{"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-yqadvb6k","versions":[{"created_at":"2026-06-04T17:00:33Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.2->99.6)","saved_by":"editor","sha256":"fe21bf6583087c90d9b9ed47be644061966d0a9930891a5fbd534d98d4ebdf67","version":11},{"created_at":"2026-06-04T05:55:10Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.5→91.2 (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 91.2 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"a54efa52462e872c0946eee6cb6ee7a3392bc050d02ac8f2c06c466a7b287ddf","version":10},{"created_at":"2026-06-04T04:53:54Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 68.3→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":"fac7d4954a58ac6d064c206c0b11b9f6f2632a7c179aa104aa64e0dc4f86e96a","version":9},{"created_at":"2026-06-04T04:53:54Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"bb9aff8a273fbc3b2e8db4f5730632d26754c701c00528684feb9c615edfa2c8","version":8}]}