{"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-engawahousev3kennyre-its8t30v","versions":[{"created_at":"2026-06-04T05:51:58Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 97.3→97.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"eb5363cd0d9f494117989d29cc6c7db3251c0e32aa0ecde051b3a5a37c5a472c","version":4},{"created_at":"2026-06-04T04:59:45Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 7.8→97.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"b5b6424868f024c46d231114b7c6af9a3b87e8490628e95823a22eb964ab3118","version":3},{"created_at":"2026-06-04T04:59:45Z","element_count":34,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"69a563667f99cc0c84d1951dedc2cb61ccdf4e70856f0c7e8f6781482943b268","version":2}]}