{"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-42bii828","versions":[{"created_at":"2026-06-04T17:00:16Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.4->100.0)","saved_by":"editor","sha256":"bc050ca0879ec7997ddaced0658eccc96c98bfc86b59ed5b2d3ddf74badb5fa7","version":11},{"created_at":"2026-06-04T05:54:41Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.7→91.4 (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 91.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"3b350a6e093ec16a212e007eb394f8d951db4149380326e001bdb7c9641dd135","version":10},{"created_at":"2026-06-04T04:55:10Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.8→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":"b8381959946d33783c84523ebf37ac8d40fcb836abf80a9ab684a35e3408fd6d","version":9},{"created_at":"2026-06-04T04:55:10Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"56ec56d8d8e9b1f43b76dd1d9af37cf1a05868022a115daf4f7a7984a9547aee","version":8}]}