{"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-r0v35fqh","versions":[{"created_at":"2026-06-04T17:01:30Z","element_count":60,"note":"polish: batch-improve-100 2026-06-04 (92.2->94.1)","saved_by":"editor","sha256":"75bd72d0d7ac2f43e8ac0d3414852851379fd6a333031c0131b16ee22859a15f","version":12},{"created_at":"2026-06-04T06:04:22Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 89.6→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"7b0f4ea37bc4936843be8b6b4cb51451c56436f303bced47cb5707bcf6ad5fa1","version":11},{"created_at":"2026-06-04T05:55:51Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.2→89.6 (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 89.6 (美 94 環 98 楽 91))","saved_by":"editor","sha256":"17840160b9d8e056e7678aece049facb4cd53f822aec42e77e32ca9a2ee2f481","version":10},{"created_at":"2026-06-04T04:54:09Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 67.2→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"984701a5f5f40738972b9e2c31282586f2a1e3c1e4d3a192d5c0e778c2057799","version":9},{"created_at":"2026-06-04T04:54:09Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e5b5fdd7198d606d24684c834912ae8abd043d5998e5e50041c25056332df78b","version":8}]}