basic nav status counts

maildir_gtd/actions/previous.py

@@ -14,10 +14,9 @@ def action_previous(app) -> None:
             envelopes = json.loads(result.stdout)
             ids = sorted((int(envelope['id']) for envelope in envelopes), reverse=True)
             for envelope_id in ids:
-                if envelope_id < app.current_message_id:
+                if envelope_id < int(app.current_message_id):
                     app.current_message_id = envelope_id
                     app.show_message(app.current_message_id)
-                    app.show_status(f"Showing previous message: {app.current_message_id}")
                     return
             app.show_status("No older messages found.", severity="warning")
         else: