{"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-o2hxkhcw","versions":[{"created_at":"2026-06-04T17:00:50Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"80242e2d0d7aacc18c78fa7f2ea27b86325127f1ce6681fb2bc60c59f2f3ca6d","version":12},{"created_at":"2026-06-04T07:22:20Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.6→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":"3db755def025d2536c22e3b9a518d65bf2df8fd98945b6939abe457f96c5d222","version":11},{"created_at":"2026-06-04T05:53:11Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"b1640b860279a05b4aed14a661be03866edcc8e7282f032d49bee119389ba8ec","version":10},{"created_at":"2026-06-04T04:55:44Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 59.5→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":"1003e9554e4dbbfce76e3960250658a5384699fcbccde14d02482b4454dcdee1","version":9},{"created_at":"2026-06-04T04:55:44Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"799db4fb9f70b7db364bb85d15f28c57790010c2c2b19c6d82d40c9633bb99d1","version":8}]}