{"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-x92lthj0","versions":[{"created_at":"2026-06-04T07:22:19Z","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":"a56ca822fd557f4496901d201c3444b52700cee4a100aaa6b2c55dc665840b4f","version":11},{"created_at":"2026-06-04T05:53:02Z","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":"c3404142d66a354e1c1ae013afc61b8f1cdf88e8d346a19549eff75b152034a1","version":10},{"created_at":"2026-06-04T04:58:59Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.8→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":"215aae6a2663e43f80b4d7938305a816cb9eb5a42a827f41a318e3df64285f71","version":9},{"created_at":"2026-06-04T04:58:59Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"db9734c59c8d7e14470f0e95433a146249ee14201b3ec49f1857c969ff1b07d7","version":8}]}