feat: Add 7% stop loss mechanism to DynamicStrategy

src/pages/backtesting/backtesting_page.py

@@ -95,6 +95,18 @@ class DynamicStrategy(Strategy):
     def next(self):
         price = self.data.Close[-1]
         
+        # Check stop loss for existing position
+        if self.position:
+            # Calculate the percentage loss from entry
+            entry_price = self.position.entry_price
+            current_loss = ((price - entry_price) / entry_price) * 100
+            
+            # If loss exceeds 7%, close the position
+            if current_loss < -7:
+                print(f"Stop loss triggered - Loss: {current_loss:.2f}%")
+                self.position.close()
+                return  # Exit the method to prevent new entries on the same candle
+        
         # Debug current price and position
         if len(self.data.Close) % 20 == 0:  # Log every 20th candle to avoid spam
             print(f"Current price: {price}, Has position: {bool(self.position)}")