Status: IN
Decorator's structural identity with degenerate Composite (single-child composition with compatible interfaces) provides a structural foundation for part of the wrapping taxonomy's coherence: since Decorator is literally a restriction of the recursive Composite structure, the wrapping spectrum (Proxy→Decorator→Strategy) rests partly on recursive composition rather than being an entirely independent concept. Meanwhile, LSP's behavioral contract framework validates this taxonomy even across the GoF's structural-behavioral classification boundary, suggesting that the spectrum's coherence draws on both structural grounding and orthogonal behavioral correctness guarantees.
Decorator-Composite structural unity reveals wrapping as specialized recursive composition
Depends on (SL): decorator-structurally-identical-to-degenerate-composite, wrapping-validated-across-classification-boundary