{"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-ooo0or9h","versions":[{"created_at":"2026-06-04T17:00:30Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.5->98.6)","saved_by":"editor","sha256":"9f29205321e934399e1ca8034416c4668726d4ae79f50ec0445ba47fc02d2ffe","version":11},{"created_at":"2026-06-04T05:55:15Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c691bb5c7cc6c98c1c4741270cbb6891b4d21f0a258e21ff85539b5ecc5faf86","version":10},{"created_at":"2026-06-04T04:59:00Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.7→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0cc5650b4216645baed3006160a797590742f84b5c4261b741295eb1880c25c9","version":9},{"created_at":"2026-06-04T04:59:00Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6baf49ab96a40ef6c417cfb999bc737f4708d39c646d6d60d05a3cb0ae531112","version":8}]}