fix

tools.py

@@ -1,4 +1,23 @@
 from langchain.tools import tool
+from typing import Any, Optional
+
+class SmolagentToolWrapper:
+    """Wrapper class to make smolagents tools compatible with LangChain."""
+    
+    def __init__(self, tool: Any):
+        self.tool = tool
+        self.name = tool.name
+        self.description = tool.description
+
+    async def _arun(self, *args: Any, **kwargs: Any) -> Any:
+        """Async run the tool."""
+        if hasattr(self.tool, 'async_run'):
+            return await self.tool.async_run(*args, **kwargs)
+        return await self.tool.run(*args, **kwargs)
+
+    def _run(self, *args: Any, **kwargs: Any) -> Any:
+        """Sync run the tool."""
+        return self.tool.run(*args, **kwargs)
 
 @tool("kate-enhanced-search", parse_docstring=True)
 async def kate_search(