{"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-2-90s29s3c","versions":[{"created_at":"2026-06-04T05:50:21Z","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":"1525918bdf8b789a255f3d917e138e3a9700e629b4512a605d96a27ac6f9143e","version":10},{"created_at":"2026-06-04T04:57:35Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.5→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":"e9c7827fcf34b8e362329d63b5c33be6399750f877103a0b949c913212869380","version":9},{"created_at":"2026-06-04T04:57:35Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"fed135de9740ddad2133302424dbee0e247caf97755831cfc4444e95860a2092","version":8}]}