{"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-h6uh7kzx","versions":[{"created_at":"2026-06-04T17:01:22Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"043eb39909e0c0d3c99a20c21884ffdc215bfd6bf7622c50f03d30962b6cec7f","version":11},{"created_at":"2026-06-04T05:53:16Z","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":"fe5fd66a2ccd61d7f5d45640df7b6ff66e6bfa807ffa24ab42aa71b328b53b2c","version":10},{"created_at":"2026-06-04T04:58:58Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.8→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":"ac753b0a56e2d443ec99bc4de86418bfc39e93bcb49fc700be7927bf87eee279","version":9},{"created_at":"2026-06-04T04:58:58Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e6a00e917752254fca23d34625b00194efdf92244ffd420af1399b33fa9f844d","version":8}]}