fix: Fix-Runde 1 für Task 4 - Reset nur bei akzeptiertem OTA-Image, hängende Downloads/Sessions begrenzen

src/app_main.c

@@ -165,7 +165,9 @@ static void app_task(void *arg)
     have_last = nl_state_log_load(&last);
     store_unlock();
     if (s_settings.ota_pending) {
-        /* We came back from an update attempt: restore the light the user had on. */
+        /* We came back from an update attempt (accepted or rejected). Just clear the flag so it
+         * doesn't stick in flash forever; nl_boot_state() below restores the light from `last`/
+         * power_on_behaviour as on any other boot, no special-casing needed here. */
         s_settings.ota_pending = 0;
         printf("boot after ota attempt\r\n");
         store_lock();