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/@pkgjs/parseargs/examples/limit-long-syntax.js

@@ -0,0 +1,35 @@
+'use strict';
+
+// This is an example of using tokens to add a custom behaviour.
+//
+// Require the use of `=` for long options and values by blocking
+// the use of space separated values.
+// So allow `--foo=bar`, and not allow `--foo bar`.
+//
+// Note: this is not a common behaviour, most CLIs allow both forms.
+
+// 1. const { parseArgs } = require('node:util'); // from node
+// 2. const { parseArgs } = require('@pkgjs/parseargs'); // from package
+const { parseArgs } = require('..'); // in repo
+
+const options = {
+  file: { short: 'f', type: 'string' },
+  log: { type: 'string' },
+};
+
+const { values, tokens } = parseArgs({ options, tokens: true });
+
+const badToken = tokens.find((token) => token.kind === 'option' &&
+  token.value != null &&
+  token.rawName.startsWith('--') &&
+  !token.inlineValue
+);
+if (badToken) {
+  throw new Error(`Option value for '${badToken.rawName}' must be inline, like '${badToken.rawName}=VALUE'`);
+}
+
+console.log(values);
+
+// Try the following:
+//    node limit-long-syntax.js -f FILE --log=LOG
+//    node limit-long-syntax.js --file FILE