update _default folder

alab_management/_default/devices/default_device.py

@@ -56,7 +56,7 @@ def is_running(self):
         """
         Check if the device is running.
 
-        Returns:
+        Returns
         -------
             bool: True if the device is running, False otherwise.
         """

alab_management/_default/tasks/default_task.py

@@ -12,6 +12,13 @@ def __init__(self, sample: ObjectId, *args, **kwargs):
         self.sample = sample
 
     def run(self):
+        """
+        The main logic of the task.
+
+        You can request resources, move samples, and communicate with devices in this method.
+        Finally, the return value of this method will be stored as the result of the task (valiated
+        by `result_specification`).
+        """
         with self.lab_view.request_resources({None: {"DefaultSamplePosition": 1}}) as (
             _,
             sample_positions,
@@ -31,4 +38,17 @@ def validate(self) -> bool:
 
     @property
     def result_specification(self) -> type[BaseModel]:
-        pass
+        """
+        The result specification of the task.
+
+        The method should return a pydantic model that defines the result of the task. The result
+        will be validated using the result_specification.
+        """
+
+        class DefaultTaskResult(BaseModel):
+            """The result of the default task."""
+
+            mass: float
+            temperature: float
+
+        return DefaultTaskResult