Route

A classifier picks the route. Classify before reasoning about how to do the work: reason first and the verdict bends toward whatever you already started planning.

Route at the top only

Situation	What happens
A fresh unit of engineering work arrives	Route it
You are already running inside a subagent	Do the work you were handed
The turn builds on work already in this window	Continue here: a subagent starts without that context
The user named an agent or a skill	Use the one they named
The turn is a question, a chat, or a one-liner	Answer it

Step 1: Classify

Call the Skill tool with "classify", passing the user's request verbatim as the text and these two dimensions in one call: