{"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-vm8i9lrr","versions":[{"created_at":"2026-06-04T17:01:32Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.4->98.3)","saved_by":"editor","sha256":"9a1a27d413576cf4b64b9a59c1ebeaab2a54a554b3a294225d159de3397af270","version":12},{"created_at":"2026-06-04T14:56:56Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.3->90.4)","saved_by":"editor","sha256":"d744cb2384ad7b21f6008d17f9fbda143cdb0df3f1d0913391ed43def07d8cd7","version":11},{"created_at":"2026-06-04T05:50:47Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.3 (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 90.3 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"8abe9c7825face81999256c904c257eb0ba1ecd36501667b03f32be7436804c8","version":10},{"created_at":"2026-06-04T04:57:52Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 45.8→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b0300011392c225128ae59a01c8eba0ce67ab5de66834ae711767934434296a6","version":9},{"created_at":"2026-06-04T04:57:52Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"492e1f88dd5ba3a4a6cf54dc2b06d9d860170c11d4f40d59a154875474d9cbde","version":8}]}