fix: allow CrewStructuredTool to be used with Task's tools parameter

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/tools/test_task_with_structured_tool.py

@@ -0,0 +1,62 @@
+import pytest
+from pydantic import BaseModel, Field
+
+from crewai.task import Task
+from crewai.tools.structured_tool import CrewStructuredTool
+
+
+@pytest.fixture
+def simple_tool_function():
+    def test_func(param1: str, param2: int = 0) -> str:
+        """Test function with basic params."""
+        return f"{param1} {param2}"
+
+    return test_func
+
+
+def test_task_with_structured_tool(simple_tool_function):
+    """Test that CrewStructuredTool can be used directly with Task."""
+    tool = CrewStructuredTool.from_function(
+        func=simple_tool_function,
+        name="test_tool",
+        description="Test tool description"
+    )
+    
+    task = Task(
+        description="Test task description",
+        expected_output="Expected output",
+        tools=[tool]
+    )
+    
+    assert len(task.tools) == 1
+    assert task.tools[0] == tool
+
+
+def test_mixed_tool_types(simple_tool_function):
+    """Test that both BaseTool and CrewStructuredTool can be used together with Task."""
+    from crewai.tools import BaseTool
+    
+    structured_tool = CrewStructuredTool.from_function(
+        func=simple_tool_function,
+        name="structured_tool",
+        description="Structured tool description"
+    )
+    
+    class TestBaseTool(BaseTool):
+        name: str = "base_tool"
+        description: str = "Base tool description"
+        
+        def _run(self, query: str) -> str:
+            return f"Result for {query}"
+    
+    base_tool = TestBaseTool()
+    
+    task = Task(
+        description="Test task description",
+        expected_output="Expected output",
+        tools=[structured_tool, base_tool]
+    )
+    
+    assert len(task.tools) == 2
+    assert task.tools[0] == structured_tool
+    assert isinstance(task.tools[1], BaseTool)