Tiny model. Big decisions. — How I built a 144M-parameter typed decision model that routes 82% of agent decisions off LLMs Or: why your agent's "should I run this command?" does not need a 70B chat model. Every agentic workflow I build hits the same wall: the interesting logic is 10 lines, and the other 90% is a language model deciding "allow or deny?", "which tool?", "pass or escalate?" — thousands of times a day, at chat-model prices and chat-model latency. So I built the oppo...