I Added Human-in-the-Loop to an Async Queue System -Here's How LangGraph Checkpointing Made It Possible

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I Added Human-in-the-Loop to an Async Queue System — Here's How LangGraph Checkpointing Made It Possible Most HITL tutorials show you how to pause a graph and wait for input in the same process. That's the easy version. The hard version is when your graph runs inside a queue worker, the gateway tha…

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1. 2026-09-16 03:04 · DEV Community — AI
   I Added Human-in-the-Loop to an Async Queue System -Here's How LangGraph Checkpointing Made It Possible