Make Changes to the DB through a Realtime extension

Realtime is a very good tool at our disposal in Supabase. But there are a lot of Features that seems logical and maybe very easy and helpful. The first one that come to my mind, from a real world use case, is that I need to use the exciting Websockets connection to realtime to send data to the DB in low memory IoT Application that can only afford to maintain a single secure TCP connection. I managed to connect to realtime and subscribe to changes but I can't send data back to the DB even with broadcast. I'd like the ability to make changes to the tables just like PostgREST CRUD operations from within Realtime (Realtime Extension). maybe you can also extend it to run SQL commands directly but that is not what I am seeking here, there are A lot of security considerations to take for this step. Realtime currently apply RLS, I am assuming that it would be easy to use these rules for the CRUD operations as well. The Protocol however need to be though through. I imag…