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-secure-store/plugin/build/withSecureStore.d.ts

@@ -0,0 +1,5 @@
+import { ConfigPlugin } from '@expo/config-plugins';
+declare const _default: ConfigPlugin<void | {
+    faceIDPermission?: string | false | undefined;
+}>;
+export default _default;

smart-app-city/frontend/node_modules/expo-secure-store/plugin/build/withSecureStore.js

@@ -0,0 +1,13 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const config_plugins_1 = require("@expo/config-plugins");
+const pkg = require('expo-secure-store/package.json');
+const FACEID_USAGE = 'Allow $(PRODUCT_NAME) to access your Face ID biometric data.';
+const withSecureStore = (config, { faceIDPermission } = {}) => {
+    return config_plugins_1.IOSConfig.Permissions.createPermissionsPlugin({
+        NSFaceIDUsageDescription: FACEID_USAGE,
+    })(config, {
+        NSFaceIDUsageDescription: faceIDPermission,
+    });
+};
+exports.default = (0, config_plugins_1.createRunOncePlugin)(withSecureStore, pkg.name, pkg.version);

smart-app-city/frontend/node_modules/expo-secure-store/plugin/jest.config.js

@@ -0,0 +1 @@
+module.exports = require('expo-module-scripts/jest-preset-plugin');

smart-app-city/frontend/node_modules/expo-secure-store/plugin/src/withSecureStore.ts

@@ -0,0 +1,19 @@
+import { ConfigPlugin, IOSConfig, createRunOncePlugin } from '@expo/config-plugins';
+
+const pkg = require('expo-secure-store/package.json');
+
+const FACEID_USAGE = 'Allow $(PRODUCT_NAME) to access your Face ID biometric data.';
+
+const withSecureStore: ConfigPlugin<
+  {
+    faceIDPermission?: string | false;
+  } | void
+> = (config, { faceIDPermission } = {}) => {
+  return IOSConfig.Permissions.createPermissionsPlugin({
+    NSFaceIDUsageDescription: FACEID_USAGE,
+  })(config, {
+    NSFaceIDUsageDescription: faceIDPermission,
+  });
+};
+
+export default createRunOncePlugin(withSecureStore, pkg.name, pkg.version);

smart-app-city/frontend/node_modules/expo-secure-store/plugin/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "expo-module-scripts/tsconfig.plugin",
+  "compilerOptions": {
+    "outDir": "build",
+    "rootDir": "src"
+  },
+  "include": ["./src"],
+  "exclude": ["**/__mocks__/*", "**/__tests__/*"]
+}