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/sucrase/dist/parser/util/whitespace.js

@@ -0,0 +1,33 @@
+"use strict";Object.defineProperty(exports, "__esModule", {value: true});var _charcodes = require('./charcodes');
+
+// https://tc39.github.io/ecma262/#sec-white-space
+ const WHITESPACE_CHARS = [
+  0x0009,
+  0x000b,
+  0x000c,
+  _charcodes.charCodes.space,
+  _charcodes.charCodes.nonBreakingSpace,
+  _charcodes.charCodes.oghamSpaceMark,
+  0x2000, // EN QUAD
+  0x2001, // EM QUAD
+  0x2002, // EN SPACE
+  0x2003, // EM SPACE
+  0x2004, // THREE-PER-EM SPACE
+  0x2005, // FOUR-PER-EM SPACE
+  0x2006, // SIX-PER-EM SPACE
+  0x2007, // FIGURE SPACE
+  0x2008, // PUNCTUATION SPACE
+  0x2009, // THIN SPACE
+  0x200a, // HAIR SPACE
+  0x202f, // NARROW NO-BREAK SPACE
+  0x205f, // MEDIUM MATHEMATICAL SPACE
+  0x3000, // IDEOGRAPHIC SPACE
+  0xfeff, // ZERO WIDTH NO-BREAK SPACE
+]; exports.WHITESPACE_CHARS = WHITESPACE_CHARS;
+
+ const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; exports.skipWhiteSpace = skipWhiteSpace;
+
+ const IS_WHITESPACE = new Uint8Array(65536); exports.IS_WHITESPACE = IS_WHITESPACE;
+for (const char of exports.WHITESPACE_CHARS) {
+  exports.IS_WHITESPACE[char] = 1;
+}