{"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-0udap3id","versions":[{"created_at":"2026-06-04T17:01:37Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (93.5->93.6)","saved_by":"editor","sha256":"5d7b5409c6f09088c102c27d323ddcbe767e761e92c922b08b973318b2abf8a4","version":11},{"created_at":"2026-06-04T05:55:17Z","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":"feb3e7e1f32893c5942d1d402aab7e26aa3d66fba6997977db18e25275159fc4","version":10},{"created_at":"2026-06-04T04:57:01Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 48.7→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":"a44f39bb1c75eeb89bd4aa9928dca4ed7170e9d20851ec23a50c4d2611106e01","version":9},{"created_at":"2026-06-04T04:57:01Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"18d759ffbe20a138145d405e22069c74734eb9b1ec57b31efca682965444cb15","version":8}]}