Critical notifications sound not playing OneSignal - ios

I'm having issue that notifications sounds doesn't play, specially for critical notifications i'm using react native.

i already have entitlement and approval from apple i have the sound file .wav 3 seconds length in the root folder of the ios project i receive the critical notifications but the sound doesn't play i receive the regular notifications just fine

i followed all instructions to implement onesignal into the app and it's working perfectly fine, the only issue is the sound not playing

this is the service file i updated it to force the volume on but still no luck.

    import UserNotifications
import OneSignalExtension

class NotificationService: UNNotificationServiceExtension {
    var contentHandler: ((UNNotificationContent) -> Void)?
    var receivedRequest: UNNotificationRequest!
    var bestAttemptContent: UNMutableNotificationContent?

    override func didReceive(_ request: UNNotificationRequest,
                             withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) {

        self.receivedRequest = request
        self.contentHandler = contentHandler
        self.bestAttemptContent = (request.content.mutableCopy() as? UNMutableNotificationContent)

        guard let bestAttemptContent = bestAttemptContent else {
            contentHandler(request.content)
            return
        }

        // Pass through OneSignal
        OneSignalExtension.didReceiveNotificationExtensionRequest(
            self.receivedRequest,
            with: bestAttemptContent,
            withContentHandler: self.contentHandler
        )

        // ---- SAME AS OLD PROJECT ----
        // If payload contains CRITICAL = YES → Force iOS critical sound
        if let critical = request.content.userInfo["CRITICAL"] as? String,
           critical.uppercased() == "YES" {

            bestAttemptContent.sound =
                UNNotificationSound.defaultCriticalSound(withAudioVolume: 1.0)
        }

        contentHandler(bestAttemptContent)
    }

    override func serviceExtensionTimeWillExpire() {
        if let contentHandler = contentHandler,
           let bestAttemptContent = bestAttemptContent {

            OneSignalExtension.serviceExtensionTimeWillExpireRequest(
                self.receivedRequest,
                with: self.bestAttemptContent
            )
            contentHandler(bestAttemptContent)
        }
    }
}

Here is my directory structure

am i missing something ?

i tried this solution Here and nothing worked