diff --git a/socktop/src/app.rs b/socktop/src/app.rs
index 20cbb2e..b470279 100644
--- a/socktop/src/app.rs
+++ b/socktop/src/app.rs
@@ -26,8 +26,8 @@ use crate::ui::cpu::{
     per_core_handle_key, per_core_handle_mouse, per_core_handle_scrollbar_mouse, PerCoreScrollDrag,
 };
 use crate::ui::{
-    disks::draw_disks, header::draw_header, mem::draw_mem, net::draw_net_spark,
-    processes::draw_top_processes, swap::draw_swap, gpu::draw_gpu,
+    disks::draw_disks, gpu::draw_gpu, header::draw_header, mem::draw_mem, net::draw_net_spark,
+    processes::draw_top_processes, swap::draw_swap,
 };
 use crate::ws::{connect, request_metrics};
 
@@ -106,7 +106,10 @@ impl App {
             while event::poll(Duration::from_millis(10))? {
                 match event::read()? {
                     Event::Key(k) => {
-                        if matches!(k.code, KeyCode::Char('q') | KeyCode::Char('Q') | KeyCode::Esc) {
+                        if matches!(
+                            k.code,
+                            KeyCode::Char('q') | KeyCode::Char('Q') | KeyCode::Esc
+                        ) {
                             self.should_quit = true;
                         }
                         // Per-core scroll via keys (Up/Down/PageUp/PageDown/Home/End)
@@ -135,7 +138,11 @@ impl App {
                             .as_ref()
                             .map(|mm| mm.cpu_per_core.len())
                             .unwrap_or(0);
-                        per_core_clamp(&mut self.per_core_scroll, total_rows, content.height as usize);
+                            per_core_clamp(
+                            &mut self.per_core_scroll,
+                            total_rows,
+                            content.height as usize,
+                        );
                     }
                     Event::Mouse(m) => {
                         // Layout to get areas
@@ -305,9 +312,9 @@ impl App {
         let left_stack = ratatui::layout::Layout::default()
             .direction(Direction::Vertical)
             .constraints([
-                Constraint::Min(7),     // Disks grow
-                Constraint::Length(3),  // Download
-                Constraint::Length(3),  // Upload
+                Constraint::Min(7),    // Disks grow
+                Constraint::Length(3), // Download
+                Constraint::Length(3), // Upload
             ])
             .split(bottom_lr[0]);
 
diff --git a/socktop/src/types.rs b/socktop/src/types.rs
index 4e94f13..021fba6 100644
--- a/socktop/src/types.rs
+++ b/socktop/src/types.rs
@@ -30,7 +30,6 @@ pub struct GpuMetrics {
     pub utilization_gpu_pct: u32,
     pub mem_used_bytes: u64,
     pub mem_total_bytes: u64,
-  //  pub vendor: Option<String>,
 }
 
 #[derive(Debug, Deserialize, Clone)]
diff --git a/socktop/src/ui/cpu.rs b/socktop/src/ui/cpu.rs
index d52fa75..1733b28 100644
--- a/socktop/src/ui/cpu.rs
+++ b/socktop/src/ui/cpu.rs
@@ -1,5 +1,6 @@
 //! CPU average sparkline + per-core mini bars.
 
+use crossterm::event::{KeyCode, KeyEvent, MouseButton, MouseEvent, MouseEventKind};
 use ratatui::style::Modifier;
 use ratatui::{
     layout::{Constraint, Direction, Layout, Rect},
@@ -7,15 +8,14 @@ use ratatui::{
     text::{Line, Span},
     widgets::{Block, Borders, Paragraph, Sparkline},
 };
-use crossterm::event::{KeyCode, KeyEvent, MouseButton, MouseEvent, MouseEventKind}; // + MouseButton
 
 use crate::history::PerCoreHistory;
 use crate::types::Metrics;
 
 /// Subtle grey theme for the custom scrollbar
-const SB_ARROW: Color = Color::Rgb(170,170,180);
-const SB_TRACK: Color = Color::Rgb(170,170,180);
-const SB_THUMB: Color = Color::Rgb(170,170,180);
+const SB_ARROW: Color = Color::Rgb(170, 170, 180);
+const SB_TRACK: Color = Color::Rgb(170, 170, 180);
+const SB_THUMB: Color = Color::Rgb(170, 170, 180);
 
 /// State for dragging the scrollbar thumb
 #[derive(Clone, Copy, Debug, Default)]
@@ -100,7 +100,7 @@ pub fn per_core_handle_scrollbar_mouse(
     drag: &mut Option<PerCoreScrollDrag>,
     mouse: MouseEvent,
     per_core_area: Rect,
-    total_rows: usize
+    total_rows: usize,
 ) {
     // Geometry
     let inner = Rect {
@@ -188,7 +188,8 @@ pub fn per_core_handle_scrollbar_mouse(
                 if d.active {
                     let dy = (mouse.row as i32) - (d.start_y as i32);
                     let new_top = (d.start_top as i32 + dy)
-                        .clamp(0, (track.saturating_sub(thumb_len)) as i32) as usize;
+                        .clamp(0, (track.saturating_sub(thumb_len)) as i32) 
+                        as usize;
                     // Inverse mapping top -> offset
                     if track > thumb_len {
                         let denom = track - thumb_len;
@@ -322,11 +323,11 @@ pub fn draw_per_core_bars(
 
         let trend = if curr > older + 0.2 {
              "↑"
-         } else if curr + 0.2 < older {
-             "↓"
-         } else {
-             "╌"
-        };
+        } else if curr + 0.2 < older {
+            "↓"
+        } else {
+            "╌"
+         };
 
         let fg = match curr {
             x if x < 25.0 => Color::Green,
@@ -347,8 +348,7 @@ pub fn draw_per_core_bars(
         let spark = Sparkline::default()
             .data(&hist)
             .max(100)
-            .style(Style::default()
-            .fg(fg));
+            .style(Style::default().fg(fg));
 
         f.render_widget(spark, hchunks[0]);
 
diff --git a/socktop/src/ui/gpu.rs b/socktop/src/ui/gpu.rs
index 72b4f10..7722aee 100644
--- a/socktop/src/ui/gpu.rs
+++ b/socktop/src/ui/gpu.rs
@@ -97,8 +97,8 @@ pub fn draw_gpu(f: &mut ratatui::Frame<'_>, area: Rect, m: Option<&Metrics>) {
             .ratio(util as f64 / 100.0);
         f.render_widget(util_gauge, util_cols[0]);
         f.render_widget(
-        Paragraph::new(Span::raw(format!("util: {util}%")))
-                    .style(Style::default().fg(Color::Gray)),
+            Paragraph::new(Span::raw(format!("util: {util}%")))
+                .style(Style::default().fg(Color::Gray)),
             util_cols[1],
         );
 
diff --git a/socktop/src/ui/net.rs b/socktop/src/ui/net.rs
index 5e4e6ab..1e6665a 100644
--- a/socktop/src/ui/net.rs
+++ b/socktop/src/ui/net.rs
@@ -3,7 +3,7 @@
 use ratatui::{
     layout::Rect,
     style::{Color, Style},
-    widgets::{Block, Borders, Sparkline}
+    widgets::{Block, Borders, Sparkline},
 };
 use std::collections::VecDeque;
 
@@ -12,7 +12,7 @@ pub fn draw_net_spark(
     area: Rect,
     title: &str,
     hist: &VecDeque<u64>,
-    color: Color
+    color: Color,
 ) {
     let max_points = area.width.saturating_sub(2) as usize;
     let start = hist.len().saturating_sub(max_points);
diff --git a/socktop_agent/src/main.rs b/socktop_agent/src/main.rs
index 059b378..0c704a6 100644
--- a/socktop_agent/src/main.rs
+++ b/socktop_agent/src/main.rs
@@ -1,16 +1,16 @@
 //! socktop agent entrypoint: sets up sysinfo handles, launches a sampler,
 //! and serves a WebSocket endpoint at /ws.
 
+mod gpu;
 mod metrics;
 mod sampler;
 mod state;
 mod types;
 mod ws;
-mod gpu;
 
 use axum::{routing::get, Router};
-use std::{ net::SocketAddr, sync::atomic::AtomicUsize, sync::Arc, time::Duration,
-};
+use std::{net::SocketAddr, sync::atomic::AtomicUsize, sync::Arc, time::Duration};
+
 use sysinfo::{
     Components, CpuRefreshKind, Disks, MemoryRefreshKind, Networks, ProcessRefreshKind,
     RefreshKind, System,
diff --git a/socktop_agent/src/metrics.rs b/socktop_agent/src/metrics.rs
index f6f84e6..df6ac30 100644
--- a/socktop_agent/src/metrics.rs
+++ b/socktop_agent/src/metrics.rs
@@ -41,7 +41,11 @@ pub async fn collect_metrics(state: &AppState) -> Metrics {
         components.refresh(true);
         components.iter().find_map(|c| {
             let l = c.label().to_ascii_lowercase();
-            if l.contains("cpu") || l.contains("package") || l.contains("tctl") || l.contains("tdie") {
+            if l.contains("cpu")
+                || l.contains("package")
+                || l.contains("tctl")
+                || l.contains("tdie")
+            {
                 c.temperature()
             } else {
                 None
diff --git a/socktop_agent/src/state.rs b/socktop_agent/src/state.rs
index 6ba7348..453fc69 100644
--- a/socktop_agent/src/state.rs
+++ b/socktop_agent/src/state.rs
@@ -45,7 +45,9 @@ impl AppState {
             last_json: Arc::new(RwLock::new(String::new())),
             client_count: Arc::new(AtomicUsize::new(0)),
             wake_sampler: Arc::new(Notify::new()),
-            auth_token: std::env::var("SOCKTOP_TOKEN").ok().filter(|s| !s.is_empty()),
+            auth_token: std::env::var("SOCKTOP_TOKEN")
+                .ok()
+                .filter(|s| !s.is_empty()),
         }
     }
 }