#pragma once

#include "esp_err.h"

/**
 * Begin an OTA update in a background task.
 * Applies a MAC-derived jitter delay before downloading so a fleet-wide
 * trigger staggers reboots instead of dropping all coverage at once.
 * Reports status via mqtt_publisher_send_ota_status().
 * On success the device reboots; on failure it stays on the current firmware.
 */
esp_err_t ota_manager_start(const char *url, const char *version);