Issue #6: Always reflect current state of NEDNSSettingsManager.

dns/HomeView.swift

@@ -3,6 +3,9 @@ import SwiftUI
 
 struct HomeView: View {
 
+    @Environment(\.scenePhase)
+    private var scenePhase
+
     @EnvironmentObject
     private var viewModel: ViewModel
 
@@ -204,6 +207,13 @@ struct HomeView: View {
             }
             .navigationTitle(ViewModel.title)
             .animation(.default, value: viewModel.isDnsEnabled)
+            .onChange(of: scenePhase) { _, newPhase in
+                if newPhase == .active {
+                    Task {
+                        await viewModel.refreshConfig()
+                    }
+                }
+            }
         }
     }
 }

dns/ViewModel.swift

@@ -53,6 +53,18 @@ class ViewModel: NSObject, ObservableObject {
         super.init()
 
         Task {
+            await refreshConfig()
+        }
+
+        Task {
+            await fetchServerStatus()
+        }
+    }
+
+
+    // MARK: Public Methods
+
+    func refreshConfig() async {
         do {
             try await manager.loadFromPreferences()
         }
@@ -79,14 +91,6 @@ class ViewModel: NSObject, ObservableObject {
         }
     }
 
-        Task {
-            await fetchServerStatus()
-        }
-    }
-
-
-    // MARK: Public Methods
-
     func fetchServerStatus() async {
         do {
             let (data, _) = try await URLSession.shared.data(for: .init(url: .init(string: "https://status.sr2.uk/index.json")!))