Ismael Celis's wroclove.rb 2026 talk (renamed from 'Event Sourcing and the Actor Model in Ruby') demonstrating two experimental Ruby libraries he is building — Cidurial (a Falcon/Datastar-based reactive web toolkit) and Sourced (an event-sourcing library with deciders, projectors and reactors). He frames domain modeling around commands/events/state instead of entity graphs, eliminates the controller-vs-background-job split, and shows how event sourcing gives durable execution, message correlation, time travel, autonomous services and real-time multiplayer UIs for free.
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