feat(smart-app): implement complete mobile app MVP

- App.tsx: full navigation (Auth stack + Main tabs with 5 screens)
- Auth: LoginScreen, RegisterScreen, ForgotPasswordScreen
- HomeScreen: dashboard with IoT metrics, weather widget, alerts, quick actions, sensors
- MapScreen: interactive map with layer toggles (6 layers)
- MarketplaceScreen: categories (6), products (5), search
- ChatScreen: AI chat with quick prompts (4), bot responses
- ProfileScreen: user info, stats, menu (9 items), logout
- AlertsScreen: alert list with severity, acknowledge
- SensorsScreen: sensor list with type filters (6 types), search
- ZonesScreen: zone cards with stats
- SettingsScreen: language picker (FR/EN/ES/DE), privacy, about
- Stores: iotStore (sensors, zones, alerts), notificationStore, uiStore + i18n
- Hooks: useSensors, useAlerts, useNotifications, useLocation
- Components: Card, Button, LoadingSpinner, ErrorBoundary, Header
- Services: iotService, notificationService (with axios API client)
- Utils: formatters (temp, AQI, noise, dates), validators (email, password, IBAN)
- Theme: colors.ts with full design system (Blue Ocean palette)
- Ditto: fixed MongoDB connection, new JWT secrets, official gateway image

smart-app-city/frontend/node_modules/expo-notifications/build/useLastNotificationResponse.d.ts

@@ -0,0 +1,41 @@
+import { NotificationResponse } from './Notifications.types';
+type MaybeNotificationResponse = NotificationResponse | null | undefined;
+/**
+ * A React hook always returns the notification response that was received most recently
+ * (a notification response designates an interaction with a notification, such as tapping on it).
+ *
+ * > If you don't want to use a hook, you can use `Notifications.getLastNotificationResponseAsync()` instead.
+ *
+ * @return The hook may return one of these three types/values:
+ * - `undefined` - until we're sure of what to return,
+ * - `null` - if no notification response has been received yet,
+ * - a [`NotificationResponse`](#notificationresponse) object - if a notification response was received.
+ *
+ * @example
+ * Responding to a notification tap by opening a URL that could be put into the notification's `data`
+ * (opening the URL is your responsibility and is not a part of the `expo-notifications` API):
+ * ```jsx
+ * import * as Notifications from 'expo-notifications';
+ * import { Linking } from 'react-native';
+ *
+ * export default function App() {
+ *   const lastNotificationResponse = Notifications.useLastNotificationResponse();
+ *   React.useEffect(() => {
+ *     if (
+ *       lastNotificationResponse &&
+ *       lastNotificationResponse.notification.request.content.data.url &&
+ *       lastNotificationResponse.actionIdentifier === Notifications.DEFAULT_ACTION_IDENTIFIER
+ *     ) {
+ *       Linking.openURL(lastNotificationResponse.notification.request.content.data.url);
+ *     }
+ *   }, [lastNotificationResponse]);
+ *   return (
+ *     // Your app content
+ *   );
+ * }
+ * ```
+ * @header listen
+ */
+export default function useLastNotificationResponse(): MaybeNotificationResponse;
+export {};
+//# sourceMappingURL=useLastNotificationResponse.d.ts.map