Exploring realtime options to build big-two

• https://developers.cloudflare.com/durable-objects/

• https://supabase.com/docs/guides/realtime

• https://docs.convex.dev/realtime

• https://www.mongodb.com/developer/products/mongodb/real-time-data-javascript/

• https://pocketbase.io/docs/api-realtime/

Leaning towards convex due to familiarity, but pocketbase for simplicity and portabability looks very compelling.