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

scratch/check_db_stats_table.py

@@ -0,0 +1,34 @@
+import sys
+sys.path.insert(0, '/home/hoon/kis_bot')
+from database import TradeDB
+
+db = TradeDB()
+tables = [
+    'trade_history', 
+    'ws_ticks', 'ws_candles', 'ws_orderbook', 'kis_ws_orderbook',
+    'ls_ws_ticks', 'ls_ws_candles', 'ls_ws_orderbook'
+]
+
+print("| 증권사 | 데이터 유형 | 테이블명 | 현재 적재 건수 |")
+print("|---|---|---|---|")
+
+for t in tables:
+    try:
+        count = db.conn.execute(f"SELECT COUNT(*) FROM {t}").fetchone()[0]
+        
+        broker = "공통"
+        if "ls_" in t:
+            broker = "LS증권"
+        elif "kis_" in t or t in ['ws_ticks', 'ws_candles', 'ws_orderbook']:
+            broker = "한국투자증권(KIS) / 키움"
+            
+        data_type = "매매내역"
+        if "tick" in t: data_type = "실시간 체결 틱"
+        elif "candle" in t: data_type = "실시간 캔들 (분봉)"
+        elif "orderbook" in t: data_type = "호가 스냅샷 (Orderbook)"
+        
+        print(f"| {broker} | {data_type} | `{t}` | {count:,} 건 |")
+    except Exception as e:
+        print(f"| - | - | `{t}` | 에러: {e} |")
+
+db.close()