add wifi_shutdown_ap timer for 2 minute timeout

src/main.c

@@ -202,7 +202,15 @@ void app_main(void) {
     }
   }
 
-  ESP_LOGI(TAG, "WiFi Connected, continuing main task thread . . . ");
+  // Create a timer to auto-shutdown the AP after 5 minutes
+  TimerHandle_t ap_shutdown_timer =
+      xTimerCreate("ap_shutdown_timer",
+                   pdMS_TO_TICKS(5 * 60 * 1000),  // 5 minutes in milliseconds
+                   pdFALSE,                       // One-shot timer
+                   NULL, (TimerCallbackFunction_t)wifi_shutdown_ap);
+
+  xTimerStart(ap_shutdown_timer, 0);
+  ESP_LOGI(TAG, "AP will automatically shut down in 5 minutes");
 
   // Get the image URL from WiFi manager
   const char* image_url = wifi_get_image_url();

src/wifi.c

@@ -295,6 +295,13 @@ static bool has_saved_config = false;
   return 0;
 }
 
+// Shudwont the AP by switching wifi mode to STA
+void wifi_shutdown_ap() {
+    ESP_LOGI(TAG, "Shuting down config portal");
+    stop_webserver();
+    ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
+}
+
 // Shutdown WiFi
 void wifi_shutdown() {
     // Stop the web server if it's running

src/wifi.h

@@ -14,6 +14,12 @@
  */
 int wifi_initialize(const char *ssid, const char *password);
 
+
+/**
+ * @brief Shutdown WiFi Config Portal
+ */
+void wifi_shutdown_ap();
+
 /**
  * @brief Shutdown WiFi
  */