{"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-7ktcnzpq","versions":[{"created_at":"2026-06-04T17:00:31Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.5)","saved_by":"editor","sha256":"172acfba588357e7094469199fce5f2be3aec80e97e491e4c5abe68d98b90cf5","version":12},{"created_at":"2026-06-04T14:57:03Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.0->92.4)","saved_by":"editor","sha256":"229b26169cac89c4caa028fc8d6012c92aab3ed7a695d89594bfc4c00e169204","version":11},{"created_at":"2026-06-04T05:53:17Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 92.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"bf085b55b73b24ece2e773c0e0aac1e468123fb3b799c297d66418b9f9f5f2ac","version":10},{"created_at":"2026-06-04T04:57:20Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 47.5→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":"15ca508f073dc85524d8b6897abaa5da1271e0637231733405165e60a4b21af7","version":9},{"created_at":"2026-06-04T04:57:20Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"081d5899d4aa454ad8301206dab43fb3d4749a2defffa2ffd89bd7ccdeb45ba0","version":8}]}