{"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-mut-0jy0sikr","versions":[{"created_at":"2026-06-04T07:22:22Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.6→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":"c80f910dbbdf3a0bd88449a34d1d845d67789c2b918efa761e7f332fb2d06a98","version":5},{"created_at":"2026-06-04T05:53:25Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.6→93.6 (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 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"f3588b424d325b7eaca2b317b55e4c37802dda7e1f4ea833210f9c91410322d5","version":4},{"created_at":"2026-06-04T04:59:45Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 9.0→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":"e0ac60d63ba2c9f5427b9b3bcce8ebe900725b35e308708c71302bf9093559f0","version":3},{"created_at":"2026-06-04T04:59:45Z","element_count":50,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"fde23bf103049164845a5a461831b209875fde9a572677a2d0ad60004a032224","version":2}]}