fix: refresh optional CLI Apps catalogs

maintainer edit: CLI Apps settings now treats optional catalog caches as refresh candidates without blocking the initial payload, and pending polling stops when refresh is throttled instead of running indefinitely.

webui/src/components/settings/SettingsView.tsx

@@ -213,6 +213,8 @@ const DEFERRED_MODEL_LIST_PROVIDERS = new Set([
   "volcengine_coding_plan",
 ]);
 const DEFERRED_MODEL_LIST_QUERY_MIN_LENGTH = 2;
+const CLI_APPS_REFRESH_RETRY_MS = 2_000;
+const CLI_APPS_REFRESH_MAX_RETRIES = 30;
 
 const FALLBACK_TIMEZONES = [
   "UTC",
@@ -696,13 +698,18 @@ export function SettingsView({
     if (activeSection !== "apps") return;
     let cancelled = false;
     let retry: number | null = null;
+    let retryCount = 0;
     const loadCliApps = (showLoading: boolean) => {
       if (showLoading) setCliAppsLoading(true);
       fetchCliApps(token)
         .then((payload) => {
           if (cancelled) return;
-          if (payload.catalog_refresh_pending) {
-            retry = window.setTimeout(() => loadCliApps(false), 2000);
+          if (payload.catalog_refresh_pending && retryCount < CLI_APPS_REFRESH_MAX_RETRIES) {
+            retryCount += 1;
+            retry = window.setTimeout(() => {
+              retry = null;
+              loadCliApps(false);
+            }, CLI_APPS_REFRESH_RETRY_MS);
           }
           setCliApps(payload);
           setCliAppsError(null);