{"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-tyg3ns9z","versions":[{"created_at":"2026-06-04T17:01:28Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"1b5980b3999c31a2e03dd494750a5864ee271b1dfd57a8652fe457a8706e4a2c","version":11},{"created_at":"2026-06-04T05:52:35Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"740732157bdd489905955aa91160b63dadd08d6d43bd25df1117bdfe4f86ab10","version":10},{"created_at":"2026-06-04T04:59:18Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 37.2→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":"f68b0fe5c02a7ce28b3d6cfa493da78eee50782ab336e4201d7e513b956d3089","version":9},{"created_at":"2026-06-04T04:59:18Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"951164a0985129bacc27ca60e15a758e35b6abcfb5e33bc15f55749030b4ac21","version":8}]}