{"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-a8u243z5","versions":[{"created_at":"2026-06-04T17:01:41Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.7)","saved_by":"editor","sha256":"d0465c47c30d8498f6fff7342d6470c8063853214c416c455c55df6e135500ca","version":13},{"created_at":"2026-06-04T06:04:32Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 88.4→90.1 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"b56471d64db220a4d4e5a1467ac7d883b5e0d519056352744497b4a3db87e61b","version":12},{"created_at":"2026-06-04T05:50:35Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 99.5→88.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 88.4 (美 93 環 100 楽 91))","saved_by":"editor","sha256":"01abd50d23fda7f2ea81d4af24e5e812249161485a1beb86d1092614f6bdbbd3","version":11},{"created_at":"2026-06-04T05:03:53Z","element_count":98,"note":"GA batch-improve pass2 2026-06-04: 総合 88.3→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8ffabf599cbd4e0bb1dcb2cbacb3d2491b58d1ebe197597cbe6e77b946e1319f","version":10},{"created_at":"2026-06-04T04:57:14Z","element_count":69,"note":"GA batch-improve 2026-06-04: 総合 47.8→88.3 (中庭ロの字・吹抜 縁側 PV 雨水 天窓 / 適応度 88.3 (美 100 環 100 楽 83))","saved_by":"editor","sha256":"b2a5eb311df6667d9ef9edd88f9affaa5d02ccfa182abb1190d1b9a4bcaaba5f","version":9},{"created_at":"2026-06-04T04:57:14Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7a75746e940e8d4a72e0b848ff8f739f1413afedb588e6d981c3eb4be49f33c2","version":8}]}