What it means
a job addressed to a station role that has no live binding (unbound, or stale after the device moved).
How to handle it
Bind a live device to meta.role on meta.station_id, then retry the station-addressed job.
Wire contract
| Code | role_unbound |
|---|---|
| Class | conflict |
| HTTP status | 409 |
| Meta keys | station_id, role |
| Raised | Yes |
The response uses the standard {"error": {…}} envelope. Branch on error.code, not the human-readable message. Preserve request_id when reporting a failure.