{"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-x0g5bxm8","versions":[{"created_at":"2026-06-04T17:01:26Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.5)","saved_by":"editor","sha256":"6804fe00ba78b81b06240b851eff3b1ea332c6856777db71365a971091d34ef4","version":5},{"created_at":"2026-06-04T05:52:24Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"4025115d4f75a419a54fba8e0e1e36f13574bf25295fd8156579616b2c0d3b6f","version":4},{"created_at":"2026-06-04T04:57:15Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 47.8→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"7d15a740dfc685b4ef70a717d873a50e60d747490c32af18d83536877100287e","version":3},{"created_at":"2026-06-04T04:57:15Z","element_count":52,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e1991b7ba55e87a7cc5bb5764d12cfffd8b5dc32005043be739c16877d409999","version":2}]}