I’ll defer you to Deque’s accessible widget library:
https://cauldron.dequelabs.com/
Not raging, just had high expectations for this FSE platform to have baked that degree of accessibility into the modules without leaving it up to us.
And trust me, unless you have years of experience or formal training in accessibility remediation, you do not know what you are doing, judging by your comment about peppering in aria tags at whim.