Vue 3

📌 Planned placeholder page: this page is reserved for "Composition API, reactivity internals and ecosystem selection", and the content will be filled in progressively along with learning.

Planned Content

• [ ] Reactivity system internals (ref / reactive / effect)
• [ ] Composition API mental model and best practices
• [ ] Pinia state management, Vue Router route design
• [ ] VueUse composable functions in practice

Next Steps

• [ ] Complete this page item by item against the planning checklist in the Domain Overview
• [ ] Add runnable examples and pitfall records for each entry
• [ ] Change the status from "Planned" to "Collected" when done

For writing guidelines, please refer to the Domain Overview.