Notes on systems, data, and building things that expose their own reasoning.
Why I wrote a full spec pack before building an autonomous European equities research system with an AI agent, and why the docs were useful precisely because they were allowed to change.
A European equity research pipeline built around audit trails, backtests, refusal points, and a dashboard that exposes what the agents did instead of hiding it.
How I built and refined an interactive app to measure French purchasing power in minutes of work - from minimum wage to median salary, from a magazine article to a full economic tool, with AI as both copilot and auditor.
After stripping GitHub down to SSH and a bare repository, the product becomes clearer: GitHub sells the collaboration system around Git.
Git gives us branches, diffs, patches, and merges. A pull request is the collaboration object GitHub built around them.