{"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-2-qicujlqr","versions":[{"created_at":"2026-06-04T17:00:25Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (91.0->95.7)","saved_by":"editor","sha256":"9371b5882cbdaf836f48c10a7f04d867b78eaba0d1d4821ddc83a25c0fac5e9a","version":11},{"created_at":"2026-06-04T05:56:05Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 91.0→91.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"ef9f0868e83b91824347f05a05870258780bd88fb0c2a082e0ab2d6afb0e8ed2","version":10},{"created_at":"2026-06-04T04:54:41Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 65.6→91.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"dbe66a7ba8b7053b407375f22c110292b149bd551fa3ac0760fbefb22c1d4b31","version":9},{"created_at":"2026-06-04T04:54:41Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6c5b59b010163217fdb7d06591ece4876d60be5685790e1481b02db5004b13b5","version":8}]}