Field notes / The archive

Developer notes

A small set of practical guides for developers and small teams building, shipping, and fixing web software.

A friendly AI bot gives a thumbs-up beside a laptop displaying loke.dev.

August 24, 202611 min readUpdated August 24, 2026

How I made loke.dev easier for AI agents to use

A practical look at the routes, APIs, DNS, and checks I added so AI agents can find and use loke.dev without guessing.

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AI engineering Platform and cloud

A person stands between another person and a glowing AI bot as an unnecessary middle step.

August 22, 20269 min readUpdated August 24, 2026

Don't be a meat proxy

AI can help you investigate, draft, and review. The useful part starts when you turn its output into a short, checked answer you can stand behind.

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AI engineering

Several request lanes merge into a shorter route before a page renders.

August 7, 20263 min readUpdated August 24, 2026

Fix Slow Next.js Server Actions and Data Fetching

Find why a Next.js App Router page or Server Action feels slow, then fix waterfalls, duplicate queries, uncached fetches, and slow post-action refreshes.

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Web frameworks Performance

Two browser render frames align around a small mismatched block.

August 7, 20263 min readUpdated August 24, 2026

Fix Next.js Hydration Errors in Production Without Guessing

A practical way to find the first server and browser difference behind a Next.js hydration error, with fixes for dates, browser APIs, HTML nesting, and extensions.

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Web frameworks Performance

A bundle of file modules crosses a glowing bridge into a standalone deployment package.

August 6, 20265 min readUpdated August 24, 2026

Fix Next.js 16.3 standalone output failing on Vercel

A hands-on fix for the Next.js 16.3 ENOENT trace-file error on Vercel, with checks for Docker and self-hosted standalone builds.

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Web frameworks Platform and cloud

Two compiler towers share a glowing lint rail as type shapes pass through both.

August 2, 20265 min readUpdated August 24, 2026

Run TypeScript 7 Without Breaking typescript-eslint

Fix TypeScript 7 ESLint peer conflicts and Cjs crashes by running TypeScript 7 beside the TypeScript 6 compatibility API, with a verified npm setup.

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TypeScript and validation Package management and CI

A package rests under a glass security lens while a clean override path leaves the inspected module.

August 1, 20265 min readUpdated August 24, 2026

Next.js npm Audit Flags sharp: Test the Override on Vercel

Triage the sharp advisory in Next.js 16.2, apply a package-manager override carefully, and test the real image path before deploying on Vercel.

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Web frameworks Package management and CI

A dark worker module is repaired as a glowing type block snaps into a missing connection.

July 30, 20264 min readUpdated August 24, 2026

Fix Missing Cloudflare Workers Types After the v5 Upgrade

Fix missing dated Cloudflare Workers type entrypoints after v5, migrate app types to wrangler types, and keep generated declarations current in CI.

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Platform and cloud TypeScript and validation

A version dial receives cables from a laptop, container, and cloud server.

July 28, 20265 min readUpdated August 24, 2026

Node 20 Is EOL: Find Every Runtime Pin Before a Failed Deploy

Node 20 is EOL. Audit package metadata, CI, Docker, and host settings, choose a supported target, then verify every runtime pin before a deploy fails.

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Package management and CI Platform and cloud

Two browser panels balance on a comparison rail while a blue beam checks a highlighted difference.

July 25, 20264 min readUpdated August 24, 2026

Compare Preview and Production Before You Merge

Catch preview deployment drift in status codes, redirects, headers, cookie attributes, canonical URLs, and robots metadata before production.

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Package management and CI Platform and cloud