{
"$schema": "http://json-schema.org/draft-07/schema#",
"title": "Models",
"description": "Top-level shape of the harness-root `models.yaml` (ARCH §4.2).",
"type": "object",
"properties": {
"adapter": {
"description": "Optional provider-adapter binary override (§4.2, §4.4). Default (`None`) resolves `bz` on `PATH`. Any binary honoring the same pipe contract slots in verbatim; the load-time version guard is skipped under an override and the in-band `MessageStart.v` handshake governs instead (§4.4).",
"type": [
"string",
"null"
]
}
}
}