{"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-5dfnov3f","versions":[{"created_at":"2026-06-04T16:59:53Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.7)","saved_by":"editor","sha256":"66e6c4937d66b5c9867481b7ece51b166a1d9d4d505315c6c14de9891aa43a54","version":11},{"created_at":"2026-06-04T05:53:54Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.7→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"eb1764c42d339128430bf955b9c73bdd0de3e8d64ea86d2688da110af2b50bf8","version":10},{"created_at":"2026-06-04T04:59:25Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 36.5→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"734d1e3c90597508ea630e6c5788279d00694b69dd8e35c7c859290bfb36a93e","version":9},{"created_at":"2026-06-04T04:59:25Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"600656e17c398b11fd13f70b6f26c6603b3c4410cc65a374c5aac754a68cfff1","version":8}]}