{"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-wmqpexw5","versions":[{"created_at":"2026-06-04T17:01:15Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"b151188731c2762f043887d20391a558ecf2c87d6bc0b733d7be600bd147eb58","version":12},{"created_at":"2026-06-04T07:22:32Z","element_count":55,"note":"GA polish 2026-06-04: 総合 90.4→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"79dcd0c688b91eb3d0de55e0b5024cb03cab320c6620b3b0d26fde9b591929ff","version":11},{"created_at":"2026-06-04T05:54:56Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 93.6→90.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.4 (美 93 環 100 楽 91))","saved_by":"editor","sha256":"8729bfc85bd89ca598e3fb42fc785228dceb8f25f75f7bb9db1c55c5ae0803b4","version":10},{"created_at":"2026-06-04T04:58:57Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 38.8→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"7d640ecbe39911cb21a096b701c498d2c90ae06dd931d358bd7342dceaebd016","version":9},{"created_at":"2026-06-04T04:58:57Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"13a4f42d0cf0b20e4bf936cb0bb72c089de1291bbc886d7ef9d25cc4f90d0d62","version":8}]}