{"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-v42tty22","versions":[{"created_at":"2026-06-04T17:00:45Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (92.4->96.7)","saved_by":"editor","sha256":"2d500dd80d4f9718160c9c5666cb6f9b125b0a036b8f042eeed397300a412a4d","version":12},{"created_at":"2026-06-04T07:22:31Z","element_count":70,"note":"GA polish 2026-06-04: 総合 91.1→92.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"6c18b81d7b2e64db3c5ef9f26c6f8d0e23cc9892b5f11cd6d0bd900cb959c3d2","version":11},{"created_at":"2026-06-04T05:55:49Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 92.4→91.1 (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 91.1 (美 92 環 99 楽 100))","saved_by":"editor","sha256":"1310007231eceb4cbd0a453f85324170b8a58d262f19f42fa71b092a402eceeb","version":10},{"created_at":"2026-06-04T04:58:27Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 43.8→92.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"189a93bd151b4f784dcb834398363eb5073c7bc4df2d75f36e74db3207a0cb81","version":9},{"created_at":"2026-06-04T04:58:27Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"df9fda6b5ccc1393fe49f60c2a89fb949efbbbbdd179952be0819e83f865be84","version":8}]}