{"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-7ejm33g1","versions":[{"created_at":"2026-06-04T06:04:24Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 89.5→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"afabdad952bec584fadfc30d31a31499ad14117ba47ff2efe3f62e765209181c","version":5},{"created_at":"2026-06-04T05:50:49Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.4→89.5 (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 89.5 (美 94 環 97 楽 91))","saved_by":"editor","sha256":"fa8607c0a0005d3419fcf4d83361f215f86fc888f125d39ebc1a9b33cc2a326f","version":4},{"created_at":"2026-06-04T04:52:43Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 74.8→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f13771a9cd5a2d0e98c0ce25f4f4dc7527b25db34cd90aa5790c3a112264a7b2","version":3},{"created_at":"2026-06-04T04:52:43Z","element_count":93,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"103a21a5cf6720389a7beb42fbf98f5ab6e58bce9eff0c0baf50f21d65bbb1ef","version":2}]}