Document queued Acaia button actions (#184024)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

homeassistant/components/acaia/button.py

@@ -61,4 +61,5 @@ class AcaiaButton(AcaiaEntity, ButtonEntity):
     @override
     async def async_press(self) -> None:
         """Handle the button press."""
+        # aioacaia queues button commands, so enqueueing cannot fail.
         await self.entity_description.press_fn(self._scale)

homeassistant/components/acaia/quality_scale.yaml

@@ -40,7 +40,9 @@ rules:
   action-exceptions:
     status: exempt
     comment: |
-      No custom actions are defined.
+      Button actions only enqueue commands; aioacaia writes them in a background task,
+      and entities are unavailable while the scale is disconnected, so there is no
+      failure to raise from the action.
   config-entry-unloading: done
   docs-configuration-parameters: done
   docs-installation-parameters: done