Disable start button if profiles is empty on macOS

ApplicationLibrary/Views/Dashboard/ActiveDashboardView.swift

@@ -120,8 +120,10 @@ public struct ActiveDashboardView: View {
 
             } catch {
                 alert = Alert(error)
+                return
             }
         }
+        environments.emptyProfiles = profileList.isEmpty
     }
 
     private nonisolated func doReloadSystemProxy() async {

ApplicationLibrary/Views/Dashboard/StartStopButton.swift

@@ -36,6 +36,7 @@ public struct StartStopButton: View {
                 #endif
             }
         }
+        .disabled(environments.emptyProfiles)
     }
 
     private struct Button0: View {

ApplicationLibrary/Views/Profile/ProfileView.swift

@@ -207,6 +207,7 @@ public struct ProfileView: View {
                 return
             }
         }
+        environments.emptyProfiles = profileList.isEmpty
     }
 
     private func updateProfile(_ profile: Profile) async {
@@ -254,6 +255,7 @@ public struct ProfileView: View {
             profileList[index].origin
         }
         profileList.remove(atOffsets: profileIndex)
+        environments.emptyProfiles = profileList.isEmpty
         Task {
             do {
                 _ = try await ProfileManager.delete(profileToDelete)

Library/Network/ExtensionEnvironments.swift

@@ -5,6 +5,7 @@ public class ExtensionEnvironments: ObservableObject {
     @Published public var logClient = CommandClient(.log)
     @Published public var extensionProfileLoading = true
     @Published public var extensionProfile: ExtensionProfile?
+    @Published public var emptyProfiles = false
 
     public let profileUpdate = ObjectWillChangePublisher()
     public let selectedProfileUpdate = ObjectWillChangePublisher()

Library/Network/ExtensionProvider.swift

@@ -77,11 +77,11 @@ open class ExtensionProvider: NEPacketTunnelProvider {
         do {
             profile = try await ProfileManager.get(Int64(SharedPreferences.selectedProfileID.get()))
         } catch {
-            writeFatalError("(packet-tunnel) error: missing default profile: \(error.localizedDescription)")
+            writeFatalError("(packet-tunnel) error: read selected profile: \(error.localizedDescription)")
             return
         }
         guard let profile else {
-            writeFatalError("(packet-tunnel) error: missing default profile")
+            writeFatalError("(packet-tunnel) error: missing selected profile")
             return
         }
         let configContent: String