IDEAS, DECISIONS & LESSONS
Notes on AI, architecture and building useful products.
8 articles
· 5 min read
agents
Sonnet 5.5 ships at the same $/token price as Sonnet 5 but does the same work in fewer steps. If your cost dashboard only tracks tokens, you'll never see the win — or the next regression.
Read more· 7 min read
agents
Copilot's local agent sandboxing hits public preview alongside an OpenTelemetry integration for tracing agent activity. What the sandbox boundary actually covers, what a useful agent-action span looks like, and why OTel is a start, not an answer.
Read more· 4 min read
ai
AWS shipped CloudWatch Omni on September 23 — OpenTelemetry-based, natural-language queries, and eval-driven tracing for LangGraph, CrewAI, and Strands out of the box. Here's what it actually replaces and where it still falls short.
Read more· 4 min read
agents
On September 17, OpenAI disclosed six concerning-behavior incidents and a framework for tracking model misalignment — including a system that samples 20% of production traffic. I broke down what the sampling pattern looks like and how to build a smaller version for your own agents.
Read more· 4 min read
english-lesson
Daily English practice for tech professionals. Morning session covering observability and distributed tracing vocabulary with pronunciation guide, exercises, and real-world examples.
Read more· 7 min read
agents
As AI agents replace human workflows, your observability stack must evolve. A practical guide to tracing LLM calls, multi-agent chains, and tool use with OpenTelemetry — from a Tech Lead who's been there.
Read more· 6 min read
ai
Part 10 of 12 — How AI transforms the DevOps/Platform Engineer role: AI-assisted pipeline generation, incident diagnosis, capacity planning, GitOps automation, and the operational judgment that keeps systems running and teams unblocked.
Read more· 7 min read
aws
Part 9 of 10 — Build comprehensive observability: custom CloudWatch metrics and dashboards, X-Ray distributed tracing across Lambda and Fargate, structured logging with Lambda Powertools, alerting strategies, cost dashboards, and anomaly detection.
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