{"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-s3qsxcey","versions":[{"created_at":"2026-06-04T17:00:49Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.5->98.2)","saved_by":"editor","sha256":"13e863a64381accc62557835def36101b100dbd6d6a1e2e15a89a16f13b1e6b0","version":6},{"created_at":"2026-06-04T14:57:04Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.5->90.5)","saved_by":"editor","sha256":"cc0ba372b470f2c65d40be2defdfedd46a2bae77aabd135fdac65f7f53ae9489","version":5},{"created_at":"2026-06-04T05:49:45Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.8→90.5 (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 90.5 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"5197e9a90a240453e522d4262ac59a012c479f0426aa43bd2c958bad63c08682","version":4},{"created_at":"2026-06-04T04:58:08Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 45.3→99.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"b93c270873fa35654864cd1a80ec9723ec1fb4144dbe5fbbd11e2a21f1d8df81","version":3},{"created_at":"2026-06-04T04:58:08Z","element_count":52,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6002a3be1db495eab2202f47bb4f7d3496268b19c3b54d133c17935d9515531c","version":2}]}