{"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-qxh1co04","versions":[{"created_at":"2026-06-04T17:00:39Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.5)","saved_by":"editor","sha256":"fae1a04b8c2c2a5efe1c2593eb98f35fb41b342f4583b91644993d6c6535d130","version":12},{"created_at":"2026-06-04T14:56:49Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.2->92.4)","saved_by":"editor","sha256":"0b95a484e968d8a9bd60bf95146f80a9bfb1c357d9aed04e8ed76f2949889914","version":11},{"created_at":"2026-06-04T05:52:41Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.2 (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 92.2 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"9dc17d09010254f2781d961831cc652cc3b196af20489fe3e304cbb9f7ecd251","version":10},{"created_at":"2026-06-04T04:55:53Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.9→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":"5aecd52cb1420bd08a0eb8b88631ac234d3ebdac3aab35a29215bce644d5d36c","version":9},{"created_at":"2026-06-04T04:55:53Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8e909d5b4456d22ac707b0aad087a392ae61f61b740c4960b4f68cfab5550e2e","version":8}]}