{"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-gakki-x8odkpf5","versions":[{"created_at":"2026-06-04T17:00:37Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.5->98.3)","saved_by":"editor","sha256":"901bd3e745534ebf915c1b55b82792d22014557cffc425c2b3803117f9ae516d","version":12},{"created_at":"2026-06-04T07:22:27Z","element_count":70,"note":"GA polish 2026-06-04: 総合 92.3→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c57076f13b72979bfc4cd198ebbd11e36f9a16c7b37a6dc56432d59170773142","version":11},{"created_at":"2026-06-04T05:55:13Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 93.5→92.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.3 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"4cddd8b46a98a3e262fbcd33245fd2e01c24e8bc8bf5edfe722e6127cfb42445","version":10},{"created_at":"2026-06-04T04:55:05Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 63.3→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"1406c08ab043f241043876ddb10fc3ce2164fcd0cf997a56fd15bfd155ae1059","version":9},{"created_at":"2026-06-04T04:55:05Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"cd22489b796dfdb2c6ea220cc53da98443f4ec89d4f5e4df6c9a9d71e446da88","version":8}]}