean labels.\n\nRequired compact layout: Entry · 현관 leading directly into a combined Living-Kitchen · 거실·주방. In this main room place only the specified props: a small dining table labeled Dining Table · 식탁 with 2 cups on top, one cup overturned, and 2 chairs; a kitchen counter with Sink · 싱크 and Stove · 스토브, with a Pot · 냄비 on the stove; a TV · TV on a low stand; a Floor Stand · 스탠드; optional simple Sofa · 소파. Include one small window in the living-kitchen.\n\nFrom the living-kitchen, two separate small bedrooms accessed by doors: Minsook Room · 민숙 방, a small bedroom containing only one bed; Suriyoung Room · 수리영 방, a small bedroom containing only one bed. Inside Suriyoung Room, behind the bed area, include a very important small alcove partitioned by a fabric curtain, labeled Curtain Alcove · 커튼 알코브, clearly shown as a curtained sub-space within the room for corpse discovery location. Also place Backpack · 백팩 and Doll · 인형 on the floor of Suriyoung Room. Optional very narrow Bathroom · 화장실 may be included if it fits the compact plan.\n\nDo not add any unmentioned objects or speculative furniture. Keep the apartment realistically cramped, old Korean residential proportions, 생활감 있는 but minimal in plan. Empty of characters. Technical drafting presentation, monochrome blueprint-like floor plan, clean linework, room names and furniture labels in English and Korean. Add compass with N and a scale bar 0-5m at bottom right."
}