Stream Flutter - skill router + execution flow

Rules: Read RULES.md once per session - every non-negotiable rule is stated there, nowhere else.

This file is the single entrypoint: intent classification, local project detection, and module pointers for Stream work in Flutter apps.

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

Before any tool call, decide the track from the user's input alone - no probes first.

Signals -> track