{"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-jx6ktdcm","versions":[{"created_at":"2026-06-04T17:01:09Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"c7ac4ddacd2c05113a6a42e810b5f86c95e0e6ab5bf7af2684756c9cdb6c4b56","version":12},{"created_at":"2026-06-04T14:56:58Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.1->92.4)","saved_by":"editor","sha256":"f8e3be710ed372f1a2e0253c9b54afe12c19f4a4859da5656452e36a33dc6060","version":11},{"created_at":"2026-06-04T05:52:52Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.1 (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 92.1 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"0b7ea2ba4bc3ebec05c2b59a119152cc73b3a3a0558ffa4716dbba5d1f074f80","version":10},{"created_at":"2026-06-04T04:59:01Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.7→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":"333e65b69249b3bdd4a4c04c06c8600d047671753b9a69491ffa6a0371e4dd6b","version":9},{"created_at":"2026-06-04T04:59:01Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a608cca3db2ab5e720d111424e6f1e6343b672ee0a4f9478e892746702051e7a","version":8}]}