Engineering
A sign-out must not lose a session
Signing out used to wipe this device's data, including writes that hadn't reached the server yet. Now they're parked under your account and put back when you sign in again.
2 min
Engineering
Implementation notes: the code, the stack, and how it's built.
7 posts.
EngineeringMerging two accounts by asking Postgres what points at them
Moving everything one account owns into another, without a hand-kept list of tables that is out of date the day a table is added.
2 min
EngineeringRemoving two translations, properly
PaceStreak had German and Spanish catalogues. They're gone now. Removing a language isn't deleting two files: it's the picker, the stored preference, the tests and every place that assumed more than one.
1 min
EngineeringTests that truncate every table
The API's test suite empties the database it points at, including the dev admin account. How we keep it pointed at the right one.
1 min
EngineeringOne worker, one lock: reminders that never nag twice
How PaceStreak's background worker notices streaks that ended in silence, times reminders to each person's evening, sends a weekly recap, and stays safe to run twice.
3 min
EngineeringLogging a workout in a basement with no signal
How the PaceStreak app saves every session to the device first, queues writes in an IndexedDB outbox, and syncs across devices with an idempotent batch endpoint and a sequence cursor.
4 min
Engineeringnpm ci caught what npm install let through
A peer-dependency conflict that passed locally on npm 11 and failed in CI on npm 10, and why every check now starts with npm ci.
1 min