{"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-a7zzpduf","versions":[{"created_at":"2026-06-04T16:59:47Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (92.2->96.5)","saved_by":"editor","sha256":"6981df3603c702142d91cf937b11210e767e642aed14b2378b9c0b5a533e2ca7","version":11},{"created_at":"2026-06-04T05:56:07Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 90.9→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"a5b1276c9d9ae1f9ac021030e1e20693ceee1b966f843daf5df4516fa65da973","version":10},{"created_at":"2026-06-04T04:57:44Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 46.1→90.9 (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 90.9 (美 92 環 98 楽 100))","saved_by":"editor","sha256":"3678cdc5fc4183feec201261224740a339cdc8b038effd801d90b74347bcc25a","version":9},{"created_at":"2026-06-04T04:57:44Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7e01af6d880a2cc821bb8ec059db992eadef9823f1f936b658f2df8907cd4114","version":8}]}