Refactor to MVVM architecture

ApplicationLibrary/Views/Dashboard/ClashModeViewModel.swift

@@ -0,0 +1,50 @@
+import Libbox
+import Library
+import SwiftUI
+
+@MainActor
+final class ClashModeViewModel: ObservableObject {
+    @Published var clashMode = ""
+    @Published var alert: Alert?
+
+    private let commandClient = CommandClient(.clashMode)
+
+    var clashModeList: [String] {
+        commandClient.clashModeList
+    }
+
+    var shouldShowPicker: Bool {
+        commandClient.clashModeList.count > 1
+    }
+
+    init() {
+        commandClient.$clashMode
+            .assign(to: &$clashMode)
+    }
+
+    func connect() {
+        commandClient.connect()
+    }
+
+    func disconnect() {
+        commandClient.disconnect()
+    }
+
+    func handleScenePhase(_ phase: ScenePhase) {
+        if phase == .active {
+            connect()
+        } else {
+            disconnect()
+        }
+    }
+
+    nonisolated func setClashMode(_ newMode: String) async {
+        do {
+            try LibboxNewStandaloneCommandClient()!.setClashMode(newMode)
+        } catch {
+            await MainActor.run {
+                alert = Alert(error)
+            }
+        }
+    }
+}