{"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-nfpzlrju","versions":[{"created_at":"2026-06-04T16:59:27Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (91.2->100.0)","saved_by":"editor","sha256":"d141e1946b9330708ffc8e89c049f459e83fe439ccece066a413f4df1df31337","version":12},{"created_at":"2026-06-04T14:57:04Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.8->91.2)","saved_by":"editor","sha256":"5c73da313d631fbfe1d12ba87beef36768fa0a9cf0f60d1be38c8d7c51cc6d32","version":11},{"created_at":"2026-06-04T05:55:14Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.5→90.8 (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 90.8 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"35a27f7a9749d9decc43b30ded917fed302637356829c0ec39bafeab99b2452e","version":10},{"created_at":"2026-06-04T04:59:00Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.7→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"438b5f9bd05d30613057e5b843957c1f67ae49d5b8df2d2d2c819dbe4123ee12","version":9},{"created_at":"2026-06-04T04:59:00Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f0c6f05ffadfa1b70d2d9334bdd1774486894b1a5b5379a4f1d576df97edfa04","version":8}]}