generic action handler

apps/cubes/cube.py

@@ -20,10 +20,15 @@ class AqaraCube(Mqtt):
         if action == '':
             return
         elif (handler := getattr(self, f'handle_{action}', None)):
+            if (arg := self.args.get(action, None)) is not None:
+                self.action_handler(action_description=arg)
             handler(payload)
         else:
             self.log(f'Unhandled cube action: {action}')
 
+    def action_handler(self, action_description):
+        self.log(f'{self.args["cube"]}: generic action handler: {action_description}')
+
     def handle_rotate_right(self, payload):
         self.log(f'{self.args["cube"]}: Rotate right')