Added web agent

sia/command.py

@@ -1,9 +1,8 @@
 from abc import ABC, abstractmethod
 from typing import TYPE_CHECKING
 
-if TYPE_CHECKING:
-    from .working_memory import WorkingMemory
-    from .command_result import CommandResult
+from .working_memory import WorkingMemory
+from .command_result import CommandResult
 
 class Command(ABC):
     """
@@ -12,7 +11,7 @@ class Command(ABC):
     """
     
     @abstractmethod
-    def execute(self, memory: 'WorkingMemory') -> 'CommandResult':
+    def execute(self, memory: WorkingMemory) -> CommandResult:
         """
         Execute the command on the given working memory.