{"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-kiul4ttk","versions":[{"created_at":"2026-06-04T17:00:34Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.4->98.3)","saved_by":"editor","sha256":"ecbbbd35c6f40e75864532686b3b0440cfe8827bbbd30f17f618134f5df37299","version":12},{"created_at":"2026-06-04T14:56:56Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.2->90.4)","saved_by":"editor","sha256":"8f13909552e6c021ccc5b7092d425b04a3e85965e174d481f00f4e17c879af86","version":11},{"created_at":"2026-06-04T05:50:46Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.2 (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 90.2 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"c06dc025c000ac1150630c1770f5047f35415c19f7292093fd89627e74d1dc92","version":10},{"created_at":"2026-06-04T04:53:03Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 72.4→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ab0a6f9331ea558ca8c8a7f28fe72dfa59e825fafa25d13858185dec307d5021","version":9},{"created_at":"2026-06-04T04:53:03Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"59b2e289b093cb808001d3e41d7a3b096dde72d3b609bcfba23738bd75857c56","version":8}]}