feat(S2-b): connect durable MQTT sync to capture workflow

FieldLogger/App.xaml.cs

@@ -1,15 +1,18 @@
 using FieldLogger.Services;
+using FieldLogger.Services.Sync;
 
 namespace FieldLogger;
 
 public partial class App : Application
 {
 	private readonly DeviceConnectionManager _connectionManager;
+	private readonly IMqttSyncService _syncService;
 
-	public App(DeviceConnectionManager connectionManager)
+	public App(DeviceConnectionManager connectionManager, IMqttSyncService syncService)
 	{
 		InitializeComponent();
 		_connectionManager = connectionManager;
+		_syncService = syncService;
 
 		Console.WriteLine("===== FIELD LOGGER APP STARTING =====");
 		Console.WriteLine($"Console output is working! Time: {DateTime.Now:HH:mm:ss}");
@@ -24,6 +27,7 @@ public partial class App : Application
 		{
 			Console.WriteLine("App: Window closing, disconnecting devices...");
 			await DisconnectAllDevicesAsync();
+			await _syncService.StopAsync();
 		};
 
 		return window;
@@ -54,4 +58,4 @@ public partial class App : Application
 			Console.WriteLine($"App: Error disconnecting devices: {ex.Message}");
 		}
 	}
-}
+}