{"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-ens3uxyd","versions":[{"created_at":"2026-06-10T22:57:26Z","element_count":85,"note":"legacy fix: 平屋floors2→1 / rooms設備語除去 / jpy77508285→quote23910325 (旧世代データ是正・実験済u-house-890wnsao・rollback=m5:legacy_fix_rollback.jsonl)","saved_by":"mcp","sha256":"95de1b6f7a1d506a12893ec906379ae0abdd8fe4fb40851c9a67d88b347cc01e","version":10},{"created_at":"2026-06-10T22:02:00Z","element_count":59,"note":"revert: houki rescan NG -> restore pre-polish elements (M5 2026-06-11)","saved_by":"mcp","sha256":"3b8e59e1e1e404e700dc1bede89f66f0a8f0a8c234ae476189c09abcb07c22ea","version":4},{"created_at":"2026-06-10T19:18:28Z","element_count":85,"note":"5軸GA polish 60->97 by M5 (autonomous)","saved_by":"mcp","sha256":"0cb6ea9b8ea3188af93277dcef79f03870cbf87129feab07aedfeeb34ede8ba7","version":2}]}