{"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-jrdunwyl","versions":[{"created_at":"2026-06-04T16:59:52Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"b61e311cb7f5d7c8e4474298d84d746b37b46a22f14d165b83d70e63dc35f828","version":11},{"created_at":"2026-06-04T05:53:19Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"43e760f3cabf230f221312d13fc7670b5b3c07a5bbd13c6c0290ce561eeb8cc8","version":10},{"created_at":"2026-06-04T04:56:45Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 51.2→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":"18aca542f7e9b8b522e1c5ffcd000f3a54a1ddf10fc0002236625de7cbddeaf6","version":9},{"created_at":"2026-06-04T04:56:45Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8168d4fb5ea035ecd130a29c39cf162e36ae3fa00fc5cfaba7f9cda3af2b52a4","version":8}]}