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/react-native/scripts/generate-provider-cli.js

@@ -0,0 +1,90 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+'use strict';
+
+const utils = require('./codegen/codegen-utils');
+const fs = require('fs');
+const mkdirp = require('mkdirp');
+const yargs = require('yargs');
+
+const argv = yargs
+  .option('p', {
+    alias: 'platform',
+    describe: 'Platform to generate native code artifacts for.',
+  })
+  .option('s', {
+    alias: 'schemaListPath',
+    describe: 'The path to the schema list file.',
+  })
+  .option('o', {
+    alias: 'outputDir',
+    describe:
+      'Path to directory where native code source files should be saved.',
+  })
+  .usage('Usage: $0 <args>')
+  .demandOption(
+    ['platform', 'schemaListPath', 'outputDir'],
+    'Please provide platform, schema path, and output directory.',
+  ).argv;
+
+const GENERATORS = {
+  android: [],
+  ios: ['providerIOS'],
+};
+
+function generateProvider(platform, schemaListPath, outputDirectory) {
+  const schemaListText = fs.readFileSync(schemaListPath, 'utf-8');
+
+  if (schemaListText == null) {
+    throw new Error(`Can't find schema list file at ${schemaListPath}`);
+  }
+
+  if (!outputDirectory) {
+    throw new Error('outputDir is required');
+  }
+  mkdirp.sync(outputDirectory);
+
+  let schemaPaths;
+  try {
+    schemaPaths = JSON.parse(schemaListText);
+  } catch (err) {
+    throw new Error(`Can't parse schema to JSON. ${schemaListPath}`);
+  }
+
+  const schemas = {};
+  try {
+    for (const libraryName of Object.keys(schemaPaths)) {
+      const tmpSchemaText = fs.readFileSync(schemaPaths[libraryName], 'utf-8');
+      schemas[libraryName] = JSON.parse(tmpSchemaText);
+    }
+  } catch (err) {
+    throw new Error(`Failed to read schema file. ${err.message}`);
+  }
+
+  if (GENERATORS[platform] == null) {
+    throw new Error(`Invalid platform type. ${platform}`);
+  }
+
+  utils.getCodegen().generateFromSchemas(
+    {
+      schemas,
+      outputDirectory,
+    },
+    {
+      generators: GENERATORS[platform],
+    },
+  );
+}
+
+function main() {
+  generateProvider(argv.platform, argv.schemaListPath, argv.outputDir);
+}
+
+main();