diff --git a/crates/colibri-client/tests/live_socket_check.rs b/crates/colibri-client/tests/live_socket_check.rs
index e1305bb..7de45fe 100644
--- a/crates/colibri-client/tests/live_socket_check.rs
+++ b/crates/colibri-client/tests/live_socket_check.rs
@@ -437,9 +437,8 @@ async fn register_tenant_and_list_over_socket() {
 async fn spawn_agent_with_usage_captures_task_cost() {
     let mut config = check_config();
     let sample_agent = env!("CARGO_BIN_EXE_colibri-test-agent");
-    std::env::set_var("COLIBRI_AGENT_BINARY", &sample_agent);
-    config.data_dir =
-        std::env::temp_dir().join(format!("colibri-cost-test-{}", Uuid::new_v4()));
+    std::env::set_var("COLIBRI_AGENT_BINARY", sample_agent);
+    config.data_dir = std::env::temp_dir().join(format!("colibri-cost-test-{}", Uuid::new_v4()));
     tokio::fs::create_dir_all(&config.data_dir).await.unwrap();
 
     let state: SharedState = Arc::new(DaemonState::new(config.clone()));
@@ -485,7 +484,7 @@ async fn spawn_agent_with_usage_captures_task_cost() {
         })
         .await
         .expect("spawn should succeed");
-    let agent_id = spawn_resp["agent_id"].as_str().unwrap().to_string();
+    let _agent_id = spawn_resp["agent_id"].as_str().unwrap().to_string();
 
     // Wait for agent to reach Done
     let deadline = Instant::now() + Duration::from_secs(20);
@@ -494,10 +493,7 @@ async fn spawn_agent_with_usage_captures_task_cost() {
         if snap.panes.iter().any(|p| p.state == AgentState::Done) {
             break;
         }
-        assert!(
-            Instant::now() < deadline,
-            "agent did not reach Done"
-        );
+        assert!(Instant::now() < deadline, "agent did not reach Done");
         tokio::time::sleep(Duration::from_millis(200)).await;
     }
 
@@ -509,7 +505,10 @@ async fn spawn_agent_with_usage_captures_task_cost() {
     // Verify cost was stored on the task
     let task = {
         let store = state.store.lock().unwrap();
-        store.get_task(&task_id).unwrap().expect("task should exist")
+        store
+            .get_task(&task_id)
+            .unwrap()
+            .expect("task should exist")
     };
 
     // The test agent emits: input=150, output=80, cache_read=200, cache_write=50, cost_usd=0.0042