{"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-g0-qy2ltrlg","versions":[{"created_at":"2026-06-04T17:00:45Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.5->98.6)","saved_by":"editor","sha256":"0bdef245e1633a6cda590fec5e1c794c6cd7156e5c4193b5c9d7d2493e23dc4f","version":5},{"created_at":"2026-06-04T05:55:15Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9cf4136c0567791eefbea11a39400d44780278a465b8ed8c7e49ac3aaab9b60e","version":4},{"created_at":"2026-06-04T04:55:33Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 60.9→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"99e3872acca246d6273161aeca1c2fed84cce6d72da344ce754952656b5c624d","version":3},{"created_at":"2026-06-04T04:55:33Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"538545961df0581769b1accd1a291cab2c92d262d3ef8355c41c05367deacf01","version":2}]}