{
  "project_id": "76212b49-bf96-45fb-8c56-cd8d8ae02dda",
  "episode_id": "f44339e6-1bd1-4d10-8a8f-2e30e5a1d36d",
  "label": "C10 Phase 1 fresh full E2E",
  "total_locations": 19,
  "total_chain_bg_assets": 26,
  "total_floor_plan_assets": 12,
  "over_split_groups": [
    {
      "base_location_id": "L03",
      "name": "다세대 빌라 옥탑방 외부 옥상·현관 앞",
      "variant_count": 3,
      "variants": [
        "L03B02",
        "L03B03",
        "L03B01"
      ]
    },
    {
      "base_location_id": "L04",
      "name": "옥탑방 내부",
      "variant_count": 9,
      "variants": [
        "L04B06",
        "L04B05",
        "L04B07",
        "L04B09",
        "L04B08",
        "L04B03",
        "L04B04",
        "L04B02",
        "L04B01"
      ]
    }
  ],
  "unused_locations": [
    {
      "short_id": "L01",
      "name": "숲속 범죄 현장"
    },
    {
      "short_id": "L02",
      "name": "도시 뒷골목 범죄 현장"
    },
    {
      "short_id": "L05",
      "name": "해안가 도로"
    },
    {
      "short_id": "L11",
      "name": "옥탑방 건물 주변 골목·담장"
    },
    {
      "short_id": "L12",
      "name": "해안가 버스정류장"
    },
    {
      "short_id": "L16",
      "name": "PC방"
    },
    {
      "short_id": "L17",
      "name": "포구·갯바위"
    }
  ],
  "raw_locations": [
    {
      "short_id": "L01",
      "name": "숲속 범죄 현장",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 0,
      "chain_bg_variants": [],
      "floor_plan_count": 0,
      "floor_plan_variants": []
    },
    {
      "short_id": "L02",
      "name": "도시 뒷골목 범죄 현장",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 0,
      "chain_bg_variants": [],
      "floor_plan_count": 0,
      "floor_plan_variants": []
    },
    {
      "short_id": "L03",
      "name": "다세대 빌라 옥탑방 외부 옥상·현관 앞",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 3,
      "chain_bg_variants": [
        "L03B02",
        "L03B03",
        "L03B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_rooftop_exterior"
      ]
    },
    {
      "short_id": "L04",
      "name": "옥탑방 내부",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 9,
      "chain_bg_variants": [
        "L04B06",
        "L04B05",
        "L04B07",
        "L04B09",
        "L04B08",
        "L04B03",
        "L04B04",
        "L04B02",
        "L04B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_rooftop_interior"
      ]
    },
    {
      "short_id": "L05",
      "name": "해안가 도로",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 0,
      "chain_bg_variants": [],
      "floor_plan_count": 0,
      "floor_plan_variants": []
    },
    {
      "short_id": "L06",
      "name": "유기견 보호원",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 1,
      "chain_bg_variants": [
        "L06B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_shelter_main"
      ]
    },
    {
      "short_id": "L08",
      "name": "대형 마트 매장 내부",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 2,
      "chain_bg_variants": [
        "L08B01",
        "L08B02"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_large_mart_main"
      ]
    },
    {
      "short_id": "L09",
      "name": "대형 마트 외부·앞",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 1,
      "chain_bg_variants": [
        "L09B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_mart_exterior_front"
      ]
    },
    {
      "short_id": "L10",
      "name": "옥탑방 건물 외부 계단",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 1,
      "chain_bg_variants": [
        "L10B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_exterior_stairs"
      ]
    },
    {
      "short_id": "L11",
      "name": "옥탑방 건물 주변 골목·담장",
      "space_profile": {
        "kind": "multi_space",
        "allowed_space_keys": [
          "main",
          "exterior",
          "yard"
        ],
        "default_space_key": "main"
      },
      "chain_bg_count": 0,
      "chain_bg_variants": [],
      "floor_plan_count": 0,
      "floor_plan_variants": []
    },
    {
      "short_id": "L12",
      "name": "해안가 버스정류장",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 0,
      "chain_bg_variants": [],
      "floor_plan_count": 0,
      "floor_plan_variants": []
    },
    {
      "short_id": "L13",
      "name": "경찰서 사무실 내부",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 2,
      "chain_bg_variants": [
        "L13B02",
        "L13B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_police_office_main"
      ]
    },
    {
      "short_id": "L14",
      "name": "경찰서 외부",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 1,
      "chain_bg_variants": [
        "L14B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_police_exterior_main"
      ]
    },
    {
      "short_id": "L15",
      "name": "마트 총무과·CCTV실",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 1,
      "chain_bg_variants": [
        "L15B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_mart_admin_cctv_room"
      ]
    },
    {
      "short_id": "L16",
      "name": "PC방",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 0,
      "chain_bg_variants": [],
      "floor_plan_count": 0,
      "floor_plan_variants": []
    },
    {
      "short_id": "L17",
      "name": "포구·갯바위",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 0,
      "chain_bg_variants": [],
      "floor_plan_count": 0,
      "floor_plan_variants": []
    },
    {
      "short_id": "L18",
      "name": "바다 위 어선 갑판",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 2,
      "chain_bg_variants": [
        "L18B02",
        "L18B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_fishing_boat_deck"
      ]
    },
    {
      "short_id": "L19",
      "name": "어선 조타실 내부",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 2,
      "chain_bg_variants": [
        "L19B02",
        "L19B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_wheelhouse_interior"
      ]
    },
    {
      "short_id": "L20",
      "name": "바다·안개 해역과 어선 외관",
      "space_profile": {
        "kind": "single_space",
        "allowed_space_keys": [
          "main"
        ],
        "default_space_key": null
      },
      "chain_bg_count": 1,
      "chain_bg_variants": [
        "L20B01"
      ],
      "floor_plan_count": 1,
      "floor_plan_variants": [
        "fp_fog_sea_exterior"
      ]
    }
  ],
  "note_isolated_variants": "DB schema has no parent_location_id / chain key on chain_bg assets — chain_bg variants are always linked to a single LXX location entity via image_asset.entity_id (UUID). 'Over-split' here means many chain_bg image variants per LXX location (Cat A symptom). There is NO LXXBYY level entity_canon row — the BXX suffix exists only in file_path. Therefore 'isolated_variants' (Cat B as originally defined) does not apply structurally; Cat B must be reframed as 'multiple chain_bg variants of the same LXX never used together' (see TSV mismatch_flag_candidates for MULTI_BG / OVER_SPLIT_HOST)."
}