{"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-0k6veby8","versions":[{"created_at":"2026-06-04T05:50:57Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 99.3→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"bda632f227d71a8ed08ad8b2bf4f7f75868bd239f94f0be0dbc524abc5a1eb9a","version":10},{"created_at":"2026-06-04T04:57:58Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 45.5→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"33f099adb7f2bc1b1cf31649921e8e2959f0970feac786acfffd34faa236bd23","version":9},{"created_at":"2026-06-04T04:57:58Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b418bb7b3fc0f971e7615fd7945abfd0c683d58c66921b1225d22ff8f5bde089","version":8}]}