{"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-rc-wyfeikqn","versions":[{"created_at":"2026-06-04T17:01:05Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"9c5ce684c04b359cbb5e8d8a2364cd36a77270db81420e02ddaebf030b7bf25a","version":6},{"created_at":"2026-06-04T07:22:15Z","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":"0206066548648ebbc76e051f6da34e49e9bf64d4063cfd418dc6971ec501118b","version":5},{"created_at":"2026-06-04T05:54:43Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 93.6→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":"9aa1e6aa54b95bf885943b674107438872ff08ea4a1f9acc326d2625ef1ffd46","version":4},{"created_at":"2026-06-04T04:57:48Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 46.0→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":"f0e1f4db232e398d49eb947d253249e88536e4cd73036cc3c70a454b2237cd25","version":3},{"created_at":"2026-06-04T04:57:48Z","element_count":26,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"dd658ec1e4d4b95bb5ea43d9b38d669a9ee456c1e017ebcc34947ec4f52cf56b","version":2}]}