{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-house-gy14tbx5","versions":[{"created_at":"2026-06-04T17:00:59Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.5->98.6)","saved_by":"editor","sha256":"448604dfcfaaae405da0e185f23884badf5d7f49e0dc168a093991f27299601b","version":11},{"created_at":"2026-06-04T05:55:16Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"cc4b76bd6a71fde6f205a227d90322b1b945ea87f000c7985c12117fa0f163f6","version":10},{"created_at":"2026-06-04T04:54:50Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 65.0→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"eea8516dc598664e9d9ccfd6b6799a84d99d4d16c46027140433ce41d4beab04","version":9},{"created_at":"2026-06-04T04:54:50Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"cf5f050fe7350989c66edc49be94480270b5999f70061fb891a12c81b2a3506f","version":8}]}