{"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-g4-xjcq4iyc","versions":[{"created_at":"2026-06-04T17:01:24Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.6->95.7)","saved_by":"editor","sha256":"df7f7111ed34502d4a590b6fe585b21ca5bc14294bc9167c04b16d362c3f1dcb","version":6},{"created_at":"2026-06-04T06:04:34Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 88.3→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"987bcc8570c7628db3783cb30ba4f1c7d48fb2dcea9d7d1b1133251b5856d323","version":5},{"created_at":"2026-06-04T05:56:09Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 90.6→88.3 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 88.3 (美 96 環 97 楽 91))","saved_by":"editor","sha256":"5d0c98f1ee095240f1a9b5198d302eccca9d04c6273940ab684e055df4982992","version":4},{"created_at":"2026-06-04T04:58:05Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 45.4→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"52638b3057f0fd2376f22c9490653c71a548d4a56c7856d05a67adc7b446d554","version":3},{"created_at":"2026-06-04T04:58:05Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"fc0d521de855594b8904a8249effab6bd723a132df7dc932e745b5ed017b4217","version":2}]}