Pattern catalog

Reference page. The canonical list of 34 patterns lives in the framework source — this page is being authored to mirror it.

The 34 PatternName literals are defined at:

• squeaky_clean/domain/value_objects/pattern_name.py

Categories:

• Creational (5) — AbstractFactory, Builder, FactoryMethod, Singleton, Prototype.
• Structural (7) — Adapter, Bridge, Composite, Decorator, Facade, Flyweight, Proxy.
• Behavioral (11) — ChainOfResponsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, TemplateMethod, Visitor.
• DDD / Clean (11) — Entity, ValueObject, Aggregate, DomainEvent, Specification, Repository, Gateway, Presenter, UseCase, DTOMapper, SimpleClass.

Each pattern has a corresponding ICP spec at squeaky_clean/interface/agent_specs/icps/<lang>/<category>/<Pattern>ICP.md.

See also

• Squib grammar — how patterns are expressed in <ClassName> -> <PatternName> form.
• Tier C catalog — when an Infrastructure-layer Repository / Gateway / Adapter routes to a Tier C agent.