{"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-ct1mv25p","versions":[{"created_at":"2026-06-04T16:59:31Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.5->98.6)","saved_by":"editor","sha256":"448604dfcfaaae405da0e185f23884badf5d7f49e0dc168a093991f27299601b","version":11},{"created_at":"2026-06-04T05:55:16Z","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":"aa8d3478202c9dc1f375d00e4a0099bf700456b3b2681a1f675954e93e1bf66e","version":10},{"created_at":"2026-06-04T04:53:29Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 70.0→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":"5455fb20ea9362100367b1a789e673be04e58cd7ddc9f0528ee5377c1aa7cbae","version":9},{"created_at":"2026-06-04T04:53:29Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"cf5f050fe7350989c66edc49be94480270b5999f70061fb891a12c81b2a3506f","version":8}]}