ResonateBriefs

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#durable-entity

2 posts

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4 min readResonate HQJust published

Durable entity as a long-running workflow in TypeScript on Resonate

How a user session lifecycle is expressed as a single generator function when each step is a Resonate durable checkpoint and the idle timer survives crashes.

Model a user session as a long-running generator: login, per-activity checkpoints, durable idle timeout, and cleanup. Crashes resume mid-lifecycle without re-recording earlier activities or restarting the timer.

typescriptdurable-entitydurable-sleepstate-machinefor-agents
Resonate brand card on a dark background with a teal spectrum wave at the bottom and the post headline in white Sansation.
5 min readResonate HQJust published

Durable order-lifecycle state machine in TypeScript on Resonate

How a six-state order workflow collapses to straight-line generator code when each ctx.run call is a durable checkpoint.

An order moves through created, confirmed, shipped, delivered (or cancelled, refunded), and must resume cleanly mid-transition after a crash. With Resonate the generator's execution position IS the state — each transition is a ctx.run checkpoint, no K/V store required.

typescriptstate-machinedurable-entityfor-agents