{"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-house-a8cmxzg9","versions":[{"created_at":"2026-06-04T16:59:28Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.6->95.6)","saved_by":"editor","sha256":"242cd0eeb87e3aad002925759713adafb3ed304b4606fc3c5c6bc9dbeaefb8de","version":12},{"created_at":"2026-06-04T05:56:10Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 90.6→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"b998e03c30ed54f70237bca35a6f6f9d0fb24a05d61f3f3af5a5bdca571ab58a","version":11},{"created_at":"2026-06-04T05:03:50Z","element_count":70,"note":"GA batch-improve pass2 2026-06-04: 総合 89.9→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"64561a3e8558748e4b66e676a263b3119dc388d67ae710b904f6d65a5201d73b","version":10},{"created_at":"2026-06-04T04:54:46Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 65.3→89.9 (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 89.9 (美 94 環 97 楽 100))","saved_by":"editor","sha256":"f111c1065c758ee42cb085e0c8d831b090c50b53de313c8dd38471fb66770d0c","version":9},{"created_at":"2026-06-04T04:54:46Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5042fa7c39d747806e2397c1a499ac95125edea7eecb78b16825591c2c53e2cb","version":8}]}