Designing Audit Trails You Can Actually Replay
Why publishing an audit event is only the beginning: transaction boundaries, outbox delivery, stable identifiers, ordering and replay verification.
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Practical engineering notes on distributed systems, reliable AI, and the details that make software work in production.
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2026
How I Would Evaluate a RAG Assistant Before Trusting Its Answers
A practical evaluation framework for retrieval, citations, refusals, document freshness and end-to-end RAG quality, with a small reproducible scoring example.
Read articleIdempotency Is a Workflow, Not Just a Request Header
How to design retry-safe APIs with durable keys, transactional writes, leases, and an outbox—plus the failure cases a unique constraint cannot solve.
Read articleLoad Balancers and Rate Limiters: A Practical Intro
How load balancers distribute traffic and how rate limiters protect your backend from being overwhelmed.
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