Preferences

Consumer bearer token required, scoped to own record.

`GET /users/{id}/preferences`

200 OK

{ "userId": "...", "language": "en", "notifications": {} }

string

e.g. "fr". Affects only client-rendered copy — every registry field returned elsewhere in this API always stays in its original (English) form.

object

Merged with existing values, not replaced wholesale.

200 OK

{ "userId": "...", "language": "fr", "notifications": { "sms": true, "email": false } }