feat: user service

2026-04-10 19:05:02 +02:00
parent 710bad712e
commit 23ffcb7535
140 changed files with 33418 additions and 952 deletions
@@ -146,6 +146,9 @@ key registered for the created device session.
 rollout phase, successful confirms forward create-only user registration
 context to `User Service` as `preferred_language="en"` and the supplied
 `time_zone` until gateway geoip-based language derivation is deployed.
+`User Service` now validates `preferred_language` as BCP 47 and canonicalizes
+the stored value on creation, so any future derived language must already be a
+valid BCP 47 tag before auth forwards it.

 Public boundary rules: