{"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-2-jzayrlml","versions":[{"created_at":"2026-06-04T17:00:42Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (96.0->97.0)","saved_by":"editor","sha256":"8821895c1b433aa79856d2efea76bd8a77226ae14f3fb0bd66be88adc20ff6ac","version":12},{"created_at":"2026-06-04T14:57:01Z","element_count":72,"note":"polish: batch-improve-100 2026-06-04 (95.9->96.0)","saved_by":"editor","sha256":"c5dc3cbcae933baa774beeab6609512ca78a7fb868c196e3dfd1214c018d212c","version":11},{"created_at":"2026-06-04T05:51:21Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 98.6→95.9 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 95.9 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"9d0d8c863b5e0d7bc0db52eb065f7ec9773045302af73cb8730d7cbcb52e900c","version":10},{"created_at":"2026-06-04T04:54:40Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 65.7→98.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d1f37d7f0fbd503b7e783e7c946251c6bca017299c6779d61675857e2f297a49","version":9},{"created_at":"2026-06-04T04:54:40Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d9c0b2371538bc68d7d7d661f47c0772df8ee5e4975b291ddf1b1775b8816398","version":8}]}