Module error 

Typed error hierarchy (ApiError, ConfigError, DownloadError, RommError). Typed error hierarchy for the romm-cli library.

Domain enums use thiserror; the binary boundary converts [RommError] to user-facing messages and exit codes via [user_message] and [exit_code].

Enums

ApiError

HTTP and API-layer failures from crate::client::RommClient.

ConfigError

Configuration, token file, and keyring failures.

DownloadError

Download, path resolution, and transfer failures.

RommError

Composed public error type for library consumers.

TuiErrorHint

Hint for TUI error toast behavior.

Functions

exit_code

Process exit code (Gap 3 partial).

tui_hint

TUI behavior hint for an error.

user_message

Actionable user-facing message (short, no full error chain).