mobile_feature_disabled
The requested mobile feature is not enabled for this workspace's staged rollout. The browser portal remains the safe fallback.
Problem shape
Every non-2xx response is an RFC 9457 application/problem+json body. The type URI below is stable and machine-matchable, so branch on the final path segment (the code) and treat the status as redundant confirmation. See the error-handling guide.
{
"type": "https://docs.vocapable.com/errors/mobile_feature_disabled",
"title": "…",
"status": 403,
"detail": "…",
"instance": "/v1/…"
}