fix(rustproxy): Use cooperative cancellation for background tasks, prune stale caches and metric entries, and switch tests to dynamic port allocation to avoid port conflicts

rust/crates/rustproxy-passthrough/src/lib.rs

@@ -8,7 +8,6 @@ pub mod sni_parser;
 pub mod forwarder;
 pub mod proxy_protocol;
 pub mod tls_handler;
-pub mod connection_record;
 pub mod connection_tracker;
 pub mod socket_relay;
 pub mod socket_opts;
@@ -18,7 +17,6 @@ pub use sni_parser::*;
 pub use forwarder::*;
 pub use proxy_protocol::*;
 pub use tls_handler::*;
-pub use connection_record::*;
 pub use connection_tracker::*;
 pub use socket_relay::*;
 pub use socket_opts::*;