Reduce interval to 15s

src/components/background-service.jsx

@@ -9,7 +9,7 @@ import useInterval from '../utils/useInterval';
 import usePageVisibility from '../utils/usePageVisibility';
 
 const STREAMING_TIMEOUT = 1000 * 3; // 3 seconds
-const POLL_INTERVAL = 1000 * 60; // 1 minute
+const POLL_INTERVAL = 15_000; // 15 seconds
 
 export default memo(function BackgroundService({ isLoggedIn }) {
   // Notifications service

src/components/timeline.jsx

@@ -36,7 +36,7 @@ function Timeline({
   boostsCarousel,
   fetchItems = () => {},
   checkForUpdates = () => {},
-  checkForUpdatesInterval = 60_000, // 1 minute
+  checkForUpdatesInterval = 15_000, // 15 seconds
   headerStart,
   headerEnd,
   timelineStart,