Settings Feature Enhancement

Nucleic-Session: 89BFAB13-D559-43FC-BE28-0B2639BECF0F
Co-authored-by: Nucleic <[email protected]>

NucleicRemote/NucleicRemote/Models/RemoteStore.swift

@@ -554,6 +554,13 @@ final class RemoteStore: ObservableObject {
             self?.tailnetStatus = status
             self?.tailnetLoginURL = loginURL
         }
+        cb.pairingCodeReceived = { [weak self] qr in
+            guard let self else { return }
+            // Only apply while a request is outstanding — ignore a late reply after the user
+            // dismissed the sheet (we already told the host to cancel).
+            guard case .requesting = self.addDevice else { return }
+            self.addDevice = qr.map(AddDeviceState.ready) ?? .unavailable
+        }
         return cb
     }