refactor: simplify query client setup and improve deep link handling in navigation

MobileApp/src/App.tsx

@@ -3,11 +3,7 @@ import { View } from "react-native";
 import { SafeAreaProvider } from "react-native-safe-area-context";
 import { StatusBar } from "expo-status-bar";
 import { LinearGradient } from "expo-linear-gradient";
-import { QueryClient } from "@tanstack/react-query";
-import { PersistQueryClientProvider } from "@tanstack/react-query-persist-client";
-import { createAsyncStoragePersister } from "@tanstack/query-async-storage-persister";
-import type { Persister } from "@tanstack/query-persist-client-core";
-import AsyncStorage from "@react-native-async-storage/async-storage";
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { ThemeProvider, useTheme } from "./theme";
 import { AuthProvider } from "./hooks/useAuth";
 import { ProjectProvider } from "./hooks/useProject";
@@ -22,11 +18,6 @@ const queryClient: QueryClient = new QueryClient({
   },
 });
 
-const asyncStoragePersister: Persister = createAsyncStoragePersister({
-  storage: AsyncStorage,
-  throttleTime: 1000,
-});
-
 function AppContent(): React.JSX.Element {
   const { theme } = useTheme();
 
@@ -73,10 +64,7 @@ function AppContent(): React.JSX.Element {
 export default function App(): React.JSX.Element {
   return (
     <SafeAreaProvider>
-      <PersistQueryClientProvider
-        client={queryClient}
-        persistOptions={{ persister: asyncStoragePersister }}
-      >
+      <QueryClientProvider client={queryClient}>
         <ThemeProvider>
           <AuthProvider>
             <ProjectProvider>
@@ -84,7 +72,7 @@ export default function App(): React.JSX.Element {
             </ProjectProvider>
           </AuthProvider>
         </ThemeProvider>
-      </PersistQueryClientProvider>
+      </QueryClientProvider>
     </SafeAreaProvider>
   );
 }

MobileApp/src/navigation/RootNavigator.tsx

@@ -20,6 +20,14 @@ const prefix: string = Linking.createURL("/");
 
 const linking: React.ComponentProps<typeof NavigationContainer>["linking"] = {
   prefixes: [prefix, "oneuptime://"],
+  // Disable automatic deep link URL resolution via NavigationContainer.
+  // On Android with React Native's new architecture (Fabric), the async
+  // getInitialURL resolution inside NavigationContainer's useLinking hook
+  // sets state inside a microtask callback which never triggers a re-render,
+  // causing screens to never appear (blank screen after loading).
+  // Deep link navigation from push notifications is handled separately in
+  // usePushNotifications via Notifications.getLastNotificationResponseAsync().
+  enabled: false,
   config: {
     screens: {
       Home: "home",
@@ -52,34 +60,15 @@ export default function RootNavigator(): React.JSX.Element {
   const biometric: ReturnType<typeof useBiometric> = useBiometric();
 
   const [biometricPassed, setBiometricPassed] = useState(false);
-  const [biometricChecked, setBiometricChecked] = useState(false);
 
   usePushNotifications(navigationRef);
 
   // Hide the native splash screen once initial loading completes
   useEffect(() => {
-    if (!isLoading && biometricChecked) {
+    if (!isLoading) {
       SplashScreen.hideAsync();
     }
-  }, [isLoading, biometricChecked]);
-
-  // Check biometric on app launch
-  useEffect(() => {
-    const checkBiometric: () => Promise<void> = async (): Promise<void> => {
-      if (!isAuthenticated || !biometric.isEnabled) {
-        setBiometricPassed(true);
-        setBiometricChecked(true);
-        return;
-      }
-
-      setBiometricChecked(true);
-      // Don't auto-pass — show lock screen
-    };
-
-    if (!isLoading) {
-      checkBiometric();
-    }
-  }, [isAuthenticated, isLoading, biometric.isEnabled]);
+  }, [isLoading]);
 
   const navigationTheme: Theme = {
     ...DefaultTheme,
@@ -96,10 +85,9 @@ export default function RootNavigator(): React.JSX.Element {
     fonts: DefaultTheme.fonts,
   };
 
-  if (isLoading || !biometricChecked) {
+  if (isLoading) {
     return (
       <View
-        className="flex-1 items-center justify-center bg-bg-primary"
         style={{
           flex: 1,
           alignItems: "center",