code: Expect clippy lints, and remove where unapplicable

cli/src/main.rs

@@ -1,4 +1,4 @@
-#![allow(clippy::too_many_arguments)]
+#![expect(clippy::too_many_arguments)]
 mod completer;
 mod util;
 

src/core.rs

@@ -106,7 +106,6 @@ pub struct WormholeWelcome {
  * Maybe a better way to handle application level protocols is to create a trait for them and then
  * to paramterize over them.
  */
-
 /// A `MailboxConnection` contains a `RendezvousServer` which is connected to the mailbox
 pub struct MailboxConnection<V: serde::Serialize + Send + Sync + 'static> {
     /// A copy of `AppConfig`,

src/core/server_messages.rs

@@ -17,7 +17,7 @@ impl Nameplate_ {
         Ok(value.into_iter().map(|value| Nameplate(value.id)).collect())
     }
 
-    #[allow(clippy::all, dead_code)]
+    #[expect(clippy::all, dead_code)]
     fn serialize<S>(value: &Vec<Nameplate>, ser: S) -> Result<S::Ok, S::Error>
     where
         S: serde::Serializer,

src/forwarding.rs

@@ -409,7 +409,7 @@ impl ForwardingServe {
                     }
                 };
             }
-            #[allow(clippy::while_let_loop)]
+            #[expect(clippy::while_let_loop)]
             loop {
                 let read = break_on_err!(connection_rd.read(&mut buffer).await);
                 if read == 0 {
@@ -739,7 +739,7 @@ impl ConnectOffer {
     }
 }
 
-#[allow(clippy::type_complexity)]
+#[expect(clippy::type_complexity)]
 struct ForwardConnect {
     //transit: &'a mut transit::Transit,
     /* when can I finally store an `impl Trait` in a struct? */
@@ -856,7 +856,7 @@ impl ForwardConnect {
                     }
                 };
             }
-            #[allow(clippy::while_let_loop)]
+            #[expect(clippy::while_let_loop)]
             loop {
                 let read = break_on_err!(connection_rd.read(&mut buffer).await);
                 if read == 0 {

src/lib.rs

@@ -20,8 +20,7 @@
 //! might make use of it as well.
 
 #![deny(unsafe_code)]
-#![allow(clippy::upper_case_acronyms)]
-#![allow(clippy::too_many_arguments)]
+#![expect(clippy::too_many_arguments)]
 #![allow(unused_macros)]
 #![warn(missing_docs)]
 

src/transit.rs

@@ -1440,6 +1440,7 @@ impl Transit {
 
     /** Convert the transit connection to a [`Stream`]/[`Sink`] pair */
     #[cfg(not(target_family = "wasm"))]
+    #[expect(clippy::type_complexity)]
     pub fn split(
         self,
     ) -> (