refactor: enhance Optuna backtesting framework, optimize orderbook filtering, and update database management utilities.

scratch/check_ws_price_validation.py

@@ -0,0 +1,37 @@
+from database import TradeDB
+db = TradeDB()
+try:
+    cols = [dict(r)["Field"] for r in db.conn.execute("SHOW COLUMNS FROM ws_price_validation").fetchall()]
+    print(f"ws_price_validation cols: {cols}")
+
+    sql = """
+    SELECT 
+        code, provider, COUNT(*) as cnt
+    FROM ws_price_validation
+    WHERE DATE(recv_time) = '2026-08-10'
+    GROUP BY code, provider
+    ORDER BY code, provider;
+    """
+    rows = db.conn.execute(sql).fetchall()
+    
+    # 종합
+    sql_total = """
+    SELECT 
+        provider, COUNT(*) as cnt
+    FROM ws_price_validation
+    WHERE DATE(recv_time) = '2026-08-10'
+    GROUP BY provider;
+    """
+    totals = db.conn.execute(sql_total).fetchall()
+    
+    import json
+    print("\n--- By Stock ---")
+    for r in rows:
+        print(json.dumps(dict(r)))
+        
+    print("\n--- Totals ---")
+    for r in totals:
+        print(json.dumps(dict(r)))
+        
+finally:
+    db.close()