svelte5-structural

Svelte 5 + SvelteKit development with structural composition patterns. Use when building dashboards, widget systems, or component libraries where structural consistency matters. Emphasizes base components with behavior composition (strategies), OOP for state machines, and Svelte 5 runes. Triggers on Svelte/SvelteKit work requesting widgets, dashboards, reusable component systems, or when user prefers OOP patterns over pure functional composition.