exception decorator and mail send for errors and changes to rec state checker

backend/recorder_adapters/__init__.py

@@ -104,6 +104,9 @@ class RecorderAdapter:
     def is_recording(self) -> bool:
         pass
 
+    def get_recording_status(self) -> str:
+        pass
+
 
 def get_defined_recorder_adapters():
     models = []