{"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-g1-q9qcv374","versions":[{"created_at":"2026-06-04T16:59:52Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.1->99.3)","saved_by":"editor","sha256":"486bfba1657cf9b3cacceb6edbdaf549b9fcc8cfed0791812fdef24a3f62f638","version":5},{"created_at":"2026-06-04T05:53:44Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.1→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"46c62b362c32a5e93e092f4864b16957b4662b483990de3b582810b7ad3d6e9a","version":4},{"created_at":"2026-06-04T04:59:07Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.3→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"57e02d31b981a8456336c358dede204e1b8d21c34dadfa2fb79c45c88b68eb85","version":3},{"created_at":"2026-06-04T04:59:07Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4960a69f6e6b1b8f6eba9972b91ebbb6ebc5bceb575fa5944d12bef41790acb1","version":2}]}