gonna break stuff now

server/src/services/turnService/queueDisplay.js

@@ -0,0 +1,10 @@
+// Shared display ordering only; each service still owns its queue policy.
+function describeQueue(queue, currentId) {
+  const currentIndex = currentId ? queue.indexOf(currentId) : -1;
+  const nextId = queue.length > 1
+    ? queue[(currentIndex + 1) % queue.length]
+    : null;
+  return { queue, currentId, nextId };
+}
+
+module.exports = { describeQueue };