Restore expo token on boot if has permissions

Author: sync

packages/expo/src/modules/push/KnockExpoPushNotificationProvider.tsx

@@ -188,6 +188,23 @@ const InternalKnockExpoPushNotificationProvider: React.FC<
     [knockClient],
   );
 
+  useEffect(() => {
+    const fetchExpoTokenIfNeeded = async () => {
+      const { status: existingStatus } =
+        await Notifications.getPermissionsAsync();
+      if (existingStatus === "granted" && Device.isDevice) {
+        try {
+          const token = await getExpoPushToken();
+          setExpoPushToken(token ? token.data : null);
+        } catch (error) {
+          console.error(`[Knock] Error getting expo push token:`, error);
+        }
+      }
+    };
+
+    fetchExpoTokenIfNeeded();
+  }, []);
+
   useEffect(() => {
     Notifications.setNotificationHandler({
       handleNotification: