chore: add push notif

mobile/src/context/NotificationContext.tsx

@@ -7,9 +7,11 @@ import React, {
     useCallback,
     type ReactNode,
 } from "react";
+import * as Notifications from "expo-notifications";
 import { getClientNotifications, markNotificationsRead } from "../api/api";
 import type { ClientNotification } from "../api/api";
 import { getToken } from "../auth/tokenStorage";
+import { registerForPushNotifications } from "../services/pushNotifications";
 
 interface ToastData {
     message: string;
@@ -128,6 +130,30 @@ export function NotificationProvider({ children }: { children: ReactNode }) {
         }
     }, []);
 
+    // Enregistrement push token + listeners (pattern doc Expo)
+    useEffect(() => {
+        registerForPushNotifications().catch(console.error);
+
+        const notificationListener = Notifications.addNotificationReceivedListener((notif) => {
+            const body = notif.request.content.body ?? "";
+            const data = notif.request.content.data as any;
+            showToast(body, getToastType(data?.type ?? ""));
+            fetchNotifications();
+        });
+
+        const responseListener = Notifications.addNotificationResponseReceivedListener((response) => {
+            const data = response.notification.request.content.data as any;
+            if (data?.command_id) {
+                setNavigateToOrder(data.command_id);
+            }
+        });
+
+        return () => {
+            notificationListener.remove();
+            responseListener.remove();
+        };
+    }, [fetchNotifications, showToast]);
+
     // Polling toutes les 15 secondes
     useEffect(() => {
         fetchNotifications();