fix(ci): Resolve clippy warnings for CI pipeline

- Add Default impl for AnimatorState (new_without_default)
- Fix needless late initialization in tray.rs
- Collapse else-if in setup_aura.rs
- Fix mut_range_bound in anime-led-scan example

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

asusctl/examples/anime-led-scan.rs

@@ -348,7 +348,8 @@ fn main() {
             "a" => {
                 println!("Auto-scan mode (0 to {})...", scan_len - 1);
                 let delay = std::time::Duration::from_millis(10);
-                for idx in current_index..scan_len {
+                let start_index = current_index;
+                for idx in start_index..scan_len {
                     write_single_led(&proxy, anime_type, idx, brightness);
                     print!("\rIndex: {} / {}   ", idx, scan_len - 1);
                     io::stdout().flush().unwrap();

asusd/src/aura_laptop/animator.rs

@@ -27,6 +27,12 @@ pub struct AnimatorState {
     pub running: Arc<AtomicBool>,
 }
 
+impl Default for AnimatorState {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl AnimatorState {
     pub fn new() -> Self {
         Self {

rog-control-center/src/tray.rs

@@ -167,16 +167,15 @@ pub fn init_tray(
         };
 
         // TODO: return an error to the UI
-        let tray;
-        match tray_init.disable_dbus_name(true).spawn().await {
-            Ok(t) => tray = t,
+        let tray = match tray_init.disable_dbus_name(true).spawn().await {
+            Ok(t) => t,
             Err(e) => {
                 log::error!(
                     "Tray unable to be initialised: {e:?}. Do you have a system tray enabled?"
                 );
                 return;
             }
-        }
+        };
 
         info!("Tray started");
         ICONS.get_or_init(|| Icons {

rog-control-center/src/ui/setup_aura.rs

@@ -216,10 +216,8 @@ pub fn setup_aura_page(ui: &MainWindow, _states: Arc<Mutex<Config>>) {
                                         if let Err(e) = aura_inner.stop_animation().await {
                                             error!("Failed to stop animation: {e}");
                                         }
-                                    } else {
-                                        if let Err(e) = aura_inner.start_animation(json).await {
-                                            error!("Failed to start animation: {e}");
-                                        }
+                                    } else if let Err(e) = aura_inner.start_animation(json).await {
+                                        error!("Failed to start animation: {e}");
                                     }
                                 });
                             });