{"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-g3-aqeu9nxh","versions":[{"created_at":"2026-06-04T17:00:39Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (91.0->95.2)","saved_by":"editor","sha256":"79f4b5fd066ce548d0b4d3912cc76e40d5f92c308eaec5cc0f337e259c63fd08","version":6},{"created_at":"2026-06-04T14:56:51Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (90.3->91.0)","saved_by":"editor","sha256":"14944f03f010d72ceb3fa517f3a785a8141bdd075065b480ea3444338070b289","version":5},{"created_at":"2026-06-04T05:56:04Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 91.0→90.3 (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 90.3 (美 94 環 98 楽 100))","saved_by":"editor","sha256":"a07c34f07e28e1c8f96ddafc60011e9a096a4c729ef7ecc31b59426c877a1df6","version":4},{"created_at":"2026-06-04T04:54:24Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 66.4→91.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"0447d38dfcc5e1fb607a447d64e24e464c8f1f609e70143e9c187efce265096b","version":3},{"created_at":"2026-06-04T04:54:24Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4552a381652979a9aa98b2b66d3e4fcefc27b79608576e3531b5ff055662fcfa","version":2}]}