No worries. FDM is a challenging hobby and this particular failure case is intriguing. Haven’t seen it in this scenario yet. I bet it’d stump people with a lot of experience as well.
As I mentioned, I do not have an A1 myself but you may find this thread helpful regarding the toolhead screws: A1 Mini: Extrusion issue, it appears to be a clog but..no - #15 by lion7718
And @CRracer712 just posted a link that should be helpful for the nozzle clog scenario 