Module federation 

APR Federation - Smart Model Routing & Catalog

Enterprise-grade model federation for distributed inference.

Architecture

                    ┌─────────────────┐
                    │   Gateway       │
                    │  (Router)       │
                    └────────┬────────┘
                             │
        ┌────────────────────┼────────────────────┐
        ▼                    ▼                    ▼
  ┌──────────┐        ┌──────────┐        ┌──────────┐
  │ Region A │        │ Region B │        │ Region C │
  └──────────┘        └──────────┘        └──────────┘

Design Principles

1. Capability-based routing - Route by what models can do, not where they are
2. Policy-driven - Latency, cost, privacy, compliance as first-class citizens
3. Zero-copy where possible - Streaming responses without buffering
4. Graceful degradation - Circuit breakers, fallbacks, retries

Re-exports

pub use catalog::ModelCatalog;

pub use catalog::ModelEntry;

pub use gateway::FederationGateway;

pub use gateway::GatewayBuilder;

pub use gateway::GatewayConfig;

pub use health::CircuitBreaker;

pub use health::HealthChecker;

pub use health::HealthConfig;

pub use health::HealthStatus;

pub use policy::CompositePolicy;

pub use policy::RoutingPolicy;

pub use policy::SelectionCriteria;

pub use routing::RouteDecision;

pub use routing::Router;

pub use routing::RouterBuilder;

pub use routing::RouterConfig;

pub use tui::render_federation_dashboard;

pub use tui::FederationApp;

pub use tui::FederationTab;

pub use traits::*;

Modules

catalog

Model Catalog - Registry of available models across the federation

gateway

Federation Gateway - Main entry point for distributed inference

health

Health Checker - Monitors node health across the federation

policy

Routing policies for federation

routing

Router - Intelligent node selection for inference requests

traits

Core trait definitions for APR Federation

tui

Federation Gateway TUI Dashboard