Blog Archive

When Everything Is Priority One

I gave a talk at Agila Sverige this week about what happens when you don’t prioritize. Or more precisely, when everything is marked as priority one.

Attention Residue: The Cost of Context Switching

When we switch context between tasks, part of our attention remains with the previous task - “attention residue” - which impairs performance on the new task.

eijii - a session manager for AI coding agents

I run a lot of AI coding agents at once. pi, claude, sometimes both on the same codebase from different angles. They pile up. You lose track of which one...

Fixing Synology btrfs Replication with a Linux Kernel ioctl

I run a Synology NAS (skattkistan) and a NixOS home server (skattkammaren). The plan was simple: use btrfs send | btrfs receive to replicate 128 daily snapshots from the Synology...

Using AI to Rework Commits and Split Large Pull Requests

I recently discovered a useful pattern while exploring a new feature. I had been creating commits along the way, but because I pivoted a lot during the exploration, the Git...

How to Write Secure, Predictable Coding Rules Files for AI Assistants

How to Write Secure, Predictable Coding Rules Files for AI Assistants

Design Principles

Following is my design system principles as part of my AI coding Prompt. Feel free to add suggestions of improvement.

Ai Coding Prompt

layout: post title: “How I Structure AI Instructions for My Codebase” date: 2025-06-09 tags: [Developer] —