{"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-1bfankl4","versions":[{"created_at":"2026-06-04T17:00:26Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->99.5)","saved_by":"editor","sha256":"0b3ff87fe2ac3d343173024bc75005a39315ff56ca53d3a5adfc2eef257994b4","version":12},{"created_at":"2026-06-04T14:57:08Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.9->91.0)","saved_by":"editor","sha256":"0120c8d7b397c7b708de4b8d740e43209789897c2b979186e0e1582879808d65","version":11},{"created_at":"2026-06-04T05:55:36Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.7→90.9 (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 90.9 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"8bf6964ae0d52c2ab2c21c72c71cbd425e3f602313827aeb3b8fd03d4a4689a6","version":10},{"created_at":"2026-06-04T04:57:28Z","element_count":69,"note":"GA batch-improve 2026-06-04: 総合 46.9→92.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 92.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"bed6e532900004ac5adfd27f2d91f18187dad4bd8f0ad38e02a571dc6f92f4d6","version":9},{"created_at":"2026-06-04T04:57:28Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6ad0664b3e73ab7e61473fb53a5d980d274e2456d2eaa54b7317460f03a77428","version":8}]}