Multiple AutoApps [Help] AutoSpotify/AutoWeb Add current track to specific playlist

First of all, I have also posted this question on Tasker's subreddit but I'm hoping to reach a larger audience by also asking here.
Long story short, I am trying to add the current track to specific playlist in Spotify and I've ran into the Spotify "Get playlist tracks"" API's limit of 100. I am now trying to figure out how to get around this but my brain has gotten blocked. Been thinking on it for too long and I just know I'm missing something fairly simple here.

Ok, so first things first. I've currently got my task set up like this:

Code (Text):

    Spotify Favorite (14)
        A1: AutoSpotify Player State [ Configuration:Warning: To receive media events from the Spotify app you need to set Device Broadcast Status to ON in the Spotify app’s settings. Timeout (Seconds):20 ]
        A2: Variable Set [ Name:%currentTrack To:%astrackuri Recurse Variables:Off Do Maths:Off Append:Off ]
        A3: Variable Search Replace [ Variable:%currentTrack Search:track Ignore Case:On Multi-Line:Off One Match Only:Off Store Matches In Array: Replace Matches:On Replace With: ]
        A4: Variable Search Replace [ Variable:%currentTrack Search:: Ignore Case:On Multi-Line:Off One Match Only:Off Store Matches In Array: Replace Matches:On Replace With: ]
        A5: Variable Search Replace [ Variable:%currentTrack Search:spotify Ignore Case:On Multi-Line:Off One Match Only:Off Store Matches In Array: Replace Matches:On Replace With: ]
        A6: AutoWeb Web Service [ Configuration:API: Spotify
    API Action: Get playlist tracks
    Market: US
    User Id: kenny.vl
    Playlist Id: 6ySC5wO49Af5zIRFkjBMVe Timeout (Seconds):120 ]
        A7: Write File [ File:Download/spoturi.txt Text:%trackIDs Append:Off Add Newline:On ]
        A8: For [ Variable:%tracksInList Items:%trackIDs ]
        A9: If [ %tracksInList ~ %currentTrack ]
        A10: Variable Set [ Name:%alreadyInList To:true Recurse Variables:Off Do Maths:Off Append:Off ]
        A11: End If
        A12: End For
        A13: If [ %alreadyInList neq true ]
        A14: AutoWeb Web Service [ Configuration:API: Spotify
    API Action: Add Tracks to a Playlist
    Market: US
    User Id: kenny.vl
    Playlist Id: 6ySC5wO49Af5zIRFkjBMVe
    Position: 0 Timeout (Seconds):120 ]
        A15: Flash [ Text:%astrackname was added to your playlist Long:On ]
        A16: Else
        A17: Flash [ Text:%astrackname is already in your playlist Long:On ]
        A18: End If
        A19: Variable Clear [ Name:%alreadyInList Pattern Matching:Off Local Variables Only:Off ]
   

In order to get around the API limit, I need to find a way to dynamically update the offset used in A6 and store all values to an array (I had considered using a text file but I assumed this will affect performance).
So, based on comments from my Reddit topic, I've found that I could probably use ceil(%total/100) as input for the iterations. Thing is, I'm not sure on how to implement this. My first idea was to create an array, set a variable that calculates ceil(%total/100), create a for-loop to run the result number of times of that variable and push the object (track_id()) to the array.

Code (Text):

      A7: Array Set [ Variable Array:%trackIDs Values:%track_id() Splitter:, ]
        A8: Variable Set [ Name:%iterationsNumber To:ceil(%total/100) Recurse Variables:Off Do Maths:On Append:Off ]
        A9: For [ Variable:%iterations Items:%iterationsNumber ]
        A10: Array Push [ Variable Array:%trackIDs Position:1 Value:%track_id() Fill Spaces:Off ]
        A11: End For
 

When I test this, writing my array to a text file, all I got was %trackIDs (=name of array variable) rather then the expected result (which would be a list of 100 track ID's).
On top of that, I also don't see how I can change the offset to increase by 100 in each iteration.
I'm stuck and hoping to bank on common knowledge to implement my requirement.

 

I'm working on it and I believe I'm pretty close.
Although I believe my task may be optimised, I'm assuming to have it finished today or tomorrow.