Composable Rust Architecture Expert

Expert knowledge for building event-driven systems using the Composable Rust framework - core architectural patterns, reducer design, effect composition, and the unidirectional data flow model.

When to Use This Skill

Automatically apply when:

• Implementing reducers or state machines
• Designing action types or state transitions
• Working with effects or the effect system
• Creating environment traits for dependency injection
• Building stores or runtime components
• Questions about architecture or design patterns

Core Architecture Fundamentals

The Five Types

Every Composable Rust application is built on these five fundamental types: