{"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-ahsllelb","versions":[{"created_at":"2026-06-10T23:35:25Z","element_count":77,"note":"legacy fix(polish再汚染): 平屋floors2→1 / jpy102533759→quote20018747 (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":"951dd40e65135dbf54fda34b915f0943e8ddbd0d40d07f2189a94e2664e0828e","version":12},{"created_at":"2026-06-10T23:08:09Z","element_count":72,"note":"5軸GA polish 61->97 by M5 (autonomous)","saved_by":"mcp","sha256":"40fcf23793b1d02e62f621f52cf622d8db4f96df01a151b4f249754cfa102268","version":9},{"created_at":"2026-06-10T23:07:24Z","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":"4f73f5163093166d48f623c963f368fd3bf41f1fa49243ec948106a17ed0100e","version":8}]}