{"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-jmjwacgx","versions":[{"created_at":"2026-06-04T16:59:24Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"c7b49917a64b1486b60c88a30b1a7bf83ebdb09a476128a3d6e9fa5bdd9d6825","version":11},{"created_at":"2026-06-04T05:53:01Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"fac968ed8fbf17fc6a1df05a4eafa03fd29e1b17b0c2aa63d2c1e8f5129475b7","version":10},{"created_at":"2026-06-04T04:58:55Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.8→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"42d6a5628959c5b6e9ac133ff3bf05c3b356dbcce48668d14b89f3f0158bb9fa","version":9},{"created_at":"2026-06-04T04:58:55Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ec8fd8a94b5528fb60dfc5c5b4d8468215594c521549f4f09a0735b751b10e21","version":8}]}