{"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-m7g87upo","versions":[{"created_at":"2026-06-04T16:59:27Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.4->99.2)","saved_by":"editor","sha256":"65e268a972801d165690f145c8f365c710ab5f6fe0e1720b9a3fc210a0935193","version":12},{"created_at":"2026-06-04T07:22:33Z","element_count":55,"note":"GA polish 2026-06-04: 総合 90.1→91.4 (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 91.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"59f37ad9e2467a64608e17a5d6ae6c8a1aaa5e0ad93656fcd756451d09497441","version":11},{"created_at":"2026-06-04T05:55:06Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 93.6→90.1 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.1 (美 94 環 98 楽 91))","saved_by":"editor","sha256":"cd05e4b20e60837902565bc18375433887aff54d68f8acba8fa5eb175a0ca33f","version":10},{"created_at":"2026-06-04T04:53:51Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 68.5→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"52323bb21953778a85f9b8bdb24a2acf290b55db4fdbf692effe23201ce75cf2","version":9},{"created_at":"2026-06-04T04:53:51Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"bf4517a7586532bb9b53f50a6263a84bd7058742923df49e011affe26d3da6a8","version":8}]}