{"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-gabytljh","versions":[{"created_at":"2026-06-04T17:00:25Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"198879a31f5722f4149c0a63552a513cc25664cb92774511ca61990443126abe","version":11},{"created_at":"2026-06-04T05:54:46Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"f2d4aafa63da2c83601b175e8ea944eb5a281e4bfe439b93ad4b97e00ebb8c64","version":10},{"created_at":"2026-06-04T04:58:56Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 38.8→93.6 (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 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"47c7f91f1d936ed70053f6747fb9630931cbebc1a4203e598e1f0367366011f1","version":9},{"created_at":"2026-06-04T04:58:56Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"13a4f42d0cf0b20e4bf936cb0bb72c089de1291bbc886d7ef9d25cc4f90d0d62","version":8}]}