You Don't Need Temporal Yet: Durable Execution for AI Agents in 150 Lines

This story was originally published on HackerNoon at: https://hackernoon.com/you-dont-need-temporal-yet-durable-execution-for-ai-agents-in-150-lines. My agent died at lead 1,244 of an overnight run, then re-billed every finished LLM call. Durable execution for AI agents in 150 lines of TypeScript. Check more stories related to machine-learning at: https://hackernoon.com/c/machine-learning. You can also check exclusive content about #ai, #ai-agents, #agentic-ai, #durable-execution, #typescript, #workflow-engines, #langgraph, #event-log, and more. This story was written by: @nossaiyamu. Learn more about this writer by checking @nossaiyamu's about page, and for more stories, please visit hackernoon.com. A crashed overnight run re-billed $19 of finished LLM calls and double-sent outreach emails. This is durable execution for AI agents built from scratch: a 150-line event log and step wrapper in TypeScript, the failure modes that survive it, and the point where a workflow engine earns its keep.