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/Libraries/DevToolsSettings/DevToolsSettingsManager.android.js

@@ -0,0 +1,35 @@
+/**
+ * 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.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+import DevSettings from '../Utilities/DevSettings';
+import NativeDevToolsSettingsManager from './NativeDevToolsSettingsManager';
+
+module.exports = {
+  setConsolePatchSettings(newSettings: string) {
+    NativeDevToolsSettingsManager?.setConsolePatchSettings(newSettings);
+  },
+  getConsolePatchSettings(): ?string {
+    return NativeDevToolsSettingsManager?.getConsolePatchSettings();
+  },
+  setProfilingSettings(newSettings: string) {
+    if (NativeDevToolsSettingsManager?.setProfilingSettings != null) {
+      NativeDevToolsSettingsManager.setProfilingSettings(newSettings);
+    }
+  },
+  getProfilingSettings(): ?string {
+    if (NativeDevToolsSettingsManager?.getProfilingSettings != null) {
+      return NativeDevToolsSettingsManager.getProfilingSettings();
+    }
+    return null;
+  },
+  reload(): void {
+    DevSettings?.reload();
+  },
+};

smart-app-city/frontend/node_modules/react-native/Libraries/DevToolsSettings/DevToolsSettingsManager.d.ts

@@ -0,0 +1,20 @@
+/**
+ * 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.
+ *
+ * @flow strict
+ * @format
+ */
+
+export interface DevToolsSettingsManagerStatic {
+  reload(): void;
+  setConsolePatchSettings(newSettings: string): void;
+  getConsolePatchSettings(): string | null;
+  setProfilingSettings(newSettings: string): void;
+  getProfilingSettings(): string | null;
+}
+
+export const DevToolsSettingsManager: DevToolsSettingsManagerStatic;
+export type DevToolsSettingsManager = DevToolsSettingsManagerStatic;

smart-app-city/frontend/node_modules/react-native/Libraries/DevToolsSettings/DevToolsSettingsManager.ios.js

@@ -0,0 +1,49 @@
+/**
+ * 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.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+import Settings from '../Settings/Settings';
+import DevSettings from '../Utilities/DevSettings';
+
+const CONSOLE_PATCH_SETTINGS_KEY = 'ReactDevTools::ConsolePatchSettings';
+const PROFILING_SETTINGS_KEY = 'ReactDevTools::ProfilingSettings';
+
+const DevToolsSettingsManager = {
+  setConsolePatchSettings(newConsolePatchSettings: string): void {
+    Settings.set({
+      [CONSOLE_PATCH_SETTINGS_KEY]: newConsolePatchSettings,
+    });
+  },
+  getConsolePatchSettings(): ?string {
+    const value = Settings.get(CONSOLE_PATCH_SETTINGS_KEY);
+    if (typeof value === 'string') {
+      return value;
+    }
+    return null;
+  },
+
+  setProfilingSettings(newProfilingSettings: string): void {
+    Settings.set({
+      [PROFILING_SETTINGS_KEY]: newProfilingSettings,
+    });
+  },
+  getProfilingSettings(): ?string {
+    const value = Settings.get(PROFILING_SETTINGS_KEY);
+    if (typeof value === 'string') {
+      return value;
+    }
+    return null;
+  },
+
+  reload(): void {
+    DevSettings?.reload();
+  },
+};
+
+module.exports = DevToolsSettingsManager;

smart-app-city/frontend/node_modules/react-native/Libraries/DevToolsSettings/DevToolsSettingsManager.js.flow

@@ -0,0 +1,19 @@
+/**
+ * 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.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+declare const DevToolsSettingsManager: {
+  setConsolePatchSettings(newConsolePatchSettings: string): void,
+  getConsolePatchSettings(): ?string,
+  setProfilingSettings(newProfilingSettings: string): void,
+  getProfilingSettings(): ?string,
+  reload(): void,
+};
+
+module.exports = DevToolsSettingsManager;

smart-app-city/frontend/node_modules/react-native/Libraries/DevToolsSettings/NativeDevToolsSettingsManager.js

@@ -0,0 +1,13 @@
+/**
+ * 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.
+ *
+ * @flow strict
+ * @format
+ */
+
+export * from '../../src/private/specs/modules/NativeDevToolsSettingsManager';
+import NativeDevToolsSettingsManager from '../../src/private/specs/modules/NativeDevToolsSettingsManager';
+export default NativeDevToolsSettingsManager;