{"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-ykwfie9v","versions":[{"created_at":"2026-06-10T22:52:46Z","element_count":66,"note":"legacy fix: 平屋floors2→1 / rooms設備語除去 / jpy73729440→quote24557037 (旧世代データ是正・実験済u-house-890wnsao・rollback=m5:legacy_fix_rollback.jsonl)","saved_by":"mcp","sha256":"1d4cf8210950c7c2159d3ca1dddfc58cc37aa12afa5367ca649ff68527d16820","version":14},{"created_at":"2026-06-10T22:01:19Z","element_count":47,"note":"revert: houki rescan NG -> restore pre-polish elements (M5 2026-06-11)","saved_by":"mcp","sha256":"bbf049c8d6e94f71d4f9b3541f81d0d6564f7d01f3412b671da499a5f63c2027","version":8},{"created_at":"2026-06-10T15:19:39Z","element_count":83,"note":"5軸GA polish 61->97 by M5 (autonomous)","saved_by":"mcp","sha256":"b0b5065ca2d7f69d9773ac54ade33efb2a3a7f75d9b12f6824771284cb2058bf","version":5}]}