{"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-2-uoimo7sn","versions":[{"created_at":"2026-06-04T05:52:02Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 97.0→97.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"410ff9a69911cf3e73984d97ae0259999f5164485a0b9d6cf718f655e8302859","version":10},{"created_at":"2026-06-04T04:56:55Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 49.2→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 97.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ed3923e6c13a431860feb6b0c365120c82c23aaa645f34851b5acd08b7ee40c8","version":9},{"created_at":"2026-06-04T04:56:55Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"58ebbf4c28e3fd84c3bb4eb7ab66239fa1f9db018f9b9b2bbc801f2c33dfe165","version":8}]}