{"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-7ckzz0c7","versions":[{"created_at":"2026-06-04T17:00:31Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.6->98.4)","saved_by":"editor","sha256":"06f4c2e472a43b7a277289fe255c8c99edc894982328542cb2678803f775bf3a","version":11},{"created_at":"2026-06-04T05:55:42Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 92.6→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"7e673f214b09c4fb8f154d460ccf0a955bc5a74772d0415ef09f8ec27e129320","version":10},{"created_at":"2026-06-04T04:53:31Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 70.0→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9658c095b25d80aed3f37f5f3a2991a1bd4da41f33d1d729aa9ef7c26d163d5d","version":9},{"created_at":"2026-06-04T04:53:31Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c1741d74a58d9b975119d13faa7ebe5969108a443972676473024c66a2a19bfc","version":8}]}