{"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-seijaku-36dy8e9z","versions":[{"created_at":"2026-06-04T05:50:44Z","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":"a7d7e48703319b31b8f90d1cddb5db6a43575eac33d49054c068487caf27e0de","version":10},{"created_at":"2026-06-04T04:56:23Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 56.0→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":"03b49216d29fa7739cae74ea832f97988999608af52c116288b9204e1c8f2fbf","version":9},{"created_at":"2026-06-04T04:56:23Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6e334a0ce176a8e533bf4b8a16ac36d440a3464154bdb0afb0a8d8832adf60aa","version":8}]}