fix: update overseas news API url and key mapping

stock-lab/app/scraper.py

@@ -80,7 +80,7 @@ def fetch_overseas_news() -> List[Dict[str, str]]:
     """
     네이버 금융 해외증시 뉴스 크롤링 (모바일 API 사용)
     """
-    api_url = "https://m.stock.naver.com/api/news/list/global?pageSize=20&page=1"
+    api_url = "https://api.stock.naver.com/news/overseas/category/breaking?pageSize=20&page=1"
     try:
         headers = {
             "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)"
@@ -96,9 +96,10 @@ def fetch_overseas_news() -> List[Dict[str, str]]:
         
         articles = []
         for item in items:
-            title = item.get("subject", "")
-            summary = item.get("summary", "")
-            press = item.get("officeName", "")
+            # API 키 매핑 (subject/title/tit, summary/subContent/sub_tit 등)
+            title = item.get("subject") or item.get("title") or item.get("tit") or ""
+            summary = item.get("summary") or item.get("subContent") or item.get("sub_tit") or ""
+            press = item.get("officeName") or item.get("office_name") or item.get("cp_name") or ""
             
             # 날짜 포맷팅 (20260126123000 -> 2026-01-26 12:30:00)
             raw_dt = str(item.get("dt", ""))