{"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-g4-kej63s0b","versions":[{"created_at":"2026-06-04T17:00:28Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.1->99.2)","saved_by":"editor","sha256":"991b28ab24401d2fbe5a03f284888c7fb940dd2cee6f9bee81525bd9ed81be2a","version":6},{"created_at":"2026-06-04T07:22:24Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.0→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"701792da3714caf5eb74c41606531dbd7f705e22df164775a6caf3d5a4ae2fec","version":5},{"created_at":"2026-06-04T05:53:42Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.1→93.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.0 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"a830b7a9e4717fef4355cbc2be68bf37b28ca04f5b214222c2d835134619d272","version":4},{"created_at":"2026-06-04T04:55:33Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 61.0→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0d88a3c5f0e28018b621633be5f8794efe1c79f068f77f4b170ad9463c1b791d","version":3},{"created_at":"2026-06-04T04:55:32Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"41626bf2390b6554953e8c2b23d27a9bc51ef39f363a80506fd90d95e390bf5f","version":2}]}