{"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-o1pmzue1","versions":[{"created_at":"2026-06-04T16:59:37Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->96.2)","saved_by":"editor","sha256":"5c7259ddfba1237aa30b0745fbc88e0f33b41dcf8a9bd2cf09b609bbe4f369ea","version":11},{"created_at":"2026-06-04T05:56:04Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 91.0→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":"19e6c8d43a8cb65e8ae33ca49434cf534ea2bf05cad696e83725425ec9a85b32","version":10},{"created_at":"2026-06-04T04:54:41Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 65.6→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":"5f67edb0e0b83457a20d86f97f4fe2dfe72a64f82b8ceba3030c624e34b2453b","version":9},{"created_at":"2026-06-04T04:54:41Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6c5b59b010163217fdb7d06591ece4876d60be5685790e1481b02db5004b13b5","version":8}]}