Health check
**What:** Health/liveness probe. Returns a fixed JSON ok flag and service name.
**Auth:** None.
**Params:** None.
Note: this is the only route NOT under `/api`, so its 404 shape is `{ "error": "Not found" }` (no `ok` field).
Authentication
AuthorizationBearer
Bearer authentication of the form Bearer <token>, where token is your auth token.
Response
OK
ok
service
Errors
404
Not Found Error

