#content-collections

Design a high-performance blog using Astro 4 Content Collections. Structure: 1. Type-safe frontmatter with Zod schemas. 2. MDX support with custom components. 3. Tag-based filtering and pagination. 4. Reading time estimation. 5. Related posts recommendation. 6. RSS feed generation. 7. Table of contents from headings. 8. Code syntax highlighting with Shiki. 9. View transitions between pages. Use island architecture for interactive components like search and comments.