{"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-akafus3s","versions":[{"created_at":"2026-06-10T23:35:26Z","element_count":77,"note":"legacy fix(polish再汚染): 平屋floors2→1 / jpy102533759→quote19293329 (旧polishコード再書き込みの再是正・rollback=m5:legacy_fix_rollback.jsonl phase=polish_recontam)","saved_by":"mcp","sha256":"60a934da38e2fa12efd8baa013f98b72d17bf7b49c238ed543a8f18f73a45445","version":12},{"created_at":"2026-06-10T23:07:55Z","element_count":73,"note":"5軸GA polish 60->96 by M5 (autonomous)","saved_by":"mcp","sha256":"3bda3b2df172c660a69d0154e19ea442f044e83a18246bd1e9a4f60f2f77f409","version":9},{"created_at":"2026-06-10T23:07:21Z","element_count":50,"note":"legacy fix: rooms設備語除去 (旧世代データ是正・実験済u-house-890wnsao・rollback=m5:legacy_fix_rollback.jsonl)","saved_by":"mcp","sha256":"c7f53ca2710c05dd02e8ad1d3df28692ea02948e858a4661d97f0a423227b0a1","version":8}]}