{"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-p0w84vsh","versions":[{"created_at":"2026-06-04T17:01:06Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"cf54a6fab8b72b3c7d45615265bd6ca6cac5de95135192593e34d5d313daf10f","version":11},{"created_at":"2026-06-04T05:52:53Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"f97e34bc5b0db354c4d51c3397e6fce50befcafac8b05f8ee9074f71d09fa6a4","version":10},{"created_at":"2026-06-04T04:55:12Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.7→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":"98f2fd02bf9cee13905292c49ab59a0cdc58fb80afce1476ed00edb7a501c9be","version":9},{"created_at":"2026-06-04T04:55:12Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c0f804116b17e33f99adab406b13dfd068e3fc55434afb34d444ad5077e5a65f","version":8}]}