docs: rename pass — update crate refs from alknet-* to alkcall

Update doc comments referencing the old alknet-* crate names and
spec paths to reflect the alkcall home. ALPN strings (alknet/call,
alknet/test) are wire-stable and unchanged. Sibling crate refs
(alknet-http, alknet-core historical context) kept as-is — those are
accurate references to crates that still exist or will be reworked
later.

Also fixes the pre-existing broken intra-doc link [`CallAdapter`] in
dispatch.rs (now [`super::adapter::CallAdapter`]) — the only doc
warning carried over from the extraction.

Verification:
- cargo test: 343 passed (0 failed)
- cargo clippy --all-targets -- -D warnings: clean
- cargo fmt --check: clean
- cargo doc --no-deps: clean (0 warnings, was 1)

src/protocol/dispatch.rs

@@ -1,15 +1,14 @@
 //! Shared dispatch loop for `alknet/call` connections.
 //!
-//! Both [`CallAdapter`]'s accept path and [`crate::client::CallClient`]'s
-//! connect path produce a [`CallConnection`] and hand it to the same dispatch
-//! loop here (ADR-017 §1): the loop reads `EventEnvelope` frames off accepted
-//! bidirectional streams, dispatches `call.requested` events against the
-//! operation registry, and writes the response back on the same stream. The
-//! connection-establishment half differs (accept vs dial); the dispatch half
-//! is shared.
+//! Both [`super::adapter::CallAdapter`]'s accept path and
+//! [`crate::client::CallClient`]'s connect path produce a [`CallConnection`]
+//! and hand it to the same dispatch loop here (ADR-017 §1): the loop reads
+//! `EventEnvelope` frames off accepted bidirectional streams, dispatches
+//! `call.requested` events against the operation registry, and writes the
+//! response back on the same stream. The connection-establishment half
+//! differs (accept vs dial); the dispatch half is shared.
 //!
-//! See `docs/architecture/crates/call/call-protocol.md` and
-//! `docs/architecture/crates/call/client-and-adapters.md` for the spec.
+//! See `docs/architecture/` for the spec.
 
 use std::collections::HashMap;
 use std::sync::Arc;