Notes on backend systems, distributed infrastructure, and things I'm learning along the way.
Every message in a Claude Code session re-sends the whole conversation, so a long session gets expensive on a curve. Vizzer puts that number in your status bar and hands the work to a fresh session before it gets bad.
GitHub stopped asking which model you want and started routing each task across several. Here is the machinery, and what the benchmarks really say.
I have small hands and a strong opinion. Phones stopped being pocket devices and became bricks with cameras, and it cost us more than a comfy grip.
A Prime Video device restriction that looked like DRM turned out to be a client-trusted policy gate. Here is how I found it, why it is not a Widevine break, and what I sent to Amazon.
How a student who was scared of writing code ended up contributing to open source for the Internet Archive, fuzzing the Lightning Network, and building software for clients around the world.
