//! Authentication module (enabled with "auth" feature) #[cfg(feature = "auth")] pub mod auth_impl { //! Implementation placeholder - real implementations will provide auth services /// Placeholder auth service pub struct AuthService; impl AuthService { pub fn new() -> Self { Self } } } #[cfg(not(feature = "auth"))] pub mod auth_impl { //! No-op implementation when auth feature is disabled /// Disabled auth service pub struct AuthService; impl AuthService { pub fn new() -> Self { Self } } } pub use auth_impl::*;