fix: apply cargo fmt to resolve CI formatting failures

Format all enrollment module source files and tests per rustfmt standards.
Resolves Gitea CI workflow cargo fmt check failures.

src/main.rs

@@ -23,8 +23,8 @@ use tracing::{error, info, warn};
 
 use linux_patch_api::api::{configure_api_routes, configure_health_route};
 use linux_patch_api::auth::{mtls, MtlsMiddleware, WhitelistManager};
-use linux_patch_api::packages::create_backend;
 use linux_patch_api::enroll;
+use linux_patch_api::packages::create_backend;
 use linux_patch_api::{init_logging, AppConfig, JobManager};
 
 /// Linux Patch API CLI arguments
@@ -42,7 +42,10 @@ struct Args {
     verbose: bool,
 
     /// Enroll with manager at URL (skips mTLS startup, runs enrollment flow only)
-    #[arg(long, help = "Enroll with manager at URL (skips mTLS startup, runs enrollment flow only)")]
+    #[arg(
+        long,
+        help = "Enroll with manager at URL (skips mTLS startup, runs enrollment flow only)"
+    )]
     enroll: Option<String>,
 }
 
@@ -78,7 +81,10 @@ async fn main() -> Result<()> {
 
     // Handle enrollment mode - runs before server startup
     if let Some(ref manager_url) = args.enroll {
-        info!(manager_url = manager_url, "Enrollment mode activated - running enrollment flow before server startup");
+        info!(
+            manager_url = manager_url,
+            "Enrollment mode activated - running enrollment flow before server startup"
+        );
         match enroll::run_enrollment(manager_url, &config).await {
             Ok(()) => {
                 info!("Enrollment complete - proceeding to server startup");