{"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-b3pij6ln","versions":[{"created_at":"2026-06-04T17:00:40Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->99.5)","saved_by":"editor","sha256":"2b4d83f453392cac3be8ea9dd664f93ddeaaa91c7a80608b5c452825d66905e2","version":12},{"created_at":"2026-06-04T06:04:27Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 89.1→91.0 (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 91.0 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"9feeda09546159bf8d454dfbc213a27e05c37f8c60d4ae832067bb4be0b113df","version":11},{"created_at":"2026-06-04T05:55:54Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 92.1→89.1 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 89.1 (美 92 環 100 楽 91))","saved_by":"editor","sha256":"14b1c14d3179d16fc99286fece36448229e2156d78fe9996a03ec22fb5d29ff3","version":10},{"created_at":"2026-06-04T04:57:28Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 46.9→92.1 (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 92.1 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"00818605ec0f4c349b14959de6d75803052dff6c69ce760deb64bf0f1bacfbbe","version":9},{"created_at":"2026-06-04T04:57:28Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5e9993dd22688dd826ece7865132f097077bf2d64cb1e4e5d147e7e39ffd8be4","version":8}]}