# Check for AI attribution in commit message
if grep -qi "co-authored-by.*claude\|co-authored-by.*anthropic\|claude code\|claude sonnet\|claude opus" "$1"; then
  echo "❌ ERROR: Commit message contains AI attribution (Claude/Anthropic)"
  echo "   This violates project policy in CLAUDE.md"
  echo "   Remove 'Co-Authored-By: Claude' and similar references"
  exit 1
fi