{"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-4vxfwsbn","versions":[{"created_at":"2026-06-04T16:59:33Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"d7981c7062f4968e4ca94ae08c28eccb2ceba2223fb7f85070bde4015b0e6f4e","version":5},{"created_at":"2026-06-04T05:54:43Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"453eeb2df5aed0e9c799b9eb4c8ff248f378c97cf955495fc9506e049dcb23e8","version":4},{"created_at":"2026-06-04T04:58:36Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 42.5→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"6a32769b67a36c8a389bff8cdfd7b4d6410e1df70b7d7db21e7b1f4887a3df20","version":3},{"created_at":"2026-06-04T04:58:36Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"cc66b8e86418f0ba16559b3c09e83718ed2d6d3b89281969e9cd732a0c1ca859","version":2}]}