{"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-eiqmmwvn","versions":[{"created_at":"2026-06-04T16:59:30Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (94.6->100.0)","saved_by":"editor","sha256":"16b7a22cbd86bae0bcf954cce3b2dc07d37d7b0b901135fced9f73829d7f0b51","version":11},{"created_at":"2026-06-04T05:52:39Z","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":"cf6e0826d2c1b4772abef942c6d4fcdc7307cd96d99145b0f15a86a9fbae00c3","version":10},{"created_at":"2026-06-04T04:56:30Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 54.2→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":"fbbaad2e655012f0e087cbd42a7331106480c08d49716b6da10e0693d051ff23","version":9},{"created_at":"2026-06-04T04:56:30Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ce5945d04766eccaba8d06cd44fb2ca2399e15113a44476bb12e784a7904f151","version":8}]}