{"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-t5e8rhz3","versions":[{"created_at":"2026-06-04T17:00:55Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.3->99.3)","saved_by":"editor","sha256":"de700a037e965cd19fe423cc5d0238ac58f2c3014e98ee44c2d498edc74f3f60","version":11},{"created_at":"2026-06-04T05:56:18Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 90.0→90.3 (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 90.3 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"90e206b1bc7c6e99b92ad327c15dabb3307fd57b3d0c8e1a566a411a4e656315","version":10},{"created_at":"2026-06-04T04:57:17Z","element_count":97,"note":"GA batch-improve 2026-06-04: 総合 47.6→90.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 / 適応度 90.0 (美 87 環 100 楽 80))","saved_by":"editor","sha256":"53845de6cc2bb107943a25cc2b5567222d91f8dc48d274596bcbbe7a4fd64064","version":9},{"created_at":"2026-06-04T04:57:17Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"068b1d637cb8dfac6ea0428cec0b099b5169fc3607285b4e4de1187ef988b982","version":8}]}