{"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-aou3w0z8","versions":[{"created_at":"2026-06-04T17:00:27Z","element_count":79,"note":"polish: batch-improve-100 2026-06-04 (94.9->98.4)","saved_by":"editor","sha256":"40aceff4aeca5e5ed6dd0199c7394ba7a0d71c2e9bcd48276d9a8f9748f753f8","version":13},{"created_at":"2026-06-04T15:25:58Z","element_count":73,"note":"polish: batch-improve-100 2026-06-04 (94.8->94.9)","saved_by":"editor","sha256":"e505e7004690962272af1304cfa65f6d7916d90f7aa144975cea838167f645b2","version":12},{"created_at":"2026-06-04T15:25:00Z","element_count":73,"note":"polish: batch-improve-100 2026-06-04 (94.8->94.9)","saved_by":"editor","sha256":"e505e7004690962272af1304cfa65f6d7916d90f7aa144975cea838167f645b2","version":11},{"created_at":"2026-06-04T05:51:59Z","element_count":71,"note":"GA diverse re-design 2026-06-04: 総合 97.1→94.8 (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 94.8 (美 96 環 98 楽 91))","saved_by":"editor","sha256":"c955638eb2b34578001ff9a279566b23e1b3727365fb87eb70edf7fd2ad69632","version":10},{"created_at":"2026-06-04T04:53:32Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 69.9→97.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"18a33a0e733cc551c3be4efabbc58196015127d40069d72330cca9ef34ace761","version":9},{"created_at":"2026-06-04T04:53:32Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0313dc40cc3877f5eb123838d44ce824dc1b0485815a04322777c50a3d0e00f8","version":8}]}