fix: fix to_dict to handle new armor system fields

- Properly serialize current_armor_protection (ProtectionProfile)
- Properly serialize current_armor_pieces (list of ArmorPiece)
- Convert Decimals to strings for JSON serialization

ui/loadout_manager.py

@@ -313,10 +313,33 @@ class LoadoutConfig:
 
     def to_dict(self) -> dict:
         """Convert to dictionary for JSON serialization."""
-        data = {
-            k: str(v) if isinstance(v, Decimal) else v
-            for k, v in asdict(self).items()
-        }
+        from dataclasses import asdict
+        
+        # Start with basic fields, excluding complex objects
+        data = {}
+        
+        # Handle simple fields
+        for k, v in self.__dict__.items():
+            if k in ('current_armor_protection', 'current_armor_pieces', 'equipped_armor', 
+                     'weapon_amplifier', 'weapon_scope', 'weapon_absorber', 'weapon_enhancers',
+                     'armor_plates', 'enhancers'):
+                continue  # Handle these separately
+            
+            if isinstance(v, Decimal):
+                data[k] = str(v)
+            elif isinstance(v, ProtectionProfile):
+                data[k] = v.to_dict()
+            else:
+                data[k] = v
+        
+        # Handle new armor system
+        if hasattr(self, 'current_armor_protection') and self.current_armor_protection:
+            data['current_armor_protection'] = self.current_armor_protection.to_dict()
+        if hasattr(self, 'current_armor_pieces') and self.current_armor_pieces:
+            data['current_armor_pieces'] = [p.to_dict() for p in self.current_armor_pieces]
+        if hasattr(self, 'current_armor_decay') and self.current_armor_decay:
+            data['current_armor_decay'] = str(self.current_armor_decay)
+        
         # Handle attachment configs
         if self.weapon_amplifier:
             data['weapon_amplifier'] = self.weapon_amplifier.to_dict()