Posts
Notes to self
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celld: Durable Objects, Unbundled
Updated: at 11:00 AMcelld, a new open-source project from Deno, reimplements Cloudflare's Durable Objects model on infrastructure you own — and it's a good lens for asking what should actually own an AI agent's state.
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Why Agents Make Good Actors
Published: at 11:00 AMAI agents are stateful, long-running, and mostly idle. That's not a quirk — it's a specification. The actor model was built for exactly this shape of work.
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An introduction to reinforcement learning
Updated: at 11:00 AMThe orientation for working engineers before the rest of the series goes into algorithm internals. What RL is, the vocabulary, the Bellman idea, when to reach for it, and a map of the five posts.
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Designing environments for RL
Updated: at 11:00 AMMost RL writing is about algorithms. In practice, environment design — the state, action, and reward decisions that sit between your system and the algorithm — is where projects succeed or fail. This is the part that almost never gets covered.