Modernization Project Complete. Updated to latest versions of frameworks.

frontend/src/features/vehicles/mobile/VehiclesMobileScreen.tsx

@@ -1,10 +1,14 @@
 /**
- * @ai-summary Mobile-optimized vehicles screen with Material Design 3
+ * @ai-summary Mobile vehicles screen with React 19 enhancements
+ * @ai-context Enhanced with Suspense, optimistic updates, and transitions
  */
 
-import React from 'react';
+import React, { useTransition, useEffect } from 'react';
 import { Box, Typography, Grid } from '@mui/material';
 import { useVehicles } from '../hooks/useVehicles';
+import { useOptimisticVehicles } from '../hooks/useOptimisticVehicles';
+import { useVehicleSearch } from '../hooks/useVehicleTransitions';
+import { MobileVehiclesSuspense } from '../../../components/SuspenseWrappers';
 import { VehicleMobileCard } from './VehicleMobileCard';
 import { Vehicle } from '../types/vehicles.types';
 
@@ -32,6 +36,31 @@ export const VehiclesMobileScreen: React.FC<VehiclesMobileScreenProps> = ({
   onVehicleSelect
 }) => {
   const { data: vehicles, isLoading } = useVehicles();
+  const [_isPending, startTransition] = useTransition();
+  
+  // React 19 optimistic updates
+  const {
+    optimisticVehicles,
+    isPending: isOptimisticPending
+  } = useOptimisticVehicles(vehicles || []);
+  
+  // Enhanced search with transitions
+  const {
+    filteredVehicles,
+    updateVehicles
+  } = useVehicleSearch(optimisticVehicles);
+  
+  // Update search when optimistic vehicles change
+  useEffect(() => {
+    updateVehicles(optimisticVehicles);
+  }, [optimisticVehicles, updateVehicles]);
+  
+  const handleVehicleSelect = (vehicle: Vehicle) => {
+    // Use transition to avoid blocking UI during navigation
+    startTransition(() => {
+      onVehicleSelect?.(vehicle);
+    });
+  };
 
   if (isLoading) {
     return (
@@ -43,7 +72,7 @@ export const VehiclesMobileScreen: React.FC<VehiclesMobileScreenProps> = ({
     );
   }
 
-  if (!vehicles?.length) {
+  if (!optimisticVehicles.length) {
     return (
       <Box sx={{ pb: 10 }}>
         <Section title="Vehicles">
@@ -61,19 +90,21 @@ export const VehiclesMobileScreen: React.FC<VehiclesMobileScreenProps> = ({
   }
 
   return (
-    <Box sx={{ pb: 10 }}>
-      <Section title="Vehicles">
-        <Grid container spacing={2}>
-          {vehicles.map((vehicle) => (
-            <Grid item xs={12} key={vehicle.id}>
-              <VehicleMobileCard
-                vehicle={vehicle}
-                onClick={() => onVehicleSelect?.(vehicle)}
-              />
-            </Grid>
-          ))}
-        </Grid>
-      </Section>
-    </Box>
+    <MobileVehiclesSuspense>
+      <Box sx={{ pb: 10 }}>
+        <Section title={`Vehicles ${isOptimisticPending ? '(Updating...)' : ''}`}>
+          <Grid container spacing={2}>
+            {filteredVehicles.map((vehicle) => (
+              <Grid item xs={12} key={vehicle.id}>
+                <VehicleMobileCard
+                  vehicle={vehicle}
+                  onClick={() => handleVehicleSelect(vehicle)}
+                />
+              </Grid>
+            ))}
+          </Grid>
+        </Section>
+      </Box>
+    </MobileVehiclesSuspense>
   );
 };