modularity-patterns

SKILL.md

Apply these patterns when designing or refactoring code for modularity, extensibility, and decoupling.

| Hard-coded dependencies | DI, IoC, Service Locator, SAM | | Need runtime extensions | Plugin, Microkernel, Extension Points | | Swappable algorithms | Strategy, Abstract Factory | | Additive behavior | Decorator, Chain of Responsibility, SAM | | Feature coupling | Package by Feature | | Scattered concerns | AOP, Interceptors, Mixins, SAM |

| Temporal coupling | Observer, Event Bus, Event Sourcing, SAM | | Read/write optimization | CQRS | | Deployment flexibility | Feature Toggles, Microservices |

Recommends modularity, composition, and decoupling patterns for design challenges. Use when designing plugin architectures, reducing coupling, improving testability, or separating cross-cutting concerns. Source: jdubray/puffin.

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