{"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-247jh5gc","versions":[{"created_at":"2026-06-04T17:00:24Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.4)","saved_by":"editor","sha256":"949adff38cb0a27d7dbf56f39521b92405d21f3f244011cc310cb2237c8a8cb9","version":11},{"created_at":"2026-06-04T05:55:09Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.5→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":"c5976d999fe64bf492ccd44883d94abd3cab4d810c9dd92f37f2477494fec38e","version":10},{"created_at":"2026-06-04T04:57:25Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 47.1→93.5 (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 93.5 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"45cd90188f56975567c37ecbc8dedaa3415851b70ea01d9ea2e1a8dfe1450769","version":9},{"created_at":"2026-06-04T04:57:25Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"122ec217008617adf5a0332ecae3d3d1621c05c88a77b8a3dc446552526981de","version":8}]}