Hello together.
On my esp32dev board i was using the watchdog as follows and it was working perfectly.

// 1) include

#include <Arduino.h>
#include "soc/soc.h"
#include "soc/rtc_cntl_reg.h"
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <esp_task_wdt.h>
#include <esp_log.h ...