{"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-bg7pan1i","versions":[{"created_at":"2026-06-04T17:00:28Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"b61e311cb7f5d7c8e4474298d84d746b37b46a22f14d165b83d70e63dc35f828","version":5},{"created_at":"2026-06-04T05:52:33Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"cf6e0826d2c1b4772abef942c6d4fcdc7307cd96d99145b0f15a86a9fbae00c3","version":4},{"created_at":"2026-06-04T04:59:13Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 37.9→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c384e013f9b9c167c30fba119c21d072f1bc11057f71fc715ca6f4dc0bde258b","version":3},{"created_at":"2026-06-04T04:59:13Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1787dd07505e524c5d1c0ececfd284ff7ded5b32ef2cb046a0d889bb0f324a39","version":2}]}