House-move inventory: Why a spreadsheet wasn't enough - Part 1
~7 min read
We're moving from the UK to France, and the removals company, the French customs form and my own sanity all want the same thing: a list of what is in every box. Not a rough list. Which box is the kettle in? Did every box that left the house actually arrive? What's the declared value of the kitchen? Which boxes are we not taking after all?
The obvious tool is a spreadsheet, and I started with one. This post is about why I stopped, what I built instead, and the few decisions in the f
House-move inventory: A core that knows nothing about HTTP - Part 2
~8 min read
Post 1 described rooms, boxes and items. This post is about where the rules about them live, because that decision has paid for itself more often than any other in the project.
The rule is one sentence in CLAUDE.md: inventory domain logic lives only in inventory.core. The API and the CLIs are thin translation layers - no rules, no validation logic, no aggregation. If a behaviour matters (quantity must be at least 1, a box that isn't going can have a reason, clones copy their source
