.arcconfig

phase: simplify the check for issue3781 shortcut in discovery

We'll rework the code around this check. Limiting the entanglement will help
with later changesets

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}