#!/usr/bin/env bash
# pmo-heartbeat.sh — wake the PMO session while the overnight chain runs.
# Self-terminates when inbox-work has no TASKs AND no semaphore slots are held.

INBOX=/home/reachableceo/.coordinate/inbox-work
SLOTS=/home/_crossfeed/metrics/active
LOG=/home/reachableceo/.coordinate/logs/heartbeat.log
INTERVAL=3600

while true; do
  pending=$(ls -1 "$INBOX"/TASK-*.md 2>/dev/null | wc -l)
  active=$(ls -1 "$SLOTS"/*.pid 2>/dev/null | wc -l)
  if [ "$pending" -eq 0 ] && [ "$active" -eq 0 ]; then
    echo "$(date -Is) chain drained — heartbeat exiting" >> "$LOG"
    exit 0
  fi
  screen -S RCEO-PMO -X stuff "hb: chain check — verify reports, archive, mirror redmine, redispatch flakes, dispatch next$(printf '\r')"
  echo "$(date -Is) wake sent (pending=$pending active=$active)" >> "$LOG"
  sleep "$INTERVAL"
done