//! Multi-factor authentication provider
//!//! This module will be implemented in Phase 5.6
usecrate::{AuthError, AuthResult};/// MFA authentication provider (placeholder)
////// This will be implemented in Phase 5.6: Multi-Factor Authentication (MFA) Support
pubstructMfaProvider{// Implementation will be added in Phase 5.6
_placeholder:(),
}implMfaProvider{/// Create a new MFA provider
pubfnnew()->AuthResult<Self>{// TODO: Implement in Phase 5.6
Err(AuthError::generic_error("MFA provider not yet implemented - will be completed in Phase 5.6"))}}