doc: links and tweaks

src/gen_server.rs

@@ -1,6 +1,6 @@
 //! gen_server — synchronous call / asynchronous cast over a single actor.
 //!
-//! A thin request-reply layer on top of [`channel`](crate::channel), modelled
+//! A thin request-reply layer on top of [`channel`](crate::channel()), modelled
 //! on Erlang's `gen_server`. A *server* is an actor owning a state value that
 //! implements [`GenServer`]; clients hold a clonable [`ServerRef`] and issue
 //! [`call`](ServerRef::call) (synchronous, returns a reply) or
@@ -14,7 +14,7 @@
 //! one-shot reply channel; the server sends the reply straight back down it.
 //!
 //! Out-of-band messages ride *separate* channels composed at the wait via
-//! [`select`](crate::channel::select): info channels handed over at start
+//! [`select`](channel::select): info channels handed over at start
 //! ([`ServerBuilder::with_info`]) are dispatched to
 //! [`handle_info`](GenServer::handle_info). Arm priority is
 //! **infos before inbox**, in declaration order — a hot inbox cannot starve

src/registry.rs

@@ -410,7 +410,7 @@ pub fn whereis(name: &str) -> Option<Pid> {
 
 /// Resolve `name` to a *typed* [`Pid<A>`] — the identity-bound counterpart of
 /// [`whereis`] (RFC 014 §4.4). Recovers the compile-checked
-/// [`send_to`](crate::send_to) path from a durable name: looks the name up,
+/// [`send_to`] path from a durable name: looks the name up,
 /// then re-types the erased pid as `Pid<A>` via the unchecked
 /// [`assert_type`](crate::pid::assert_type) primitive. A wrong `A` is not
 /// unsound — it degrades to [`SendError::NoChannel`] on the next send (routing

src/trace.rs

@@ -11,7 +11,7 @@
 //!   cargo test --test runtime <test_name> --features smarm-trace
 //!
 //! Output: smarm_trace.json in cwd, or $SMARM_TRACE_FILE.
-//! View:   https://ui.perfetto.dev  or  chrome://tracing
+//! View:   <https://ui.perfetto.dev>  or  chrome://tracing
 
 #[cfg(feature = "smarm-trace")]
 #[macro_export]