//! Module: CLI diagnostic command arguments.
//! Responsibility: define compact diagnostic-code lookup clap surfaces.
//! Does not own: diagnostic registry rendering or canister error transport.
//! Boundary: exposes parsed diagnostic-code input to the command dispatcher.
use Args;
///
/// DiagnosticArgs
///
/// DiagnosticArgs owns host-side lookup of compact IcyDB error codes. The code
/// is intentionally a string so users can paste either `E7` or `7`.
///
pub