perf: reduce redundant device queries

StikDebug/Features/InstalledApps/InstalledAppsViewModel.swift

@@ -21,6 +21,8 @@ final class InstalledAppsViewModel: ObservableObject {
     private let cacheKeyNonDebuggable = "cachedNonDebuggableApps"
     private let cacheKeySystem = "cachedSystemApps"
     private var cancellables: Set<AnyCancellable> = []
+    private var refreshInProgress = false
+    private var refreshPending = false
 
     init() {
         loadCachedApps()
@@ -32,6 +34,12 @@ final class InstalledAppsViewModel: ObservableObject {
     }
 
     func refreshAppLists() {
+        guard !refreshInProgress else {
+            refreshPending = true
+            return
+        }
+
+        refreshInProgress = true
         isLoading = true
         lastError = nil
 
@@ -47,6 +55,11 @@ final class InstalledAppsViewModel: ObservableObject {
                     debuggable: debuggable,
                     hiddenSystem: hiddenSystem
                 )
+                self.cacheApps(
+                    debuggable: debuggable,
+                    nonDebuggable: classifiedApps.nonDebuggable,
+                    system: classifiedApps.system
+                )
 
                 DispatchQueue.main.async {
                     self.apply(
@@ -54,22 +67,26 @@ final class InstalledAppsViewModel: ObservableObject {
                         nonDebuggable: classifiedApps.nonDebuggable,
                         system: classifiedApps.system
                     )
-                    self.isLoading = false
+                    self.finishRefresh()
-                    self.cacheApps(
-                        debuggable: debuggable,
-                        nonDebuggable: classifiedApps.nonDebuggable,
-                        system: classifiedApps.system
-                    )
                 }
             } catch {
                 DispatchQueue.main.async {
-                    self.isLoading = false
                     self.lastError = error.localizedDescription
+                    self.finishRefresh()
                 }
             }
         }
     }
 
+    private func finishRefresh() {
+        refreshInProgress = false
+        isLoading = false
+
+        guard refreshPending else { return }
+        refreshPending = false
+        refreshAppLists()
+    }
+
     func displayName(for bundleID: String) -> String? {
         debuggableApps[bundleID] ?? systemApps[bundleID] ?? nonDebuggableApps[bundleID]
     }

StikDebug/Views/HomeView.swift

@@ -12,8 +12,6 @@ struct HomeView: View {
     @AppStorage("bundleID") private var bundleID: String = ""
     @AppStorage(UserDefaults.Keys.confirmExternalJITRequests) private var confirmExternalJITRequests = true
 
-    @ObservedObject private var mounting = MountingProgress.shared
-
     @State private var hasAppeared = false
     @State private var pendingJITEnableConfiguration: JITEnableConfiguration?
     @State private var isShowingPairingFilePicker = false
@@ -22,8 +20,6 @@ struct HomeView: View {
     @State private var pendingLiveContainerApp: LiveContainerApp?
     @State private var scriptRunModel: RunJSViewModel?
 
-    private let timer = Timer.publish(every: 1, on: .main, in: .common).autoconnect()
-
     private struct DebugFeedback: Identifiable {
         let id = UUID()
         let message: String
@@ -53,9 +49,6 @@ struct HomeView: View {
         }
         .onAppear(perform: handleAppear)
         .onReceive(NotificationCenter.default.publisher(for: .intentJSScriptReady), perform: handleScriptReadyNotification)
-        .onReceive(timer) { _ in
-            refreshMountStatusIfNeeded()
-        }
         .onOpenURL { url in
             handleExternalURL(url)
         }
@@ -130,7 +123,6 @@ struct HomeView: View {
 
     private func handleAppear() {
         startTunnelInBackground()
-        MountingProgress.shared.checkforMounted()
         hasAppeared = true
 
         if let config = pendingJITEnableConfiguration {
@@ -153,13 +145,6 @@ struct HomeView: View {
         scriptRunModel = model
     }
 
-    private func refreshMountStatusIfNeeded() {
-        guard mounting.mountingThread == nil, !mounting.coolisMounted else {
-            return
-        }
-        MountingProgress.shared.checkforMounted()
-    }
-
     private func importPairingFile(_ result: Result<URL, Error>) {
         switch result {
         case .success(let url):