//! Cross-cutting middleware for the HTTP layer:
//! - `request_id_layer` — emits an `x-typesafe-request-id` header on
//! every response (UUIDv4, generated server-side; the SDK reads this).
//! - `auth_layer` — optional `Authorization: Bearer *** gate.
//! - `rate_limit_layer` — fixed-window client-IP rate limiter.
pub use ;
pub use RateLimitContext;
pub use ;
pub use ;