{"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-xo481xza","versions":[{"created_at":"2026-06-04T06:04:20Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 89.6→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":"0f176aa5c8c0ba7834d8a1e8f8331eb1f3ff557e93c7c876d5501ec5a1cecc30","version":11},{"created_at":"2026-06-04T05:52:05Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 97.0→89.6 (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 89.6 (美 95 環 99 楽 91))","saved_by":"editor","sha256":"f6206c4921441108c978c0db2879851d2fe5dfa50cee850f976862137e4daaa7","version":10},{"created_at":"2026-06-04T04:54:03Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 67.7→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"fa02c65265c9d4070530bbb37f84c57bd9db271cd0c07e36610a8b419408bc39","version":9},{"created_at":"2026-06-04T04:54:03Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b9bbcc322624c5b06be2dcfa636510cb3cc76a9971627a6fd9b2192a67677129","version":8}]}