{"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-2-ittm3uq5","versions":[{"created_at":"2026-06-04T17:00:23Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"059ac1ee94eace26064986bfa45a560e5152779d618e17daf26797d41d2de65f","version":12},{"created_at":"2026-06-04T14:56:50Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.9->92.4)","saved_by":"editor","sha256":"6ace4f229aeb2205b64e71043afecec9c753175ad669414aec57e74ecb4b3313","version":11},{"created_at":"2026-06-04T05:52:42Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 94.6→91.9 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 91.9 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"aea4f46ef645cb56cd8a30096778708b3ace0f7fa298990e38b30742c061c985","version":10},{"created_at":"2026-06-04T04:59:17Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 37.4→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":"23bb19be1eb39261bb37e501038d1843e4716f0b9391d7366abec79408784f3f","version":9},{"created_at":"2026-06-04T04:59:17Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a10819b8804627aef1d76e454d80329a6183593c4829256310dc3d2c332dccb4","version":8}]}