Restore smart settings and sync watch favourites

FuelBoard/FuelBoardApp.swift

@@ -1,9 +1,12 @@
 import ActivityKit
+import BackgroundTasks
 import SwiftUI
 
 @main
 struct FuelBoardApp: App {
     init() {
+        WatchSyncManager.shared.activate()
+        SmartDataRefreshScheduler.register()
         #if DEBUG
         // QA hook (Debug builds only): `-qaLiveActivity e10|e5|diesel` starts a
         // Live Activity with a long station name so the Lock Screen / island
@@ -21,6 +24,12 @@ struct FuelBoardApp: App {
         WindowGroup {
             ContentView()
                 .onOpenURL(perform: handleOpenURL)
+                .onReceive(NotificationCenter.default.publisher(for: .fuelBoardWatchRefreshRequested)) { _ in
+                    WatchSyncManager.shared.pushSnapshot()
+                }
+        }
+        .backgroundTask(.appRefresh(SmartDataRefreshScheduler.taskIdentifier)) {
+            await SmartDataRefreshCoordinator.runBackgroundProbe()
         }
     }