{"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-rie9rxcp","versions":[{"created_at":"2026-06-04T17:01:30Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (92.0->96.2)","saved_by":"editor","sha256":"fa3d30c0febccb35a152b9c141288e7b73dac149f6a493bdac7e4a9f4d2c600d","version":11},{"created_at":"2026-06-04T05:55:56Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 92.0→92.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.0 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"4d146cbc63fc56e8321e54e0164ac083be0f580f174fe37e343fbf2cabd54941","version":10},{"created_at":"2026-06-04T04:53:01Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 72.7→92.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.0 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"a1158636ac5058d64a226a97d949066ce6d493cbd83a4f580be2e969604a3c90","version":9},{"created_at":"2026-06-04T04:53:00Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"bcfcb37e509ef87627d58b4cb1623a256a0b507f9ee80b6da606e026ff3b7d84","version":8}]}