style: fix rustfmt formatting for CI

src/enroll/identity.rs

@@ -53,11 +53,15 @@ pub fn get_fqdn() -> Result<String> {
     // 2. Try combining short hostname + domain from `hostname -d`
     if let Ok(short_output) = Command::new("hostname").output() {
         if short_output.status.success() {
-            let short = String::from_utf8_lossy(&short_output.stdout).trim().to_string();
+            let short = String::from_utf8_lossy(&short_output.stdout)
+                .trim()
+                .to_string();
             if !short.is_empty() && short != "(none)" {
                 if let Ok(domain_output) = Command::new("hostname").arg("-d").output() {
                     if domain_output.status.success() {
-                        let domain = String::from_utf8_lossy(&domain_output.stdout).trim().to_string();
+                        let domain = String::from_utf8_lossy(&domain_output.stdout)
+                            .trim()
+                            .to_string();
                         if !domain.is_empty() {
                             let fqdn = format!("{}.{}", short, domain);
                             tracing::debug!(fqdn = %fqdn, "Resolved FQDN via hostname + hostname -d");

src/enroll/mod.rs

@@ -16,8 +16,8 @@ pub use client::{
 };
 /// Re-export identity extraction functions.
 pub use identity::{
-    get_fqdn, get_hostname, get_ip_addresses, get_ip_for_interface, get_machine_id,
-    get_os_details, get_primary_ip, get_route_source_ip, is_container_bridge, is_link_local,
+    get_fqdn, get_hostname, get_ip_addresses, get_ip_for_interface, get_machine_id, get_os_details,
+    get_primary_ip, get_route_source_ip, is_container_bridge, is_link_local,
 };
 
 /// Run the full enrollment flow against the manager at the given URL.

tests/integration/enrollment_test.rs

@@ -477,7 +477,10 @@ async fn test_registration_payload_structure() {
     // Verify hostname field (optional, may be present or absent)
     // When present, it should be a non-empty string without dots (short hostname)
     if let Some(hostname) = payload.get("hostname").and_then(|v| v.as_str()) {
-        assert!(!hostname.is_empty(), "hostname should not be empty when present");
+        assert!(
+            !hostname.is_empty(),
+            "hostname should not be empty when present"
+        );
         assert!(
             !hostname.contains('.'),
             "hostname should be short form (no dots), got: {}",

tests/unit/enroll_identity.rs

@@ -203,8 +203,8 @@ fn test_enrollment_hostname_field_serializes() {
         os_details: serde_json::json!({"name": "Test"}),
         hostname: Some("host".to_string()),
     };
-    let json_with = serde_json::to_string(&request_with_hostname)
-        .expect("Should serialize with hostname");
+    let json_with =
+        serde_json::to_string(&request_with_hostname).expect("Should serialize with hostname");
     assert!(
         json_with.contains("\"hostname\""),
         "hostname field should be present in JSON when Some"