Dexterlabs — Notes https://www.dexterlabs.nl/notes/ Build logs, post-mortems, and longer writing from the lab. en Vibin, a Multi-Agent Workflow That Actually Holds Together https://www.dexterlabs.nl/notes/008-vibin-workflow/ https://www.dexterlabs.nl/notes/008-vibin-workflow/ Thu, 21 May 2026 00:00:00 GMT LLMs are good at individual tasks. Getting them to do multi-step projects coherently is a different problem. Here's the pipeline I built. AI Engineering Testing SvelteKit zod4-mock: Deterministic Mock Data for Zod v4 https://www.dexterlabs.nl/notes/007-zod4-mock/ https://www.dexterlabs.nl/notes/007-zod4-mock/ Tue, 12 May 2026 00:00:00 GMT A zero-config, schema-driven mock library that generates byte-identical data from a seed, with built-in relational identity across multiple API schemas. TypeScript Testing Zod Open Source Shipping the Site https://www.dexterlabs.nl/notes/006-site-design/ https://www.dexterlabs.nl/notes/006-site-design/ Fri, 01 May 2026 00:00:00 GMT Turning a messy functional prototype into a stable place to document the work and sell hardware. Design Engineering SvelteKit Lists v2 - Offline-First Architecture https://www.dexterlabs.nl/notes/005-offline-first-lists/ https://www.dexterlabs.nl/notes/005-offline-first-lists/ Sat, 25 Apr 2026 00:00:00 GMT Rebuilding the lists app with full offline support, seamless sharing, and passwordless authentication. SvelteKit Supabase Offline-First Real-time Building Distrans AR-1 with AI (0xFEFE) https://www.dexterlabs.nl/notes/004-distrans-0xfefe-talk/ https://www.dexterlabs.nl/notes/004-distrans-0xfefe-talk/ Fri, 17 Apr 2026 00:00:00 GMT A talk at 0xFEFE about using AI to design hardware - what actually worked, what exploded, and why structure beat cleverness. Hardware Distrans AR-1 AI Talk Conduit PDX-1 - Quiet USB-C Power for Eurorack https://www.dexterlabs.nl/notes/003-conduit-pdx1/ https://www.dexterlabs.nl/notes/003-conduit-pdx1/ Thu, 30 Oct 2025 00:00:00 GMT Building a USB-C powered Eurorack supply that doesn't sound like a swarm of bees - and iterating toward something actually shippable. Hardware Eurorack USB-C Power Supply PCB Members, SSO, and Sub-requests https://www.dexterlabs.nl/notes/002-wolbodo-members/ https://www.dexterlabs.nl/notes/002-wolbodo-members/ Tue, 20 Jun 2023 00:00:00 GMT How to manage a society's membership and access control without becoming a full-time sysadmin - using Nginx sub-requests. SvelteKit Hasura GraphQL Houdini SSO Nginx Syncing Shopping Lists https://www.dexterlabs.nl/notes/001-syncing-shopping-lists/ https://www.dexterlabs.nl/notes/001-syncing-shopping-lists/ Wed, 01 Mar 2023 00:00:00 GMT A real-time shared grocery list using Server-Sent Events - no polling, no WebSockets, no list left behind. SvelteKit SSE Real-time Security