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The client, not the app, now drives the transport; events are delivered asynchronously, per ADR 0001. - ChatClient owns Arc<Mutex<Core>> + a worker thread. - The worker select!s over the inbound and shutdown channels; Drop joins it. Outbound runs on the caller's thread. - A single Transport (DeliveryService + inbound()) owns both directions of the boundary, so the client takes one transport rather than a (delivery, inbound) pair. InProcessDelivery::new, CDelivery, and chat-cli's transports implement it. - FFI replaces client_receive with client_push_inbound + client_poll_events. - chat-cli drains Receiver<Event>; inbound and event channels are both crossbeam. - Corrects ADR 0001's inbound sequence to push — the worker parks on select!, it never polls.
message-exchange
An example Rust application built on top of crates/client.
It demonstrates that creating a working chat client in pure Rust is trivial: depend on
crates/client, pick a DeliveryService implementation (here the in-memory
InProcessDelivery shipped with the crate), and wire up ChatClient. No boilerplate, no FFI.
Running
cargo run --example message-exchange
The binary performs a message exchange entirely in-process and prints the exchanged messages to stdout.