{"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-g0-l7j3nlsx","versions":[{"created_at":"2026-06-04T17:00:29Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.9)","saved_by":"editor","sha256":"e199c6109d19d6c97e5a88967f6ec4e326bcc0d26a805f2859517f75533aa035","version":5},{"created_at":"2026-06-04T05:55:46Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 92.5→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"1c3350b161506b3effd2325386a8b247b21656d1e64c167c4547effcc9fc8d2e","version":4},{"created_at":"2026-06-04T04:58:51Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 39.0→92.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.5 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"0315a77f893db617e49a4fe9d92000418a5a966df53c4b30321611d8e7c407b7","version":3},{"created_at":"2026-06-04T04:58:51Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0134d6203b51f2a442132ea28c9f1dbe9e035f92847853c050363bb543feafe4","version":2}]}