Add 'clear' command to BaseTool class

tools/base_tool.py

@@ -1,4 +1,3 @@
-# tools/base_tool.py
 from abc import ABC, abstractmethod
 
 class BaseTool(ABC):
@@ -9,3 +8,7 @@ class BaseTool(ABC):
     @abstractmethod
     def execute(self, function_name, **kwargs):
         pass
+    
+    @abstractmethod
+    def clear(self):
+        raise NotImplementedError("Subclasses should implement this!")