AWS Amplify keeps clearing my session tokes from localStorace after a network droput

I'm a bit frustrated with AWS Amplify, what seems like a basic feature of maintaining sessions is seems to fail if the network drops.

Here is my Cogntio CDK setup, the refreshTokenValidity is set to 90 days, however I was noticing that after a netowkr drop (or device sleep) the tokens were often cleared froom localStorage. I've since managed to find a way to hack most of these to prevent them form being removed, however I noticed that only 5 of the 6 tokens are preserved and the Amplify login page of the App doesnt seem to realize that the user is re-authenticated and should be considered logged in.

// user pool client is used for authentication
this.userPoolClient = new UserPoolClient(this, 'SmallTownClient', {
userPool: this.userPool,
generateSecret: false, // must be false for Amplify login to work
authFlows: {
userPassword: true,
userSrp: true,
},
preventUserExistenceErrors: true,
refreshTokenValidity: cdk.Duration.days(90),
});


Please help, I've been trying to sort this issue out for days with little success. This is impacting the retention on my site.

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