#!/usr/bin/env bash
# heartbeat_helper.sh – emit "still working" pings every 60s until killed.

if [ -z "$1" ]; then
  echo "Usage: $0 <label>" >&2
  exit 1
fi

label="$1"

while true; do
  printf '\n[heartbeat] still working on %s – %s\n' "$label" "$(date --iso-8601=seconds)"
  sleep 60
done