I didn’t exactly do your usecase, but I’ve worked a lot with the SDK instance, with realtime and classic image uploads - before it even was a thing in the WeWeb’s plugin.
I’ll link you some resources that I can find on the forum
I usually do these kind of things as a part of my coaching sessions, where we either crack it on the meeting, or I provide specific and aimed guidance regarding issues, as we have more time to discuss this in depth. You might want to book a session, just to try it out, usually people tell me they get quite deeper understanding of the topics we discuss, especially Supabase.
This one is your problem-specific:
Other references to using Supabase SDK’s instance: