# Astro Development Guidelines

> Objective: Define standards for building fast, content-focused websites and full-stack applications with Astro's Islands Architecture, covering project structure, content collections, performance optimization, SSR, and testing.

::: tip Source File
View the full rule: [`.agent/rules/astro.md`](https://github.com/snowdreamtech/template/blob/main/.agent/rules/astro.md)
:::

## Sections

- 1. Core Philosophy & Islands Architecture
- 1. File Structure & Routing
- 1. Content Collections
- 1. Performance & Optimization
- 1. SSR, Build & Testing
