#!/usr/bin/bash

# Nice monitor — ensures claude processes run at lowest CPU priority.
# Checks every 30 seconds and renices any claude process not already at nice 19.

# Kill other instances of this script
for pid in $(pgrep -f 'nice-monitor.sh' | grep -v $$); do
  kill "$pid" 2>/dev/null
done

while true; do
  for pid in $(pgrep -f 'claude' 2>/dev/null); do
    cur=$(awk '{print $19}' /proc/$pid/stat 2>/dev/null)
    if [ -n "$cur" ] && [ "$cur" != "19" ]; then
      renice 19 -p "$pid" > /dev/null 2>&1
    fi
  done
  sleep 30
done