{"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-2-bx59kn5y","versions":[{"created_at":"2026-06-04T17:01:35Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.4)","saved_by":"editor","sha256":"d6d01d24ff1790febcbc05cfd0f6a4eb7d8c56c1224f98d4a23f968536b1f422","version":12},{"created_at":"2026-06-04T07:22:17Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.6→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":"eeff456511193a6f93d63f2a85268e023f9b06d635694b73cd79c36760311990","version":11},{"created_at":"2026-06-04T05:52:44Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"e00f8788e710100aab248624d15d7eb888f1e698dbefe4a21281547527a5ae3f","version":10},{"created_at":"2026-06-04T04:53:33Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.9→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":"5e6b11923e0d52b4bd75750303d3460785c5b00dd0acb66e8a259c44de2c7a16","version":9},{"created_at":"2026-06-04T04:53:33Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"29996aa3fd0c4a01221bc25d714d08e31737e59b41d9d78309d85befc03b0849","version":8}]}