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/content_server.rs

@@ -42,7 +42,6 @@ pub enum Availability {
     Specific { peers: Vec<String> },
 }
 
-
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
 #[derive(Default)]
@@ -50,10 +49,11 @@ pub enum AccessControl {
     #[default]
     Free,
     PeersOnly,
-    Paid { price_sats: u64 },
+    Paid {
+        price_sats: u64,
+    },
 }
 
-
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct ContentCatalog {
     pub items: Vec<ContentItem>,