Improve client logging.

client/internal/services/core/mainwindow/mainwindow.go

@@ -20,6 +20,7 @@ var _ = core.MainWindow(&mainWindow{})
 
 type mainWindow struct {
 	app             *application.Application
+	logger          *slog.Logger
 	window          fyne.Window
 	options         core.Options
 	tabs            *container.AppTabs
@@ -60,6 +61,10 @@ func (m *mainWindow) ConnectDependencies() error {
 }
 
 func (m *mainWindow) Initialize() error {
+	m.logger = m.app.NewLogger("service", core.ServiceNameMainWindow)
+
+	m.logger.Info("Initializing...")
+
 	m.sysInfoHandlers = make(map[string]*models.SysInfoHandler)
 
 	m.window = m.app.Fyne().NewWindow(lang.L("window.title"))