{"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-ez27qzn4","versions":[{"created_at":"2026-06-04T17:01:18Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->99.1)","saved_by":"editor","sha256":"1dbe0ba0a61734a474531e5d5824544bf443328d308d96c141e300c1976adc44","version":12},{"created_at":"2026-06-04T06:04:10Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 90.0→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"59e9362b8bcbbc3a3ed2a2393fdb05d752f1631b2307e6a479ca7ab656fdbce8","version":11},{"created_at":"2026-06-04T05:52:02Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 97.0→90.0 (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 90.0 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"865d489908715ef098ec538cfc321b1908b1bd61b47117ae9f94eefa8cf55cb0","version":10},{"created_at":"2026-06-04T04:56:43Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 51.3→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"dfd6c121a5885f1de75273c5dd76ad9b383e0020e905ac4311dc716b767f912d","version":9},{"created_at":"2026-06-04T04:56:43Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ac9f0ed7de01b3b6aa4d174dbfbda8798eac5bbe4ea4f3a29ae0cb9cd10b4d18","version":8}]}