{"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-i0lc4j8l","versions":[{"created_at":"2026-06-04T17:00:28Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"9e833d8474fad597504b6876dfbebe7c3ac42b1b919fc3697dd0f60905b13405","version":12},{"created_at":"2026-06-04T05:53:01Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c8f649aa11326936fb49b2c9085ca0066659eadc865e44c00de3ad43855bc49a","version":11},{"created_at":"2026-06-04T05:03:55Z","element_count":70,"note":"GA batch-improve pass2 2026-06-04: 総合 82.8→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"99f7bc276e3ac4f1be63d1dd736d141f7fd634559eeafbfe425e62fdbc06333a","version":10},{"created_at":"2026-06-04T04:58:59Z","element_count":41,"note":"GA batch-improve 2026-06-04: 総合 38.8→82.8 (中庭ロの字・縁側 ロフト ピアノ室 PV 雨水 天窓 / 適応度 82.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"d1985206fd8641dd61c14f4b0135becee15d1709be46bddb5ab59c2d1b792a1c","version":9},{"created_at":"2026-06-04T04:58:58Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"db9734c59c8d7e14470f0e95433a146249ee14201b3ec49f1857c969ff1b07d7","version":8}]}