Astro.js

# Astro v6 Architecture Rules (Strict Mode)

## 1. Core Philosophy

- Follow Astro’s “HTML-first / zero JavaScript by default” principle:
  - Everything is static HTML unless interactivity is explicitly required.
  - JavaScript is a cost → only add when it creates real user value.

- Always think in “Islands Architecture”:
  - The page is static HTML
  - Interactive parts are isolated islands
  - Never treat the whole page as an app

- Before writing any JavaScript, always ask:
  "Can this be so...