Found while demonstrating the install through Discover: until the switch and
both components read Running there is no reasonix tool, and the model falls
back to running reasonix -p in its own shell, which only looks like a
delegation.
The index pins the commit that last changed the package; scripts/dsh-market-index.mjs
pins it and validates it with DSH's own validator. docs/DSH.md explains Discover
and the Studio release runbook gains a precondition that keeps the pin current.
A configuration-only package (no code) in integrations/dsh-plugin, installed
from this repository's subdirectory with pnpm's path: selector, plus the
integration guide docs/DSH.md.