{"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-ma4jls8e","versions":[{"created_at":"2026-06-04T17:00:58Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"8740def980e36b5586f3ff7a79b333a7c51e5317f068d8124091b3f72d8721c1","version":12},{"created_at":"2026-06-04T05:52:47Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"faecb7707fbfa274a16c696adae99bd5f799eab7c092786772194f52d942a608","version":11},{"created_at":"2026-06-04T05:03:54Z","element_count":70,"note":"GA batch-improve pass2 2026-06-04: 総合 82.8→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"dff592a507606442d248f4809053cfc6180935566797dd67b047bff285a52f69","version":10},{"created_at":"2026-06-04T04:55:48Z","element_count":42,"note":"GA batch-improve 2026-06-04: 総合 59.2→82.8 (中庭ロの字・吹抜 縁側 ロフト ピアノ室 PV 雨水 天窓 / 適応度 82.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"d9f264b5b2afee35db34d75c2b99f02fbfc4ba10375d9f6e5ffee3feb21586e3","version":9},{"created_at":"2026-06-04T04:55:48Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0f85bc3f68f38e67bcad6f0cb2912be63f27a9d2d189775801e84cd5adbd4d22","version":8}]}