{"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-2-2a4chcf5","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":"4defdb925e7f683f3f060500cbf4237252e13cf77160b00d9c838f4929c4b64e","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":"40a623f50455f05a6d1e5bf7c8e167a0d0d187b21f68f88e4ce3abed83896dd0","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":"b179cceb18c294bf554de2c63e19627eb598c7be26eeca8aaa249ccccc7c0aea","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":"8bc26e971ae199b8cc609ac92436024a767a8a818ef75eacf2042136d80d0c00","version":8}]}