coder-rust-tokio

<skill_overview> Build reliable async services on the Tokio runtime Starting or configuring the Tokio runtime Spawning concurrent tasks Applying timeouts and cancellation Using async channels and synchronization Mixing blocking and async work Tokio GitHub Tokio Docs </skill_overview> Use #[tokio::main] only in binaries Avoid creating multiple runtimes in one process Pick multi_thread for servers, current_thread for CLI