//! Multi-tenant GraphQL support for OxiRS.
//!
//! This module extends the basic `multitenancy` infrastructure with:
//! - Per-tenant GraphQL schema management (`TenantSchemaRegistry`)
//! - Query filtering based on tenant access policies (`TenantQueryFilter`)
//! - Per-tenant rate limiting (`TenantRateLimiter`, `TenantLimits`)
pub use ;
pub use ;
pub use ;