{"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-h37iyvir","versions":[{"created_at":"2026-06-04T16:59:47Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.9->100.0)","saved_by":"editor","sha256":"77f3eedcb0e5bc096f3e1af5247086e38835f5bfe53d5f40bdd07d22c018556d","version":11},{"created_at":"2026-06-04T05:53:45Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.1→91.9 (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 91.9 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"cabba2615f9a8d35bd7b2a3b7fad635b3c3df6dcf86af1f9a7e0ac3720e21625","version":10},{"created_at":"2026-06-04T04:56:07Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 57.6→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"fd802ca93c71be883c69b24dc160a964210b9a3a61a17786608e25a36ce5b2a8","version":9},{"created_at":"2026-06-04T04:56:07Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5c33b1aa13fdd9e8ce99acc067877dec104c0e243595f7ade2977737da67a36f","version":8}]}