Feat/claude cua support (#253)

* feat: add claude support

* feat: add script for end-to-end evaluation with logging and task distribution

* feat&fix: add tool result handling and update model default in evaluation script

* chore: remove run_test_env.py script

* feat&fix: implement action parsing for tool calls and update default action space

* fix: update text formatting in action parsing and replace logger import

* feat&fix: implement action parsing for tool calls and add screen size handling

* feat: add setup instructions for Anthropic API integration

* feat: add notice about image size limitations for Anthropic API

* Delete test_env/logger.py

* Delete test_env/utils.py

mm_agents/anthropic/tools/base.py

@@ -0,0 +1,69 @@
+from abc import ABCMeta, abstractmethod
+from dataclasses import dataclass, fields, replace
+from typing import Any, Optional
+
+from anthropic.types.beta import BetaToolUnionParam
+
+
+class BaseAnthropicTool(metaclass=ABCMeta):
+    """Abstract base class for Anthropic-defined tools."""
+
+    @abstractmethod
+    def __call__(self, **kwargs) -> Any:
+        """Executes the tool with the given arguments."""
+        ...
+
+    @abstractmethod
+    def to_params(
+        self,
+    ) -> BetaToolUnionParam:
+        raise NotImplementedError
+
+
+@dataclass(frozen=True) #kw_only=True, 
+class ToolResult:
+    """Represents the result of a tool execution."""
+
+    output: Optional[str] = None
+    error: Optional[str] = None
+    base64_image: Optional[str] = None
+    system: Optional[str] = None
+
+    def __bool__(self):
+        return any(getattr(self, field.name) for field in fields(self))
+
+    def __add__(self, other: "ToolResult"):
+        def combine_fields(
+            field: Optional[str], other_field: Optional[str], concatenate: bool = True
+        ):
+            if field and other_field:
+                if concatenate:
+                    return field + other_field
+                raise ValueError("Cannot combine tool results")
+            return field or other_field
+
+        return ToolResult(
+            output=combine_fields(self.output, other.output),
+            error=combine_fields(self.error, other.error),
+            base64_image=combine_fields(self.base64_image, other.base64_image, False),
+            system=combine_fields(self.system, other.system),
+        )
+
+    def replace(self, **kwargs):
+        """Returns a new ToolResult with the given fields replaced."""
+        return replace(self, **kwargs)
+
+
+class CLIResult(ToolResult):
+    """A ToolResult that can be rendered as a CLI output."""
+
+
+class ToolFailure(ToolResult):
+    """A ToolResult that represents a failure."""
+
+
+class ToolError(Exception):
+    """Raised when a tool encounters an error."""
+
+    def __init__(self, message):
+        self.message = message