chore(fmt): rustfmt drift cleanup across misc crates

Pure formatter output — no semantic changes. Sweeping these into their
own commit so the FIPS integration diff that follows stays scoped to
the actual feature.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

core/archipelago/src/auth.rs

@@ -22,7 +22,6 @@ pub enum UserRole {
     AppUser,
 }
 
-
 impl UserRole {
     /// Check if this role allows a given RPC method.
     pub fn can_access(&self, method: &str) -> bool {