Function validation_failed

atomic-cli/src/commands/intent/mod.rs:239–243

A validation-failure error: the canonical gate reported a non-conforming node. Kept as a `Parser`-free helper so `main.rs`'s `err.exit_code()` fires with a distinct, user-fixable exit code (2, a usage/authoring error) rather than the internal-bug code.

(message: impl Into<String>)

/// with a distinct, user-fixable exit code (2, a usage/authoring error) rather
/// than the internal-bug code.
pub(crate) fn validation_failed(message: impl Into<String>) -> crate::error::CliError {
    crate::error::CliError::InvalidArgument {
        message: message.into(),
    }
}