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/sisteransi/src/sisteransi.d.ts

@@ -0,0 +1,35 @@
+export const beep: string;
+export const clear: string;
+
+export namespace cursor {
+    export const left: string;
+    export const hide: string;
+    export const show: string;
+    export const save: string;
+    export const restore: string;
+
+    export function to(x: number, y?: number): string;
+    export function move(x: number, y: number): string;
+    export function up(count?: number): string;
+    export function down(count?: number): string;
+    export function forward(count?: number): string;
+    export function backward(count?: number): string;
+    export function nextLine(count?: number): string;
+    export function prevLine(count?: number): string;
+}
+
+export namespace scroll {
+    export function up(count?: number): string;
+    export function down(count?: number): string;
+}
+
+export namespace erase {
+    export const screen: string;
+    export const line: string;
+    export const lineEnd: string;
+    export const lineStart: string;
+
+    export function up(count?: number): string;
+    export function down(count?: number): string;
+    export function lines(count: number): string;
+}