{"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-g2-p9uth8n1","versions":[{"created_at":"2026-06-04T17:00:44Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.8->98.9)","saved_by":"editor","sha256":"c594960b966b7190ca420dcefd9acbe979b115cb9227f2ce290441ff08152fbd","version":5},{"created_at":"2026-06-04T05:53:52Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.8→93.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b1f235ee06b5a1d19efd890e721f758b371e819f4db702b2558c7678e28b1ab4","version":4},{"created_at":"2026-06-04T04:55:29Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 61.3→93.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c7345556ee1d96356c12d3b74b9570000155495d8a0d1d1e968c651c69cba5cc","version":3},{"created_at":"2026-06-04T04:55:29Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"2152a32da2b7f32aa849ffd1ebd44ecd749c5b3cdf91dd2159699c9349de7064","version":2}]}