fix(law_monitor): API 에러 응답 로깅 추가 — 인증 실패 시 조용히 넘어가던 문제

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

scripts/law_monitor.py

@@ -64,11 +64,16 @@ def fetch_law_info(law_oc: str, law_id: str) -> dict | None:
         resp = requests.get(url, params=params, timeout=30)
         resp.raise_for_status()
         data = resp.json()
+        # API 에러 응답 감지
+        if "result" in data and "실패" in str(data.get("result", "")):
+            logger.error(f"법령 API 에러 [{law_id}]: {data.get('result')} — {data.get('msg')}")
+            return None
         if "LawSearch" in data and "law" in data["LawSearch"]:
             laws = data["LawSearch"]["law"]
             if isinstance(laws, list):
                 return laws[0] if laws else None
             return laws
+        logger.warning(f"법령 응답에 데이터 없음 [{law_id}]: {list(data.keys())}")
         return None
     except Exception as e:
         logger.error(f"법령 조회 실패 [{law_id}]: {e}")