tool description fix

Author: okaris

src/inferencesh/models/llm.py

@@ -453,7 +453,14 @@ def build_tools(tools: Optional[List[Dict[str, Any]]]) -> Optional[List[Dict[str
                 }
 
         # Wrap in OpenAI format
-        result.append({"type": "function", "function": func_def})
+        tool_def = {
+            "type": "function",
+            "function": func_def
+        }
+        if "description" in tool_def:
+            tool_def["description"] = tool_def["description"]
+
+        result.append(tool_def)
 
     return result