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Engineering notes

Notes from production.

What we learn building agentic systems, voice agents, retrieval, and automation for real workloads — written up so you can steal it.

The latency budget of a production voice AI agent

A millisecond-by-millisecond breakdown of where response time goes in an AI phone agent — and the engineering that claws it back.

Why naive RAG fails in production (and what to build instead)

The tutorial pipeline works on clean text and collapses on real documents. Where it breaks, and the stack that doesn't.

Designing guardrails for autonomous AI agents

Autonomy without guardrails is a liability. The engineering patterns that let an agent act on your systems without keeping you up at night.