Vue build feature

How to build a Vue 3 feature that does not fit in one component: a page and the components, composables, data access and route behind it, and how they wire together across files. It is library-neutral. For how each individual .vue file is built use vue-component-anatomy; for picking UI components (if the project uses Flux) use flux-ui; project-specific rules (state library, permissions, i18n location) live in the repo's CLAUDE.md / AGENTS.md.

1. Core principle: views orchestrate, components present