//! gRPC command implementations.
//!
//! Each submodule wraps one of the arborter service surfaces and exposes
//! plain Rust functions that callers (CLI, REPL, admin tools) can invoke
//! without dealing with tonic clients or protobuf types directly.
/// Stack configuration: chain / token / market metadata fetches.
/// Trading flows: balance, deposit, withdraw, send/cancel order, streams.
/// Admin flows: chain / token / market / contract management.
/// EIP-712 / Ed25519 admin authentication and JWT issuance.