{"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-g2-qq0rabft","versions":[{"created_at":"2026-06-04T16:59:46Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"eb3d2d2dbddd208a7f8b48e4e2da92721a21a5b32fecc97f404a09f0c919f0ef","version":6},{"created_at":"2026-06-04T14:56:55Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.9->92.4)","saved_by":"editor","sha256":"ce6c35a78d04d712abb3f10021236b38fd7948ac26854598230ffd02ecd41ac6","version":5},{"created_at":"2026-06-04T05:54:43Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 93.6→91.9 (総2階(箱)・吹抜 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":"76525b7c87b237ecf0e1122fbb8ff21171a48396817903fd9bfd85c4bda5ceae","version":4},{"created_at":"2026-06-04T04:56:55Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 49.4→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":"33c27e5cd0b86962dc1b59b565c3af59e22ea52fe3a4fe07a92d792fc0c6d609","version":3},{"created_at":"2026-06-04T04:56:55Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c31130159dcc538224aa232b68a371b383b936e4babeb7de2637c70c1988e069","version":2}]}