Settings Feature Enhancement

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

NucleicRemote/NucleicRemote/Models/RemoteStore.swift

@@ -807,13 +807,25 @@ final class RemoteStore: ObservableObject {
     }
 
     /// The user dismissed the "add a device" sheet — tell the minting Mac to close its pairing
-    /// window (retire the one-time secret) and reset to idle.
+    /// window (retire the one-time secret) and reset to idle. Any Mac-join awaiting approval is
+    /// abandoned here too; the host fails it closed when its pairing window shuts.
     func cancelPairingCode() {
         if !demoMode, let id = pairingMintHostID { connections[id]?.send(.cancelPairingCode) }
         pairingMintHostID = nil
+        pendingMacPairRequest = nil
+        pendingMacPairHostID = nil
         addDevice = .idle
     }
 
+    /// Approve or deny a Mac joining via a code this phone shared (the forwarded confirm). Routes
+    /// the answer to the Mac that forwarded it and clears the prompt optimistically.
+    func respondMacPair(_ approve: Bool) {
+        guard let req = pendingMacPairRequest else { return }
+        if let id = pendingMacPairHostID { connections[id]?.send(.respondMacPair(req.deviceID, approve)) }
+        pendingMacPairRequest = nil
+        pendingMacPairHostID = nil
+    }
+
     /// A stand-in join code for the offline demo so the QR/copy sheet renders without a Mac.
     private static let demoPairingCode = "nucleic://pair?d=demo"