Update backtest_engine.py

backtest_engine.py

@@ -28,7 +28,7 @@ class HeavyDutyBacktester:
         self.dm = data_manager
         self.proc = processor
         self.GRID_DENSITY = 5 
-        self.BACKTEST_DAYS = 14 
+        self.BACKTEST_DAYS = 7
         
         # 💰 إعدادات التوأم الرقمي
         self.INITIAL_CAPITAL = 10.0