{"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-kichi-nm3o7g37","versions":[{"created_at":"2026-06-04T17:00:31Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (92.6->97.3)","saved_by":"editor","sha256":"d4fd6e5b506746770df6a015b769f41caac1bf9575124eafa6d2b94f96bdd359","version":12},{"created_at":"2026-06-04T07:22:30Z","element_count":70,"note":"GA polish 2026-06-04: 総合 91.2→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b6541f86a65e3bc0b4db3cdf56e1937b1104f3fe8a45a3c34914a265b3a24da8","version":11},{"created_at":"2026-06-04T05:55:46Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 92.6→91.2 (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 91.2 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"9dd855826cfc8ffb1ac2be87e82e4b8d2760a8b5e940482fd624ca73f28d8a31","version":10},{"created_at":"2026-06-04T04:52:45Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 74.6→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"1f0fc672a8a69523da68d655ef6bc661865f60c6f6b87abf4411141d8798c81b","version":9},{"created_at":"2026-06-04T04:52:45Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1e10ca2f0d6fe573fa64e42ac4d26aa6ce584955af672e69fe5b041d56eaa818","version":8}]}