{"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-cy77s0f0","versions":[{"created_at":"2026-06-04T17:01:10Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.7->98.5)","saved_by":"editor","sha256":"376f89a070347c2de2a73eb7bb97b9760699e90efa6bc7e0499bd3d58474f428","version":12},{"created_at":"2026-06-04T14:57:08Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.6->90.7)","saved_by":"editor","sha256":"c55cda0b316a5e6c11313ddb9a89663c4b88ea2566fed9bc5a571a26e8c65801","version":11},{"created_at":"2026-06-04T05:49:57Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.6→90.6 (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 90.6 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"8a70bf93b2d74d6c668fe413935545cb1fdec27530e0476ccbf736bfabf113af","version":10},{"created_at":"2026-06-04T04:55:20Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 62.1→99.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.6 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"308071dead0b37044a10d8823b30a69da2d03275607fb651bac7545cf1878578","version":9},{"created_at":"2026-06-04T04:55:20Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1c1df5798244c139a235f6abecf50ccdc772fbbc4c84314ce001a87537c24900","version":8}]}