all: address clippy lints

src/cli/idle.rs

@@ -9,9 +9,10 @@ use {
     std::{cell::Cell, rc::Rc},
 };
 
-#[derive(Subcommand, Debug)]
+#[derive(Subcommand, Debug, Default)]
 pub enum IdleCmd {
     /// Print the idle status.
+    #[default]
     Status,
     /// Set the idle interval.
     Set(IdleSetArgs),
@@ -19,12 +20,6 @@ pub enum IdleCmd {
     SetGracePeriod(IdleSetGracePeriodArgs),
 }
 
-impl Default for IdleCmd {
-    fn default() -> Self {
-        Self::Status
-    }
-}
-
 #[derive(Args, Debug)]
 pub struct IdleSetArgs {
     /// The interval of inactivity after which to disable the screens.