One error more forwarded to the front-end.

src/rust/src/bridge_commands.rs

@@ -14,6 +14,8 @@ unsafe fn send_cmd(
         }
         Err(err) => {
             println!("rust: command_tx.send {err}");
+            //crate::core::purple_error(account, 0 /* PURPLE_CONNECTION_ERROR_NETWORK_ERROR */ , format!("Error sending command to the rust runtime: {err:?}"));
+            // TODO: can we call purple_error directly as this is executed in the main glib thread?
         }
     }
 }

src/rust/src/core.rs

@@ -89,7 +89,7 @@ async fn run<C: presage::store::Store + 'static>(
                         crate::bridge::append_message(&message);
                     }
                     Err(err) => {
-                        purple_error(account, 16, format!("Error linking device: {err:?}"));
+                        crate::core::purple_error(account, 2 /* PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED */, format!("Error linking device: {err:?}"));
                     }
                 }
             })