fix: ensure async methods are executable for annotations

lib/crewai/tests/test_project.py

@@ -272,6 +272,99 @@ def another_simple_tool():
     return "Hi!"
 
 
+class TestAsyncDecoratorSupport:
+    """Tests for async method support in @agent, @task decorators."""
+
+    def test_async_agent_memoization(self):
+        """Async agent methods should be properly memoized."""
+
+        class AsyncAgentCrew:
+            call_count = 0
+
+            @agent
+            async def async_agent(self):
+                AsyncAgentCrew.call_count += 1
+                return Agent(
+                    role="Async Agent", goal="Async Goal", backstory="Async Backstory"
+                )
+
+        crew = AsyncAgentCrew()
+        first_call = crew.async_agent()
+        second_call = crew.async_agent()
+
+        assert first_call is second_call, "Async agent memoization failed"
+        assert AsyncAgentCrew.call_count == 1, "Async agent called more than once"
+
+    def test_async_task_memoization(self):
+        """Async task methods should be properly memoized."""
+
+        class AsyncTaskCrew:
+            call_count = 0
+
+            @task
+            async def async_task(self):
+                AsyncTaskCrew.call_count += 1
+                return Task(
+                    description="Async Description", expected_output="Async Output"
+                )
+
+        crew = AsyncTaskCrew()
+        first_call = crew.async_task()
+        second_call = crew.async_task()
+
+        assert first_call is second_call, "Async task memoization failed"
+        assert AsyncTaskCrew.call_count == 1, "Async task called more than once"
+
+    def test_async_task_name_inference(self):
+        """Async task should have name inferred from method name."""
+
+        class AsyncTaskNameCrew:
+            @task
+            async def my_async_task(self):
+                return Task(
+                    description="Async Description", expected_output="Async Output"
+                )
+
+        crew = AsyncTaskNameCrew()
+        task_instance = crew.my_async_task()
+
+        assert task_instance.name == "my_async_task", (
+            "Async task name not inferred correctly"
+        )
+
+    def test_async_agent_returns_agent_not_coroutine(self):
+        """Async agent decorator should return Agent, not coroutine."""
+
+        class AsyncAgentTypeCrew:
+            @agent
+            async def typed_async_agent(self):
+                return Agent(
+                    role="Typed Agent", goal="Typed Goal", backstory="Typed Backstory"
+                )
+
+        crew = AsyncAgentTypeCrew()
+        result = crew.typed_async_agent()
+
+        assert isinstance(result, Agent), (
+            f"Expected Agent, got {type(result).__name__}"
+        )
+
+    def test_async_task_returns_task_not_coroutine(self):
+        """Async task decorator should return Task, not coroutine."""
+
+        class AsyncTaskTypeCrew:
+            @task
+            async def typed_async_task(self):
+                return Task(
+                    description="Typed Description", expected_output="Typed Output"
+                )
+
+        crew = AsyncTaskTypeCrew()
+        result = crew.typed_async_task()
+
+        assert isinstance(result, Task), f"Expected Task, got {type(result).__name__}"
+
+
 def test_internal_crew_with_mcp():
     from crewai_tools.adapters.tool_collection import ToolCollection