chore: apply rustfmt import ordering and whitespace cleanup

Reorder imports in websocket.rs to match rustfmt's default sorting
(Connector before tungstenite). Reformat load_averages array assignment
in controller.rs for line length compliance. Remove trailing blank line
in store/refresh.rs.

Author: hyperb1iss

crates/unifly-api/src/websocket.rs

@@ -37,8 +37,8 @@ use rustls::ClientConfig;
 use rustls_pki_types::CertificateDer;
 use serde::{Deserialize, Serialize};
 use tokio::sync::broadcast;
-use tokio_tungstenite::tungstenite::{self, ClientRequestBuilder};
 use tokio_tungstenite::Connector;
+use tokio_tungstenite::tungstenite::{self, ClientRequestBuilder};
 use tokio_util::sync::CancellationToken;
 use url::Url;
 

crates/unifly-core/src/controller.rs

@@ -1563,8 +1563,8 @@ fn apply_device_sync(store: &DataStore, data: &serde_json::Value) {
         (Some(used), Some(total)) if total > 0 => Some((used as f64 / total as f64) * 100.0),
         _ => None,
     };
-    let load_averages: [Option<f64>; 3] = ["loadavg_1", "loadavg_5", "loadavg_15"]
-        .map(|key| parse_f64_field(sys, key));
+    let load_averages: [Option<f64>; 3] =
+        ["loadavg_1", "loadavg_5", "loadavg_15"].map(|key| parse_f64_field(sys, key));
 
     // Uplink bandwidth: check "uplink" object or top-level fields
     let uplink = data.get("uplink");

crates/unifly-core/src/store/refresh.rs

@@ -209,5 +209,4 @@ impl DataStore {
 
         let _ = self.last_full_refresh.send(Some(Utc::now()));
     }
-
 }