{"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-66tblw3b","versions":[{"created_at":"2026-06-04T16:59:58Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (96.2->96.8)","saved_by":"editor","sha256":"6a66af1cb4a2b32d0b980d387ee22113093056c2cc9bd1dfc7bf0cc3341cc6c6","version":11},{"created_at":"2026-06-04T05:51:24Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 98.5→96.2 (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 96.2 (美 96 環 99 楽 91))","saved_by":"editor","sha256":"9c4990c7ec54e47bb899b13d15e794584a103924aaa8ba11e76409fe723f7dd4","version":10},{"created_at":"2026-06-04T04:55:23Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 61.7→98.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.5 (美 99 環 99 楽 100))","saved_by":"editor","sha256":"964560095bcdd985e3493500113454fe3a4d79aefde0777f401a0d4ced3b4815","version":9},{"created_at":"2026-06-04T04:55:23Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6c8ab1e40e67a396636e288aafd774febf2e5400de19ab88ec51587bfef2d3a7","version":8}]}