{"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-e8qajxhx","versions":[{"created_at":"2026-06-04T06:04:14Z","element_count":99,"note":"GA diverse final 2026-06-04: 総合 89.8→99.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0297ce236241a749b8a82d6131c6708935341b06636454bb34048f449121ee6c","version":11},{"created_at":"2026-06-04T05:49:48Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.8→89.8 (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 89.8 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"a2505c51b1c2b18fc2cad674ea3bb9eb3ce2e7f97ab5e795ac8362b637745b9d","version":10},{"created_at":"2026-06-04T04:57:56Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 45.7→99.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"94fe92d0dac3cbb9a34a7760c24f76a74a774869efb793ee38af25db58026c0a","version":9},{"created_at":"2026-06-04T04:57:56Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"adf2f47362eba4eb11023e93877675ce48b05a22b8882e177cf35fa8699d5f71","version":8}]}