What actually happens in the four milliseconds before your LLM call
"Adds a few milliseconds of overhead" is the kind of line that shows up in every proxy's marketing copy, ours included. It's true, but it undersells what's actually happening in that window. Six things happen, in a specific order, and the order is load-bearing — get it wrong and you either leak data you meant to redact, or you pay for cache infrastructure you can't actually use.