chore: cargo fmt with rustfmt 1.9.0 (repo-wide)

CI gates on cargo fmt --all -- --check and it was already failing on main before
this branch: rustfmt 1.9.0 reformats three call chains that an older rustfmt
left alone. Same housekeeping as 586d29e.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

src/api/premium.rs

@@ -268,7 +268,11 @@ pub async fn activate(
 
     // Just activated, so general posting is permitted regardless of policy; still
     // report the allowlist bit truthfully.
-    let npub = state.db.get_user_by_id(user_id).await?.and_then(|u| u.nostr_pubkey);
+    let npub = state
+        .db
+        .get_user_by_id(user_id)
+        .await?
+        .and_then(|u| u.nostr_pubkey);
     let (write_allowlisted, _) = general_posting_rights(&state, npub.as_deref());
     Ok(Json(StatusResp {
         active: true,
@@ -297,7 +301,11 @@ pub async fn status(
     let user_id = extract_user_id_from_token(&state, &headers).await?;
     let until = state.db.get_premium_until(user_id).await?;
     let active = until.map(|u| u > chrono::Utc::now()).unwrap_or(false);
-    let npub = state.db.get_user_by_id(user_id).await?.and_then(|u| u.nostr_pubkey);
+    let npub = state
+        .db
+        .get_user_by_id(user_id)
+        .await?
+        .and_then(|u| u.nostr_pubkey);
     let (write_allowlisted, can_general) = general_posting_rights(&state, npub.as_deref());
     Ok(Json(StatusResp {
         active,

src/core/session.rs

@@ -239,7 +239,11 @@ impl SessionManager {
         Ok(TokenInfo {
             user_id,
             platform: data.claims.platform,
-            session_id: data.claims.sid.as_deref().and_then(|s| Uuid::parse_str(s).ok()),
+            session_id: data
+                .claims
+                .sid
+                .as_deref()
+                .and_then(|s| Uuid::parse_str(s).ok()),
         })
     }
 

src/infra/db/login_events.rs

@@ -186,7 +186,9 @@ impl Database {
         audit_days: u64,
         batch: i64,
     ) -> Result<u64, AppError> {
-        let logins = self.cleanup_old_login_events(login_events_days, batch).await?;
+        let logins = self
+            .cleanup_old_login_events(login_events_days, batch)
+            .await?;
         let audits = self.cleanup_old_audit_logs(audit_days, batch).await?;
         let scrubbed = self.scrub_legacy_login_ip_hashes(batch).await?;
         if scrubbed > 0 {