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/graphql/execution/values.d.ts

@@ -0,0 +1,65 @@
+import { Maybe } from '../jsutils/Maybe';
+
+import { GraphQLError } from '../error/GraphQLError';
+import {
+  FieldNode,
+  DirectiveNode,
+  VariableDefinitionNode,
+} from '../language/ast';
+
+import { GraphQLDirective } from '../type/directives';
+import { GraphQLSchema } from '../type/schema';
+import { GraphQLField } from '../type/definition';
+
+type CoercedVariableValues =
+  | { errors: ReadonlyArray<GraphQLError>; coerced?: never }
+  | { errors?: never; coerced: { [key: string]: any } };
+
+/**
+ * Prepares an object map of variableValues of the correct type based on the
+ * provided variable definitions and arbitrary input. If the input cannot be
+ * parsed to match the variable definitions, a GraphQLError will be thrown.
+ *
+ * Note: The returned value is a plain Object with a prototype, since it is
+ * exposed to user code. Care should be taken to not pull values from the
+ * Object prototype.
+ */
+export function getVariableValues(
+  schema: GraphQLSchema,
+  varDefNodes: ReadonlyArray<VariableDefinitionNode>,
+  inputs: { [key: string]: any },
+  options?: { maxErrors?: number },
+): CoercedVariableValues;
+
+/**
+ * Prepares an object map of argument values given a list of argument
+ * definitions and list of argument AST nodes.
+ *
+ * Note: The returned value is a plain Object with a prototype, since it is
+ * exposed to user code. Care should be taken to not pull values from the
+ * Object prototype.
+ */
+export function getArgumentValues(
+  def: GraphQLField<any, any> | GraphQLDirective,
+  node: FieldNode | DirectiveNode,
+  variableValues?: Maybe<{ [key: string]: any }>,
+): { [key: string]: any };
+
+/**
+ * Prepares an object map of argument values given a directive definition
+ * and a AST node which may contain directives. Optionally also accepts a map
+ * of variable values.
+ *
+ * If the directive does not exist on the node, returns undefined.
+ *
+ * Note: The returned value is a plain Object with a prototype, since it is
+ * exposed to user code. Care should be taken to not pull values from the
+ * Object prototype.
+ */
+export function getDirectiveValues(
+  directiveDef: GraphQLDirective,
+  node: {
+    readonly directives?: ReadonlyArray<DirectiveNode>;
+  },
+  variableValues?: Maybe<{ [key: string]: any }>,
+): undefined | { [key: string]: any };