{"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-house-7z8v58zy","versions":[{"created_at":"2026-06-04T05:49:33Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 100.0→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"94923da94d2c9d7243eeabf4bb1f7eb21dc57eafb07b996a757e18bea24c3979","version":10},{"created_at":"2026-06-04T04:53:25Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 70.3→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"5ea8355a14570c2028e5383d1eaffc8775a2c42fbd0893c5c78856d4ca4d9f0e","version":9},{"created_at":"2026-06-04T04:53:25Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e85ba9d37661cd1428460cefe920f5f915470f35188259c6c818822d6ea43d4c","version":8}]}