{"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-8vhjyeip","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":"2026-06-04T05:53:04Z","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":"976ea7ce610b1c8ede1632ebd2ddb808f2b8f5890e520eccaa0ee1f191ae2bb9","version":10},{"created_at":"2026-06-04T04:59:25Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 36.4→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":"3086a2e72a6c371a0224829c2ed97ee053f271f5ac89e70186bc2fb580e5e18e","version":9},{"created_at":"2026-06-04T04:59:25Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c65bddb2cb4769247fd660d11ee5b7c5cd87f459e1c8b4cebf7f0ba53aec0989","version":8}]}