{"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-vmxok5fw","versions":[{"created_at":"2026-06-04T06:04:12Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 89.9→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":"6f5e1f45ea33e6f9870ad38b814109bfaa8c873156d2894dc0a8dbdd63900dcf","version":12},{"created_at":"2026-06-04T05:50:16Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→89.9 (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 89.9 (美 94 環 99 楽 91))","saved_by":"editor","sha256":"e463b74658fa6f1300df355f4ae02b3f960e61c12cb9cd6022a9925141f64d28","version":11},{"created_at":"2026-06-04T05:03:51Z","element_count":98,"note":"GA batch-improve pass2 2026-06-04: 総合 89.5→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":"dc287994c72299261f46f4c3446339190f07eb8b8bb78801bcd5a6111f7944b3","version":10},{"created_at":"2026-06-04T04:57:31Z","element_count":54,"note":"GA batch-improve 2026-06-04: 総合 46.8→89.5 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 89.5 (美 95 環 99 楽 91))","saved_by":"editor","sha256":"9d6ff3f759fcb89b0a8e4ac4887897cf053470300816b69f846b051caf7f524c","version":9},{"created_at":"2026-06-04T04:57:31Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"3efbdca7f1676ec317bcc4725baaf049b54342ed3024189caa6562532562f340","version":8}]}