{"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-m3c680f2","versions":[{"created_at":"2026-06-04T17:01:03Z","element_count":60,"note":"polish: batch-improve-100 2026-06-04 (90.1->94.5)","saved_by":"editor","sha256":"bb52c6201ae55ead00732d05880c5ea9ed15a2122b1d9da677dbb063ecfc4a21","version":12},{"created_at":"2026-06-04T06:04:13Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 89.9→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"272c2b6e4fd327dc2bdc42447a49641c9a6eaad88a4fc7328a7ec91adae5f221","version":11},{"created_at":"2026-06-04T05:55:45Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.6→89.9 (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 89.9 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"778e7005d2b0f83b46a3ad3fcaff72ae9bd8341697ee58a51abfd7588ecbd390","version":10},{"created_at":"2026-06-04T04:58:27Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 43.9→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ff8468f1f57d7a96ff1f33345d504c3f987261acd45053a71e03351034af4721","version":9},{"created_at":"2026-06-04T04:58:27Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9023176f6300d2747110a9d9a625c388601b2027a2123625caee7c4672b3f12d","version":8}]}