00 / Journal

Field notes.
From the studio.

Essays on the work we actually do — AI product development, codebase audits, design engineering, and the operating model behind a small senior team. Written by the people who ship.

Engineering July 7, 2026 · 7 min read

Demystifying WebSocket Authentication: Why the “Ticket” Pattern Is the Gold Standard

The browser's WebSocket API won't let you send an auth header. Three patterns emerged to work around it — first-message, subprotocol hack, and the ticket exchange. Here's why Slack, Discord, and AWS all reach for the ticket.

AI June 12, 2026 · 3 min read

How Google Runs AI Agents in Production — the TLDR

Google's SRE team published a long paper on running AI agents in production. Skim the first few pages. The middle is where the experience is. Here's the part worth keeping.

Engineering June 10, 2026 · 7 min read

Don't Be Lazy — Refactor Your Frontend, It's Easy Now

Frontend carries more debt than backend — for cultural, historical, and structural reasons. AI changes the refactor math, but only with three guardrails: Zod at every boundary, ironclad TypeScript, and tests that ship with the code.

Studio May 12, 2026 · 8 min read

What Is a Software Engineering Studio?

Studios, agencies, and consultancies all build software for hire — but the operating model behind them is different in ways that matter for outcomes.

Engineering May 6, 2026 · 11 min read

When to Refactor vs. Rewrite

A decision framework — five questions that separate codebases worth saving from ones better replaced. With heuristics from eight inherited projects.

Design Engineering April 28, 2026 · 9 min read

What Is Design Engineering?

The last 20% of polish that nobody else will touch. Why design engineers exist, what they do, and how the role fits between product, design, and frontend.