{"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-dxno6kdf","versions":[{"created_at":"2026-06-04T05:52:07Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.0→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"24a12e8595137df1db7b7970cc35a46a34e149b240bcdac57f5b2034d04b2135","version":11},{"created_at":"2026-06-04T05:03:57Z","element_count":101,"note":"GA batch-improve pass2 2026-06-04: 総合 81.1→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"ce898b1141bb32d6800a7eba51ac03ef11bc5e579138a3883005d5d5423e7431","version":10},{"created_at":"2026-06-04T04:52:57Z","element_count":41,"note":"GA batch-improve 2026-06-04: 総合 73.3→81.1 (中庭ロの字・縁側 ロフト ピアノ室 PV 雨水 天窓 / 適応度 81.1 (美 99 環 98 楽 100))","saved_by":"editor","sha256":"a6189a59c8de5cf5028b93857e722266fce3163d9be79c007caf235b444fcf29","version":9},{"created_at":"2026-06-04T04:52:57Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5950321c806658b29dd569bfa594039149862249cb1a0c3862844e246a277b30","version":8}]}