01 — 04
four projects, one thread
the little machine below runs the whole story: collect, endure, retrieve, serve. every card is a real build with public source.
01 · collect
P2Pdevices find each other directly
local discovery for Unity
a Swift bridge that lets a Unity app talk to nearby Apple devices with no server in between.
see the build02 · endure
722fetches that used to fail silently
keeping a crawler alive
polite pacing, challenge detection, and a circuit breaker so one difficult site can't stop the whole queue.
read the failure report03 · retrieve
256hand-built search dimensions
a simpler retrieval gate
shape filters and a small fixed vector narrow results before the model even sees them.
read the retrieval design04 · serve
3.2×faster when answers are cached
shipping a small model
a 1.2B model reached production with a 1,024-token budget and two cache states.
read the serving notes