Why it matters

Temporal is modern durable workflow. Understanding shapes design.

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The architecture

Workflow: deterministic Java class.

Activities: non-deterministic (LLM calls).

Signals + queries.

Temporal architectureWorkflow codedeterministic JavaActivitiesLLM + tool callsTemporal serverdurable stateJava SDK first-class; used by many AI companies for agent orchestration
Temporal.
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How it works end to end

Deterministic workflow methods.

Activities: retried automatically.

Signals: async input to workflows.

Long-running: weeks or months.