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

scratch/print_orig_stats.py

@@ -0,0 +1,18 @@
+import os
+import glob
+import json
+
+results_dir = "kis_trader/backtest/results"
+for strat in ["BREAKOUT", "SCALP"]:
+    pattern = f"optuna_{strat.lower()}_fast_20*.json"
+    files = glob.glob(os.path.join(results_dir, pattern))
+    if not files: continue
+    latest_file = max(files, key=os.path.getmtime)
+    with open(latest_file, 'r', encoding='utf-8') as f:
+        data = json.load(f)
+    ws = data.get("whipsaw_recommend", {})
+    if ws.get("ok"):
+        orig = ws.get("orig_stats", {})
+        rec = ws.get("recommended_stats", {})
+        print(f"[{strat}] Original: WinRate {orig.get('win_rate')}% (count: {orig.get('count')}), PnL: {orig.get('pnl')}")
+        print(f"[{strat}] Recommnd: WinRate {rec.get('win_rate')}% (count: {rec.get('count')}), PnL: {rec.get('pnl')}")