{"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-doyq1jpj","versions":[{"created_at":"2026-06-04T17:01:38Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.6->98.5)","saved_by":"editor","sha256":"657c066fe5646ee9f242e28304576330c3e21f911b3d892bd770cd14368018f5","version":11},{"created_at":"2026-06-04T05:55:39Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 92.6→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6419207555132d87f97f42760843761f795443a267a83f2fb835b6e19fce77a7","version":10},{"created_at":"2026-06-04T04:57:11Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 48.0→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"2c7421ea517562c9537ed616aef7b70e78ba926c1d103fd65090fe8552472bce","version":9},{"created_at":"2026-06-04T04:57:11Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"bd6460a08438f30bb0d1e317f8a7b229570d1878df9e5a9aa6feb6c3baee074b","version":8}]}