{"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-va12gclf","versions":[{"created_at":"2026-06-04T17:00:52Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->97.9)","saved_by":"editor","sha256":"af09ade0b4a06ae7ca6b98c1b4ce82c83098149ed594110b9ca5250740767843","version":12},{"created_at":"2026-06-04T06:04:11Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 90.0→92.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"66aa76f0753cf3c363885ac875d08f338b5ab2429e0555e3477b2618716058eb","version":11},{"created_at":"2026-06-04T05:56:03Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 91.1→90.0 (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 90.0 (美 94 環 99 楽 91))","saved_by":"editor","sha256":"becdab3d21ba20fc26d65f90e53425ff63ff0e2a431034d412b298f52cf4c4a0","version":10},{"created_at":"2026-06-04T04:52:59Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 73.1→91.1 (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 91.1 (美 92 環 99 楽 100))","saved_by":"editor","sha256":"0ac67c643550f1748a7d2aa9af88b13f30e31568135783924d525b944452b466","version":9},{"created_at":"2026-06-04T04:52:59Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e5a6761b0db92788d634c345218d9c3047c2e0f400c30090228ce78fbed2c154","version":8}]}