{"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-wilety6o","versions":[{"created_at":"2026-06-04T17:00:47Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.5->100.0)","saved_by":"editor","sha256":"f943bdc189f1e80c7f5cd16bed4f39db98c01b5145b872dd883255a1a10912c8","version":11},{"created_at":"2026-06-04T05:53:57Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.7→91.5 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.5 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"efb9ca161ddf6c5fd9da540e2f2c3366edb8c8ab4fe3fd2c02ccf5712d1580aa","version":10},{"created_at":"2026-06-04T04:58:23Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 44.3→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"de08e9e4a3309c9ebae075d8a02bfa46370e8260e3e4fce44b16e790447574f0","version":9},{"created_at":"2026-06-04T04:58:23Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5c8d394cf780c4e31c120157cb39bf0539b7b9a2f3d72f48462626bc2d2c50fa","version":8}]}