Add live account appeal updates and restricted status settings

lib/realtime-refresh.ts

@@ -0,0 +1,34 @@
+/** Serialize refreshes, retaining one follow-up if a change arrives mid-request. */
+export function realtimeRefresh(
+  refresh: () => Promise<void>,
+  onError: (error: unknown) => void,
+) {
+  let running = false;
+  let pending = false;
+  let closed = false;
+  async function request() {
+    if (closed) return;
+    pending = true;
+    if (running) return;
+    running = true;
+    try {
+      while (pending && !closed) {
+        pending = false;
+        try {
+          await refresh();
+        } catch (error) {
+          if (!closed) onError(error);
+        }
+      }
+    } finally {
+      running = false;
+    }
+  }
+  return {
+    request,
+    close: () => {
+      closed = true;
+      pending = false;
+    },
+  };
+}