1. Ensure that recalibration doesn't cause issues with failing to pause watchdog and clear flags

2. Ensure all credentials are purged on device deletion to avoid security issues

3. Clear calibration state (set to false) on device deletion.

include/bmHTTP.cpp

@@ -1,5 +1,7 @@
 #include "bmHTTP.hpp"
 #include "esp_http_client.h"
+#include "nvs_flash.h"
+#include "defines.h"
 #define httpSrv "http://192.168.1.190:3000/"
 
 std::string webToken;
@@ -62,4 +64,28 @@ bool httpGET(std::string endpoint, std::string token, cJSON* &JSONresponse) {
   
   esp_http_client_cleanup(client);
   return success;
+}
+
+void deleteWiFiAndTokenDetails() {
+  nvs_handle_t wifiHandle;
+  if (nvs_open(nvsWiFi, NVS_READWRITE, &wifiHandle) == ESP_OK) {
+    if (nvs_erase_all(wifiHandle) == ESP_OK) {
+      printf("Successfully erased WiFi details\n");
+      nvs_commit(wifiHandle);
+    }
+    else printf("ERROR: Erase wifi failed\n");
+    nvs_close(wifiHandle);
+  }
+  else printf("ERROR: Failed to open WiFi section for deletion\n");
+  
+  nvs_handle_t authHandle;
+  if (nvs_open(nvsAuth, NVS_READWRITE, &authHandle) == ESP_OK) {
+    if (nvs_erase_all(authHandle) == ESP_OK) {
+      printf("Successfully erased Auth details\n");
+      nvs_commit(authHandle);
+    }
+    else printf("ERROR: Erase auth failed\n");
+    nvs_close(authHandle);
+  }
+  else printf("ERROR: Failed to open Auth section for deletion\n");
 }