fix(pwa): Disable Service Worker to resolve mobile lag issues

vite.config.ts

@@ -14,6 +14,8 @@ export default defineConfig(({ mode }) => {
       react(),
       VitePWA({
         registerType: 'autoUpdate',
+        injectRegister: null, // Disable automatic SW injection to fix lag
+        selfDestroying: true, // Force unregister existing SW
         includeAssets: ['favicon.ico', 'apple-touch-icon.png', 'masked-icon.svg'],
         manifest: {
           name: 'FoodSnap.ai',
@@ -41,6 +43,11 @@ export default defineConfig(({ mode }) => {
               purpose: 'any maskable'
             }
           ]
+        },
+        workbox: {
+          cleanupOutdatedCaches: true,
+          skipWaiting: true,
+          clientsClaim: true,
         }
       })
     ],