{"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-helw06nk","versions":[{"created_at":"2026-06-04T17:01:31Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (91.3->95.5)","saved_by":"editor","sha256":"1b6e21bece48ecf650349cf321b13c2671ca9427a4fcfb6459afaf9f166a265b","version":11},{"created_at":"2026-06-04T05:56:01Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 91.3→91.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.3 (美 100 環 93 楽 100))","saved_by":"editor","sha256":"f704de2fc8db1f82175c0d1d7872eb34f9695e492406a32765c8a088394598fc","version":10},{"created_at":"2026-06-04T04:57:35Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 46.6→91.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.3 (美 100 環 93 楽 100))","saved_by":"editor","sha256":"bb721ced5a050b267fba8523f5fbd63e530b8b0addc3bdd3ebad5c94b40869b5","version":9},{"created_at":"2026-06-04T04:57:34Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f0e808199080f43dd5d3162dd6ee740acf504dda2ebdc257bb4db15427e326f6","version":8}]}