{"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-cinema-a1hl6pjn","versions":[{"created_at":"2026-06-04T05:49:56Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.6→99.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b4a239fd7e45650825319c38a248e7cc35e2d00ee6e24ea6677f8129b1bc50af","version":10},{"created_at":"2026-06-04T04:58:26Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 43.9→99.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b124ec4c725154d555b6f344111c71d8b1cdf6faaa0a9635eece22bc03aeab77","version":9},{"created_at":"2026-06-04T04:58:26Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ea96953c0566c623428ad08e0c31f54cdb8f3b5c4b7139fb1bdd1f21cd246907","version":8}]}