Enhance error handling in ssh_mud function by temporarily disabling exit on error. This allows for graceful handling of MUD connection closures without terminating the script prematurely.

run-tests.sh

@@ -6,8 +6,10 @@ SERVER_PID=
 
 # SSH returns 255 when MUD closes connection after quit — treat as success
 ssh_mud() {
+  set +e
   ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -p 2222 "$@"
   r=$?
+  set -e
   [[ $r -eq 0 || $r -eq 255 ]] || exit 1
 }