Stream React Native - skill router + execution flow

Rules: Read RULES.md once per session. Every non-negotiable React Native Chat, Video, and Feeds rule is stated there.

This file is the single entrypoint: intent classification, product selection, project detection, and module pointers for Stream Chat React Native, Stream Video React Native, and Stream Feeds React Native work.

Step 0: Intent classifier (mandatory first - never skip)

Before any tool call, decide the track from the user's input alone. Do not probe the filesystem first.

Signals -> track