Function build_router_with_multi_tenant 

pub async fn build_router_with_multi_tenant(
    spec_path: Option<String>,
    options: Option<ValidationOptions>,
    failure_config: Option<FailureConfig>,
    multi_tenant_config: Option<MultiTenantConfig>,
    _route_configs: Option<Vec<RouteConfig>>,
    cors_config: Option<HttpCorsConfig>,
    ai_generator: Option<Arc<dyn AiGenerator + Send + Sync>>,
    smtp_registry: Option<Arc<dyn Any + Send + Sync>>,
    mockai: Option<Arc<RwLock<MockAI>>>,
    deceptive_deploy_config: Option<DeceptiveDeployConfig>,
) -> Router

Build the base HTTP router with multi-tenant workspace support