added serilatsation

src/aiia/model/config.py

@@ -40,14 +40,27 @@ class AIIAConfig:
             raise ValueError(f"Invalid activation function: {value}. Choose from: {', '.join(valid_funcs)}")
         self._activation_function = value
 
+    def to_dict(self):
+        # Recursively converts the object's attributes into serializable Python types.
+        def serialize(value):
+            if hasattr(value, "to_dict"):
+                return value.to_dict()
+            elif isinstance(value, list):
+                return [serialize(item) for item in value]
+            elif isinstance(value, dict):
+                return {k: serialize(v) for k, v in value.items()}
+            return value
+        return {k: serialize(v) for k, v in self.__dict__.items()}
+
     def save(self, file_path):
         if not os.path.exists(file_path):
             os.makedirs(file_path, exist_ok=True)
-        with open(f"{file_path}/config.json", 'w') as f:
+        with open(os.path.join(file_path, "config.json"), "w") as f:
-            json.dump(vars(self), f, indent=4)
+            # Save the recursively converted dictionary.
+            json.dump(self.to_dict(), f, indent=4)
 
     @classmethod
     def load(cls, file_path):
-        with open(f"{file_path}/config.json", 'r') as f:
+        with open(os.path.join(file_path, "config.json"), "r") as f:
             config_dict = json.load(f)
         return cls(**config_dict)