style: rustfmt the nodes-dashboard additions

Mechanical formatting fix from cargo fmt --all -- --check that I
missed locally before pushing. No semantic change.

Author: ArgenisDLR

crates/zeroclaw-gateway/src/lib.rs

@@ -1415,8 +1415,8 @@ async fn handle_pair(
                         .map(String::from)
                 };
                 let device_name = read_header("X-Device-Name");
-                let device_type = read_header("X-Device-Type")
-                    .or_else(|| infer_device_type_from_ua(user_agent));
+                let device_type =
+                    read_header("X-Device-Type").or_else(|| infer_device_type_from_ua(user_agent));
                 let (ua_os_name, ua_os_version) = infer_os_from_ua(user_agent);
                 registry.register(
                     token_hash,

crates/zeroclaw-gateway/src/nodes.rs

@@ -152,10 +152,7 @@ impl NodeRegistry {
 /// Distinct from `/api/devices` (paired clients of *this* daemon). A node is
 /// a separate process — typically another ZeroClaw daemon, or a peripheral
 /// device that opted in to advertise tools.
-pub async fn list_nodes(
-    State(state): State<AppState>,
-    headers: HeaderMap,
-) -> impl IntoResponse {
+pub async fn list_nodes(State(state): State<AppState>, headers: HeaderMap) -> impl IntoResponse {
     if let Err(e) = super::api::require_auth(&state, &headers) {
         return e.into_response();
     }