{"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-lljwg3es","versions":[{"created_at":"2026-06-04T16:59:29Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (96.1->96.8)","saved_by":"editor","sha256":"b1918f2ba512047e11e5586d48e583900b15c2b202b987c8f795c351d216e9b6","version":11},{"created_at":"2026-06-04T05:52:08Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 96.9→96.1 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 96.1 (美 96 環 99 楽 91))","saved_by":"editor","sha256":"8489bb11db438ea11b13decbd3044ca49c5916a951ad7e10bccab954ff8c4f66","version":10},{"created_at":"2026-06-04T04:55:36Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 60.6→96.9 (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 96.9 (美 94 環 99 楽 100))","saved_by":"editor","sha256":"867ec15e58a4192e871864a3d119a242a55fe254a6ed74693b553831b42f6676","version":9},{"created_at":"2026-06-04T04:55:36Z","element_count":28,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"54cb599cc8d0d4c8e2cdfc095cb825f990d1ccb23c9718183aef1d05cc91a3a3","version":8}]}