{"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-g5-4zvbtq7r","versions":[{"created_at":"2026-06-04T05:51:28Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 98.3→95.1 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 95.1 (美 95 環 95 楽 91))","saved_by":"editor","sha256":"0b614e92a4392115d3435871dc8ded1c445dd7cc9fc25a29a0fb4605fece0f2d","version":4},{"created_at":"2026-06-04T04:54:26Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 66.3→98.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.3 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"c942a288399c57f129cf63481370dcf2e8ba02e81027e8e34b3cee6dcd1b2320","version":3},{"created_at":"2026-06-04T04:54:26Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c5256fe7e5ff5be139eaf4ef21ed7ee8738b0bd3f708c82da9e5011a78001ea5","version":2}]}