Blog
One write, two deliveries
The notification service behind SynapStore, built during a hackathon. Redis Streams for history, pub/sub for speed, web push for closed tabs, and what I would change reading it a year later.
4 min read
The bugs behind a cheap model router
Promptimizer routes each LLM request to the cheapest model that can handle it. The hard part was not the routing. It was streaming, stale state and models that quietly ran out of tokens.
5 min read
The ring under the pointer
How Yuzu notices a key tap in the middle of someone else's file drag without asking for Accessibility permission, and what it took to ship one build for Intel and Apple Silicon.
4 min read
Works on my machine is a bug
Three small fixes in Vidya, a learning platform monorepo, that only showed up when the code left my laptop. A phone that could not reach localhost, tests that ran twice, and Swagger forms with no fields.
4 min read