{"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-g0-3bb74w3p","versions":[{"created_at":"2026-06-04T16:59:33Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"dc29670af1b5f50a316bf9ef6e9a940877074be56c15f43249b7d47681f511e8","version":6},{"created_at":"2026-06-04T14:56:50Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.9->92.4)","saved_by":"editor","sha256":"e4447a4c773f08291a2a21904caf09750e1f065a05eee0e0eedb839f35e7cfc8","version":5},{"created_at":"2026-06-04T05:54:44Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 93.6→91.9 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 91.9 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"6b895b69f83aab183b2d261be94d7ed8511b87b6e9a4de562f223b9f3ad6ee21","version":4},{"created_at":"2026-06-04T04:59:28Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 35.7→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":"33e8457a33afe84bdeeccdac301457169323f7d1e96ca1b0479948029aa2e6b4","version":3},{"created_at":"2026-06-04T04:59:28Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5a3fd039c274af3ea06671efd4d7e6f37e759c9d6ca0547f73bbe6bd2596c907","version":2}]}