{"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-g5ldk-rh7fy5qb","versions":[{"created_at":"2026-06-04T17:01:24Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.6->95.7)","saved_by":"editor","sha256":"0d60c727d11e0b8dd2bc99c80d9e4a709b7c9355705cce5690a49e74654086f4","version":6},{"created_at":"2026-06-04T06:04:38Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 86.2→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"8020cab385e02c0819b5813f205a03f8e08ca372cf0bcfe3113ca7868fc38aae","version":5},{"created_at":"2026-06-04T05:56:08Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 90.6→86.2 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 86.2 (美 92 環 97 楽 91))","saved_by":"editor","sha256":"6334070b0c80636ef63fcbef60e93b993ab57bc4e5632bf32de3e6fc8588087d","version":4},{"created_at":"2026-06-04T04:53:21Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 70.5→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"a743d35569b4f41cb954e3a08d43cae4bdb1b270d5bc27cdfe3dd9da561560a0","version":3},{"created_at":"2026-06-04T04:53:21Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0c003d413b3a9b2851ffedde538b34b35adad8758b87846512518e413591becb","version":2}]}