NOTES FROM THE DESK
Written the way
we build.
Engineering notes, not content marketing — what actually happened on real builds, and the decisions we'd make again.
ENGINEERING
Escrow is a state machine, not a feature
Custody code goes wrong when money can move in ways nobody wrote down. The fix is boring and absolute: make the state machine the only path money can take.
6 MIN READOPS · TAKEOVER
Rescuing a production LMS without stopping the classes
ACADEMUN arrived mid-crisis: failing servers, a hand-tuned FFmpeg pipeline, live students. The takeover playbook that made it boring again — without a maintenance window.
7 MIN READAI / ML
RAG that reaches production, not just the demo
Every RAG demo works. Most RAG systems don't. The difference is retrieval evaluation, boring data plumbing, and treating the model as the least interesting component.
6 MIN READ