{"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-da4uc8lj","versions":[{"created_at":"2026-06-04T17:00:05Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.5->99.6)","saved_by":"editor","sha256":"302c327aa7ff22bac6fd3fafb3baea0e2345b4056f74d755e571ab29acb87d5b","version":5},{"created_at":"2026-06-04T05:53:31Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.5→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8107b01055aeef17df45d36ab7855233ea063e67443631c09554fb0d5f0c8ee3","version":4},{"created_at":"2026-06-04T04:56:50Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 50.0→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b116a26611643c9a4e7542b0035536352b73cd57816bf3c2b64672e978ba3eda","version":3},{"created_at":"2026-06-04T04:56:50Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c5cc57dc891be63ae00de093529711646669b186939b0ead01c93a99b78c516a","version":2}]}