{"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-gkic0jpx","versions":[{"created_at":"2026-06-04T17:01:12Z","element_count":78,"note":"polish: batch-improve-100 2026-06-04 (95.8->98.7)","saved_by":"editor","sha256":"737ff518b49dd1657551b49c3b2e4fc0f90967315bd4928e6c3a6f7dca281abf","version":12},{"created_at":"2026-06-04T14:57:02Z","element_count":73,"note":"polish: batch-improve-100 2026-06-04 (95.7->95.8)","saved_by":"editor","sha256":"f57fbae05bafa1c9fe6fa8d613843fb97748db292379d6989aafbe7b4b07e1dd","version":11},{"created_at":"2026-06-04T05:51:35Z","element_count":71,"note":"GA diverse re-design 2026-06-04: 総合 98.1→95.7 (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 95.7 (美 95 環 98 楽 91))","saved_by":"editor","sha256":"e224f212df380dac63304f6d00fb2360601992c3e5bfb69bdff08893c0e11ce7","version":10},{"created_at":"2026-06-04T04:56:21Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 56.2→98.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"2ba1c41c9f73416c0c2f2ca8f549ce79e40c431839c3f2955e46aecd05992230","version":9},{"created_at":"2026-06-04T04:56:21Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d1a9d8f0325b79860a3f63518792ede5688c7378f4b8f085af6788d39dbb3c48","version":8}]}