{"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-0ykbstvy","versions":[{"created_at":"2026-06-04T16:59:32Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"f201a4be044dcf8790f30e738994d1927723d7ae2aa28e1f98c795234ee9cb7b","version":12},{"created_at":"2026-06-04T14:56:58Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.3->92.4)","saved_by":"editor","sha256":"a047352f59ecc8d92bcad156956a4944643d958c72291370f4ef79c9593fd5eb","version":11},{"created_at":"2026-06-04T05:53:33Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.5→92.3 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.3 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"f55b8698aeff26864b14847d8efb2b215c028960998308d2be514dffe8a36dd3","version":10},{"created_at":"2026-06-04T04:54:28Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 66.3→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d6ddc6a5e89a55816a74ca30749330c8d1c08494f95470f9561a6cc3477b475c","version":9},{"created_at":"2026-06-04T04:54:28Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e419fe0b1db6d11624c474d886bb98fc1b502417eb7bf15d4a20295bd1eaadb5","version":8}]}