{"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-vz7n6rma","versions":[{"created_at":"2026-06-04T05:50:46Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"bdb61800d7c1dc9b23e8aee52e13316c714ecdb8d86de7cb8cd7167b829e3e54","version":10},{"created_at":"2026-06-04T04:58:30Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 43.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6e8d946c3e0bc7e12cb5306005ca77ddb8bd4b8b5cff0c9913afae4d08724d4c","version":9},{"created_at":"2026-06-04T04:58:30Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1b72dad316ee48823d21b52289e0b1c0fbc4ff18bffaebbf37037e49f0ebabeb","version":8}]}