{"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-uj1qt169","versions":[{"created_at":"2026-06-04T17:01:21Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.6->98.5)","saved_by":"editor","sha256":"9b8517c58c5656a04999fbb4f6a0af5264e872cc48f96a31d95f12323bf85c40","version":11},{"created_at":"2026-06-04T05:55:04Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9c836d77dad7e53fc8fc05c11c8b1c42c7c0b72cb4df88d3d09707e3429d0e8c","version":10},{"created_at":"2026-06-04T04:53:42Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.1→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"382c2665e9f0b68ed1fd0e0185f226dd2d827feadfdc8ac393b671a83614199a","version":9},{"created_at":"2026-06-04T04:53:42Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f20b447b34c03e3b40bd590d3dfbab654072e5ab43adaa1461d2e85023fdc232","version":8}]}