{"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-g5-e7oxnssh","versions":[{"created_at":"2026-06-04T17:00:55Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.6->95.7)","saved_by":"editor","sha256":"e65e6458aca2f6260210d8200401b1db9abe5cec7320904138b55cbcf89eebf1","version":6},{"created_at":"2026-06-04T06:04:33Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 88.3→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"dff4b983a405aa38878cfd8acb6f716af8bab3977391ad8a84d578b119bf2416","version":5},{"created_at":"2026-06-04T05:56:08Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 90.6→88.3 (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 88.3 (美 96 環 97 楽 91))","saved_by":"editor","sha256":"e053a0a89d07b0566b146b51a46418bd50d95f2bb2cedda5e4f477f2a3531d01","version":4},{"created_at":"2026-06-04T04:53:15Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 71.3→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"a699634e7fc03c84b1f1b984c790fc6eaa3e7700b094af997e8d54c93d1bf66a","version":3},{"created_at":"2026-06-04T04:53:15Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8001ccba3f6ecef0cd93384c5caf7d1b74c98857289b8a4199da5e7cdeee6f73","version":2}]}