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If LLMs are stateless, how does an AI agent remember what happened 30 steps ago?

Trace an old fact from durable storage into the next model call. Separate conversation history, checkpoints, summaries, and verified tool outcomes.

Updated Oct 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

Trace an old fact from durable storage into the next model call. Separate conversation history, checkpoints, summaries, and verified tool outcomes.

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