{"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-kaji-2pjk2i8a","versions":[{"created_at":"2026-06-04T17:01:13Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.5->99.6)","saved_by":"editor","sha256":"09f66395bb60485ef232452472cf67c95e190aef83f893ffbfc91b4af6a45c1c","version":11},{"created_at":"2026-06-04T05:53:31Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.5→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"2c96de895410fcddd89a96354b04d8e11613df456f0be98584dfa223d42e0ca1","version":10},{"created_at":"2026-06-04T04:55:20Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.1→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d70ed6317f963bccde5582d84fbdf61559f96c941cea4975731f7172fb73f1bd","version":9},{"created_at":"2026-06-04T04:55:20Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7946644d434fb7ae7894f6b90d04608a29f45db374f957b4504daa1795f4f8a3","version":8}]}