{"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-m9qkqiqz","versions":[{"created_at":"2026-06-04T17:01:17Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.6->95.7)","saved_by":"editor","sha256":"564b89df2857102b6a7ad536f2b81cf18764ad08c45d675112eb722d1011b4de","version":12},{"created_at":"2026-06-04T05:56:12Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 90.6→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"411fdc701863e30020d893956fce16abb3f01ad38ab16c9e23cef1d5fdc392c3","version":11},{"created_at":"2026-06-04T05:03:54Z","element_count":70,"note":"GA batch-improve pass2 2026-06-04: 総合 87.7→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"5e47bceb6d24f42c0b7d1a5156562cad3e1925fded93267192bbe06ca06d00b0","version":10},{"created_at":"2026-06-04T04:58:17Z","element_count":54,"note":"GA batch-improve 2026-06-04: 総合 44.9→87.7 (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 87.7 (美 95 環 97 楽 91))","saved_by":"editor","sha256":"b6550bcd7120372ad053fc47b717980799775c289118629533fac7c33dbe8962","version":9},{"created_at":"2026-06-04T04:58:17Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4e224887379cf2c664b63404ad66ddbd580ccd5722fc95aef13438ef8ef4fa14","version":8}]}