{"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-g0-7nl7keyj","versions":[{"created_at":"2026-06-04T17:00:52Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"326b27b7e219ca7141f4d13d78424623a5f61109c108c1f2ddc215bca4e36ac7","version":6},{"created_at":"2026-06-04T14:56:58Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.0->92.4)","saved_by":"editor","sha256":"cd22ba9985e5fbce7665aac468ef7509002e048f0e9b6641ce28123496913d74","version":5},{"created_at":"2026-06-04T05:52:31Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 92.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"9247f91357f0fd9f56efefd816691ef56f2aca441150fccb9fdaa29de5702d93","version":4},{"created_at":"2026-06-04T04:55:31Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 61.1→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":"e8920d589b3b45c5a3f71fa9cda031985249ad4bd199985df938d3ed7eaeb9bc","version":3},{"created_at":"2026-06-04T04:55:31Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"24080a8f884d5b3f9fcad3997334f3a6610696b6a510f7812b151c1f2efa9fee","version":2}]}