{"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-g0-4zrgc22r","versions":[{"created_at":"2026-06-04T05:50:09Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e38f2dddf7d43cfaefce5ba3f4ae9d9c99cc541799d66ae3e300d94a89d05801","version":4},{"created_at":"2026-06-04T04:57:31Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.8→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f422496227e283fd87bb389224527b8925c4141a1a77363e5abd158fc6a0c758","version":3},{"created_at":"2026-06-04T04:57:31Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"34b8ed9784eaeb69f1fe470aab1a6eebd6b324538e1262491d91af5f571bd90e","version":2}]}