feat(Core/UI): 백테스트 전역 엔진 선택 버튼 추가 및 스캘핑 Rust 방어로직 포팅 1차 완료

scratch/check_db_cols.py

@@ -0,0 +1,21 @@
+import sys
+import os
+sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/..')
+from database import TradeDB
+
+db = TradeDB()
+try:
+    tables = [
+        "ls_ws_ticks", "ls_ws_orderbook", "ws_orderbooks", 
+        "target_candidates", "target_candidates_ls"
+    ]
+    
+    for tbl in tables:
+        try:
+            cols = [dict(r)["Field"] for r in db.conn.execute(f"SHOW COLUMNS FROM {tbl}").fetchall()]
+            print(f"{tbl} cols: {cols}")
+        except Exception as e:
+            print(f"Error getting cols for {tbl}: {e}")
+            
+finally:
+    db.close()