feat: implement push notification registration and nudge feature; enhance user settings and notification handling

src/contexts/QueryContext.jsx

@@ -1,7 +1,16 @@
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 
 const QueryContext = ({ children }) => {
-  const queryClient = new QueryClient()
+  const queryClient = new QueryClient({
+    defaultOptions: {
+      queries: {
+        staleTime: 60000, // 60 seconds
+        gcTime: 300000, // 5 minutes
+        refetchOnWindowFocus: false,
+        retry: 0,
+      },
+    },
+  })
 
   return (
     <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>