Add websocket wifi updates

internal/app/app.go

@@ -53,6 +53,12 @@ func (a *App) Initialize(cfg *config.Config) error {
 		return err
 	}
 
+	// Start WiFi event monitoring
+	if err := wifi.StartEventMonitoring(); err != nil {
+		log.Printf("Warning: WiFi event monitoring failed: %v", err)
+		// Don't fail - polling fallback still works
+	}
+
 	// Start periodic tasks
 	go a.periodicStatusUpdate()
 	go a.periodicDeviceUpdate()
@@ -71,6 +77,7 @@ func (a *App) Run(addr string) error {
 
 // Shutdown gracefully shuts down the application
 func (a *App) Shutdown() {
+	wifi.StopEventMonitoring()
 	wifi.Close()
 	logging.AddLog("Système", "Application arrêtée")
 }