{"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-giz7wsov","versions":[{"created_at":"2026-06-04T06:04:25Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 89.4→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":"0223148ab86d2797adab4995ab92f233231d8c18c6e385f306a0582525459593","version":11},{"created_at":"2026-06-04T05:50:20Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 99.5→89.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 89.4 (美 95 環 98 楽 91))","saved_by":"editor","sha256":"145dfd0ebb3a3694b39fb16711739f6fcc23efa8ef7876ac0b07c708e995cc23","version":10},{"created_at":"2026-06-04T04:56:11Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 57.0→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":"b64523acb28bab9db347e56049862287986670fee4516461c0e8f18e840406f2","version":9},{"created_at":"2026-06-04T04:56:11Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d9c3674d1e04fd8952d876dfea3ed8adc18a4ac6f7538667c9d2aaf929d78ea9","version":8}]}