{"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-j3akl15s","versions":[{"created_at":"2026-06-04T16:59:34Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"28fb25bfccb604b6272e8e6992bcaa1c338eb67deb0506e0c43dcb7c680e6a36","version":12},{"created_at":"2026-06-04T14:56:58Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.0->92.4)","saved_by":"editor","sha256":"f967031f1311473d9f8aaf73c9abd232cacaa87325069a6dd58386fa5e79f0ca","version":11},{"created_at":"2026-06-04T05:52:53Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.0 (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 92.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"b00e7a7a437de1fea5132e8b02cc506224fb9cc0115c255cd6f4d3d49b805dce","version":10},{"created_at":"2026-06-04T04:55:35Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 60.8→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":"ab77aa222f529f5a55aef09177685566f7aee1b5992f4be4bb2d847cf8f6d69a","version":9},{"created_at":"2026-06-04T04:55:35Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c3048c5c9b93df2b53a8c3dcdb6ac22a1bb1dd2c4154ce9736752e475a1a2482","version":8}]}