{"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-8s8zcgnp","versions":[{"created_at":"2026-06-04T17:00:15Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.5->100.0)","saved_by":"editor","sha256":"348f2bb62f707b43e707ae7e05302cadaa76dfe22312114ee5c44c0d10a8e4f5","version":12},{"created_at":"2026-06-04T14:57:04Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.3->91.5)","saved_by":"editor","sha256":"47145b33f857ee9dec41faf7165e901281aa11f882a48683c5d7325974ba00fe","version":11},{"created_at":"2026-06-04T05:54:42Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.7→91.3 (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 91.3 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"e3319e6ffb2dbbcc8e39dfaf6f74c9d0f5bb22887be8c09deb4a15773af32eec","version":10},{"created_at":"2026-06-04T04:55:56Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.6→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6d456e2f8dfc79899a31a3270de0c69867523c93e1275e859ae1c897cf904444","version":9},{"created_at":"2026-06-04T04:55:56Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"14e3f162c75b4a028eebdd1727937536bf67392a132f156b717b88a6ad8b03f9","version":8}]}